W. Junkermann

Transport and chemical conversion in convective systems. Results of the COPS-TRACKS campaign. (2009)

Atmospheric Chemistry and Physics Discussions, 9(2009) S.11481-11500

Wilms-Grabe, W., Corsmeier, U., Junkermann, W., Holland, F., Geiss, H., Neininger, B., ...

European Geosciences Union (EGU) General Assembly, Wien, A, April 19-24, 2009

On the distribution of formaldehyde in the western Po-Valley, Italy, during FORMAT 2002/2003. (2009)

Land use change suppresses precipitation (2009)

Atmospheric Chemistry and Physics Discussions, 9(2009) S.13999-14022

W. Junkermann, J. Hacker, T. Lyons, U. Nair

A feedback loop between regional scale deforestation and climate change was investigated in an experiment using novel, small size airborne platforms and instrument setups. Experiments were performed...

Measurements of OH and HO2 concentrations during the MCMA-2006 field campaign – Part 2: Model comparison and radical budget (2009)

S. Dusanter, D. Vimal, P. S. Stevens, R. Volkamer, L. T. Molina, A. Baker, ...

Measurements of hydroxyl (OH) and hydroperoxy (HO2) radicals were made during the Mexico City Metropolitan Area (MCMA) field campaign as part of the MILAGRO (Megacity Initiative: Local and Global...

Total observed organic carbon (TOOC) in the atmosphere: a synthesis of North American observations (2008)

Heald, C. L., Goldstein, A. H., Allan, J. D., Aiken, A. C., Apel, E., Atlas, E. L., ...

Measurements of organic carbon compounds in both the gas and particle phases made upwind, over and downwind of North America are synthesized to examine the total observed organic carbon (TOOC) in the...

Influence of clouds on the spectral actinic flux density in the lower troposphere (INSPECTRO): overview of the field campaigns (2008)

Thiel, S., Ammannato, L., Bais, A., Bandy, B., Blumthaler, M., Bohn, B., ...

This version, Atmospheric Chemistry and Physics, 2008, 8,(6),1789-1812 and can be accessed at http://www.atmos-chem-phys.net/8/1789/2008/acp-8-1789-2008.html

The role of VOC oxidation products in continental new particle formation (2008)

Laaksonen, A., Kulmala, M., O'Dowd, C. D., Joutsensaari, J., Vaattovaara, P., Mikkonen, S., ...

Aerosol physical and chemical properties and trace gas concentrations were measured during the QUEST field campaign in March?April 2003, in Hyytiälä, Finland. Our aim was to understand the role of...

Technical Note: Intercomparison of formaldehyde measurements at the atmosphere simulation chamber SAPHIR (2008)

Wisthaler, A., Apel, E. C., Bossmeyer, J., Hansel, A., Junkermann, W., Koppmann, R., ...

The atmosphere simulation chamber SAPHIR at the Research Centre Jülich was used to test the suitability of state-of-the-art analytical instruments for the measurement of gas-phase formaldehyde...

Total observed organic carbon (TOOC) in the atmosphere: a synthesis of North American observations (2008)

Heald, C. L., Goldstein, A. H., Allan, J. D., Aiken, A. C., Apel, E., Atlas, E. L., ...

Measurements of organic carbon compounds in both the gas and particle phases made upwind, over and downwind of North America are synthesized to examine the total observed organic carbon (TOOC) in the...

Influence of clouds on the spectral actinic flux density in the lower troposphere (INSPECTRO): overview of the field campaigns (2008)

Thiel, S., Ammannato, L., Bais, A., Bandy, B., Blumthaler, M., Bohn, B., ...

Ultraviolet radiation is the key factor driving tropospheric photochemistry. It is strongly modulated by clouds and aerosols. A quantitative understanding of the radiation field and its effect on...

The role of VOC oxidation products in continental new particle formation (2008)

Laaksonen, A., Kulmala, M., O'Dowd, C. D., Joutsensaari, J., Vaattovaara, P., Mikkonen, S., ...

Aerosol physical and chemical properties and trace gas concentrations were measured during the QUEST field campaign in March?April 2003, in Hyytiälä, Finland. Our aim was to understand the role of...

Technical Note: Intercomparison of formaldehyde measurements at the atmosphere simulation chamber SAPHIR (2008)

Wisthaler, A., Apel, E. C., Bossmeyer, J., Hansel, A., Junkermann, W., Koppmann, R., ...

The atmosphere simulation chamber SAPHIR at the Research Centre Jülich was used to test the suitability of state-of-the-art analytical instruments for the measurement of gas-phase formaldehyde...

Total observed organic carbon (TOOC) in the atmosphere: a synthesis of North American observations (2008)

Heald, C. L., Goldstein, A. H., Allan, J. D., Aiken, A. C., Apel, E., Atlas, E. L., ...

Measurements of organic carbon compounds in both the gas and particle phases made upwind, over and downwind of North America are synthesized to examine the total observed organic carbon (TOOC) in the...

Influence of clouds on the spectral actinic flux density in the lower troposphere (INSPECTRO): overview of the field campaigns (2008)

Thiel, S., Ammannato, L., Bais, A., Bandy, B., Blumthaler, M., Bohn, B., ...

Ultraviolet radiation is the key factor driving tropospheric photochemistry. It is strongly modulated by clouds and aerosols. A quantitative understanding of the radiation field and its effect on...

Influence of clouds on the spectral actinic flux in the lower troposphere (INSPECTRO): overview of the field campaigns (2008)

Thiel, S., Ammanato, L., Bais, A., Bandy, B., Blumthaler, M., Bohn, B., ...

Ultraviolet radiation is the key factor driving tropospheric photochemistry. It is strongly modulated by clouds and aerosols. A quantitative understanding of the radiation field and its effect on...

The role of VOC oxidation products in continental new particle formation (2008)

Laaksonen, A., Kulmala, M., O'Dowd, C. D., Joutsensaari, J., Vaattovaara, P., Mikkonen, S., ...

Influence of clouds on the spectral actinic flux density in the lower troposphere (INSPECTRO): overview of the field campaigns (2008)

S. Thiel, L. Ammannato, A. Bais, B. Bandy, M. Blumthaler, B. Bohn, ...

Ultraviolet radiation is the key factor driving tropospheric photochemistry. It is strongly modulated by clouds and aerosols. A quantitative understanding of the radiation field and its effect on...

Total observed organic carbon (TOOC) in the atmosphere: a synthesis of North American observations (2008)

C. L. Heald, A. H. Goldstein, J. D. Allan, A. C. Aiken, E. Apel, E. L. Atlas, ...

Measurements of organic carbon compounds in both the gas and particle phases made upwind, over and downwind of North America are synthesized to examine the total observed organic carbon (TOOC) in the...

Technical Note: Intercomparison of formaldehyde measurements at the atmosphere simulation chamber SAPHIR (2008)

A. Wisthaler, E. C. Apel, J. Bossmeyer, A. Hansel, W. Junkermann, R. Koppmann, ...

The atmosphere simulation chamber SAPHIR at the Research Centre Jülich was used to test the suitability of state-of-the-art analytical instruments for the measurement of gas-phase formaldehyde...

The role of VOC oxidation products in continental new particle formation (2008)

A. Laaksonen, M. Kulmala, C. D. O'Dowd, J. Joutsensaari, P. Vaattovaara, S. Mikkonen, ...

Aerosol physical and chemical properties and trace gas concentrations were measured during the QUEST field campaign in March–April 2003, in Hyytiälä, Finland. Our aim was to understand the...

Representativeness and climatology of carbon monoxide and ozone at the global GAW station Mt. Kenya in equatorial Africa (2008)

S. Henne, J. Klausen, W. Junkermann, J. M. Kariuki, J. O. Aseyo, B. Buchmann

The tropics strongly influence the global atmospheric chemistry budget. However, continuous in-situ observations of trace gases are rare especially in equatorial Africa. The WMO Global Atmosphere...

Emission and chemistry of organic carbon in the gas and aerosol phase at a sub-urban site near Mexico City in March 2006 during the MILAGRO study (2008)

D. Welsh-Bon, C. Warneke, W. C. Kuster, L. Alexander, A. K. Baker, ...

Volatile organic compounds (VOCs) and carbonaceous aerosol were measured at a sub-urban site near Mexico City in March of 2006 during the MILAGRO study (Megacity Initiative: Local and Global Research...

