Monitoring Programmes Data

The isotope and hydrochemical data, together with relevant hydrogeological information on the studies on water resources conducted with support of the Water Resources Programme, either as Technical Cooperation projects or as part of Coordinated Research Projects, are being compiled in the Isotope Hydrology Information System (ISOHIS). The system also contains the information from other monitoring programmes, such as the Global Network of Isotopes in Precipitation (GNIP), the Global Network of Isotopes in Rivers (GNIR), and Moisture Isotopes in the Biosphere and Atmosphere (MIBA). The information stored in ISOHIS can be visualized in maps and plots in the GIS-based application Water Isotope System for Data Analysis, Visualization, and Electronic Retrieval (WISER).

Isotope Hydrology Information System (ISOHIS)

The Isotope Hydrology Information System (ISOHIS) was developed by the Isotope Hydrology Section of the Department of Nuclear Applications of the International Atomic Energy Agency (IAEA), in co-operation with the Division of Information Technology. The database contains isotope data with related hydrological and meteorological information from several monitoring networks (GNIP, GNIR, MIBA) as well as data from isotope hydrology projects in Member States. The contents of the database include:

• Summary information about isotope hydrology projects and monitoring networks;
• Basic information about the nature and origin of water samples analysed.
• Data on the concentrations of the major and minor ions, trace constituents, isotopes, dissolved gases measured in water, and relevant hydrological/hydrogeological, geographical and analytical information.

About the (WISER) Application

Water Isotope System for Data Analysis, Visualization, and Electronic Retrieval (WISER), The WISER has been developed by IAEA in collaboration with the University of Vienna, IfGR. It has been designed to visualize and download isotope and related data collected as part of the IAEA-supported projects and global isotope monitoring programmes. This GIS-based application offers a number of possibilities for presenting and analysing geo-referenced isotope and hydrochemical data around the world. The graphical interface permits the creation of thematic layers as well as the easy selection of data for download in several formats. WISER also contains a direct download module.

WISER provides direct access to three primary databases:

GNIP - Global Network of Isotopes in Precipitation. The GNIP module contains more than 115,000 records and is now subdivided into three categories: GNIP-monthly (long-term isotope data on monthly basis), GNIP-events (stations collecting event-based samples or samples with irregular frequency) and GNIP-vapour (isotope data on water vapour). Basic summary statistics such as yearly, monthly, and long-term averages for the stations in GNIP-monthly are provided. Download is possible through several search options.

GNIR - Global Network of Isotopes in Rivers. Tritium and stable isotope records for a number of rivers are now accessible.

IGLASS - Isotopes in Groundwater, Lakes, Springs and Streams - Hydrological, isotope and chemical results obtained as part of various technical cooperation projects and coordinated research activities supported by the Water Resources Programme of the IAEA can now be downloaded. Several search options have been included to facilitate selection of data.

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