Canlyniadau Chwilio - W. R. Simpson

Acetaldehyde in the Alaskan subarctic snowpack gan F. Domine, S. Houdier, A.-S. Taillandier, W. R. Simpson

Cael y testun llawn

The role of ice in N₂O₅ heterogeneous hydrolysis at high latitudes gan W. R. Simpson, D. M. Huff, R. L. Apodaca

Cael y testun llawn

The fate of NO_x emissions due to nocturnal oxidation at high latitudes: 1-D simulations and sensitivity experiments gan P. L. Joyce, R. von Glasow, W. R. Simpson

Cael y testun llawn

A low power automated MAX-DOAS instrument for the Arctic and other remote unmanned locations gan D. Carlson, D. Donohoue, U. Platt, W. R. Simpson

Cael y testun llawn

Deposition of dinitrogen pentoxide, N₂O₅, to the snowpack at high latitudes gan W. R. Simpson, G. J. Fochesatto, P. L. Joyce, D. M. Huff

Cael y testun llawn

Simulation of the specific surface area of snow using a one-dimensional physical snowpack model: implementation and evaluation for subarctic snow in Alaska gan H.-W. Jacobi, F. Domine, W. R. Simpson, T. A. Douglas, M. Sturm

Cael y testun llawn

Snow physics as relevant to snow photochemistry gan F. Domine, M. Albert, T. Huthwelker, H.-W. Jacobi, A. A. Kokhanovsky, M. Lehning, G. Picard, W. R. Simpson

Cael y testun llawn

First-year sea-ice contact predicts bromine monoxide (BrO) levels at Barrow, Alaska better than potential frost flower contact gan W. R. Simpson, D. Carlson, G. Hönninger, G. Hönninger, G. Hönninger, T. A. Douglas, M. Sturm, D. Perovich, U. Platt

Cael y testun llawn

Dependence of the vertical distribution of bromine monoxide in the lower troposphere on meteorological factors such as wind speed and stability gan P. K. Peterson, W. R. Simpson, K. A. Pratt, P. B. Shepson, U. Frieß, J. Zielcke, U. Platt, S. J. Walsh, S. V. Nghiem

Cael y testun llawn

Horizontal and vertical structure of reactive bromine events probed by bromine monoxide MAX-DOAS gan W. R. Simpson, P. K. Peterson, U. Frieß, H. Sihler, J. Lampel, J. Lampel, U. Platt, C. Moore, K. Pratt, P. Shepson, J. Halfacre, J. Halfacre, S. V. Nghiem

Cael y testun llawn

The Heidelberg Airborne Imaging DOAS Instrument (HAIDI) – a novel imaging DOAS device for 2-D and 3-D imaging of trace gases and aerosols gan S. General, D. Pöhler, H. Sihler, N. Bobrowski, U. Frieß, J. Zielcke, M. Horbanski, P. B. Shepson, B. H. Stirm, W. R. Simpson, K. Weber, C. Fischer, U. Platt

Cael y testun llawn

Comparison of model and ground observations finds snowpack and blowing snow aerosols both contribute to Arctic tropospheric reactive bromine gan W. F. Swanson, C. D. Holmes, W. R. Simpson, K. Confer, L. Marelle, L. Marelle, J. L. Thomas, L. Jaeglé, B. Alexander, S. Zhai, Q. Chen, X. Wang, T. Sherwen, T. Sherwen

Cael y testun llawn

Tropospheric bromine monoxide vertical profiles retrieved across the Alaskan Arctic in springtime gan N. Brockway, P. K. Peterson, K. Bigge, K. D. Hajny, P. B. Shepson, P. B. Shepson, K. A. Pratt, J. D. Fuentes, T. Starn, R. Kaeser, B. H. Stirm, W. R. Simpson

Cael y testun llawn

Global retrieval of stratospheric and tropospheric BrO columns from the Ozone Mapping and Profiler Suite Nadir Mapper (OMPS-NM) on board the Suomi-NPP satellite gan H. Chong, G. González Abad, C. R. Nowlan, C. Chan Miller, C. Chan Miller, A. Saiz-Lopez, R. P. Fernandez, H.-A. Kwon, H.-A. Kwon, Z. Ayazpour, Z. Ayazpour, H. Wang, A. H. Souri, A. H. Souri, X. Liu, K. Chance, E. O'Sullivan, J. Kim, J.-H. Koo, W. R. Simpson, W. R. Simpson, F. Hendrick, R. Querel, G. Jaross, C. Seftor, C. Seftor, R. M. Suleiman

Cael y testun llawn

Temporal and spatial characteristics of ozone depletion events from measurements in the Arctic gan J. W. Halfacre, T. N. Knepp, P. B. Shepson, C. R. Thompson, K. A. Pratt, B. Li, P. K. Peterson, S. J. Walsh, W. R. Simpson, P. A. Matrai, J. W. Bottenheim, S. Netcheva, D. K. Perovich, A. Richter

Cael y testun llawn

Quality controls, bias, and seasonality of CO₂ columns in the boreal forest with Orbiting Carbon Observatory-2, Total Carbon Column Observing Network, and EM27/SUN measu... gan N. Jacobs, W. R. Simpson, D. Wunch, C. W. O'Dell, G. B. Osterman, F. Hase, T. Blumenstock, Q. Tu, M. Frey, M. Frey, M. K. Dubey, H. A. Parker, H. A. Parker, R. Kivi, P. Heikkinen

Cael y testun llawn

In situ vertical observations of the layered structure of air pollution in a continental high-latitude urban boundary layer during winter gan R. Pohorsky, A. Baccarini, A. Baccarini, N. Brett, B. Barret, S. Bekki, G. Pappaccogli, E. Dieudonné, B. Temime-Roussel, B. D'Anna, M. Cesler-Maloney, A. Donateo, S. Decesari, K. S. Law, W. R. Simpson, J. Fochesatto, S. R. Arnold, J. Schmale

Cael y testun llawn

Spatial distributions of <i>X</i>_CO₂ seasonal cycle amplitude and phase over northern high-latitude regions gan N. Jacobs, W. R. Simpson, K. A. Graham, C. Holmes, F. Hase, T. Blumenstock, Q. Tu, M. Frey, M. Frey, M. K. Dubey, H. A. Parker, H. A. Parker, D. Wunch, R. Kivi, P. Heikkinen, J. Notholt, C. Petri, T. Warneke

Cael y testun llawn

Surface distributions and vertical profiles of trace gases (CO, O₃, NO, NO₂) in the Arctic wintertime boundary layer using low-cost sensors during ALPACA-2022 gan B. Barret, P. Medina, N. Brett, R. Pohorsky, K. S. Law, S. Bekki, G. J. Fochesatto, J. Schmale, S. R. Arnold, A. Baccarini, M. Busetto, M. Cesler-Maloney, B. D'Anna, S. Decesari, J. Mao, G. Pappaccogli, J. Savarino, F. Scoto, W. R. Simpson

Cael y testun llawn

Source and variability of formaldehyde (HCHO) at northern high latitudes: an integrated satellite, aircraft, and model study gan T. Zhao, J. Mao, W. R. Simpson, I. De Smedt, L. Zhu, T. F. Hanisco, G. M. Wolfe, J. M. St. Clair, J. M. St. Clair, G. González Abad, C. R. Nowlan, B. Barletta, S. Meinardi, D. R. Blake, E. C. Apel, R. S. Hornbrook

Cael y testun llawn