Total observed organic carbon (TOOC): a synthesis of North American observations. (2008)

Heald, C.L., Goldstein, A.H., Allan, J.D., Aiken, A.C., Apel, E., Atlas, E.L., ...

Atmospheric Chemistry and Physics, 8(2008) S.2007-25

Fine and ultrafine aerosols in Southwestern Australia, influence of land surface, land use and vegetation on size and number distributions. (2008)

Intercomparison of formaldehyde measurements at the atmosphere simulation chamber SAPHIR. (2008)

European Aerosol Conf., Salzburg, A, September 9-14, 2007

Wisthaler, A., Apel, E.C., Bossmeyer, J., Hansel, A., Junkermann, W., Koppmann, R., ...

Atmospheric Chemistry and Physics, 8(2008) S.2189-2200

PBL aerosols SE of Mexico City in the dry season: biomass burning and windblown dust and its impact on photolysis frequencies. (2008)

Junkermann, W., Grutter, M., Baumgardner, D., Steinbrecher, R.

American Geophysical Union Joint Assembly 2007, Acapulco, MEX, May 22-25, 2007

Oberservations of the valley of Mexico Basin ventilation through the Tenago del Aire-Amecameca geographical gap. (2008)

Ruiz-Suarez, G., Torres-Jaron, R., Steinbrecher, R., Junkermann, W., Torres-Jaramillo, A., Garcia, A.R., ...

American Geophysical Union Joint Assembly 2007, Acapulco, MEX, May 22-25, 2007

Optical remote sensing of the SO2 plume from Popocatepetl volcano (Mexico): 2D visualization and flux estimations. (2008)

Basaldud, R., Grutter, M., Baumgardner, D., Harig, R., Junkermann, W., Rivera-Cardenas, C., ...

American Geophysical Union Joint Assembly 2007, Acapulco, MEX, May 22-25, 2007

Formaldehyde surface distributions and variability in the Mexico City basin. (2008)

Junkermann, W., Mohr, C., Steinbrecher, R., Ruiz Suarez, L.

American Geophysical Union Joint Assembly 2007, Acapulco, MEX, May 22-25, 2007

Influence of clouds on the spectral actinic flux density in the lower troposphere (INSPECTRO). (2008)

Thiel, S., Ammannato, L., Bais, A., Bandy, B., Blumthaler, M., Engelsen, O., ...

UV Conf.Celebrating One Century of UV Radiation Research, Davos, CH, September 18-20, 2007

SO§2 emissions from Popocatepetl volcano: emission rates and plume imaging using optical remote sensing techniques. (2008)

Grutter, M., Basaldud, R., Rivera, C., Harig, R., Junkermann, W., Caetano, E., ...

Atmospheric Chemistry and Physics Discussions, 8(2008) S.8119-41

Airborne measurements of nucleation mode particles II: boreal forest nucleation events. (2008)

O'Dowd, C.D., Yoon, Y.J., Junkermann, W., Aalto, P., Kulmala, M., Lihavainen, H., ...

Atmospheric Chemistry and Physics Discussions, 8(2008) S.2821-48

A photochemical modeling study of ozone and formaldehyde generation and budget in the Po basin. (2008)

Liu, L., Andreani-Aksoyoglu, S., Keller, J., Ordonez, C., Junkermann, W., Hak, C., ...

Journal of Geophysical Research, 112(D22303), doi:10.1029/2006JD008172, 2007

Representativeness and climatology of carbon monoxide and ozone at the global GAW station Mt.Kenya in equatorial Africa. (2008)

Henne, S., Klausen, J., Junkermann, W., Kariuki, J.M., Aseyo, J.O., Buchmann, B.

Atmospheric Chemistry and Physics, 8(2008) S.3119-39

The role of VOC oxidation products in continental new particle formation. (2008)

Laaksonen, A., Kulmala, M., O'Dowd, C.D., Joutsensaari, J., Vaattovaara, P., Mikkonen, S., ...

Atmospheric Chemistry and Physics, 8(2008) S.2657-65

Photochemical modelling in the Po basin with focus on formaldehyd and ozone. (2008)

Liu, L., Flatoy, F., Ordonez, C., Braathen, G.O., Hak, C., Junkermann, W., ...

Atmospheric Chemistry and Physics, 7(2007) S.121-37

Mount Kenya global atmosphere watch station (MKN): installation and meteorological characterization. (2008)

Henne, S., Junkermann, W., Kariuki, J.M., Aseyo, J., Klausen, J.

Journal of Applied Meteorology and Climatology, 47(2008) S.2946-62

Influence of clouds on the spectral actinic flux density in the lower troposphere (INSPECTRO): Overview of the field campaign. (2008)

Thiel, S., Ammannato, L., Bais, A., Bandy, B., Blumthaler, M., Engelsen, O., ...

Atmospheric Chemistry and Physics, 8(2009) S.1789-812

Signatures of evaporation of artificial snow in the Alpine lower troposphere (SEASALT). (2008)

Arabas, S., Paccard, P., Haga, L., Junkermann, W., Kulawik, B., De Jong, C.

European Geosciences Union (EGU) General Assembly, Wien, A, April 13-18, 2008

Aerosols as an important link between large scale land-use modification and subsequent regional climate change: an experimental approach. (2008)

Large scale land-use modification and subsequent regional climate change: experimental evidence from airborne studies. (2008)

European Aerosol Conf., Thessaloniki, GR, August 24-29, 2008

Saharan dust and IR radiation above the Island of Lampedusa. The GAMARF project. (2008)

Bridging the Scales in Atmospheric Chemistry : Local to Global, IGAC 10th Internat.Conf., Annecy, F, September 7-12, 2008

Junkermann, W., Meloni, D., Di'Iorio, T., DiSarra, A.

European Aerosol Conf., Thessaloniki, GR, August 24-29, 2008

Air pollution and convection. The Lagrangian experiment of the TRACKS campaign. (2008)

Wilms-Grabe, W., Corsmeier, U., Junkermann, W., Holland, F., Neininger, B., Kottmeier, Ch.

7th COPS (Convective and Orographically-induced Precipitation Study) Workshop, Strasbourg, F, October 27-29, 2008

Total Observed Organic Carbon (TOOC): A synthesis of North American observations (2007)

Heald, C. L., Goldstein, A. H., Allan, J. D., Aiken, A. C., Apel, E., Atlas, E. L., ...

Measurements of organic carbon compounds in both the gas and particle phases measured upwind, over and downwind of North America are synthesized to examine the total observed organic carbon (TOOC)...

Photochemical modelling in the Po basin with focus on formaldehyde and ozone (2007)

L. Liu, F. Flatøy, C. Ordóñez, G. O. Braathen, C. Hak, W. Junkermann, ...

As part of the EU project FORMAT (Formaldehyde as a Tracer of Oxidation in the Troposphere), a field campaign was carried out in the vicinity of Milan during the summer of 2002. Results from a 3-D...

Total Observed Organic Carbon (TOOC): A synthesis of North American observations (2007)

Heald, C. L., Goldstein, A. H., Allan, J. D., Aiken, A. C., Apel, E., Atlas, E. L., ...

Measurements of organic carbon compounds in both the gas and particle phases measured upwind, over and downwind of North America are synthesized to examine the total observed organic carbon (TOOC)...

Representativeness and climatology of carbon monoxide and ozone at the global GAW station Mt. Kenya in equatorial Africa (2007)

Henne, S., Klausen, J., Junkermann, W., Kariuki, J. M., Aseyo, J. O., Buchmann, B.

The tropics strongly influence the global atmospheric chemistry budget. However, continuous in-situ observations of trace gases are rare especially in equatorial Africa. The WMO Global Atmosphere...

Technical Note: Intercomparison of formaldehyde measurements at the atmosphere simulation chamber SAPHIR (2007)

Wisthaler, A., Apel, E.C., Bossmeyer, J., Hansel, A., Junkermann, W., Koppmann, R., ...

The atmosphere simulation chamber SAPHIR at the Research Centre Jülich was used to test the suitability of state-of-the-art analytical instruments for the measurement of gas-phase formaldehyde...

Influence of clouds on the spectral actinic flux density in the lower troposphere (INSPECTRO): overview of the field campaigns (2007)

Thiel, S., Ammannato, L., Bais, A., Bandy, B., Blumthaler, M., Bohn, B., ...

