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research article

Point rainfall statistics for ecohydrological analyses derived from satellite integrated rainfall measurements

Del Jesus, Manuel
•
Rinaldo, Andrea  
•
Rodriguez-Iturbe, Ignacio
2015
Water Resources Research

Satellite rainfall measurements, nowadays commonly available, provide valuable information about the spatial structure of rainfall. In areas with low-density rain gage networks, or where these networks are nonexistent, satellite rainfall measurements can also provide useful estimates to be used as virtual rain gages. However, satellite and rain gage measurements are statistically different in nature and cannot be directly compared to one another. In the present paper, we develop a methodology to downscale satellite rainfall measurements to generate rain-gage-equivalent statistics. We apply the methodology to four locations along a strong rainfall gradient in the Kalahari transect, southern Africa, to validate the methodology. We show that the method allows the estimation of point rainfall statistics where only satellite measurements exist. Point rainfall statistics are key descriptors for ecohydrologic studies linking the response of vegetation to rainfall dynamics.

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Type
research article
DOI
10.1002/2015Wr016935
Web of Science ID

WOS:000354733500062

Author(s)
Del Jesus, Manuel
Rinaldo, Andrea  
Rodriguez-Iturbe, Ignacio
Date Issued

2015

Publisher

Amer Geophysical Union

Published in
Water Resources Research
Volume

51

Issue

4

Start page

2974

End page

2985

Subjects

stochastic rainfall modeling

•

satellite measurements

•

precipitation

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
ECHO  
Available on Infoscience
September 28, 2015
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/119209
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