Andreas Petzold

Spatial distribution and optical properties of Saharan dust observed by airborne high spectral resolution lidar during SAMUM 2006 (2009)

Esselborn, Michael, Wirth, Martin, Fix, Andreas, Weinzierl, Bernadett, Rasp, Katharina, Tesche, Matthias, ...

Airborne measurements of pure Saharan dust extinction and backscatter coef- ficients, the corresponding lidar ratio and the aerosol optical thickness (AOT) have been performed during the Saharan...

Regional Saharan dust modelling during the SAMUM 2006 campaign (2009)

Heinold, Bernd, Tegen, Ina, Esselborn, Michael, Kandler, Konrad, Knippertz, Peter, Müller, Detlef, ...

The regional dust model system LM-MUSCAT-DES was developed in the framework of the SAMUM project. Using the unique comprehensive data set of near-source dust properties during the 2006 SAMUM field...

State of Mixing, Shape Factor, Number Size Distribution, and Hygroscopic Growth of the Saharan Anthropogenic and Mineral Dust Aerosol at Tinfou, Morocco (2009)

Kaaden, Nicole, Massling, Andreas, Schladitz, Alexander, Müller, Thomas, Kandler, Konrad, Schütz, Lothar, ...

The Saharan Mineral Dust Experiment (SAMUM) was conducted in May and June 2006 in Tinfou, Morocco. A H-TDMA system and a H-DMA-APS system were used to obtain hygroscopic properties of mineral dust...

Size distribution, mass concentration, chemical and mineralogical composition, and derived optical parameters of the boundary layer aerosol at Tinfou, Morocco, during SAMUM 2006 (2009)

Kandler, Konrad, Schütz, Lothar, Deutscher, Carmen, Hofmann, Heiko, Jäckel, Simon, Knippert, Peter, ...

During the SAMUM 2006 field campaign in southern Morocco, physical and chemical properties of desert aerosols were measured. Mass concentrations ranging from 30 μg m-3 for PM2.5 under desert...

Properties of dust aerosol particles transported to Portugal from the Sahara desert (2009)

Wagner, Frank, Bortoli, Daniele, Pereira, Sergio, Costa, Maria Joao, Silva, Ana Maria, Weinzierl, Bernadett, ...

Aerosol properties of mineral particles in the far-field of an African desert dust outbreak were investigated inside the project DARPO which was linked to the experiment SAMUM. The maximum particle...

Desert dust aerosol air mass mapping in the western Sahara, using particle properties derived from space-based multi-angle imaging (2009)

Kahn, Ralph, Petzold, Andreas, Wendisch, Manfred, Bierwirth, Eike, Dinter, Tilman, Esselborn, Michael, ...

Coincident observations made over the Moroccan desert during the Sahara mineral dust experiment (SAMUM) 2006 field campaign are used both to validate aerosol amount and type retrieved from...

Dust mobilization and transport in the northern Sahara during SAMUM 2006 – a meteorological overview (2009)

Knippertz, Peter, Ansmann, Albert, Althausen, Dietrich, Müller, Detlef, Tesche, Matthias, Bierwirth, Eike, ...

The SAMUM field campaign in southern Morocco in May/June 2006 provides valuable data to study the emission, and the horizontal and vertical transports of mineral dust in the Northern Sahara....

The Airborne Aerosol Measurements During SAMUM-1 and SAMUM-2: What Have we Learned About Dust? (2008)

Weinzierl, Bernadett, Petzold, Andreas, Esselborn, Michael, Minikin, Andreas, Fix, Andreas, Wirth, Martin, ...

dust properties is poorly understood over many regions of the world. Major unknowns are the dust size distribution that spans a range from 0.01 μm to about 100 μm, and the vertical distribution of...

Experimental studies on particle emissions from cruising ship, their characteristic properties, transformation and atmospheric lifetime in the marine boundary layer (2008)

Petzold, Andreas, Hasselbach, Jan, Lauer, Peter, Baumann, Robert, Franke, Klaus, Gurk, Christian, ...

