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2021 | OriginalPaper | Chapter

Evaluation of TRMM 3B42 V7 Rainfall Product in Morocco

Authors : Rachid Hadria, Adil Salhi, Tarik Benabdelouahab, Loubna Elmansouri, Hayat Lionboui, Hamza Ouatiki, Youssef Lebrini, Abdelaziz Htitiou, Rida Khellouk

Published in: Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions (2nd Edition)

Publisher: Springer International Publishing

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Abstract

In arid and semi-arid countries, drought monitoring is a difficult issue to deal with, mainly due to the low density of precipitation measurement stations. The present study aims to evaluate the ability of the Tropical Rainfall Monitoring Mission (TRMM) 3B42 (v7) to monitor annual precipitation in Morocco. The accuracy of TRMM data to estimate annual rainfall was evaluated. Annual precipitations derived from 5113 daily TRMM 3B42 V7 data were compared to the corresponding in situ rainfall measurements from 23 rain gauges, between 1998 and 2012. The results showed a general, good linear relationship between TRMM and rain gauges data. When considering annual records, the Pearson correlation coefficient, R², was equal to 0.73 and the Root Mean Square Error, RMSE, was equal to 159.8 mm/year. The correlation between rain gauge measurements and TRMM rainfall has been clearly improved when working with long-term annual average precipitation. The R² increased to 0.79 and the RMSE decreased to 115.2 mm.

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Title: Evaluation of TRMM 3B42 V7 Rainfall Product in Morocco
Authors: Rachid Hadria
Adil Salhi
Tarik Benabdelouahab
Loubna Elmansouri
Hayat Lionboui
Hamza Ouatiki
Youssef Lebrini
Abdelaziz Htitiou
Rida Khellouk
Publisher: Springer International Publishing
Book: Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions (2nd Edition)
Print ISBN: 978-3-030-51209-5

Electronic ISBN: 978-3-030-51210-1

Copyright Year: 2021
DOI: https://doi.org/10.1007/978-3-030-51210-1_298