2026-10-12T14:15:44Z https://www.scidb.cn/oai

10.57760/sciencedb.23506 2025-04-25T10:29:20Z

2025-04-25 Groundwater quality and water level dataset of Beijing-Tianjin-Hebei National Field Station from 2005 to 2022 doi:10.57760/sciencedb.23506 en This dataset collates the physical and chemical data of two long-term routine monitoring sites at the Beijing-Tianjin-Hebei National Field Station in Beijing from 2005 to 2022, including pH, calcium ions, magnesium ions, potassium ions, sodium ions, carbonates, bicarbonates, chloride ions, sulfates, phosphates, nitrates, chemical oxygen demand, dissolved oxygen, total nitrogen, total phosphorus, conductivity, ammonia nitrogen, dissolved total organic carbon, dissolved total inorganic carbon, dissolved total carbon, silicon, fluoride and nitrite. and water level data from 2014 to 2022, with a total of 35,835 values. The compilation and publication of this dataset can provide a data basis for exploring the characteristics of urban ecosystem change in Beijing, and provide scientific support for groundwater cycle and drinking water security. Beijing; urban ecosystems; Groundwater; Long-term monitoring wang si qi Ren Yufen Wang Qiaohuan Lusdan Wang Xiaoke Zhang Hongxing Su Zhimin Lu Fei Sun Xu Zhou Weiqi RESTRICTED dataset Science Data Bank