Zobrazeno 1 - 10
of 109
pro vyhledávání: '"J T, Sullivan"'
Autor:
X. Liu, Y. Wang, S. Wasti, W. Li, E. Soleimanian, J. Flynn, T. Griggs, S. Alvarez, J. T. Sullivan, M. Roots, L. Twigg, G. Gronoff, T. Berkoff, P. Walter, M. Estes, J. W. Hair, T. Shingler, A. J. Scarino, M. Fenn, L. Judd
Publikováno v:
Geoscientific Model Development, Vol 16, Pp 5493-5514 (2023)
The TRacking Aerosol Convection ExpeRiment – Air Quality (TRACER-AQ) campaign probed Houston air quality with a comprehensive suite of ground-based and airborne remote sensing measurements during the intensive operating period in September 2021. Tw
Externí odkaz:
https://doaj.org/article/bb8bcb30a0c64f9994420ff5eff6760d
Autor:
C. Bernier, Y. Wang, G. Gronoff, T. Berkoff, K. E. Knowland, J. T. Sullivan, R. Delgado, V. Caicedo, B. Carroll
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 15313-15331 (2022)
Coastal regions are susceptible to multiple complex dynamic and chemical mechanisms and emission sources that lead to frequently observed large tropospheric ozone variations. These large ozone variations occur on a mesoscale and have proven to be ard
Externí odkaz:
https://doaj.org/article/5c3ab7b22d614a4aa727e9d56c6c248d
Autor:
J. T. Sullivan, A. Apituley, N. Mettig, K. Kreher, K. E. Knowland, M. Allaart, A. Piters, M. Van Roozendael, P. Veefkind, J. R. Ziemke, N. Kramarova, M. Weber, A. Rozanov, L. Twigg, G. Sumnicht, T. J. McGee
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 11137-11153 (2022)
A TROPOspheric Monitoring Instrument (TROPOMI) validation campaign was held in the Netherlands based at the CESAR (Cabauw Experimental Site for Atmospheric Research) observatory during September 2019. The TROpomi vaLIdation eXperiment (TROLIX-19) con
Externí odkaz:
https://doaj.org/article/429ad739a24d4f8e915079bb0ffa4992
Autor:
J. Su, M. P. McCormick, M. S. Johnson, J. T. Sullivan, M. J. Newchurch, T. A. Berkoff, S. Kuang, G. P. Gronoff
Publikováno v:
Atmospheric Measurement Techniques, Vol 14, Pp 4069-4082 (2021)
The conventional two-wavelength differential absorption lidar (DIAL) has measured air pollutants such as nitrogen dioxide (NO2). However, high concentrations of aerosol within the planetary boundary layer (PBL) can cause significant retrieval errors
Externí odkaz:
https://doaj.org/article/49f7e80e7d174bb282b5c1f3e9164b5f
Autor:
R. Wing, S. Godin-Beekmann, W. Steinbrecht, T. J. McGee, J. T. Sullivan, S. Khaykin, G. Sumnicht, L. Twigg
Publikováno v:
Atmospheric Measurement Techniques, Vol 14, Pp 3773-3794 (2021)
A newly upgraded German Weather Service (DWD) ozone and temperature lidar (HOH) located at the Hohenpeißenberg Meteorological Observatory (47.8∘ N, 11.0∘ E) has been evaluated through comparison with the travelling standard lidar operated by NAS
Externí odkaz:
https://doaj.org/article/64f5b70a5826471da79993cc1793ff38
Autor:
D. Sanchez, R. Seco, D. Gu, A. Guenther, J. Mak, Y. Lee, D. Kim, J. Ahn, D. Blake, S. Herndon, D. Jeong, J. T. Sullivan, T. Mcgee, R. Park, S. Kim
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 6331-6345 (2021)
We report OH reactivity observations by a chemical ionization mass spectrometer–comparative reactivity method (CIMS-CRM) instrument in a suburban forest of the Seoul metropolitan area (SMA) during the Korea–United States Air Quality Study (KORUS-
Externí odkaz:
https://doaj.org/article/76e0d30fbf8e418da494e8d3ca06df5f
Autor:
S. Kuang, B. Wang, M. J. Newchurch, K. Knupp, P. Tucker, E. W. Eloranta, J. P. Garcia, I. Razenkov, J. T. Sullivan, T. A. Berkoff, G. Gronoff, L. Lei, C. J. Senff, A. O. Langford, T. Leblanc, V. Natraj
Publikováno v:
Atmospheric Measurement Techniques, Vol 13, Pp 5277-5292 (2020)
Aerosol retrieval using ozone lidars in the ultraviolet spectral region is challenging but necessary for correcting aerosol interference in ozone retrieval and for studying the ozone–aerosol correlations. This study describes the aerosol retrieval
Externí odkaz:
https://doaj.org/article/3406cac0a6e34a7aaf76608bba02af3f
Autor:
R. Wing, W. Steinbrecht, S. Godin-Beekmann, T. J. McGee, J. T. Sullivan, G. Sumnicht, G. Ancellet, A. Hauchecorne, S. Khaykin, P. Keckhut
Publikováno v:
Atmospheric Measurement Techniques, Vol 13, Pp 5621-5642 (2020)
A two-part intercomparison campaign was conducted at Observatoire de Haute-Provence (OHP) for the validation of lidar ozone and temperature profiles using the mobile NASA Stratospheric Ozone Lidar (NASA STROZ), satellite overpasses from the Microwave
Externí odkaz:
https://doaj.org/article/65b492082e9b4dc1b248d9a8f33af412
Autor:
D. Jeong, R. Seco, D. Gu, Y. Lee, B. A. Nault, C. J. Knote, T. Mcgee, J. T. Sullivan, J. L. Jimenez, P. Campuzano-Jost, D. R. Blake, D. Sanchez, A. B. Guenther, D. Tanner, L. G. Huey, R. Long, B. E. Anderson, S. R. Hall, K. Ullmann, H. Shin, S. C. Herndon, D. Kim, J. Ahn, S. Kim
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 12779-12795 (2019)
Nitryl chloride (ClNO2) is a radical reservoir species that releases chlorine radicals upon photolysis. An integrated analysis of the impact of ClNO2 on regional photochemistry in the Seoul metropolitan area (SMA) during the Korea–United States Air
Externí odkaz:
https://doaj.org/article/1d1a65077cb7456dac47ea300fe53a42
Autor:
J. T. Sullivan, T. J. McGee, R. M. Stauffer, A. M. Thompson, A. Weinheimer, C. Knote, S. Janz, A. Wisthaler, R. Long, J. Szykman, J. Park, Y. Lee, S. Kim, D. Jeong, D. Sanchez, L. Twigg, G. Sumnicht, T. Knepp, J. R. Schroeder
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 5051-5067 (2019)
During the May–June 2016 International Cooperative Air Quality Field Study in Korea (KORUS-AQ), light synoptic meteorological forcing facilitated Seoul metropolitan pollution outflow to reach the remote Taehwa Research Forest (TRF) site and cause r
Externí odkaz:
https://doaj.org/article/8b5d21dda44146b38e680034f53538f1