Ultraviolet radiation is the key factor driving tropospheric photochemistry. It is strongly modulated by clouds and aerosols. A quantitative understanding of the radiation field and its effect on...

The role of VOC oxidation products in continental new particle formation (2007)

Laaksonen, A., Kulmala, M., O'Dowd, C. D., Joutsensaari, J., Vaattovaara, P., Mikkonen, S., ...

Aerosol physical and chemical properties and trace gas concentrations were measured during the QUEST field campaign in March?April, 2003, in Hyytiälä, Finland. Our aim was to understand the role of...

Photochemical modelling in the Po basin with focus on formaldehyde and ozone (2007)

Liu, L., Flatøy, F., Ordóñez, C., Braathen, G. O., Hak, C., Junkermann, W., ...

As part of the EU project FORMAT (Formaldehyde as a Tracer of Oxidation in the Troposphere), a field campaign was carried out in the vicinity of Milan during the summer of 2002. Results from a 3-D...

Total Observed Organic Carbon (TOOC): A synthesis of North American observations (2007)

Heald, C. L., Goldstein, A. H., Allan, J. D., Aiken, A. C., Apel, E., Atlas, E. L., ...

Measurements of organic carbon compounds in both the gas and particle phases measured upwind, over and downwind of North America are synthesized to examine the total observed organic carbon (TOOC)...

Representativeness and climatology of carbon monoxide and ozone at the global GAW station Mt. Kenya in equatorial Africa (2007)

Henne, S., Klausen, J., Junkermann, W., Kariuki, J. M., Aseyo, J. O., Buchmann, B.

The tropics strongly influence the global atmospheric chemistry budget. However, continuous in-situ observations of trace gases are rare especially in equatorial Africa. The WMO Global Atmosphere...

Technical Note: Intercomparison of formaldehyde measurements at the atmosphere simulation chamber SAPHIR (2007)

Wisthaler, A., Apel, E.C., Bossmeyer, J., Hansel, A., Junkermann, W., Koppmann, R., ...

The atmosphere simulation chamber SAPHIR at the Research Centre Jülich was used to test the suitability of state-of-the-art analytical instruments for the measurement of gas-phase formaldehyde...

Influence of clouds on the spectral actinic flux density in the lower troposphere (INSPECTRO): overview of the field campaigns (2007)

Thiel, S., Ammannato, L., Bais, A., Bandy, B., Blumthaler, M., Bohn, B., ...

Ultraviolet radiation is the key factor driving tropospheric photochemistry. It is strongly modulated by clouds and aerosols. A quantitative understanding of the radiation field and its effect on...

The role of VOC oxidation products in continental new particle formation (2007)

Laaksonen, A., Kulmala, M., O'Dowd, C. D., Joutsensaari, J., Vaattovaara, P., Mikkonen, S., ...

Aerosol physical and chemical properties and trace gas concentrations were measured during the QUEST field campaign in March?April, 2003, in Hyytiälä, Finland. Our aim was to understand the role of...

Photochemical modelling in the Po basin with focus on formaldehyde and ozone (2007)

Liu, L., Flatøy, F., Ordóñez, C., Braathen, G. O., Hak, C., Junkermann, W., ...

As part of the EU project FORMAT (Formaldehyde as a Tracer of Oxidation in the Troposphere), a field campaign was carried out in the vicinity of Milan during the summer of 2002. Results from a 3-D...

The role of VOC oxidation products in continental new particle formation (2007)

A. Laaksonen, M. Kulmala, C. D. O'Dowd, J. Joutsensaari, P. Vaattovaara, S. Mikkonen, ...

Aerosol physical and chemical properties and trace gas concentrations were measured during the QUEST field campaign in March–April, 2003, in Hyytiälä, Finland. Our aim was to understand the...

Influence of clouds on the spectral actinic flux density in the lower troposphere (INSPECTRO): overview of the field campaigns (2007)

S. Thiel, L. Ammannato, A. Bais, B. Bandy, M. Blumthaler, B. Bohn, ...

Ultraviolet radiation is the key factor driving tropospheric photochemistry. It is strongly modulated by clouds and aerosols. A quantitative understanding of the radiation field and its effect on...

Technical Note: Intercomparison of formaldehyde measurements at the atmosphere simulation chamber SAPHIR (2007)

A. Wisthaler, E.C. Apel, J. Bossmeyer, A. Hansel, W. Junkermann, R. Koppmann, ...

The atmosphere simulation chamber SAPHIR at the Research Centre Jülich was used to test the suitability of state-of-the-art analytical instruments for the measurement of gas-phase formaldehyde...

Representativeness and climatology of carbon monoxide and ozone at the global GAW station Mt. Kenya in equatorial Africa (2007)

S. Henne, J. Klausen, W. Junkermann, J. M. Kariuki, J. O. Aseyo, B. Buchmann

The tropics strongly influence the global atmospheric chemistry budget. However, continuous in-situ observations of trace gases are rare especially in equatorial Africa. The WMO Global Atmosphere...

Total Observed Organic Carbon (TOOC): A synthesis of North American observations (2007)

C. L. Heald, A. H. Goldstein, J. D. Allan, A. C. Aiken, E. Apel, E. L. Atlas, ...

Measurements of organic carbon compounds in both the gas and particle phases measured upwind, over and downwind of North America are synthesized to examine the total observed organic carbon (TOOC)...

Airborne measurements of nucleation mode particles I: coastal nucleation and growth rates. (2007)

O'Dowd, C.D., Yoon, Y.J., Junkermann, W., Aalto, P., Kulmala, M., Lihavainen, H., ...

Atmospheric Chemistry and Physics, 7(2007) S.1491-1501

Fernerkundungs-Untersuchungen der Schichtung der unteren Atmosphäre in Alpentälern und deren Einfluss auf die Schadstoffbelastung. (2007)

Schäfer, K., Emeis, S., Hoffmann, H., Jahn, C., Junkermann, W., Krismer, A., ...

Workshop 'Eigenschaften und Verhalten von Feinstäuben und ultrafeinen Aerosolpartikeln', Bolzano, I, 2.-3.April 2007

Influence of clouds on the spectral actinic flux density in the lower troposphere (INSPECTRO): overview of the field campaigns. (2007)

Thiel, S., Ammannato, L., Bais, A., Bandy, B., Blumthaler, M., Bohn, B., ...

Atmospheric Chemistry and Physics,8(2008)6, S. 1789-1812

Megacities: Risiken aus Sicht der Luftqualität. (2007)

Suppan, P., Forkel, R., Junkermann, W., Franck, U.

8.Forum Katastrophenvorsorge, Karlsruhe, 15.-16.Oktober 2007

Airborne measurements of nucleation mode particles I: coastal nucleation and growth rates. (2007)

O'Dowd, C.D., Yoon, Y.J., Junkermann, W., Aalto, P., Kulmala, M., Lihavainen, H., ...

Atmospheric Chemistry and Physics, 7(2007) S.1491-1501

Airborne multi-axis DOAS measurements of tropospheric SO2 plumes in the Po-valley, Italy (2006)

P. Wang, A. Richter, M. Bruns, J. P. Burrows, R. Scheele, W. Junkermann, ...

During the second FORMAT (FORMaldehyde as A Tracer of oxidation in the troposphere) campaign in 2003 the airborne multi-axis DOAS instrument (AMAXDOAS) performed scattered-light spectroscopic...

Photochemical modelling in the Po basin with focus on formaldehyde and ozone (2006)

Liu, L., Flatøy, F., Ordóñez, C., Braathen, G. O., Hak, C., Junkermann, W., ...

As part of the EU project FORMAT (Formaldehyde as a Tracer of Oxidation in the Troposphere), a field campaign was carried out in the vicinity of Milan during the summer of 2002. Results from a 3-D...

Airborne multi-axis DOAS measurements of tropospheric SO2 plumes in the Po-valley, Italy (2006)

Wang, P., Richter, A., Bruns, M., Burrows, J. P., Scheele, R., Junkermann, W., ...

During the second FORMAT (FORMaldehyde as A Tracer of oxidation in the troposphere) campaign in 2003 the airborne multi-axis DOAS instrument (AMAXDOAS) performed scattered-light spectroscopic...

Photochemical modelling in the Po basin with focus on formaldehyde and ozone (2006)

Liu, L., Flatøy, F., Ordóñez, C., Braathen, G. O., Hak, C., Junkermann, W., ...

