منابع مشابه
Future precipitation changes and their implications for tropical peatlands
[1] Carbon (C) in tropical peatlands over Southeast Asia and Amazonia, if released to the atmosphere, can substantially increase the growth rate of atmospheric carbon dioxide. Over Southeast Asia, where the most extensive tropical peatlands in the world occur, 11 climate models for the IPCC Fourth Assessment show an overall decrease of rainfall in future dry seasons. Over Amazonia, future rainf...
متن کاملAGCM Precipitation Biases in the Tropical Atlantic
Many general circulation models (GCMs) share similar biases in the representation of the intertropical convergence zone (ITCZ) in the Atlantic, even when they are forced with the time series of the observed sea surface temperature (SST). Specifically, they overestimate precipitation in the Southern Hemisphere in boreal spring and in the Caribbean region in boreal summer. The majority of the mod...
متن کاملRecent changes in precipitation, ITCZ convection and northern tropical circulation over North Africa (1979-2007)
This article focuses on some recent changes observed in the tropics with special emphasis on the African monsoon region using high resolution gridded precipitation from the Climatic Research Unit (period 1979-2002), outgoing long-wave radiation at the top of the atmosphere from the National Oceanic and Atmospheric Administration and atmospheric reanalyses from the Climate Prediction Center (NCE...
متن کاملINTERANNUAL VARIATIONS OF TROPICAL PRECIPITATION PATTERNS by
Seasonal and annual precipitation anomalies, normalized with respect to the standard deviations are computed for stations between 30*S and 30N. It is established that the annual anomalies are normally distributed. Spatially averaged anomalies are computed for various regions and their representativeness confirmed. Correlations between the annual average normalized anomalies of the various regio...
متن کاملThe Tropical Precipitation Response to Orbital Precession
Orbital precession changes the seasonal distribution of insolation at a given latitude but not the annual mean. Hence, the correlation of paleoclimate proxies of annual-mean precipitation with orbital precession implies a nonlinear rectification in the precipitation response to seasonal solar forcing. It has previously been suggested that the relevant nonlinearity is that of the Clausius–Clapey...
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ژورنال
عنوان ژورنال: Environmental Research Letters
سال: 2010
ISSN: 1748-9326
DOI: 10.1088/1748-9326/5/2/025205