Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 11 A, Datun Road, Chaoyang District, Beijing, 100101, China.
University of Chinese Academy of Sciences, Beijing, 100049, China.
Sci Data. 2022 Nov 30;9(1):737. doi: 10.1038/s41597-022-01844-y.
Permafrost degradation leads to considerable changes in river ecosystems. The Eastern Siberian River Chemistry (ESRC) database was constructed to create a spatially extensive river chemistry database to assess climate warming-induced changes in freshwater systems in permafrost-dominated eastern Siberia. The database includes 9487 major ion (Na, K, Ca, Mg, Cl, SO and HCO) data of chemical results from 1434 water samples collected mainly in six large river basins in eastern Siberia spanning 1940-2019. Data were obtained from public databases, scientific literature in English and Russian, and researchers and were formatted with a consistent table structure. The database is transparent and reproducible. Climate variable (air temperature and precipitation) data, discharge data, trace element concentration data, and isotope data at the basin and subbasin scales are also provided. This database enhances knowledge about the water chemistry of the permafrost region, especially in eastern Siberia, where data are scarce. The database will be useful to those assessing spatiotemporal changes in river water chemistry associated with permafrost degradation or other environmental stressors in a warmer climate.
多年冻土退化导致河流生态系统发生重大变化。建立了东西伯利亚河流化学数据库（ESRC），以创建一个空间广泛的河流化学数据库，评估在主导多年冻土的东西伯利亚地区，气候变暖对淡水系统的影响。该数据库包含 1434 个水样的 9487 个主要离子（Na、K、Ca、Mg、Cl、SO 和 HCO）化学分析结果数据，这些水样主要采集于东西伯利亚的 6 个大流域，时间跨度为 1940 年至 2019 年。数据来源于公共数据库、英文和俄文的科学文献以及研究人员，采用了一致的表格结构进行格式化。数据库具有透明性和可重复性。还提供了流域和子流域尺度的气候变量（气温和降水）数据、流量数据、微量元素浓度数据和同位素数据。该数据库增强了对多年冻土区，特别是数据稀缺的东西伯利亚地区的水质知识。该数据库将有助于评估与多年冻土退化或其他环境胁迫相关的河流水化学的时空变化，这些变化发生在更温暖的气候条件下。