As part of the EU project FORMAT (Formaldehyde as a Tracer of Oxidation in the Troposphere), a field campaign was carried out in the vicinity of Milan during the summer of 2002. Results from a 3-D...

Airborne multi-axis DOAS measurements of tropospheric SO2 plumes in the Po-valley, Italy (2006)

Wang, P., Richter, A., Bruns, M., Burrows, J. P., Scheele, R., Junkermann, W., ...

During the second FORMAT (FORMaldehyde as A Tracer of oxidation in the troposphere) campaign in 2003 the airborne multi-axis DOAS instrument (AMAXDOAS) performed scattered-light spectroscopic...

Airborne multi-axis DOAS measurements of tropospheric SO2 plumes in the Po-valley, Italy (2006)

Wang, P., Richter, A., Bruns, M., Burrows, J. P., Junkermann, W., ...

Photochemical modelling in the Po basin with focus on formaldehyde and ozone (2006)

L. Liu, F. Flatøy, C. Ordóñez, G. O. Braathen, C. Hak, W. Junkermann, ...

As part of the EU project FORMAT (Formaldehyde as a Tracer of Oxidation in the Troposphere), a field campaign was carried out in the vicinity of Milan during the summer of 2002. Results from a 3-D...

A new portable instrument for continuous measurement of formaldehyde in ambient air. (2006)

Junkermann, W., Burger, J.M.

Journal of Atmospheric and Oceanic Technology, 23(2006) S.38-45

On the modification of the three dimensional radiation field with broken and scattered clouds by haze and aerosols. (2006)

The 3D distribution of formaldehyde in the Milano are, Po-Valley, Italy. (2006)

The Changing Chemical Climate of the Atmosphere : 1st ACCENT Symp., Urbino, I, September 12-16, 2005 (Poster)

PTR-MS measurements of HCHO and results from HCHO intercomparison measurements in the atmosphere simulation chamber SAPHIR. (2006)

General Assembly of the European Geosciences Union, Wien, A, April 24-29, 2005

Wisthaler, A., Hansel, A., Koppmann, R., Brauers, T., Bossmeier, J., Steinbrecher, R., ...

Frühjahrstagung der Fachverbände Extraterrestrische Physik, Strahlen- und Medizinphysik, Umweltphysik der DPG, Heidelberg, 13.-16.März 2006

Data fusion for assessment of urban air pollution. (2006)

Schäfer, K., Harbusch, A., Peicu, G., Emeis, S., Hoffmann, H., Jahn, C., ...

Community Workshop on Air Quality Remote Sensing from Space: Defining an Optimum Observing Strategy, Boulder, Colo., February 21-23, 2006

Airborne multi-axis DOAS measurements of tropospheric SO§2 plumes in the Po-valley, Italy. (2006)

Wang, P., Richter, A., Bruns, M., Burrows, J.P., Scheele, R., Junkermann, W., ...

Atmospheric Chemistry and Physics, 6(2006) S.329-38

Mixing layer height over Munich, Germany: variability and comparisons of different methodologies. (2006)

Wiegner, M., Emeis, S., Freudenthaler, V., Heese, B., Junkermann, W., Münkel, C., ...

Journal of Geophysical Research, 111(D13201), doi:10.1029/2005JD006593, 2006

Photochemical modelling in the Po basin with focus on formaldehydse and ozone. (2006)

Liu, L., Flatoy, F., Ordonez, C., Braathen, G.O., Hak, C., Junkermann, W., ...

Atmospheric Chemistry and Physics Discussions, 6(2006) S.5057-94

Spectral actinic flux in the lower troposphere: measurement and 1-D simulations for cloudless, broken cloud and overcast situations (2005)

A. Kylling, A. R. Webb, R. Kift, G. P. Gobbi, L. Ammannato, F. Barnaba, ...

In September 2002, the first INSPECTRO campaign to study the influence of clouds on the spectral actinic flux in the lower troposphere was carried out in East Anglia, England. Measurements of the...

Intercomparison of four different in-situ techniques for ambient formaldehyde measurements in urban air (2005)

C. Hak, I. Pundt, S. Trick, C. Kern, U. Platt, J. Dommen, ...

Results from an intercomparison of several currently used in-situ techniques for the measurement of atmospheric formaldehyde (CH2O) are presented. The measurements were carried out at Bresso, an...

Effects of SO2 oxidation on ambient aerosol growth in water and ethanol vapours (2005)

T. Petäjä, K. Hämeri, P. Vaattovaara, J. Joutsensaari, W. Junkermann, ...

Hygroscopicity (i.e. water vapour affinity) of atmospheric aerosol particles is one of the key factors in defining their impacts on climate. Condensation of sulphuric acid onto less hygroscopic...

MAX-DOAS measurements of formaldehyde in the Po-Valley (2005)

A. Heckel, A. Richter, T. Tarsu, F. Wittrock, C. Hak, I. Pundt, ...

During the first measurement campaign of the EU FORMAT project in summer 2002 near Milan, northern Italy, ground-based scattered light differential optical absorption spectroscopy (DOAS) measurements...

Spectral actinic flux in the lower troposphere: measurement and 1-D simulations for cloudless, broken cloud and overcast situations (2005)

Kylling, A., Webb, A.R., Kift, R., Gobbi, G.P., Ammannato, L., Barnaba, F., ...

In September 2002, the first INSPECTRO campaign to study the influence of clouds on the spectral actinic flux in the lower troposphere was carried out in East Anglia, England. Measurements of the...

CONTRACE – Convective transport of trace gases into the middle and upper troposphere over Europe: Budget and impact on chemistry (2005)

Huntrieser, H., Schlager, H., Arnold, F., Forster, C., Junkermann, W., Stohl, A.

Spectral actinic flux in the lower troposphere: measurement and 1-D simulations for cloudless, broken cloud and overcast situations (2005)

Kylling, A., Webb, A. R., Kift, R., Gobbi, G. P., Ammannato, L., Barnaba, F., ...

In September 2002 an extensive campaign to study the influence of clouds on the spectral actinic flux in the lower troposphere was carried out in East Anglia, England. Measurements of the actinic...

Intercomparison of four different in-situ techniques for ambient formaldehyde measurements in urban air (2005)

Hak, C., Pundt, I., Kern, C., Platt, U., Dommen, J., Ordóñez, C., ...

Results from an intercomparison of several currently used in-situ techniques for the measurement of atmospheric formaldehyde (CH2O) are presented. The measurements were carried out at Bresso, an...

Airborne multi-axis DOAS measurements of tropospheric SO2 plumes in the Po-valley, Italy (2005)

Wang, P., Richter, A., Bruns, M., Burrows, J. P., Junkermann, W., ...

During the second FORMAT (FORMaldehyde as A Tracer of oxidation in the troposphere) campaign in 2003 the airborne multi-axis DOAS instrument (AMAXDOAS) performed spectroscopic measurements of SO2...

Intercomparison of four different in-situ techniques for ambient formaldehyde measurements in urban air (2005)

Hak, C., Pundt, I., Trick, S., Kern, C., Platt, U., Dommen, J., ...

Results from an intercomparison of several currently used in-situ techniques for the measurement of atmospheric formaldehyde (CH2O) are presented. The measurements were carried out at Bresso, an...

Spectral actinic flux in the lower troposphere: measurement and 1-D simulations for cloudless, broken cloud and overcast situations (2005)

Kylling, A., Webb, A. R., Kift, R., Gobbi, G. P., Ammannato, L., Barnaba, F., ...

In September 2002, the first INSPECTRO campaign to study the influence of clouds on the spectral actinic flux in the lower troposphere was carried out in East Anglia, England. Measurements of the...

MAX-DOAS measurements of formaldehyde in the Po-Valley (2005)

Heckel, A., Richter, A., Tarsu, T., Wittrock, F., Hak, C., Pundt, I., ...

During the first measurement campaign of the EU FORMAT project in summer 2002 near Milan, northern Italy, ground-based scattered light differential optical absorption spectroscopy (DOAS) measurements...

Effects of SO2 oxidation on ambient aerosol growth in water and ethanol vapours (2005)

Petäjä, T., Hämeri, K., Vaattovaara, P., Joutsensaari, J., Junkermann, W., ...

Hygroscopicity (i.e. water vapour affinity) of atmospheric aerosol particles is one of the key factors in defining their impacts on climate. Condensation of sulphuric acid onto less hygroscopic...