Particle emissions from ship engines and their atmospheric transformation in the marine boundary layer (MBL) were investigated in engine test bed studies and in airborne measurements of expanding...

The ABC-Pyramid Atmospheric Research Observatory in Himalaya for aerosol, ozone and halocarbon measurements (2008)

Bonasoni, Paolo, Laj, Paolo, Angelini, Federico, Arduini, Jgor, Bonafe, U., Calzolari, Francescopiero, ...

In this work we present the new ABC-Pyramid Atmospheric Research observatory (Nepal, 27.95 N, 86.82 E) located in the Himalayas, specifically in the Khumbu valley at 5079 m a.s.l. This measurement...

Intercomparison of Measurement Techniques for Black or Elemental Carbon Under Urban Background Conditions in Wintertime: Influence of Biomass Combustion (2008)

Reisinger, Peter, Wonaschutz, Anna, Hitzenberger, Regina, Petzold, Andreas, Bauer, Heidi, Jankowski, Nicole, ...

A generally accepted method to measure black carbon (BC) or elemental carbon (EC) still does not exist. An earlier study in the Vienna area comparing practically all measurement methods in use in...

SOOTCERT: Measurement of soot particles with state-of-the-art methods as a basis for a new certification approach (2008)

Petzold, Andreas, Hotes, Andreas, Radig, Anders

The emission of particulate matter from aircraft engines, their potential impacts on Earth’s climate and human health, and state-of-the-art methods for measuring particulate matter in aircraft...

Synergetic retrieval of aerosol properties: from ERS to ENVISAT, paper presented at ERS-ENVISATSymposium, Eur. Space Agency (2007)

Marion Schroedter, Peter Wendling, Gerhard Gesell, Christoph Kiemle, Andreas Petzold, Markus Fiebig, ...

At the German Remote Sensing Data Center (DFD) of the German Aerospace Center (DLR) the new synergetic aerosol retrieval method SYNAER which exploits GOME and ATSR-2 data was developed. SYNAER...

Aircraft-based Trace Gas Measurements in a Primary European Ship Corridor (2007)

Schlager, Hans, Baumann, Robert, Lichtenstern, Michael, Petzold, Andreas, Arnold, Frank, Speidel, M., ...

Aircraft measurements of gaseous ship emissions were performed in the vicinity of the heavily travelled ship lanes through the English Channel and in the exhaust trail of a major seagoing container...

Particle Emissions from Ship Engines: Emission Properties and Transformation in the Marine Boundary Layer (2007)

Petzold, Andreas, Weinzierl, Bernadett, Fiebig, Markus, Lichtenstern, Michael, Lauer, Peter, Gurk, Christian, ...

In the framework of a combined effort ship emission studies were conducted in 2004. Detailed aerosol microphysics and chemistry was measured in the raw exhaust gas of a single-cylinder test bed...

Airborne measurements of tropospheric aerosol up to 12 km over West Africa during the monsoon season in August 2006 (2007)

Hamburger, Thomas, Minikin, Andreas, Schlager, Hans, Virkkula, Aki, Fiebig, Markus, Petzold, Andreas

The German DLR Falcon 20 (D-F20) was successfully deployed during the monsoon season (AMMA SOP2a) from August 1 until August 18, 2006, in Ouagadougou (Burkina Faso) with a scientific payload...

An Inter-Comparison of Instruments Measuring Black Carbon Content of Soot Particles (2007)

Slowik, Jay G., Cross, Eben S., Han, Jeong-Ho, Davidovits, Paul, Onasch, Timothy B., Jayne, John T., ...

Inter-comparison studies of well-characterized fractal soot particles were conducted using the following four instruments: Aerosol Mass Spectrometer-Scanning Mobility Particle Sizer (AMS-SMPS),...

