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About GTN-H

Configuration of Network

Network Partners

Global Terrestrial Networks

Hydrological Data Access

Coordination

GTN-H and
GEO/GEOSS

Publications

IGWCO 2010 Meeting

2009 Meeting

Contact

Network Partners

Global Runoff Data Centre (GRDC)

The Global Runoff Data Centre (GRDC) hosts data from 156 countries with over 7000 river gauge stations. Out of this total number of stations GRDC has identified a priority network of around 400 river discharge reference along the continental Coastlines, covering around 70% of total continental runoff.

Global Precipitation Climatology Centre (GPCC)

The GPCC provides near-realtime and non-realtime global precipitation analysis products for monitoring and research of the earth’s climate based on the largest monthly in situ precipitation database of the world. GPCC also offers combined raingauge - multiple satellite based precipitation products.

GEMS/Water

The United Nations GEMS/Water Programme provides scientifically-sound data and information on the state and trends of global inland water quality required as a basis for the sustainable management of the world's freshwater to support global environmental assessments and decision- making processes. GEMS/ Water also provides a platform for water quality scientists, researchers and practioners to discuss analytical methods that are "tried, but maybe not true." To access the platform please click here

Water Systems Analysis Group

The Water Systems Analysis Group serves as a research and advanced training facility for analyzing the global water system, the critical global change issue of its alteration through anthropogenic activities, and the impacts of a changing water system on society.

International Groundwater Resources Assessment Centre (IGRAC)

The International Groundwater Resources Assessment Centre (IGRAC) contributes to the assessment of the groundwater resources of the world in order to encourage and enhance the conjunctive and sustainable utilisation of both groundwater and surface water and elucidate the impact of groundwater on other ecosystems of the Earth.

European Space Agency’s Soil Moisture and Ocean Salinity (ESA/SMOS)

The European Space Agency’s Soil Moisture and Ocean Salinity (ESA/SMOS) mission has been designed to observe soil moisture over the Earth's landmasses and salinity over the oceans. Soil moisture data are urgently required for hydrological studies and data on ocean salinity are vital for improving our understanding of ocean circulation patterns.

Food and Agricultural Organisation of the United Nations (FAO)

AQUASTAT is the global information system of the Food and Agricultural Organisation of the United Nations (FAO) on water and agriculture developed by the Land and Water Development Division. Its aim is to provide users interested in global, regional and national analyses with comprehensive information related to water resources and agricultural water management across the world, with emphasis on countries in Africa, Asia, Latin America and the Caribbean.

FLUXNET

FLUXNET is a global network of micrometeorological tower sites that use eddy covariance methods to measure the exchanges of carbon dioxide, water vapor, and energy between terrestrial ecosystem and atmosphere. At present, over 400 tower sites are operating on a long-term and continuous basis. Researchers also collect data on site vegetation, soil, hydrologic, and meteorological characteristics at the tower sites.

National Snow and Ice Data Centre (NSIDC)

The NSIDC supports research into the Earth’s cryosphere (snow, ice, glacier, frozen ground, and climate interactions). Scientific data, whether taken in the field or relayed from satellites orbiting Earth, form the foundation for the scientific research that informs the world about our planet and our climate systems.

World Glacier Monitoring Service (WGMS)

The World Glacier Monitoring Service collects standardised observations on changes in mass, volume, area and length of glaciers with time (glacier fluctuations), as well as statistical information on the distribution of perennial surface ice in space (glacier inventories)

National Climatic Data Centre (NCDC)

National Climatic Data Centre is the world's largest active archive of weather data. NCDC produces numerous climate publications and responds to data requests from all over the world.

International Atomic Energy Agency / Global Network of Isotopes in Precipitation (IAEA/GNIP)

The IAEA's Water Resources Programme and the World Meteorological Organization (WMO) have been surveying the content of hydrogen and oxygen isotopes in precipitation since 1961. The data are used for a variety of purposes in the fields of hydrology, oceanography and hydrometeorology and in investigations related to the Earth's water cycle and climate changes.

International Data Centre on the Hydrology of Lakes and Reservoirs (HYDROLARE)

The International Data Centre on the Hydrology of Lakes and Reservoirs (HYDROLARE) was established in 2007 to develop and regularly update an international database on hydrological regime of lake levels, lake surface areas and reservoirs. The centre will focus on monitoring the 150 major lakes and reservoirs in the GTN-L worldwide.