W. R. Simpson

Publication List Details

Period

1984 - 2009

Number

44

Co-Authors

Acetaldehyde in the Alaskan subarctic snow pack (2009)

F. Domine, S. Houdier, W. R. Simpson

Acetaldehyde is a reactive intermediate in hydrocarbon oxidation. It is both emitted and taken up by snowpacks and photochemical and physical processes are probably involved. Understanding the...

Snow physics as relevant to snow photochemistry (2008)

Domine, F., Albert, M., Huthwelker, T., Kokhanovsky, A. A., Lehning, M., ...

Snow on the ground is a complex multiphase photochemical reactor that dramatically modifies the chemical composition of the overlying atmosphere. A quantitative description of the emissions of...

Snow physics as relevant to snow photochemistry (2008)

Domine, F., Albert, M., Huthwelker, T., Kokhanovsky, A. A., Lehning, M., ...

Snow on the ground is a complex multiphase photochemical reactor that dramatically modifies the chemical composition of the overlying atmosphere. A quantitative description of the emissions of...

Snow physics as relevant to snow photochemistry (2008)

F. Domine, M. Albert, T. Huthwelker, A. A. Kokhanovsky, M. Lehning, ...

Snow on the ground is a complex multiphase photochemical reactor that dramatically modifies the chemical composition of the overlying atmosphere. A quantitative description of the emissions of...

The role of ice in N<sub>2</sub>O<sub>5</sub> heterogeneous hydrolysis at high latitudes (2008)

R. L. Apodaca, D. M. Huff, W. R. Simpson

We report evidence for ice catalyzing N<sub>2</sub>O<sub>5</sub> heterogeneous hydrolysis from a study conducted near Fairbanks, Alaska in November 2007. Mixing ratios of...

The role of ice in N2O5 heterogeneous hydrolysis at high latitudes (2008)

R. L. Apodaca, D. M. Huff, W. R. Simpson

We report evidence for ice catalyzing N2O5 heterogeneous hydrolysis from a study conducted near Fairbanks, Alaska in November 2007. Mixing ratios of N2O5, NO, NO2, and ozone are reported and are used...

The role of ice in N<sub>2</sub>O<sub>5</sub> heterogeneous hydrolysis at high latitudes (2008)

R. L. Apodaca, D. M. Huff, W. R. Simpson

We report evidence for ice catalyzing N<sub>2</sub>O<sub>5</sub> heterogeneous hydrolysis from a study conducted near Fairbanks, AK in November 2007. Mixing ratios of...

The role of ice in N2O5 heterogeneous hydrolysis at high latitudes (2008)

R. L. Apodaca, D. M. Huff, W. R. Simpson

We report evidence for ice catalyzing N2O5 heterogeneous hydrolysis from a study conducted near Fairbanks, AK in November 2007. Mixing ratios of N2O5, NO, NO2, and ozone are reported and are used to...

An overview of snow photochemistry: evidence, mechanisms and impacts (2007)

Grannas, A. M., Jones, A. E., Dibb, J., Ammann, M., Anastasio, C., Beine, H. J., ...

It has been shown that sunlit snow and ice plays an important role in processing atmospheric species. Photochemical production of a variety of chemicals has recently been reported to occur in...

An overview of snow photochemistry: evidence, mechanisms and impacts (2007)

Grannas, A. M., Jones, A. E., Dibb, J., Ammann, M., Anastasio, C., Beine, H. J., ...

It has been shown that sunlit snow and ice plays an important role in processing atmospheric species. Photochemical production of a variety of chemicals has recently been reported to occur in...

First-year sea-ice contact predicts bromine monoxide (BrO) levels at Barrow, Alaska better than potential frost flower contact (2007)

W. R. Simpson, D. Carlson, G. Hönninger, T. A. Douglas, M. Sturm, D. Perovich, ...

Reactive halogens are responsible for boundary-layer ozone depletion and mercury deposition in Polar Regions during springtime. To investigate the source of reactive halogens in the air arriving at...

Halogens and their role in polar boundary-layer ozone depletion (2007)

Simpson, W. R., Von Glasow, R., Riedel, K., Anderson, P., Ariya, P., Bottenheim, J., ...

During springtime in the polar regions, unique photochemistry converts inert halide salts ions (e.g. Br?) into reactive halogen species (e.g. Br atoms and BrO) that deplete ozone in the boundary...