Scavenging of black carbon in mixed phase clouds at the high alpine site Jungfraujoch (2007)

Cozic, Julie, Verheggen, Bart, Mertes, Stephan, Connolly, Paul, Bower, Keith, Petzold, Andreas, ...

The scavenging of black carbon (BC) in liquid and mixed phase clouds was investigated during intensive experiments in winter 2004, summer 2004 and winter 2005 at the high alpine research station...

Dust Particle Properties from Airborne HSRL, Ground-based Raman Lidar and in situ Observations (2007)

Petzold, Andreas, Weinzierl, Bernadett, Esselborn, Michael, Ehret, Gerhard, Fiebig, Markus, Fix, Andreas, ...

The Saharan Mineral Dust Experiment (SAMUM) is an initiative of several German universities and research establishments. Its goal is the characterisation of optical, physical, chemical, and radiative...

Intercomparison of Thermal and Optical Measurement Methods for Elemental Carbon and Black Carbon at an Urban Location (2006)

Hitzenberger, Regina, Petzold, Andreas, Bauer, Heidi, Ctyroky, Peter, Pouresmaeil, P., Laskus, L., ...

Despite intensive efforts during the past 20 years, no generally accepted standard method exists to measure black carbon (BC) or elemental carbon (EC). Data on BC and EC concentrations are method...

Inverse Methods: a Powerful Tool for Evaluating Aerosol Data, Exemplified on Cases With Relevance for the Atmosphere and the Aerosol Climate Effect (2006)

Fiebig, Markus, Ogren, John A., Petzold, Andreas

For a complete description of a given aerosol, more than one parameter is necessary, e.g. parameters concerning size distribution, chemical composition, and particle morphology. On the other hand,...

Properties of Aged Forest Fire Plumes after Intercontinental Transport across the Atlantic Ocean (2006)

Weinzierl, Bernadett, Petzold, Andreas, Fiebig, Markus, Huntrieser, Heidi, Minikin, Andreas, Stohl, Andreas, ...

In summer 2004 the long-range transport of particles emitted from large forest fires in Canada and Alaska contributed significantly to the aerosol loading of the free troposphere over Europe ....

Particle Emissions from Ship Engines: Emission Properties and Transformation in the Marine Boundary Layer (2006)

Petzold, Andreas, Weinzierl, Bernadett, Feibig, Markus, Lichtenstern, Michael, Lauer, Peter, Gurk, Christian, ...

In the framework of a combined effort ship emission studies were conducted in 2004 as part of the European Integrated Project HERCULES . Detailed aerosol microphysics and chemistry was measured in...

Aerosol-Cloud Interactions in the Lower Free Troposphere as Measured at the High Alpine Research Station Jungfraujoch in Switzerland (2006)

Weingartner, Ernest, Verheggen, Bart, Cozic, Julie, Gysel, Martin, Sjorgen, Staffan, Duplissy, Jonathan, ...

Within the WMO Global Atmosphere Watch (GAW) program continuous measurements of aerosol parameters have been performed at the Jungfraujoch high Alpine site since 1988. This measurement site is...

Black Carbon Contribution to the Aerosol Phase and its Scavenged Fraction in Mixed Phase Clouds at the High Alpine Site Jungfraujoch (3580m asl) (2006)

Cozic, Julie, Verheggen, Bart, Mertes, Stefan, Flynn, Michael, Connolly, Paul, Bower, Keith N., ...

The mass fraction of black carbon (BC) in the atmospheric aerosol and its mixing state are important for the direct aerosol climate effect. These properties also determine if BC is incorporated into...

Measurement of ultrafine aerosol size distributions by a combination of diffusion screen separators and condensation particle counters (2006)

Feldpausch, Philipp, Fiebig, Markus, Fritzsche, Lutz, Petzold, Andreas

The quasi-real-time measurement of ultrafine aerosol size distributions by a combination of a diffusion screen separator (DS), which is similar to a single stage of a screen-type diffusion battery,...