Spectral actinic flux in the lower troposphere: measurement and 1-D simulations for cloudless, broken cloud and overcast situations (2005)

Kylling, A., Webb, A. R., Kift, R., Gobbi, G. P., Ammannato, L., Barnaba, F., ...

In September 2002 an extensive campaign to study the influence of clouds on the spectral actinic flux in the lower troposphere was carried out in East Anglia, England. Measurements of the actinic...

Intercomparison of four different in-situ techniques for ambient formaldehyde measurements in urban air (2005)

Hak, C., Pundt, I., Kern, C., Platt, U., Dommen, J., Ordóñez, C., ...

Results from an intercomparison of several currently used in-situ techniques for the measurement of atmospheric formaldehyde (CH2O) are presented. The measurements were carried out at Bresso, an...

Airborne multi-axis DOAS measurements of tropospheric SO2 plumes in the Po-valley, Italy (2005)

Wang, P., Richter, A., Bruns, M., Burrows, J. P., Junkermann, W., ...

During the second FORMAT (FORMaldehyde as A Tracer of oxidation in the troposphere) campaign in 2003 the airborne multi-axis DOAS instrument (AMAXDOAS) performed spectroscopic measurements of SO2...

Intercomparison of four different in-situ techniques for ambient formaldehyde measurements in urban air (2005)

Hak, C., Pundt, I., Trick, S., Kern, C., Platt, U., Dommen, J., ...

Results from an intercomparison of several currently used in-situ techniques for the measurement of atmospheric formaldehyde (CH2O) are presented. The measurements were carried out at Bresso, an...

Spectral actinic flux in the lower troposphere: measurement and 1-D simulations for cloudless, broken cloud and overcast situations (2005)

Kylling, A., Webb, A. R., Kift, R., Gobbi, G. P., Ammannato, L., Barnaba, F., ...

In September 2002, the first INSPECTRO campaign to study the influence of clouds on the spectral actinic flux in the lower troposphere was carried out in East Anglia, England. Measurements of the...

MAX-DOAS measurements of formaldehyde in the Po-Valley (2005)

Heckel, A., Richter, A., Tarsu, T., Wittrock, F., Hak, C., Pundt, I., ...

During the first measurement campaign of the EU FORMAT project in summer 2002 near Milan, northern Italy, ground-based scattered light differential optical absorption spectroscopy (DOAS) measurements...

Effects of SO2 oxidation on ambient aerosol growth in water and ethanol vapours (2005)

Petäjä, T., Hämeri, K., Vaattovaara, P., Joutsensaari, J., Junkermann, W., ...

Hygroscopicity (i.e. water vapour affinity) of atmospheric aerosol particles is one of the key factors in defining their impacts on climate. Condensation of sulphuric acid onto less hygroscopic...

Spectral actinic flux in the lower troposphere: measurement and 1-D simulations for cloudless, broken cloud and overcast situations (2005)

A. Kylling, A. R. Webb, R. Kift, G. P. Gobbi, L. Ammannato, F. Barnaba, ...

In September 2002 an extensive campaign to study the influence of clouds on the spectral actinic flux in the lower troposphere was carried out in East Anglia, England. Measurements of the actinic...

Airborne multi-axis DOAS measurements of tropospheric SO2 plumes in the Po-valley, Italy (2005)

P. Wang, A. Richter, M. Bruns, J. P. Burrows, W. Junkermann, ...

During the second FORMAT (FORMaldehyde as A Tracer of oxidation in the troposphere) campaign in 2003 the airborne multi-axis DOAS instrument (AMAXDOAS) performed spectroscopic measurements of SO2...

Intercomparison of four different in-situ techniques for ambient formaldehyde measurements in urban air (2005)

C. Hak, I. Pundt, C. Kern, U. Platt, J. Dommen, C. Ordóñez, ...

Results from an intercomparison of several currently used in-situ techniques for the measurement of atmospheric formaldehyde (CH<sub>2</sub>O) are presented. The measurements were carried...

Spectral actinic flux in the lower troposphere: measurement and 1-D simulations for cloudless, broken cloud and overcast situations. (2005)

Kylling, A., Webb, A.R., Kift, R., Gobbi, G.P., Ammannato, L., Barnaba, F., ...

Atmospheric Chemistry and Physics, 5(2005) S.1975-97

MAX-DOAS measurements of formaldehyde in the Po-Valley. (2005)

Heckel, A., Richter, A., Tarsu, T., Wittrock, F., Hak, C., Pundt, I., ...

Atmospheric Chemistry and Physics, 5(2005) S.909-18

The actinic UV-radiation budget during the ESCOMPTE campaign 2001: results of airborne measurements with the microlight research aircraft D-MIFU. (2005)

Effects of SO2 oxidation on ambient aerosol growth in water and ethanol vapours. (2005)

Atmospheric Research, 74(2005) S.461-75

Petäjä, T., Kerminen, V.M., Hämeri, K., Vaattovaara, P., Junkermann, W., Laaksonen, A., ...

Atmospheric Chemistry and Physics, 5(2005) S.767-779

Cloud condensation nucleus production from nucleation events at a highly polluted region. (2005)

Laaksonen, A., Hamed, A., Joutsensaari, J., Hiltunen, L., Cavalli, F., Junkermann, W., ...

Geophysical Research Letters, 32(2005), L06812, doi:10.1029/2004GL022092

Establishment of an integrated ground-truthing station for satellite data products. (2005)

Sussmann, R., Junkermann, W., Scheel, H.E., Trickl, T., Vogelmann, H., Burger, J., ...

ACCENT-TROPOSAT-2 Workshop, Bremen, January 31 - February 2, 2005

Validation strategies for tropospheric satellite data products. (2005)

Piters, A., Brinksma, E., Galle, B., Gloudemans, A., Junkermann, W., ...

The Changing Chemical Climate of the Atmosphere : 1st ACCENT Symp., Urbino, I, September 12-16, 2005

Evaluation of mixing layer height monitoring by ceilometer with SODAR and microlight aircraft measurements. (2005)

Schäfer, K., Emeis, S., Junkermann, W., Münkel, C.

Schäfer, K. [Hrsg.]

Photolysis Frequency of O3 to O(1D): Measurements and Modeling during the International Photolysis Frequency Measurement and Modeling Intercomparison (IPMMI) (2004)

Hofzumahaus, A., Lefer, B.L., Monks, P.S., Hall, S.R., Kylling, A., Mayer, B., ...

Effects of SO2 oxidation on ambient aerosol growth in water and ethanol vapours (2004)

Petäjä, T., Hämeri, K., Vaattovaara, P., Joutsensaari, J., Junkermann, W., ...

Hygroscopicity (i.e. water vapour affinity) of atmospheric aerosol particles is one of the key factors in defining their impacts on climate. Condensation of sulphuric acid onto less hygroscopic...

MAX-DOAS measurements of formaldehyde in the Po-Valley (2004)

Heckel, A., Richter, A., Tarsu, T., Wittrock, F., Hak, C., Pundt, I., ...

no abstract available

Effects of SO2 oxidation on ambient aerosol growth in water and ethanol vapours (2004)

Petäjä, T., Hämeri, K., Vaattovaara, P., Joutsensaari, J., Junkermann, W., ...

Hygroscopicity (i.e. water vapour affinity) of atmospheric aerosol particles is one of the key factors in defining their impacts on climate. Condensation of sulphuric acid onto less hygroscopic...

MAX-DOAS measurements of formaldehyde in the Po-Valley (2004)

Heckel, A., Richter, A., Tarsu, T., Wittrock, F., Hak, C., Pundt, I., ...

no abstract available

MAX-DOAS measurements of formaldehyde in the Po-Valley (2004)

A. Heckel, A. Richter, T. Tarsu, F. Wittrock, C. Hak, I. Pundt, ...

no abstract available

Effects of SO2 oxidation on ambient aerosol growth in water and ethanol vapours (2004)

T. Petäjä, K. Hämeri, P. Vaattovaara, J. Joutsensaari, W. Junkermann, ...

Hygroscopicity (i.e. water vapour affinity) of atmospheric aerosol particles is one of the key factors in defining their impacts on climate. Condensation of sulphuric acid onto less hygroscopic...

Impact of changing biodiversity in tropical agro-forest ecosystems in Africa on the exchange potential of trace gases between ecosystems and atmosphere. BIOTA East Africa (E02). (2004)

Steinbrecher, R., Awiti, A., Schaab, G., Kraus, T., Junkermann, W., Walsh, M., ...

