fb38ac32-1459-48d9-8390-f8dd2e43e0cc Gewässerchemie Open Data GEMS/Water Data Centre Bundesanstalt für Gewässerkunde ICWRGC +49 (0)261 1306 5891 Am Mainzer Tor 1 Koblenz Rheinland-Pfalz 56068 Deutschland gwdc@bafg.de https://gemstat.org pointOfContact 2025-10-28 ISO 19115 2003/Cor.1:2006 UNEP GEMS/Water Global Freshwater Quality Archive 2024-08-12 2024-10-08 https://registry.gdi-de.org/id/de.bund.bfg.csw/fb38ac32-1459-48d9-8390-f8dd2e43e0cc M39600204121 This dataset comprises data from the GEMStat database that are available under an open data license (CC BY 4.0 or equivalent). It is made available on the Zenodo repository. GEMStat provides access to freshwater quality data. The data are voluntarily provided by countries and organizations worldwide within the framework of the GEMS/Water Programme of the United Nations Environment Programme (UNEP). The dataset includes more than 20 Million measurement from over 13,000 stations and covering more than 600 different parameters and spans the time period from 1906 to 2023. This represents over 70% of all GEMStat data, further data is only available under more restricted data licenses. GEMStat is operated by the GEMS/Water programme of the United Nations Environment Programme (UNEP) and hosted at the International Centre for Water Resources and Global Change (ICWRGC) and the German Federal Institute of Hydrology (BfG). The data in GEMStat is provided by National Hydrological Services of UN member states. Making the dataset available on Zenodo will provide an additional access point to GEMStat data for users. GEMS/Water Data Centre Bundesanstalt für Gewässerkunde ICWRGC +49 (0)261 1306 5891 Am Mainzer Tor 1 Koblenz Rheinland-Pfalz 56068 Deutschland gwdc@bafg.de https://gemstat.org pointOfContact https://geoportal.bafg.de/smartEditor/preview/open_data_stations.png Global overview of open data stations available in the dataset. The color code refers to the station type (river, lake, groundwater, reservoir, or wetland). GEMStat GEMS/Water Water Quality Global UNEP opendata Freshwater Es gelten keine Bedingungen Dieser Datensatz kann gemäß der Lizenz "Creative Commons Namensnennung – 4.0 International (CC BY 4.0)" (http://creativecommons.org/licenses/by/4.0/) genutzt werden. { "id": "cc-by/4.0", "name": "Creative Commons Namensnennung – 4.0 International (CC BY 4.0)", "url": "http://creativecommons.org/licenses/by/4.0/", "quelle": "United Nations Environment Programme; 23.07.2024" } inlandWaters environment true -180.00 180.00 -90.00 90.00 1906-09-10 2023-08-02 CSV inapplicable https://doi.org/10.5281/zenodo.13881899 https://gemstat.org The dataset consists of data from the GEMStat database. Water quality data in the GEMStat database are voluntarily provided by countries and organizations worldwide within the framework of the GEMS/Water Programme of the United Nations Environment Programme (UNEP).