Data Centres and Networks
GTN-H is a gateway to a great number of global observing systems for hydrological data. You can find descriptions and links to all network partners of GTN-H and the hydrological data products developed under the cooperation of the network.
AQUASTAT
The global information system on water and agriculture of the United Nations‘ Food and Agricultural Organisation (FAO).
Essential Climate Variable:
GGMN
The Global Groundwater Monitoring Network Portal gives insights into the availability of groundwater monitoring data across space and time.
Essential Climate Variable:
GNIP/GNIR
The Global Network of Isotopes in Precipitation and Rivers is a systematic collection of basic spatial data on the isotope content of precipitation across global scales.
GPCC
Established in 1989, the Global Precipitation Climatology Center has been assigned by WMO to collect, quality assure, process and grid world-wide in-situ data of rain and snowfall measurements, collected by rain gauges.
Essential Climate Variable:
GRDC
The Global Runoff Data Centre provides a unique collection of river discharge data collected at daily or monthly intervals from nearly 9000 stations in 157 countries.
Essential Climate Variable:
GWDC
Within the framework of GEMS/Water (UNEP) the GEMS/Water Data Centre hosts the global water quality database GEMStat with monitoring data of more than 4000 stations in 75 countries.
Sustainable Development Goals:
ISMN
The International Soil Moisture Network is an international cooperation to establish and maintain a global in-situ soil moisture database.
Essential Climate Variable:
LEGOS
The member of the CNES/LEGOS have been involved in the development and design of space altimetry applications for around 20 years, as PI of Topex/Poseidon, ERS-1/2, Jason-1/2, Envisat, and the future Altika/Saral and SWOT missions.
