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Evaluation and comparison of satellite-based rainfall products in Burkina Faso, West Africa (English)

Dembélé, Moctar

In: International journal of remote sensing ; 37 , 17 ; 2016

ISSN:

0143-1161

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http://www.tandfonline.com/doi/abs/10.1080/01431161.2016.1207258

The performance of seven operational high-resolution satellite-based rainfall products - Africa Rainfall Estimate Climatology (ARC 2.0), Climate Hazards Group InfraRed Precipitation with Stations (CHIRPS), Precipitation Estimation from Remotely Sensed Information using Artificial Neural Networks (PERSIANN), African Rainfall Estimation (RFE 2.0), Tropical Applications of Meteorology using SATellite (TAMSAT), African Rainfall Climatology and Time-series (TARCAT), and Tropical Rainfall Measuring Mission (TRMM) daily and monthly estimates - was investigated for Burkina Faso. These were compared to ground data for 2001-2014 on a point-to-pixel basis at daily to annual time steps. Continuous statistics was used to assess their performance in estimating and reproducing rainfall amounts, and categorical statistics to evaluate rain detection capabilities. The north-south gradient of rainfall was captured by all products, which generally detected heavy rainfall events, but showed low correlation for rainfall amounts. At daily scale they performed poorly. As the time step increased, the performance improved. All (except TARCAT) provided excellent scores for Bias and Nash-Sutcliffe Efficiency coefficients, and overestimated rainfall amounts at the annual scale. RFE performed the best, whereas TARCAT was the weakest. Choice of product depends on the specific application: ARC, RFE, and TARCAT for drought monitoring, and PERSIANN, CHIRPS, and TRMM daily for flood monitoring in Burkina Faso.

Title:

Evaluation and comparison of satellite-based rainfall products in Burkina Faso, West Africa
Contributors:

Dembélé, Moctar (author) / Zwart, Sander J
Published in:

International journal of remote sensing ; 37, 17
Publisher:

Taylor & Francis

Place of publication:

London [u.a.]
Publication date:

2016
ISSN:

0143-1161
ZDBID:

754117x
DOI:

https://doi.org/10.1080/01431161.2016.1207258
Type of media:

Article (Journal)
Type of material:

Print
Language:

English

Keywords:

Fernerkundung, Satellitenbildauswertung

Classification:

BKL:		38.03 / 38.03 Methoden und Techniken der Geowissenschaften
Local classification TIB:		275/3200

Source:

Online Contents

Table of contents – Volume 37, Issue 17

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3995: Evaluation and comparison of satellite-based rainfall products in Burkina Faso, West Africa
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