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Assembly of satellite-based rainfall datasets in situ data and rainfall climatology contours for the MENA region

July 30, 2021

Information on the spatio-temporal distribution of rainfall is very critical for addressing water related disasters, especially in the arid to semi-arid regions of the Middle East and North Africa region. However, availability of reliable rainfall datasets for the region is limited. In this study we combined observation from satellite-based rainfall data, in situ rain gauge observation and rainfall climatology to create a reliable regional rainfall dataset for Jordan, West Bank and Lebanon. First, we validated three satellite-based rainfall products using rain gauge observations obtained from Jordan (205 stations), Palestine (44 stations) and Lebanon (8 stations). We used the daily 25-km Tropical Rainfall Measuring Mission over 2000-2016; daily 10-km Rainfall Estimate for Africa (RFE) rainfall over 2001-2016; daily 1-km Climate Hazards Group Infrared Precipitations with Station (CHIRPS) rainfall over 1981-2015; daily 25-km Multi-Source Weighted-Ensemble Precipitation (MSWEP) over 1984-2015. The validation was conducted between in situ rain gauge observation and satellite rainfall data and resulted in utilizing the MSWEP dataset in correlation with a bias correction grid. The created rainfall dataset was used to estimate stream flow in the region and determine suitable areas of aquifer recharge.

Publication Year 2021
Title Assembly of satellite-based rainfall datasets in situ data and rainfall climatology contours for the MENA region
DOI 10.5066/P971ZVHF
Authors Naga Manohar Velpuri (CTR), Gabriel Senay, Stefanie Kagone (CTR)
Product Type Data Release
Record Source USGS Digital Object Identifier Catalog
USGS Organization Earth Resources Observation and Science (EROS) Center