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Federal
Chesapeake Bay River Input Monitoring Network 1985-2020: Short- and long-term trends
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring... -
Federal
MODFLOW-NWT model of groundwater flow in the Ozark Plateaus aquifer system, version 1.1
Department of the Interior —
A previously developed groundwater flow model (https://doi.org/10.3133/sir20185035) was modified and used as the primary tool to assess groundwater availability in... -
Federal
Chemical Data From 40 Years of Monitoring a Treated-Wastewater Groundwater Plume in a Sand and Gravel Aquifer, Cape Cod, Massachusetts, 1978-2018 (ver. 1.1, April 2025)
Department of the Interior —
This U.S. Geological Survey data release provides a comprehensive dataset of water-quality data and sampling-site characteristics collected in 1978–2018 during a... -
Federal
Thermal camera images of lava lake and crater filling activity at Puʻuʻōʻō, East Rift Zone of Kīlauea Volcano, Island of Hawaiʻi, 2011-2019
Department of the Interior —
The 35-year-long Puʻuʻōʻō eruption, on the East Rift Zone of Kīlauea Volcano, was the longest volcanic eruption on the Island of Hawaiʻi in the past 100 years (Wright... -
Federal
Fallout-radionuclide activity in samples collected from fine-grained, streambed sediment in the Little Flatrock Creek stream-channel network, Ohio, 2019
Department of the Interior —
These data are comprised of beryllium-7 (7Be) and excess lead-210 (210Pbxs) activity for fine-grained, mobile, streambed sediment at seven reaches in the Little... -
Federal
Regional Trends of Isotopic Composition in Total Gaseous Mercury Across the United States
Department of the Interior —
The dataset presented here represents the concentrations and stable isotopic composition of gaseous mercury (Hg) for 31 sites across the United States. This national-... -
Federal
Watershed Boundaries for the U.S. Geological Survey National Water Quality Network
Department of the Interior —
The National Water Quality Network (NWQN) for Rivers and Streams includes 113 surface-water river and stream sites monitored by the U.S. Geological Survey (USGS)... -
Federal
Stochastic Empirical Loading and Dilution Model (SELDM) model archive and instructions for the Siskiyou Pass, Oregon
Department of the Interior —
Chloride deicers have been applied by the Oregon Department of Transportation (ODOT) to Interstate-5 (I-5) from the Oregon-California border north to mile marker 10... -
Federal
Fallout-radionuclide activity in samples collected from fine-grained, streambed sediment in the Black Creek, Indiana stream-channel network, 2019
Department of the Interior —
These data provide beryllium-7 (7Be) and excess lead-210 (210Pbxs) activity for fine-grained, mobile, streambed sediment in the Black Creek, Indiana (IN) stream-... -
Federal
Nutrient and pesticide data collected from the USGS National Water Quality Network and previous networks, 1963-2018
Department of the Interior —
The National Water Quality Network (NWQN) for Rivers and Streams includes 110 surface-water river and stream sites monitored by the U.S. Geological Survey (USGS)... -
Federal
Nitrogen, phosphorus, and suspended-sediment loads and trends measured at the Chesapeake Bay River Input Monitoring stations: Water years 1985-2020
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring... -
Federal
Nitrogen, phosphorus, and suspended-sediment loads and trends measured at the Chesapeake Bay River Input Monitoring stations: Water years 1985-2022
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring... -
Federal
Nitrogen, phosphorus, and suspended-sediment loads and trends measured at the Chesapeake Bay Nontidal Network stations: Water years 1985-2020 (ver. 2.0, January 2023)
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring... -
Federal
Nitrogen biogeochemistry in a boreal headwater stream network in Interior Alaska, 2008 to 2011
Department of the Interior —
High latitude, boreal watersheds are nitrogen-limited ecosystems that export large amounts of organic carbon. Key controls on carbon cycling in these environments are... -
Federal
Annual Ranges of Mule Deer in the Rainbow Valley Herd in Arizona
Department of the Interior —
The Rainbow Valley mule deer (Odocoileus hemionus) reside in the expansive Sonoran Desert flat between the Sierra Estrella Mountains and the North Maricopa Mountains.... -
Federal
Migration Routes of Mule Deer in the Loyalton Herd in California and Nevada
Department of the Interior —
The Loyalton mule deer (Odocoileus hemionus) herd winters west and northwest of Reno, Nevada along the California-Nevada border, extending into the Peterson... -
Federal
Upper Colorado River Basin SPARROW model catchments and synthetic stream network - 2017
Department of the Interior —
This data collection consists of a synthetic stream network and associated catchments developed as the foundation for a Spatially Referenced Regressions on Watershed... -
Federal
Select Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Network Routed Upstream Watersheds for the Conterminous United States (ver. 5.0, June 2025)
Department of the Interior —
This metadata record describes a series of data sets of natural and anthropogenic landscape features linked to NHDPlus Version 2.1’s (NHDPlusV2) approximately 2.7... -
Federal
Water-quality and streamflow datasets used for estimating long-term mean streamflow and annual loads to be considered for use in the 2012 regional streamflow, nutrient and sediment SPARROW models, United States, 1999-2014
Department of the Interior —
The United States Geological Survey’s (USGS) SPAtially Referenced Regressions On Watershed attributes (SPARROW) model was developed to aid in the interpretation of... -
Federal
Summary Descriptive Characteristics by Catchment Concerning Lidar-derived Ditches in Eastern North Carolina, 2014-2015
Department of the Interior —
Artificial drainage has major ecosystem impacts through the development of extensive ditch networks that reduce storage and induce large-scale vegetation changes....