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pro vyhledávání: '"Aleksandr M. Ignatov"'
Autor:
Travis M. Smith, Jeffrey R. Key, Satya Kalluri, Changyong Cao, Andrew K. Heidinger, Aleksandr M. Ignatov
Publikováno v:
Bulletin of the American Meteorological Society. 102:E351-E366
The Advanced Very High Resolution Radiometers (AVHRR), which have been flying on National Oceanic and Atmospheric Administration’s (NOAA) polar-orbiting weather satellites since 1978, provide the longest global record of Earth observations from a v
Publikováno v:
Advances in Space Research. 22:1591-1594
Climate studies require long-term sets of geographically referenced global land surface data to initialize and validate numerical models for analysis of complex interactions and feedbacks within the earth system /1/. Conventional ground observations
Autor:
Aleksandr M. Ignatov, Garik Gutman
Publikováno v:
Journal of Applied Meteorology. 34:2091-2097
Recently, a statistical procedure was proposed to analyze the angular effect in the NOAA Advanced Very High Resolution Radiometer (AVHRR) brightness temperatures. The estimated empirical angular functions (EAF) over the oceans allow one to check the
Publikováno v:
Remote Sensing of Environment. 50:134-148
A procedure for reducing cloud contamination in NOAA / AVHRR composite imagery is proposed and applied to the NOAA global vegetation index data set. The suggested approach is based on thresholding the AVHRR / Channel 4 (11 μm) brightness temperature
Autor:
Larry L. Stowe, Sergey M. Sakerin, Aleksandr M. Ignatov, E. Paul McClain, Gennady K. Korotaev
Publikováno v:
Journal of Atmospheric and Oceanic Technology. 10:725-735
This paper deals with the problem of aerosol optical thickness (τA) retrieval using sun-photometer measurements. The results of the theoretical analysis and computer processing of the dataset collected during the 40th cruise of the R/V Akademik Vern
Publikováno v:
Journal of Geophysical Research. 100:5123
A validation experiment and resulting potential improvements to the operational satellite aerosol optical thickness product at the National Oceanic and Atmospheric Administration/National Environmental Satellite Data and Information Service (NOAA/NES
Conference
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Conference
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