Sustainable Use and Conservation of Biological Diversity : A Challenge for Society ; Internat.Symp., Berlin, December 1-4, 2003

Photolysis frequency of O§3 to O(`1D): Measurements and modeling during the International Photolysis Frequency Measurement and Modeling Intercomparison (IPMMI). (2004)

Hofzumahaus, A., Lefer, B.L., Monks, P.S., Hall, S.R., Kylling, A., Mayer, B., ...

Journal of Geophysical Research, 109(D8) S90, doi:10.1029/2003JD004333, 2004

MAX-DOAS measurements of formaldehyde in the Po-Valley. (2004)

Heckel, A., Richter, A., Tarsu, T., Wittrock, F., Hak, C., Pundt, I., ...

Atmospheric Chemistry and Physics Discussions, 4(2004) S.1151-80

CH§2O and H§2O§2 in the upper troposphere, investigations within the framework of CONTRACE under convective conditions and in aged air masses. (2004)

Junkermann, W., Meier, R.

AFO2000 Abschluß-Symp., Bad Tölz, 22.-24.März 2004

Airborne investigation of the interaction of aerosols and clouds with shortwave solar radiation. (2004)

Atmospheric turbulence flux measurements with small environmental research aircrafts: system performance and first results. (2004)

8th Internat.Global Atmospheric Chemistry Conf., Christchurch, NZ, September 4- 9, 2004 (Poster)

Steinbrecher, R., Junkermann, W., Homburg, F., Steigner, D.

Deutsch-Österreichisch-Schweizerische Meteorologen-Tagung (DACH 2004), Karlsruhe, 7.- 10.September 2004 (Poster)

Intercontinental Transport of Pollution from North America to Europe: Airborne Trace Gas Measurements over Central and Northern Europe during CONTRACE (2003)

Huntrieser, H., Schlager, H., Heland, J., Mannstein, H., Forster, C., Stohl, A., ...

CONTRACE - Convective Transport of Trace Gases into the Middle and Upper Troposphere over Europe: Budget and Impact on Chemistry (2003)

Huntrieser, H., Heland, J., Forster, C., Lawrence, M., Mannstein, H., Junkermann, W., ...

An Overview of the VERTIKATOR Project and Results of Alpine Pumping (2003)

Lugauer, M., Berresheim, H., Corsmeier, U., Dabas, A., Dyck, W., Emeis, S. ., ...

Photolysis Frequency of NO2 : Measurement and Modeling during the International Photolysis Frequency Measurement and Modeling Intercomparison (IPMMI) (2003)

Shetter, R.E., Junkermann, W., Swartz, W.H., Frost, G.H., Crawford, J.H., Lefer, B.L., ...

An overview of the VERTIKATOR project and results of Alpine pumping. (2003)

Lugauer, M., Berresheim, H., Corsmeier, U., Dabas, A., Dyck, W., Emeis, S., ...

Schär, C. [Hrsg.]

Tropospheric aerosols in the Mediterranean: 2. Radiative effects through model simulations and measurements. (2003)

Meloni, D., Di Sarra, A., De Luisi, J., Di Iorio, T., Fiocco, G., Junkermann, W., ...

Journal of Geophysical Research, 108(D10), 4317, doi:10.1029/2002JD002807, 2003

Tropospheric aerosols in the Mediterranean: 3. Measurements and modeling of actinic radiation profiles. (2003)

Meloni, D., Di Sarra, A., Fiocco, G., Junkermann, W.

Journal of Geophysical Research, 108(D10), 4323, doi:10.1029/2002JD003293, 2003

Tropospheric aerosols in the Mediterranean: 1. Microphysical and optical properties. (2003)

Di Iorio, T., Di Sarra, A., Junkermann, W., Cacciani, M., Fiocco, G., Fua, D.

Journal of Geophysical Research, 108(D10), 4316, doi:10.1029/2002JD002815, 2003

Photolysis frequency of NO§2: measurement and modeling during the international photolysis frequency measurement and modeling intercomparison (IPMMI). (2003)

Shetter, R.E., Junkermann, W., Swartz, W.H., Frost, G.J., Crawford, J.H., Lefer, B.L., ...

Journal of Geophysical Research, 108(D16), 8544, doi:10.1029/2002JD002932, 2003

Turbulent vertical exchange over medium and steep orography - measurements and turbulence parameterization. (2003)

Emeis, S., Trickl, T., Junkermann, W.

Schär, C. [Hrsg.]

Cloud impacts on UV spectral actinic flux observed during the International Photolysis Frequency Measurement and Model Intercomparison (IPMMI). (2003)

Crawford, J., Shetter, R.E., Lefer, B., Cantrell, C., Junkermann, W., Madronich, S., ...

Journal of Geophysical Research, 108(D16), 8545, doi:10.1029/2002JD002731, 2003

Airborne turbulent flux measurements of trace gases: problems and solutions. (2003)

Steinbrecher, R., Zuurbier, R., Junkermann, W., Homburg, F., Steigner, D.

Arneth, A. [Hrsg.]

A new technology for studying trace gas exchange between biosphere and atmosphere on human impacted biodiversity change in rainforests. (2003)

Steinbrecher, R., Zuurbier, R., Junkermann, W., Homburg, F., Steigner, D.

AGU Chapman Conf.on Ecosystem Interactions with Land Use Change, Santa Fe, N.M., June 14-18, 2003

Biodiversity of the Kakamega forest in Kenya and the impact of increasing pressure through population: a new technique for assessing area averaged change in trace gas exchange between ecosystems and the atmosphere. (2003)

Steinbrecher, R., Junkermann, W., Zuurbier, R., Steigner, D., Rappenglück, B., Burger, J., ...

Tropische Biodiversität im globalen Wandel : 16.Jahrestagung der Gesellschaft für Tropenökologie, Universität Rostock, 19.-22.Februar 2003

CONTRACE - Convective Transport of Trace Gases into the Middle and Upper Troposphere over Europe (2002)

Huntrieser, H., Heland, J., Forster, C., Lawrence, M., Mannstein, H., Junkermann, W., ...

CONTRACE - Convective Transport of Trace Gases into the Upper Troposphere over Europe: Budget and Impact on Chemistry (2002)

Huntrieser, H., Schlager, H., Heland, J., Mannstein, H., Forster, P.M. De, Stohl, A., ...

Intercontinental Transport of Pollution from North America to Europe: Airborne Trace Gas Measurements over Central and Northern Europe during CONTRACE (2002)

Huntrieser, H., Schlager. H., Heland, J., Mannstein, H., Forster, C., Stohl, A., ...

A Chemical Characterisation of North American Pollutant Plumes over Europe and a 15-year Climatology of Global Warm Conveyor Belt Transport (2002)

Stohl, A., Huntrieser, H., Cooper, O., Eckhardt, S., Forster, C., James, P., ...

Actinic radiation and photolysis processes in the lower troposphere: Effect of clouds and aerosols (2002)

Junkermann, W., Brühl, C., Perner, D., Eckstein, E., Trautmann, T., Früh, B., ...

Within the German Tropospheric Research Program (TFS) a series of projects were performed focussing on aspects of radiation transfer and the effects of UV-radiation on air chemistry. The individual...

Vertical structure of the polluted low troposphere during ESCOMPTE 2001. (2002)

Said, F., Ancellet, G., Simeonov, V., Campistron, B., Corsmeier, C., Dabas, A., ...

27th General Assembly of the European Geophysical Society, Nice, F, April 21-26, 2002

Aircraft measurement during an episode of strong photochemical air pollution: ESCOMPTE 2001 experiment. (2002)

Perros, P.E., Corsmeier, U., Dabas, A., Junkermann, W., Kottmeier, C., Said, F.

7th Scientific Conf.of the Internat.Atmospheric Chemistry Project (IGAC), Heraklion, GR, September 18-25, 2002

Sondierung der Troposphäre mit dem Ultraleicht-Flugzeug zur Untersuchung von vertikaler Schichtung und Strahlungstransfer. (2002)

A chemical characterisation of North American pollutant plumes over Europe and a 15-year climatology of global warm conveyor belt transport. (2002)

Vortr.: Meteorologisches Institut, LMU München, 13.Dezember 2002

Stohl, A., Huntrieser, H., Cooper, O., Eckhardt, S., Forster, C., James, P., ...

