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Low-flow metrics and explanatory variable data for 107 basins in Massachusetts, 1943-2022 Low-flow metrics and explanatory variable data for 107 basins in Massachusetts, 1943-2022
The U.S. Geological Survey, in cooperation with the Massachusetts Department of Conservation and Recreation, evaluated potential drivers of low streamflows in Massachusetts by use of statistical models with selected low-flow metrics as the dependent variables. Low-flow metrics were computed in six ways: the 2nd and 10th percentile of daily flows during a climate year, these same...
Reconnaissance of imidacloprid in select Virginia streams, 2024–2025 Reconnaissance of imidacloprid in select Virginia streams, 2024–2025
This data release presents concentration results obtained using an enzyme-linked immunosorbent assay (ELISA) method for imidacloprid and other neonicotinoid insecticides from samples collected in 30 urban streams across Virginia between August 2024 and July 2025. ELISA analyses were conducted at the U.S. Geological Survey Strategic Laboratory Science Branch in Boulder, Colorado. The...
Synthesized Domestic Well Database for the Conterminous United States Synthesized Domestic Well Database for the Conterminous United States
Self-supplied domestic water sources play a significant role in the United States' water landscape, serving approximately 13 percent of the nation's population as of 2015 (Dieter and others, 2018). However, these sources present unique challenges for water resource management and research due to the lack of monitoring, withdrawal location, and place-of-use data. To address this data gap...
Greenhouse Gas Fluxes along a Tidal Gradient of Low Salinity Freshwater Forested Wetlands Greenhouse Gas Fluxes along a Tidal Gradient of Low Salinity Freshwater Forested Wetlands
A dynamic closed chamber system was used to measure in situ efflux rates of CO2, CH4, and N2O to the atmosphere from wetland soils along the Mattaponi and Pamunkey rivers. These greenhouse gas (GHG) flux measurements were taken quarterly from December 2015 to September 2017, at replicated hummock and hollow microtopography locations (where present) within each site. CO2 flux was measured...
Mississippi Barrier Islands Habitat Classification, National Wetlands Inventory, December 2017: (Cat Island, Ship Island, Horn Island, and Petit Bois Island) Mississippi Barrier Islands Habitat Classification, National Wetlands Inventory, December 2017: (Cat Island, Ship Island, Horn Island, and Petit Bois Island)
This data set consists of digital data describing wetlands and uplands habitats for the Mississippi Coastal Improvements Program (MsCIP) area, consisting of Cat, Ship, Horn and Petit Bois Islands for the year 2021. Wetlands were classified using the Cowardin et al. (1979) wetlands classification scheme to the level of freshwater and tidal salinity modifiers. For this dataset, upland...
Data from a Louisiana trapping effort targeting Razor-backed Musk Turtles (Sternotherus carinatus) from 2020 to 2022 Data from a Louisiana trapping effort targeting Razor-backed Musk Turtles (Sternotherus carinatus) from 2020 to 2022
This dataset contains data from a trapping effort targeting Razor-backed Musk Turtles (Sternotherus carinatus) across Louisiana.