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Simulation Study of Effects of Solar Irradiance and Sea Surface Temperature on Monsoons and Global CirculationA recent version of the GEOS 2 GCM was used to isolate the roles of the annual cycles of solar irradiation and/or sea-surface temperatures (SSTs) on the simulated circulation and rainfall. Four 4-year long integrations were generated with the GCM. The first integration, called Control Case, used daily-interpolated SSTs from a 30 year monthly SST climatology that was obtained from the analyzed SST-data, while the solar irradiation at the top of the atmosphere was calculated normally at hourly intervals. The next two cases prescribed the SSTs or the incoming solar irradiance at the top of the atmosphere at their annual mean values, respectively while everything else was kept the same as in the Control Case. In this way the influence of the annual cycles of both external forcings was isolated.
Document ID
20010045819
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Sud, Y. C.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Walker, G. K.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Mehta, V.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Lau, W. K.-M.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Einaudi, Franco
Date Acquired
August 20, 2013
Publication Date
March 1, 2001
Subject Category
Environment Pollution
Meeting Information
Meeting: Monsoon Conference
Location: New Delhi, IN
Country: United States
Start Date: March 18, 2001
End Date: March 23, 2001
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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