N
Nickolay A. Krotkov
Researcher at Goddard Space Flight Center
Publications - 237
Citations - 13636
Nickolay A. Krotkov is an academic researcher from Goddard Space Flight Center. The author has contributed to research in topics: Ozone Monitoring Instrument & Total Ozone Mapping Spectrometer. The author has an hindex of 63, co-authored 219 publications receiving 11250 citations. Previous affiliations of Nickolay A. Krotkov include University of Baltimore & Raytheon.
Papers
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Proceedings ArticleDOI
Comparisons between ground measurements of UV irradiance 290 to 380nm and TOMS UV estimates over Moscow for 1979-2000
TL;DR: In this paper, a comparison between ground-based measurements of UV irradiance less 380 nm and satellite UV retrievals within the whole period of TOMS measurements (1979-2000) over Moscow is presented.
Journal ArticleDOI
Influence of Desert Dust Intrusions on Ground-based and Satellite Derived Ultraviolet Irradiance in Southeastern Spain
Manuel Antón,A. Valenzuela,Roberto Román,Hassan Lyamani,Nickolay A. Krotkov,Antti Arola,F.J. Olmo,Lucas Alados-Arboledas +7 more
TL;DR: In this paper, the effects of desert dust on surface UV erythemal irradiance (UVER), as measured by a ground-based broadband UV radiometer and retrieved from the satellite Ozone Monitoring Instrument (OMI) at Granada (southern Spain) from January 2006 to December 2010, were evaluated.
Journal ArticleDOI
Global distribution and 14-year changes in erythemal irradiance, UV atmospheric transmission, and total column ozone for2005–2018 estimated from OMI and EPIC observations
Jay R. Herman,Alexander Cede,Liang Huang,Jerald R. Ziemke,Omar Torres,Nickolay A. Krotkov,Matthew G. Kowalewski,Karin Blank +7 more
TL;DR: In this paper, satellite data from the Ozone Measuring Instrument (OMI) and Earth polychromatic imaging camera (EPIC) are used to study long-term changes and global distribution of UV erythemal irradiance E ( ζ, φ, z, t ) and the dimensionless UV index E ∕ ǫ(25mWmWǫ −2 ) over major continents as a function of latitude ζ, longitude φ, altitude z, and time t.
Posted ContentDOI
Explicit and consistent aerosol correction for visible wavelength satellite cloud and nitrogen dioxide retrievals based on optical properties from a global aerosol analysis
Alexander Vasilkov,Nickolay A. Krotkov,Eun-Su Yang,Lok N. Lamsal,Joanna Joiner,Patricia Castellanos,Zachary Fasnacht,Robert Spurr +7 more
TL;DR: In this article, an explicit and consistent aerosol correction for cloud and NO2 retrievals that are based on the mixed Lambertian-equivalent reflectivity (MLER) concept is discussed.
Proceedings ArticleDOI
Long-term UV irradiance changes over Moscow and comparisons with UV estimates from TOMS and METEOSAT
TL;DR: In this paper, the authors analyzed long-term variations of UV irradiance 300-380 nm over Moscow 55.7N, 37.5E since 1968 using a complex dataset that includes ground-based UV measurements, UV retrievals from two satellites, and the results of a previously developed empirical model.