10th Scientific Conf.of the Internat.Association of Meteorology and Atmospheric Sciences (IAMAS), Commission for Atmospheric Chemistry and Global Pollution (CACGP),

Actinic radiation and photolysis processes in the lower troposphere: effect of clouds and aerosols. (2002)

Junkermann, W., Brühl, C., Perner, D., Eckstein, E., Trautmann, T., Früh, B., ...

Journal of Atmospheric Chemistry, 42(2002) S.413-41

Turbulent vertical exchange over medium and steep orography - measurements and turbulence parameterization. (2002)

Emeis, S., Trickl, T., Junkermann, W.

Statusseminar des Forschungsschwerpunktes 'Atmosphärenforschung 2002' (AFO2000), Schliersee, 7.-9.Oktober 2002 (Poster)

Quality control of altitude ozone measurements during the escompte campaign and database quality optimization. (2002)

Frejafon, E., Allet, C., Ancellet, G., Durand, P., Junkermann, W., Gizard, E., ...

27th General Assembly of the European Geophysical Society, Nice, F, April 22-26, 2002 (Poster)

CONTRACE - Convective transport of trace gases into the middle and upper troposphere over Europe. (2002)

Huntrieser, H., Heland, J., Forster, C., Lawrence, M., Mannstein, H., Junkermann, W., ...

EUROTRAC Symp.2002, Garmisch-Partenkirchen, 11.-15.März 2002 (Poster)

Quality assurance in TFS for inorganic compounds. (2002)

Kanter, H.J., Mohnen, V.A., Volz-Thomas, A., Junkermann, W., Glaser, K., Weitkamp, C., ...

Journal of Atmospheric Chemistry, 42(2002) S.235-53

Airborne experiments on the 3-dimensional distribution of UV-radiation, ozone and aerosols during the ESCOMPTE campaign 2001. (2002)

Measurements of CH§2O peroxides and VOC/CO grab samples onboard the FALCON during the CONTRACE winter campaign 2001. (2002)

EUROTRAC Symp.2002, Garmisch-Partenkirchen, 11.-15.März 2002 (Poster)

Junkermann, W., Meier, R., Gimmler, A.

Statusseminar des Forschungsschwerpunktes 'Atmosphärenforschung 2002' (AFO2000), Schliersee, 7.-9.Oktober 2002 (Poster)

Estimation of the actinic flux. (2002)

Kylling, A., Webb, A.R., Bais, A.F., Blumthaler, M., Gobbi, G.P., Schmitt, R., ...

EUROTRAC Symp.2002, Garmisch-Partenkirchen, 11.-15.März 2002 (Poster)

Vertical structure of the polluted low troposphere during ESCOMPTE 2001. (2002)

Said, F., Ancellet, G., Simeonot, V., Campistron, B., Corsmeier, C., Dabsa, H., ...

27th General Assembly of the European Geophysical Society, Nice, F, April 22-26, 2002

Die Abschätzung des Stoffaustauschs zwischen tropischen Waldökosystemen und der Atmosphäre - ein Beitrag zum Forschungsschwerpunkt Biodiversität und Globaler Wandel. (2002)

Schaab, G., Awiti, A., Forkel, R., Junkermann, W., Strunz, G., Walsh, M., ...

BMBF-Tagung 'Bedeutung der Wechselwirkungen Biosphäre/Atmospäre für die Nachhaltige Nutzung der Biospäre und den Klimaschutz', Bonn, 16.-17.September 2002 (Poster)

Three-dimensional ground-based measurements of urban air quality to evaluate satellite derived interpretations for urban air pollution. (2002)

Schäfer, K., Fömmel, G., Hoffmann, H., Briz, S., Junkermann, W., Emeis, S., ...

Water, Air and Soil Polloution: Focus, 2(2002) Issue 5-6, S.91-102

Measuring spectral actinic flux and irradiance: experimental results from the actinic flux determination from measurements of irradiance (ADMIRA) project. (2002)

Webb, A.R., Kelly, P., Kift, R., Bais, A.F., Kazantzidis, A., Topaloglou, C., ...

Journal of Atmospheric and Oceanic Technology, 19(2002) S.1049-62

Radiation, ozone, and aerosol measurements at Lampedusa during the PAUR II campaign. (2002)

Di Sarra, A., Cacciani, M., Campanelli, M., Chamard, P., Cornwall, C., Deluisi, J., ...

Smith, W.L. [Hrsg.]

Assessing the meteorological conditions of a deep Italian Alpine valley system by means of a measuring campaign and simulations with two models during a summer smog episode (2001)

Dosio, A., Emeis, S., Graziani, G., Junkermann, W., Levy, A.

The typical features of a summer smog episode in the highly complex terrain of the Province of Bolzano (Northern Italy) were investigated by numerical modelling with two non-hydrostatic models,...

An ultralight aircraft as platform for research in the lower troposphere - system performance and first results from radiation transfer studies in stratiform aerosol layers and broken cloud conditions (2001)

Assessing the meteorological conditions of a deep italian alpine valley system by means of a measuring campaign and simulations with 2 models during a summer smog episode (2001)

Dosio, A., Emeis, S., Graziani, G., Junkermann, W., Levy, A.

Physical features of the atmospheric aerosol determined with an aureolemeter and a FSSP probe in the mediterranean lampedusa island (2001)

Campanelli, M., Junkermann, W., Olivieri, B., Tonna, G.

Wie richtig sind Lidarmessungen der Ozonverteilung? (2000)

Weitkamp, C., Baumbach, G., Braun-Schoen, S., Burger, H., Dinev, S., ...

Vertical ozone profiles taken with four collocated differential-absorption lidar systems were compared with in-situ measurements from a UV absorption and a chemiluminescence ozone analyzer on board...

On the budget of photooxidants in the marine boundary layer of the tropical South Atlantic (1999)

Junkermann, W., Stockwell, W.R.

Measurements of ozone, hydrogen peroxide, methylhydroperoxide, and formaldehyde in the marine boundary layer of the tropical southern Atlantic Ocean were performed on board the research vessel...

Aircraft-borne measurements of peroxy radicals by Chemical Conversion/Ion Molecule Reaction Mass Spectrometry: Calibration, diagnostics, and results. (1999)

Reiner, T., Hanke, M., Arnold, F., Ziereis, H., Schlager, H., Junkermann, W.

Aircraft-borne measurements of peroxy radicals, related trace gases, and UV radiation: Instrumentation, diagnostic studies, results. (1999)

Borrell, P. M., Borrell, P., Reiner, T., Hanke, M., Arnold, F., Ziereis, H., ...

Aircraft-Borne Measurements of Peroxy Radicals, Related Trace Gases, and UV Radiation (1998)

Reimer, T., Hanke, M., Arnold, F., Ziereis, H., Schlager, H., Junkermann, W.

Sensitivity and uncertainties in gas-phase chemical mechanisms for ozone modelling (1998)

Stockwell, W.R., Kirchner, F., Junkermann, W., Milford, J.B., Gao, D.

Observation of C1-C5 aldehydes and ketones in the Bavarian alps (1998)

Leibrock, E., Slemr, J., Junkermann, W., Slemr, F.

Diurnal fluctuations of secondary photooxidants in air and of detoxification systems in the foliage of mediterranean forest trees (1997)

Junkermann, W., Polle, A.

Gas-phase peroxide mixing ratios were measured in the canopy area of a Mediterranean oak/pine forest. Concurrently the activities of cell wall localized peroxidases, which protect leaves from...

Temporal variations in formaldehyde, acetaldehyde and acetone and budget of formaldehyde at a rural site in Southern Germany (1996)

Slemr, J., Junkermann, W., Volz-Thomas, A.

Formaldehyde was measured at the TOR station, Schauinsland, (48 deg N, 6 deg E, 1250 m asl) in September 1992 during the TRACT intensive field campaign, using concurrently a continuous...

Actinometric and radiometric measurement and modelling of the photolysis rate coefficient of ozone to O(1D) during Mauna Loa Observatory Photochemistry Experiment 2 (1996)

Shetter, R.E., Cantrell, C.A., Lantz, K.O., Flocke, S.J., Orlando, J.J., Tyndall, G.S., ...

The in situ photolysis rate coefficient of O3 to O(1D) has been measured at Mauna Loa Observatory using a new actinometric instrument based on the reaction of O(1D) with N2O and with a hemispherical...

