Theodore Roosevelt National Park Water Quality Data

USGS collects streamflow, dissolved oxygen, pH, specific conductance, and water temperature for the Northern Great Plains Network on a 3 year rotation during the ice...美国地质调查局（United States Geological Survey, USGS）将以三年轮换的监测周期，在冰期为北大平原监测网络（Northern Great Plains Network）采集河川流量、溶解氧、pH值、比电导率（specific conductance）以及水温数据。