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Fiber-optic distributed temperature sensing data collected for improved mapping and monitoring of contaminated groundwater discharges along the upper Quashnet River, Mashpee and Falmouth, Massachusetts, USA 2020 In summer in Massachusetts, USA, preferential groundwater discharge zones are often colder than adjacent streambed areas that do not have substantial discharge. Therefore, discharge zones can efficiently be identified and mapped over space using heat as a tracer. This data release contains fiber-optic distributed temperature sensing (FO-DTS) data collected along the streambed interface of the main channel and tributaries of the upper Quashnet River, within approximately 1 km of Johns Pond, from June 14 to June 20, 2020. For these deployments a Salixa XT-DTS control unit (Salixa Ltd, Hertfordshire, UK) was used, and measurements were made over several day increments at 0.508 m linear resolution. Specific locations... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Cape Cod, Groundwater, Mashpee, Massachusetts, Quashnet River, All tags... Surface Water, USGS Science Data Catalog (SDC), environment, geophysics, geoscientificInformation, groundwater and surface-water interaction, hydrogeology, hydrology, inlandWaters, seepage, surface water (non-marine), water temperature, Fewer tags Streamflow measurements collected along the Deer Creek main stem and tributaries on March 26, 2014, in St. Louis County, Missouri Streamflow wading measurements were made on March 26, 2014 within the Deer Creek watershed in St. Louis County, Missouri, following U.S. Geological Survey methods in Turnipseed and Sauer (2010). This effort occurred during a date and time void of rainfall or snowmelt runoff to properly evaluate a base-flow condition. Measuring locations were chosen based on inflow junctions (for example open channel tributaries or pipe outflows) such that main stem streamflow could be evaluated above and below the inflow. A total of 31 main stem and 25 inflow streamflow measurements were made over 9 miles along the main stem reach of Deer Creek starting at Magna Carta Drive. This data release includes a table of the streamflow... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Deer Creek, Seepage, Streamflow, USGS Science Data Catalog (SDC), Water Resources, All tags... biota, Fewer tags