Halogens and their role in polar boundary-layer ozone depletion (2007)

Simpson, W. R., Von Glasow, R., Riedel, K., Anderson, P., Ariya, P., Bottenheim, J., ...

During springtime in the polar regions, unique photochemistry converts inert halide salt ions (e.g. Br?) into reactive halogen species (e.g. Br atoms and BrO) that deplete ozone in the boundary layer...

First-year sea-ice contact predicts bromine monoxide (BrO) levels at Barrow, Alaska better than potential frost flower contact (2007)

Simpson, W. R., Carlson, D., Hönninger, G., Douglas, T. A., Sturm, M., Perovich, D., ...

Reactive halogens are responsible for boundary-layer ozone depletion and mercury deposition in Polar Regions during springtime. To investigate the source of reactive halogens in the air arriving at...

Halogens and their role in polar boundary-layer ozone depletion (2007)

Simpson, W. R., Von Glasow, R., Riedel, K., Anderson, P., Ariya, P., Bottenheim, J., ...

During springtime in the polar regions, unique photochemistry converts inert halide salts ions (e.g. Br?) into reactive halogen species (e.g. Br atoms and BrO) that deplete ozone in the boundary...

Halogens and their role in polar boundary-layer ozone depletion (2007)

Simpson, W. R., Von Glasow, R., Riedel, K., Anderson, P., Ariya, P., Bottenheim, J., ...

During springtime in the polar regions, unique photochemistry converts inert halide salt ions (e.g. Br?) into reactive halogen species (e.g. Br atoms and BrO) that deplete ozone in the boundary layer...

First-year sea-ice contact predicts bromine monoxide (BrO) levels at Barrow, Alaska better than potential frost flower contact (2007)

Simpson, W. R., Carlson, D., Hönninger, G., Douglas, T. A., Sturm, M., Perovich, D., ...

Reactive halogens are responsible for boundary-layer ozone depletion and mercury deposition in Polar Regions during springtime. To investigate the source of reactive halogens in the air arriving at...

An overview of snow photochemistry: evidence, mechanisms and impacts (2007)

Grannas, A. M., Jones, A. E., Dibb, J., Ammann, M., Anastasio, C., Beine, H. J., ...

It has been shown that sunlit snow and ice plays an important role in processing atmospheric species. Photochemical production of a variety of chemicals has recently been reported to occur in...

Snow physics as relevant to snow photochemistry (2007)

Domine, F., Albert, M., Huthwelker, T., Kokhanovsky, A. A., Lehning, M., ...

Snow on the ground is a complex multiphase photochemical reactor that dramatically modifies the chemical composition of the overlying atmosphere. A quantitative description of the emissions of...

An overview of snow photochemistry: evidence, mechanisms and impacts (2007)

Grannas, A. M., Jones, A. E., Dibb, J., Ammann, M., Anastasio, C., Beine, H. J., ...

It has been shown that sunlit snow and ice plays an important role in processing atmospheric species. Photochemical production of a variety of chemicals has recently been reported to occur in...

An overview of snow photochemistry: evidence, mechanisms and impacts (2007)

Grannas, A. M., Jones, A. E., Dibb, J., Ammann, M., Anastasio, C., Beine, H. J., ...

It has been shown that sunlit snow and ice plays an important role in processing atmospheric species. Photochemical production of a variety of chemicals has recently been reported to occur in...

Snow physics as relevant to snow photochemistry (2007)

Domine, F., Albert, M., Huthwelker, T., Kokhanovsky, A. A., Lehning, M., ...

Snow on the ground is a complex multiphase photochemical reactor that dramatically modifies the chemical composition of the overlying atmosphere. A quantitative description of the emissions of...

An overview of snow photochemistry: evidence, mechanisms and impacts (2007)

Grannas, A. M., Jones, A. E., Dibb, J., Ammann, M., Anastasio, C., Beine, H. J., ...

It has been shown that sunlit snow and ice plays an important role in processing atmospheric species. Photochemical production of a variety of chemicals has recently been reported to occur in...

An overview of snow photochemistry: evidence, mechanisms and impacts (2007)

A. M. Grannas, A. E. Jones, J. Dibb, M. Ammann, C. Anastasio, H. J. Beine, ...

It has been shown that sunlit snow and ice plays an important role in processing atmospheric species. Photochemical production of a variety of chemicals has recently been reported to occur in...

