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University of New Hampshire Global Runoff Data Center DLESE Reviewed Collection
A global hydrological database is considered essential for research and application-oriented hydrological and climatological projects at global, regional and basin scales. This includes water balance studies, investigation of trends in long-term hydrological time series, coupling of hydrological and meteorological models, flux of fresh water and pollutants into the oceans, and the coupling of runoff with water quality data. Monitoring of runoff is indispensable for water resources planning and management on all scale levels. The principal objective of the GRDC is to collect and disseminate hydrological data to support projects within the World Climate Programme (WCP) and the World Climate Research Programme (WCRP) of the World Meteorological Organisation (WMO) as well as for other programmes such as the World Hydrological Climate Observing System (WHYCOS) of WMO and the World Bank and the Global Environment Monitoring System - Water (GEMS-Water) of UNEP and WHO.
Intended for grade levels:
  • High (9-12)
  • College (13-14)
  • College (15-16)
  • Graduate / Professional
  • General public
Type of resource:
  • Visual:
    • Map
  • Text:
    • Report
  • Dataset:
    • In-situ
    • Modeled
  • Climatology
  • Environmental science
  • Hydrology
  • Policy issues
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
The GRDC is committed to broadening and enhancing the free and unrestricted international exchange of meteorological and related data and products. In this context, free and unrestricted means non-discriminatory and without charge, the latter with the meaning at no more than the cost of reproduction and delivery, without charge for the data and products themselves.
DLESE Catalog ID: DWEL-000-000-000-027
Resource contact / Creator / Publisher:
Contact: Ms Darlene Dube
Water Systems Analysis Group, Complex Systems Research Office, Institute for the Study of Earth, Oceans, and Space