Evaluation of high‐resolution precipitation estimate over the Amazon Basin

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...

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Bibliographic Details
Published in:Atmospheric science letters 2009-10, Vol.10 (4), p.273-278
Main Authors: Santos e Silva, Cláudio Moisés, de Freitas, Saulo Ribeiro, Gielow, Ralf, de Barros, Sheila Santana
Format: Article
Language:English
Subjects:
3B42_V6
Algorithms
Biosphere
Climate
diurnal cycle
Estimates
Hydrologic data
Hydrology
Kinematics
Precipitation
Precipitation estimation
Radar
Radar data
Radar measurement
Rain
Rainfall
Rainfall data
Rainfall measurement
Rainy season
Remote sensing
River basins
TRMM–LBA
Tropical rainfall
Tropical Rainfall Measuring Mission (TRMM)
Wet season
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Summary: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 © 2009 Royal Meteorological Society
ISSN:1530-261X
1530-261X
DOI:10.1002/asl.242