Halogens and their role in polar boundary-layer ozone depletion (2007)

W. R. Simpson, R. Von Glasow, K. Riedel, P. Anderson, P. Ariya, J. Bottenheim, ...

During springtime in the polar regions, unique photochemistry converts inert halide salt ions (e.g. Br<sup>−</sup>) into reactive halogen species (e.g. Br atoms and BrO) that...

An overview of snow photochemistry: evidence, mechanisms and impacts (2007)

A. M. Grannas, A. E. Jones, J. Dibb, M. Ammann, C. Anastasio, H. J. Beine, ...

It has been shown that sunlit snow and ice plays an important role in processing atmospheric species. Photochemical production of a variety of chemicals has recently been reported to occur in...

Halogens and their role in polar boundary-layer ozone depletion (2007)

W. R. Simpson, R. Von Glasow, K. Riedel, P. Anderson, P. Ariya, J. Bottenheim, ...

During springtime in the polar regions, unique photochemistry converts inert halide salts ions (e.g. Br<sup>−</sup>) into reactive halogen species (e.g. Br atoms and BrO) that...

Snow physics as relevant to snow photochemistry (2007)

F. Domine, M. Albert, T. Huthwelker, A. A. Kokhanovsky, M. Lehning, ...

Snow on the ground is a complex multiphase photochemical reactor that dramatically modifies the chemical composition of the overlying atmosphere. A quantitative description of the emissions of...

Evolution of the Snow Area Index of the Subarctic Snowpack in Central Alaska over a Whole Season. Consequences for the Air to Snow Transfer of Pollutants (2006)

Taillandier, A.S., Domine, F., Simpson, W.R., Sturm, M., Douglas, T.A., Severin, K

The detailed physical characteristics of the subarctic snowpack must be known to quantify the exchange of adsorbed pollutants between the atmosphere and the snow cover. For the first time, the...

First-year sea-ice contact predicts bromine monoxide (BrO) levels better than potential frost flower contact (2006)

Simpson, W. R., Carlson, D., Hoenninger, G., Douglas, T. A., Sturm, M., Perovich, D., ...

Reactive halogens are responsible for boundary-layer ozone depletion and mercury deposition in Polar Regions during springtime. To investigate the source of reactive halogens in the air arriving at...

First-year sea-ice contact predicts bromine monoxide (BrO) levels better than potential frost flower contact (2006)

Simpson, W. R., Carlson, D., Hoenninger, G., Douglas, T. A., Sturm, M., Perovich, D., ...

Reactive halogens are responsible for boundary-layer ozone depletion and mercury deposition in Polar Regions during springtime. To investigate the source of reactive halogens in the air arriving at...

First-year sea-ice contact predicts bromine monoxide (BrO) levels better than potential frost flower contact (2006)

W. R. Simpson, D. Carlson, G. Hoenninger, T. A. Douglas, M. Sturm, D. Perovich, ...

Reactive halogens are responsible for boundary-layer ozone depletion and mercury deposition in Polar Regions during springtime. To investigate the source of reactive halogens in the air arriving at...

The Numerical Analysis of Air Combat Engagements Dominated by Maneuvering Performance. (2002)

Simpson,W. R., Oberle,R. A.

An analysis capability has been developed for use by the training and 'test and evaluation' communities to quantify air combat maneuvering engagement outcomes. Details of this analysis capability in...

Navy Evaluation of F-11A In-Flight Thrust Control System. (1998)

Simpson,W. R., Covey,M. W., Palmer,D. F., Hewett,M. D.

A Navy evaluation to determine the potential advantages and disadvantages of in-flight thrust control (IFTC) on a tactical airplane was conducted using a modified F-11A airplane as a testbed. The...

Automatic Carrier Landing System (ACLS) Category III Certification Manual. (1998)

Schust,A. P., Young,P. N., Simpson,W. R.

The purpose of this Automatic Carrier Landing System (ACLS) Certification Manual is to give information and guidance for the proper conduct of an ACLS certification. Information contained herein is a...

Seeker Testing and Facility Improvements in the AEDC 7V Sensor Chamber, (1997)

Simpson, W. R., Nicholson, R. A.

An advanced seeker test facility at the Air Force's Arnold Engineering Development Center (AEDC) has been used for the past two years for calibration and performance characterization of infrared...