A comparison of columnar water vapor retrievals obtained with near- IR solar radiometer and microwave radiometer measurements

J. Reagan, K. Thome, B. Herman, R. Stone, J. Deluisi, J. Snider

Research output: Contribution to journalArticle

31 Scopus citations

Abstract

A simple two-channel solar radiometer and analysis technique have been developed for sensing atmospheric water vapor via differential solar transmission measurements in and adjacent to the 940-nm water vapor absorption band. A prototype solar radiometer underwent trial measurements near Boulder, Colorado. These measurements provided the convenient opportunity to compare solar radiometer water vapor retrievals with those obtained using NOAA microwave radiometers. The solar radiometer and microwave radiometer retrievals were found to agree to within 0.1 cm most of the time and to within 0.05 cm the majority of the time, yielding a percent difference in the retrievals generally within 10%. Radiosonde soundings, when available, were also found to generally agree with the microwave and solar radiometer retrievals within 0.1 cm. -from Authors

Original languageEnglish (US)
Pages (from-to)1384-1391
Number of pages8
JournalJournal of Applied Meteorology
Volume34
Issue number6
DOIs
StatePublished - Jan 1 1995

ASJC Scopus subject areas

  • Atmospheric Science

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