Evaluation of high-resolution precipitation estimate over the Amazon Basin

被引：5
|
作者：
Santos e Silva, Claudio Moises [1 ,2 ]
de Freitas, Saulo Ribeiro [1 ,2 ]
Gielow, Ralf [1 ]
de Barros, Sheila Santana [1 ]
机构：
[1] Ctr Weather Forecasts & Climate Studies CPTEC, Natl Inst Space Res INPE, BR-12630000 Paulista, SP, Brazil
[2] GMAI, BR-12227010 Sao Jose Dos Campos, SP, Brazil
来源：
ATMOSPHERIC SCIENCE LETTERS | 2009年 / 10卷 / 04期
关键词：
3B42_V6; diurnal cycle; TRMM-LBA; RADAR OBSERVATIONS; DIURNAL CYCLE; ANALYSIS TMPA; RAINFALL; TRMM; CONVECTION; PRODUCTS; CLOUDS; SEASON; LAND;
D O I：
10.1002/asl.242
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
Using rainfall data from S-band radar measurements, the estimative of the rainfall from the 3B42_V6 algorithm was evaluated for the region of the Tropical Rainfall Measurement Mission and Large Scale Biosphere-Atmosphere Experiment in Amazonia (TRMM-LBA) experiment, which was conducted in the Amazon Basin during the 1999 rainy season. The algorithm correctly represented the diurnal rainfall cycle, but underestimated overall precipitation rates by about 50%. It adequately represented most of the stratiform (convective) rainfall during the break (active) phase of the South American Monsoon System (SAMS). Thus, some uncertainties, as well as the algorithm applicability for the region and period studied, were demonstrated. Copyright. (C) 2009 Royal Meteorological Society
引用
收藏
页码：273 / 278
页数：6
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