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The SAFRAN daily gridded precipitation product in Tunisia (1979-2015)
Title: The SAFRAN daily gridded precipitation product in Tunisia (1979-2015)
Authors: Feki, HaifaTramblay, YvesQuintana Seguí, PereGuijarro Pastor, José Antonio ORCID RESEARCHERID Autor AEMETCarreau, Julie
Keywords: Interpolation; Precipitation; SAFRAN
Issue Date: 2019
Publisher: Royal Meteorological Society; Wiley
Citation: International Journal of Climatology. 2019, 39(15), p. 5830-5838
Publisher version:
Abstract: A new high-resolution (5 km) gridded daily precipitation dataset for Tunisia between 1979 and 2015 is introduced. This product combines 960 rain gauges with the SAFRAN analysis to produce the precipitation gridded data. A validation approach on two different datasets reveals that the SAFRAN analysis outperforms other standard interpolation methods such as Inverse Distance, Nearest Neighbors, Ordinary Kriging or Residual Kriging with altitude. When compared to EOBS, a widely used gridded dataset over Europe, a strong negative bias in EOBS precipitation is found. However due to the aridity and the low density of rain gauges in south Tunisia, results in this region must be analyzed with care. The SAFRAN product could be useful for various purposes such as climate model evaluation, cli-mate studies, hydrological modelling to support the planning and management of surface water resources in Tunisia.
Sponsorship : This work is a contribution to the HYdrological cycle in The Mediterranean EXperiment (HyMeX) program, through INSU-MISTRALS support.
ISSN: 0899-8418
Appears in Collections:Artículos científicos 2019-2022

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