GEMS/Water Open Global Water Quality Dataset

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.本数据集包含遵循开放数据许可（CC BY 4.0或等效许可）的GEMStat数据库（GEMStat）数据，已托管至Zenodo知识库。GEMStat数据库提供淡水水质数据访问服务，全球各国及组织机构依托联合国环境规划署（United Nations Environment Programme, UNEP）下属的GEMS/Water计划（GEMS/Water Programme）框架，自愿提交相关数据。本数据集包含逾13000个监测站点的逾2000万条监测记录，涵盖600余种不同监测参数，时间跨度为1906年至2023年。该数据集占GEMStat数据库总数据量的70%以上，其余数据仅可通过更严格的数据许可协议获取。GEMStat数据库由联合国环境规划署下属的GEMS/Water计划运营，并由国际水资源与全球变化中心（International Centre for Water Resources and Global Change, ICWRGC）以及德国联邦水文研究所（German Federal Institute of Hydrology, BfG）托管。GEMStat数据库中的数据由联合国成员国国家水文服务机构提供。