Global sources of local precipitation as determined by the Nasa/Giss GCM
作者:
R. Koster,
J. Jouzel,
R. Suozzo,
G. Russell,
W. Broecker,
D. Rind,
P. Eagleson,
期刊:
Geophysical Research Letters
(WILEY Available online 1986)
卷期:
Volume 13,
issue 2
页码: 121-124
ISSN:0094-8276
年代: 1986
DOI:10.1029/GL013i002p00121
数据来源: WILEY
摘要:
The origin of water precipitating in different geographic regions is investigated with the NASA/GISS GCM. Water evaporating from various source regions is "tagged" and then followed as a tracer in four model simulations, one for each season. The contributions of source region evaporations to simulated rainfall at specific locations is tabulated. The results show that in the summer, water vapor for midlatitude and high latitude precipitation tends to be recycled locally, whereas low latitude continental precipitation is more dependent on oceanic moisture sources.
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