NDLI: Profiling of atmospheric water vapor with mir and lase

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Profiling of atmospheric water vapor with mir and lase

Content Provider	NASA Technical Reports Server (NTRS)
Author	Wang, J. R. Browell, E. V. Racette, P. Ismail, S. Triesly, M. E. Chang, L. A.
Copyright Year	2001
Description	This paper presents the first and the only simultaneous measurements of water vapor by MIR (Millimeter-wave Imaging Radiometer) and LASE (Lidar Atmospheric Sounding Experiment) on board the same ER-2 aircraft. Water vapor is one of the most important constituents in the Earth's atmosphere, as its spatial and temporal variations affect a wide spectrum of meteorological phenomena ranging from the formation of clouds to the development of severe storms. Its concentration, as measured in terms of relative humidity, determines the extinction coefficient of atmospheric aerosol particles and therefore visibility. These considerations point to the need for effective and frequent measurements of the atmospheric water vapor. The MIR and LASE instruments provide measurements of water vapor profiles with two markedly different techniques. LASE can give water vapor profiles with excellent vertical resolution under clear condition, while MIR can retrieve water vapor profiles with a crude vertical resolution even under a moderate cloud cover. Additionally, millimeter-wave measurements are relatively simple and provide better spatial coverage.
File Size	1503248
Page Count	40
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20020015801
Archival Resource Key	ark:/13960/t2h75c89s
Language	English
Publisher Date	2001-01-01
Access Restriction	Open
Subject Keyword	Geophysics Meteorological Parameters Microwave Imagery Vertical Distribution Millimeter Waves Troposphere Atmospheric Moisture Water Vapor Optical Radar Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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