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An increase of early rains in southern Israel following land-use change?Rains at the onset of the October-April rainy season in southern Israel have steeply increased in the last 25 years relative to the previous 20 years, and are accompanied by an appreciable general increase of rainy-season rainfall. This increase in precipitation is specifically attributable to an intensification of the convection and advection processes due to afforestation and increased cultivation-induced enhancement of the daytime sensible heat flux from the generally dry surface; the enhancement proceeds from both the reduced surface albedo and the reduced soil heat flux in October, when insolation is strong. Greater daytime convection can lead to penetration of inversions capping the planetary boundary layer, while strengthened advection can furnish moist air from the Mediterranean.
Document ID
19910035673
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Otterman, J.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Starr, D. O'C.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Manes, A.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Rubin, S.
(Israel Meteorological Service Bet Dagan, United States)
Alpert, P.
(Tel Aviv University Israel)
Date Acquired
August 15, 2013
Publication Date
December 1, 1990
Publication Information
Publication: Boundary-Layer Meteorology
Volume: 53
ISSN: 0006-8314
Subject Category
Meteorology And Climatology
Accession Number
91A20296
Distribution Limits
Public
Copyright
Other

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