WCalifornia Department of Water ResourcesWUK Centre for Ecology & HydrologyWCoral Reef Conservation ProgramWRoyal Danish Nautical Charts ArchiveWEgyptian Public WorksWHealthy Land & WaterWInstituto Nacional de Sismología, Vulcanología, Meteorología e HidrologíaWNational Institute of Water and Atmospheric ResearchWNational Oceanic and Atmospheric AdministrationWNorwegian Water Resources and Energy DirectorateWPermanent Interstate Committee for drought control in the SahelWWorld Meteorological Organization
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