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contributor authorMonsieurs, Elise
contributor authorKirschbaum, Dalia Bach
contributor authorTan, Jackson
contributor authorMaki Mateso, Jean-Claude
contributor authorJacobs, Liesbet
contributor authorPlisnier, Pierre-Denis
contributor authorThiery, Wim
contributor authorUmutoni, Augusta
contributor authorMusoni, Didace
contributor authorBibentyo, Toussaint Mugaruka
contributor authorGanza, Gloire Bamulezi
contributor authorMawe, Guy Ilombe
contributor authorBagalwa, Luc
contributor authorKankurize, Clairia
contributor authorMichellier, Caroline
contributor authorStanley, Thomas
contributor authorKervyn, Francois
contributor authorKervyn, Matthieu
contributor authorDemoulin, Alain
contributor authorDewitte, Olivier
date accessioned2019-09-19T10:02:12Z
date available2019-09-19T10:02:12Z
date copyright9/1/2018 12:00:00 AM
date issued2018
identifier otherjhm-d-18-0103.1.pdf
identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4260834
description abstractAbstractAccurate precipitation data are fundamental for understanding and mitigating the disastrous effects of many natural hazards in mountainous areas. Floods and landslides, in particular, are potentially deadly events that can be mitigated with advanced warning, but accurate forecasts require timely estimation of precipitation, which is problematic in regions such as tropical Africa with limited gauge measurements. Satellite rainfall estimates (SREs) are of great value in such areas, but rigorous validation is required to identify the uncertainties linked to SREs for hazard applications. This paper presents results of an unprecedented record of gauge data in the western branch of the East African Rift, with temporal resolutions ranging from 30 min to 24 h and records from 1998 to 2018. These data were used to validate the Tropical Rainfall Measuring Mission (TRMM) Multisatellite Precipitation Analysis (TMPA) research version and near-real-time products for 3-hourly, daily, and monthly rainfall accumulations, over multiple spatial scales. Results indicate that there are at least two factors that led to the underestimation of TMPA at the regional level: complex topography and high rainfall intensities. The TMPA near-real-time product shows overall stronger rainfall underestimations but lower absolute errors and a better performance at higher rainfall intensities compared to the research version. We found area-averaged TMPA rainfall estimates relatively more suitable in order to move toward regional hazard assessment, compared to data from scarcely distributed gauges with limited representativeness in the context of high rainfall variability.
publisherAmerican Meteorological Society
titleEvaluating TMPA Rainfall over the Sparsely Gauged East African Rift
typeJournal Paper
journal volume19
journal issue9
journal titleJournal of Hydrometeorology
identifier doi10.1175/JHM-D-18-0103.1
journal fristpage1507
journal lastpage1528
treeJournal of Hydrometeorology:;2018:;volume 019:;issue 009
contenttypeFulltext


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