Method of optically measuring black carbon in the atmosphere and apparatus for carrying out the method (2006)

Petzold, Andreas, Schönlinner, Markus

For optically measuring black carbon in the atmosphere an aerosol particle collection area of a filter tape is continually illuminated by an illumination source with light of one or more wavelengths....

Properties of forest fire aerosols after transformation processes during long-range transport across the Atlantic Ocean (2006)

Weinzierl, Bernadett, Petzold, Andreas, Huntrieser, Heidi, Fiebig, Markus, Stohl, Andreas, Minkin, Andreas, ...

As part of the International Consortium for Atmospheric Research on Transport and Transformation (ICARTT) study in summer 2004, a field experiment on the Intercontinental Transport of Ozone and...

Aircraft-based operation of an aerosol mass spectrometer: Measurements of tropospheric aerosol composition (2006)

Schneider, Johannes, Hings, Silke S., Nele Hock, B., Weimer, Silke, Borrmann, Stephan, Fiebig, Markus, ...

The Aerodyne quadrupole aerosol mass spectrometer was deployed on the Falcon twin jet research aircraft operated by Deutsches Zentrum für Luft- und Raumfahrt (DLR). This was the first deployment of...

Microphysical and optical properties of midlatitudes cirrus clouds observed in the southern hemisphere during INCA (2006)

Gayet, Jean-Francois, Shcherbakov, Valery, Mannstein, Hermann, Minikin, Andreas, Schumann, Ulrich, Ström, Johan, ...

Airborne microphysical and optical properties of cirrus clouds, jet-stream and wave clouds were measured at temperatures ranging from -25°C to -62°C in the southern hemisphere from Punta Arenas...

Microphysical and optical properties of midlatitude cirrus clouds observed in the southern hemisphere during INCA (2006)

Gayet, Jean-Francois, Shcherbakov, Valery, Mannstein, Hermann, Minikin, Andreas, Schumann, Ulrich, Ström, Johan, ...

Airborne microphysical and optical properties of cirrus clouds, jet-stream and wave clouds were measured at temperatures ranging from −25° C to −62° C in the southern hemisphere from Punta...

Comparison of Continuous and Filter-Based Carbon Measurements at the Fresno Supersite (2006)

Park, Kihong, Chow, Judith C., Watson, John G., Trimble, Dana L., Doraiswamy, Prakash, Arnott, W. Pat, ...

Results from six continuous and semicontinuous black carbon (BC) and elemental carbon (EC) measurement methods are compared for ambient samples collected from December 2003 through November 2004 at...

Combining aerosol lidar and in-situ methods for the validation of current and future satellite-borne aerosol instruments: Lessons learned from LACE 98, ITOP 2004 and SAMUM 2006 (2006)

Petzold, Andreas, Ehret, Gerhard, Esselborn, Miachel, Fiebig, Markus, Fix, Andreas, Kiemle, Christoph, ...

The Institute of Atmospheric Physics of DLR has participated in recent years in several field experiments on the vertical aerosol distribution, aerosol radiative effects and long-range transport of...

Particle Emissions from Aviation: Microphysics, Chemistry, and Climate Impact (2006)

Petzold, Andreas

The physical and chemical properties of particles emitted from aviation were identified under cruise altitude conditions and with more detailed methods during ground-test studies. The quantification...

On the Effects of Organic Matter and Sulphur-containing Compounds on the CCN Activation of Combustion Particles (2005)

Petzold, Andreas, Gysel, Martin, Vancassel, Xavier, Hitzenberger, Regina, Puxbaum, Hans, Vrochticky, Susanne, ...

The European PartEmis project (Measurement and prediction of emissions of aerosols and gaseous precursors from gas turbine engines) was focussed on the characterisation and quantification of exhaust...

Inversion of data containing information on the aerosol particle size distribution using multiple instruments (2005)

Fiebig, Markus, Stein, Claudia, Schröder, Franz, Feldpausch, Philipp, Petzold, Andreas

An algorithm for inversion of data containing information on particle size distributions is presented that is designed to be true to the input data, does not need an initial guess, does not assume a...

