Comparison of upper tropospheric water vapor from GOES, Raman lidar, and cross-chain loran atmospheric sounding system measurements

Brian J Soden, S. A. Ackerman, D. O. Starr, S. H. Melfi, R. A. Ferrare

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Instantaneous measurements of the upper tropospheric relative humidity from GOES are shown to agree to within roughly 6% of the nearest lidar observations and 9% of the nearest CLASS observations. The CLASS data exhibit a slight yet systematic dry bias in upper tropospheric humidity, a result which is consistent with previous radiosonde intercomparisons. The upper tropospheric humidity inferred from the GOES 6.7-μm channel is demonstrated to agree to within roughly 5% of the relative humidity vertically averaged over the depth of atmosphere to which the 6.7-μm channel is sensitive. The results of this study encourage the use of satellite measurements in the 6.7-μm channel to quantitatively describe the distribution and temporal evolution of the upper tropospheric humidity field. -from Authors

Original languageEnglish (US)
JournalJournal of Geophysical Research
Volume99
Issue numberD10
StatePublished - 1994
Externally publishedYes

Fingerprint

loran
atmospheric sounding
Steam
GOES
Optical radar
optical radar
lidar
water vapor
humidity
Atmospheric humidity
relative humidity
radiosonde
temporal evolution
Radiosondes
radiosondes
atmosphere
comparison
Satellites
atmospheres

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)
  • Environmental Science(all)

Cite this

Comparison of upper tropospheric water vapor from GOES, Raman lidar, and cross-chain loran atmospheric sounding system measurements. / Soden, Brian J; Ackerman, S. A.; Starr, D. O.; Melfi, S. H.; Ferrare, R. A.

In: Journal of Geophysical Research, Vol. 99, No. D10, 1994.

Research output: Contribution to journalArticle

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AU - Soden, Brian J

AU - Ackerman, S. A.

AU - Starr, D. O.

AU - Melfi, S. H.

AU - Ferrare, R. A.

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AB - Instantaneous measurements of the upper tropospheric relative humidity from GOES are shown to agree to within roughly 6% of the nearest lidar observations and 9% of the nearest CLASS observations. The CLASS data exhibit a slight yet systematic dry bias in upper tropospheric humidity, a result which is consistent with previous radiosonde intercomparisons. The upper tropospheric humidity inferred from the GOES 6.7-μm channel is demonstrated to agree to within roughly 5% of the relative humidity vertically averaged over the depth of atmosphere to which the 6.7-μm channel is sensitive. The results of this study encourage the use of satellite measurements in the 6.7-μm channel to quantitatively describe the distribution and temporal evolution of the upper tropospheric humidity field. -from Authors

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