Messen von Gasen, Herstellen von Wasserstoffperoxid-Prüfgas durch Permeation in einen Grundgasstrom. VDI-Richtlinie 2468, Blatt 10 (1995)

Messen gasförmiger Immissionen, Messen der Wasserstoffperoxidkonzentration. VDI-Richtlinie 2468, Blatt 9 (1995)

Indication of change in global and regional trends of atmospheric mercury concentrations (1995)

Slemr, F., Junkermann, W., Schmidt, R.W.H., Sladkovic, R.

In 1992 we reported an indication of global increase of atmospheric mercury concentrations obtained from the measurements of total gaseous mercury (TGM) over the Atlantic Ocean during five ship...

VOCs and peroxides in ambient air above an Oak/Pine Forest in the Mediterranean Region (1994)

Steinbrecher, R., Junkermann, W., Steinbrecher, J., Slemr, J.

The occurence of organic peroxides in air at a mountain site (1994)

Fels, M., Junkermann, W.

Mixing ratios of individual organic hydroperoxides were measured during summer 1990 on a mountain summit (1780 m a.s.l.). The dominating compound during the early summer months was hydroxymethyl...

Measurements of the J(01D) actinic flux within and above stratiform clouds and above snow surfaces (1994)

Measurements of the J(01D) actinic flux within and above stratiform clouds and above snow surfaces (1994)

Photochemical reactions in the troposphere are strongly dependent on the amount of radiation available for radical production. Albedo changes affect significantly the vertical distribution of the...

Inhibition of apoplastic and symplastic peroxidase activity from Norway spruce by the photooxidant hydroxymethyl hydroperoxide (1994)

Does atmospheric hydrogen peroxide contribute to damage to forest trees? (1994)

Young, clonal Norway spruce trees (Picea abies L.) were exposed for 2 years at high altitudes to ambient atmospheric concentrations of photooxidants containing hydroxymethyl hydroperoxide (HMHP) as...

Distribution of organic hydroperoxides during aircraft measurements over the northeastern United States (1994)

H2O2 has two faces in plants: it is toxic at low concentrations in the chloroplasts, and it is a necessary cosubstrate for the production of biopolymers in the apoplastic compartment. Plants have...

Tremmel, H.G., Junkermann, W., Slemr, F.

Distributions of organic hydroperoxides (ROOH), hydrogen peroxide (H2O2), other trace gases, and meteorological parameters were measured from an aircraft over the northeastern United States in August...

Betrieb einer Basisstation für die Waldschadensforschung am Forschungsschwerpunkt Kalkalpen; Forschungsvorhaben, Zwischenbericht, 1.1.1992-31.12.1992; (Fortführung 1992/1993) (1993)

Sladkovic, R., Junkermann, W., Scheel, H.E.

Entwicklung von fortgeschrittenen Komponenten für ein Flugzeugmeßsystem zur Erfassung der Emissionen und des Transports von Schadstoffen in der unteren Troposphäre (1993)

Funk, W., Giehl, H., Junkermann, W., Pönig, F., Quiel, V., Slemr, J., ...

Vegetation types, nonmethane hydrocarbons and peroxide mixing ratios at TRACT Station 17 "nested area" in the Rhine Valley (1993)

Steinbrecher, R., Junkermann, W., Markus, J.

Peroxide measurements at remote mountain field sites (Wank 1780 MSL and 1175 MSL): Seasonal and diurnal variations of hydrogen peroxide and organic peroxides (1993)

Junkermann, W., Fels, M., Pietruk, C.P., Slemr, F., Hahn, J.

Nonmethane hydrocarbons and peroxide mixing ratios at TRACT stations 17 "nested area" in the Rhine valley: first results (1993)

Steinbrecher, R., Junkermann, W., Jocher, M.

NMHC und Peroxide über Grasland im Rheintal. Ein Beitrag zu TRACT (1993)

Junkermann, W., Steinbrecher, R.

FTIR spectroscopic maesurements of surface bond products of nitrogen oxides on aerosol surfaces - implications for atmospheric heterogenous HNO2 production (1993)

Junkermann, W., Ibusuki, T.

The distribution of hydrogen peroxide in the lower troposphere over the northeastern U.S. during late summer 1988 (1993)

Tremmel, H.G., Junkermann, W., Slemr, F., Platt, U.

Untersuchungen zum Wasserstoffperoxidbudget mit abstimmbaren Diodenlasern: Abschlußbericht zum Forschungsvorhaben 07EU7115, BMFT (1992)

Junkermann, W., Beekmann, M., Fels, M., Piertuk, C.P., Tranos, S., Tremmel, H.G., ...

Untersuchungen luftgetragener Spurensubstanzen und photochemischer Sekundärprodukte am Forschungsschwerpunkt Kalkalpen. Abschlußbericht (1992)

Junkermann, W., Langer, E., Zardini, D., Tranos, S.

Einlasssystem mit 180Grad Celsius Bildwinkel fuer Strahlungsdetektoren im Bereich des Sonnenlichts und damit versehene Strahlungsdetektoren (1988)

Verfahren und Vorrichtung zum Aufsammeln von Wassertropfen aus Nebel- oder bodennahen Wolken (1987)

Ein Einlasssystem mit 180Grad-Bildwinkel aus lichtdurchlaessigem Material fuer Strahlungsdetektoren fuer unterschiedliche Wellenlaengenbereiche des Sonnenlichts umfasst eine Halbkugelschale (7), die...

Kins, L., Junkermann, W., Meixner, F., Mueller, K.P.

Wassertropfen aus Nebel- oder bodennahen Wolken werden mittels einer Serie von Prallflaechen in einem Kasten mit Ansaugventilator abgeschieden, der mit einer Rotationslagerung und Windfahne zur...

UV-Messungen von Photolyseraten (1987)

Measurements of tropospheric OH concentrations - a comparison of field data with model predictions (1987)

Perner, D., Platt, U., Trainer, M., Hübler, G., Drummond, J., Rudolph, J., ...

Using long path UV absorption spectroscopy we have measured OH concentrations close to the earth's surface. The OH values observed at two locations in Germany during 1980 through 1983 range from 0.7...

Detection of atmospheric OH radicals (1987)

Platt, U., Rateike, M., Hofzumahaus, A., Ehhalt, D.H., Junkermann, W.

The detection of atmospheric OH radicals by laser long path absorption spectroscopy is described. This technique is specific to OH and easily calibrated. In various field measurements from below the...

Development and calibration of a ground-based active collector for cloud- and fogwater (1986)

Kins, L., Meixner, F.X., Müller, K.P., Ehhalt, D.H., Junkermann, W.

In spring 1985, field experiments were started to study the scavenging processes of atmospheric substances. Besides the chemical analysis of precipitation samples, these studies required simultaneous...

Bestimmung des chemischen Abbaus der Stickoxide in der Atmosphäre: Abschlußbericht zum BMFT-Vorhaben KBF 52. (1985)

Drummond, J., Ehhalt, D.H., Hübler, G., Johnen, F.J., Khedim, A., Kins, L., ...

Evidence for short SO2 lifetimes in the atmosphere - an in-situ measurement of atmospheric SO2 lifetime using cosmic ray produced sulphur-38 (1983)

Junkermann, W., Roedel, W.

A method for the determination of the in-situ lifetime of atmospheric SO2 has been developed using cosmic ray produced radioactive S(38-isotope). The S(38-isotope)-production rate by cosmic rays and...

Leistungssteigerung einer Impaktanlage zur Meteoritensimulation: Zwischenbericht zum DFG-Vertrag sti 68/1. (1982)

Schneider, E., Junkermann, W., Stilp, A.

Impact facilities at the Ernst-Mach-Institute. (1982)

Tham, R., Huelsewig, M., Hohler, V., Junkermann, W., Kuscher, G.F., Schneider, E., ...

Inhibition of Apoplastic and Symplastic Peroxidase Activity from Norway Spruce by the Photooxidant Hydroxymethyl Hydroperoxide.

Inhibition of Apoplastic and Symplastic Peroxidase Activity from Norway Spruce by the Photooxidant Hydroxymethyl Hydroperoxide.

Young, clonal Norway spruce trees (Picea abies L.) were exposed for 2 years at high altitudes to ambient atmospheric concentrations of photooxidants containing hydroxymethyl hydroperoxide (HMHP) as...