Widespread tropical atmospheric drying from 1979 to 1995

A daily gridded data base of tropical precipitable water (PW) from 1979–95 shows 3% average drying from 1979–87 to 1989–95. Spatial patterns of the change are consistent with strengthening of the thermally direct overturning circulation. Moistening in most of the Inter‐Tropical Convergence Zone (ITC...

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Bibliographic Details
Published in:Geophysical research letters 1998-05, Vol.25 (9), p.1301-1304
Main Authors: Schroeder, Steven R., McGuirk, James P.
Format: Article
Language:English
Subjects:
Earth, ocean, space
Exact sciences and technology
External geophysics
Meteorology
Water in the atmosphere (humidity, clouds, evaporation, precipitation)
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Summary:A daily gridded data base of tropical precipitable water (PW) from 1979–95 shows 3% average drying from 1979–87 to 1989–95. Spatial patterns of the change are consistent with strengthening of the thermally direct overturning circulation. Moistening in most of the Inter‐Tropical Convergence Zone (ITCZ), the South Pacific Convergence Zone (SPCZ), and the Americas is more than offset by drying in oceanic subtropical highs and desert land areas.
ISSN:0094-8276
1944-8007
DOI:10.1029/98GL01029