Experimental studies on long-range transport of aerosols in the troposphere (2005)

Weinzierl, Bernadett, Petzold, Andreas, Fiebig, Markus, Minikin, Andreas

The presented work focuses on the experimental investigation of atmospheric aerosols of various origins. Main objectives are the characterisation of aerosols and their impact on climate. The first...

Particle emissions from aircraft engines: Results from the European project PartEmis (2005)

Petzold, Andreas, Wilson, Chris W.

An overview of the goals and achievements of the European PartEmis project (Measurement and prediction of emissions of aerosols and gaseous precursors from gas turbine engines,) is presented....

Environmental Compatible Air Transport System (2005)

Matthes, Sigrun, Petzold, Andreas, ECATS Consortium

ECATS (http://www.pa.op.dlr.de/ecats/) is a new Network of Excellence funded by the European Commission as part of its 6th research framework programme. The partners of ECATS jointly focus their...

Competing Effects of Organic Matter and Sulphur Species on the CCN activation of combustion aerosol particles - Results from the PartEmis Experiment (2005)

Petzold, Andreas, Hitzenberger, Regina, Puxbaum, Hans, Gysel, Martin, Baltensperger, Urs, Vancassel, Xavier

During the European PartEmis project (Measurement and prediction of emissions of aerosols and gaseous precursors from gas turbine engines) which was focussed on the characterisation and...

Properties of aged forest fire plumes after intercontinental transport across the Atlantic Ocean (2005)

Petzold, Andreas, Weinzierl, Bernadett, Feldpausch, Philipp, Huntrieser, Heidi, Fiebig, Markus, Minikin, Andreas, ...

During the ICARTT study in summer 2004, measurements on the intercontinental transport of aerosols from biogenic and anthropogenic origin were performed at the European west coast as a part of the...

Particle Emissions from Aircraft Engines–A Survey of the European Project PartEmis (2005)

Petzold, Andreas, Fiebig, Markus, Fritzsche, Lutz, Stein, Claudia, Schumann, Ulrich, Wilson, Chris W., ...

An overview of the goals and achievements of the European PartEmis project (Measurement and prediction of emissions of aerosols and gaseous precursors from gas turbine engines) is presented. PartEmis...

Aviation particle emissions and airport air quality (2005)

Petzold, Andreas

The presentation introduced basic aerosol properties relevant for human health aspects. Physico-chemical properties of particles emitted from aircraft engines were presented, using data from recent...

Measurement of Wavelength-Resolved Light Absorption by Aerosols Utilizing a UV-VIS Extinction Cell (2005)

Schnaiter, Martin, Schmid, Otmar, Petzold, Andreas, Fritzsche, Lutz, Klein, Karl-Friedrich, Andreae, Meinrat O., ...

The principle, technical details, and performance of the long path extinction spectrometer (LOPES), a new folded-path extinction cell with a spectral range from the mid-UV (200 nm) to the near...

The Reno Aerosol Optics Study: An evaluation of aerosol absorption measurement methods (2005)

Sheridan, Patrick J., Arnott, W. Patrick, Ogren, John A., Andrews, Elisabeth, Atkinson, Dean B., Covert, David S., ...

The Reno Aerosol Optics Study (RAOS) was designed and conducted to compare the performance of many existing and new instruments for the in situ measurement of aerosol optical properties with a focus...

Gene Content and Virtual Gene Order of Barley Chromosome 1H1[C][W][OA]

Mayer, Klaus F.X., Taudien, Stefan, Martis, Mihaela, Šimková, Hana, Suchánková, Pavla, Gundlach, Heidrun, ...

Chromosome 1H (approximately 622 Mb) of barley (Hordeum vulgare) was isolated by flow sorting and shotgun sequenced by GSFLX pyrosequencing to 1.3-fold coverage. Fluorescence in situ hybridization...