Zobrazeno 1 - 10
of 53
pro vyhledávání: '"James F. Gleason"'
Autor:
J. Szykman, Randall V. Martin, Alexander Cede, James F. Gleason, Andrew J. Weinheimer, Lok N. Lamsal, K. E. Pickering, Eric Bucsela, Edward A. Celarier, Hitoshi Irie, Nickolay A. Krotkov, Sajeev Philip, William H. Swartz, Jay R. Herman, T. N. Knepp
Publikováno v:
Atmospheric Chemistry and Physics. 14:11587-11609
We assess the standard operational nitrogen dioxide (NO2) data product (OMNO2, version 2.1) retrieved from the Ozone Monitoring Instrument (OMI) onboard NASA's Aura satellite using a combination of aircraft and surface in~situ measurements as well as
Autor:
P. K. Bhartia, Nickolay A. Krotkov, K. F. Boersma, J. P. Veefkind, William H. Swartz, Lok N. Lamsal, Edward A. Celarier, Kenneth E. Pickering, James F. Gleason, Eric Bucsela
Publikováno v:
Atmospheric Measurement Techniques. 6:2607-2626
We describe a new algorithm for the retrieval of nitrogen dioxide (NO2) vertical columns from nadir-viewing satellite instruments. This algorithm (SP2) is the basis for the Version 2.1 OMI This algorithm (SP2) is the basis for the Version 2.1 Ozone M
Autor:
Sang-Hyun Lee, Eric J. Williams, Jeff Peischl, Gregory J. Frost, Jerome Brioude, Johan Mellqvist, Carsten Warneke, K. F. Boersma, James Walega, Laura Bianco, Dirk Richter, Stuart A. McKeen, Elliot Atlas, John P. Burrows, S. te Lintel Hekkert, T. B. Ryerson, Andreas Richter, Si-Wan Kim, Alan Fried, Petter Weibring, Andreas Hilboll, Wayne M. Angevine, Claudia Rivera, J. A. de Gouw, James F. Gleason, Michael Trainer
Publikováno v:
Atmospheric Chemistry and Physics. 11:11361-11386
Satellite and aircraft observations made during the 2006 Texas Air Quality Study (TexAQS) detected strong urban, industrial and power plant plumes in Texas. We simulated these plumes using the Weather Research and Forecasting-Chemistry (WRF-Chem) mod
Autor:
Eric Bucsela, Andreas Richter, Anne E. Perring, Hester Volten, Ronald C. Cohen, O. W. Ibrahim, Michel Van Roozendael, R. Dirksen, J. C. Hains, Daan Swart, J. Pepijn Veefkind, K. Folkert Boersma, Pieternel F. Levelt, James F. Gleason, Gaia Pinardi, Thomas Wagner, M. Kroon, Folkard Wittrock, Anja Schoenhardt
Publikováno v:
Journal of Geophysical Research. D, Atmospheres, 115:D05301, D05301-1/20. Wiley-Blackwell
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We present a sensitivity analysis of the tropospheric NO2 retrieval from the Ozone Monitoring Instrument (OMI) using measurements from the Dutch Aerosol and Nitrogen Dioxide Experiments for Validation of OMI and SCIAMACHY (DANDELIONS) and Intercontin
Publikováno v:
SOLA. 5:117-120
In the period from June 2006 to December 2008, we measured the tropospheric nitrogen dioxide (NO2) column by ground-based Multi-Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) at an urban site in China (Tai’an) and three sites in Japan
Autor:
Z.G. Wang, Yugo Kanaya, Eric Bucsela, James F. Gleason, Hitoshi Irie, Hajime Akimoto, Hiroshi Tanimoto
Publikováno v:
Atmospheric Chemistry and Physics. 8:6577-6586
A challenge for the quantitative analysis of tropospheric nitrogen dioxide (NO2) column data from satellite observations is posed partly by the lack of satellite-independent observations for validation. We performed such observations of the troposphe
Autor:
K. F. Boersma, Maarten Sneep, James F. Gleason, E. J. Brinksma, Henk Eskes, J. P. Veefkind, Eric Bucsela, G. H. J. van den Oord, Piet Stammes, Pieternel F. Levelt
Publikováno v:
Atmospheric Chemistry and Physics. 7:2103-2118
We present a new algorithm for the near-real time retrieval ? within 3 h of the actual satellite measurement ? of tropospheric NO2 columns from the Ozone Monitoring Instrument (OMI). The retrieval system is based on the combined retrieval-assimilatio
Autor:
Mark Wenig, Edward A. Celarier, James F. Gleason, K.F. Boersma, J.P. Veefkind, E. Brinksma, Eric Bucsela
Publikováno v:
IEEE Transactions on Geoscience and Remote Sensing. 44:1245-1258
We describe the operational algorithm for the retrieval of stratospheric, tropospheric, and total column densities of nitrogen dioxide (NO/sub 2/) from earthshine radiances measured by the Ozone Monitoring Instrument (OMI), aboard the EOS-Aura satell
Publikováno v:
Journal of Geophysical Research: Atmospheres. 105:17875-17894
We investigate the effectiveness of trajectory mapping (TM) as a data validation tool. TM combines a dynamical model of the atmosphere with trace gas observations to provide more statistically robust estimates of instrument performance over much broa
Autor:
Howard K. Roscoe, K. Karlsen Tornkvist, Jean-Pierre Pommereau, Jean-Christopher Lambert, Signe B. Andersen, Alain Sarkissian, Valery Dorokhov, Paul C. Simon, M. De Mazière, Gennadi Milinevsky, Esko Kyrö, D.W. Arlander, J. de La Noë, Jean Leveau, M. Van Roozendael, B. A. Kastad Hoiskar, J. Stähelin, N.A. Bui Van, Aidan Green, P. Eriksen, James F. Gleason, C. Wahlstrøm Tellefsen, Hans Claude, M.-F. Merienne, Jonathan Shanklin, Geraint Vaughan, Florence Goutail
Publikováno v:
Advances in Space Research. 26:1931-1940
Several years of total ozone measured from space by the ERS-2 GOME, the Earth Probe TOMS, and the ADEOS TOMS, are compared with high-quality ground-based observations associated with the Network for the Detection of Stratospheric Change (NDSC), over