198 datasets found

Reactive nitrogen is transported from the atmosphere to the landscape as wet and dry deposition that contributes to annual nitrogen loads to the Chesapeake Bay. Estimates of...

This data package was created 2024-10-17 17:25:18 by NPSTORET and includes selected project, location, and result data. Data are from the block design study of the Influence of...

This raster data set delineates the predicted probability of elevated nitrate concentrations in groundwater in the Eagle River watershed valley-fill aquifer, Eagle County,...

This raster data set delineates the predicted probability of unmixed young groundwater (defined using chlorofluorocarbon-11 concentrations and tritium activities) in groundwater...

Hydraulic connection between channels and floodplains (“connectivity”) is a fundamental determinant of ecosystem function in large floodplain rivers. Factors controlling...

The dataset presents 5- or 15-minute data for turbidity and Fluorescent Dissolved Organic Matter (FDOM) measured by in-stream sensors at the USGS gage Río Icacos near Naguabo...

This dataset is one of eight datasets produced by this study. Four of the datasets predict the probability of detecting atrazine and(or) desethyl-atrazine (a breakdown product...

During water years 2016–2022 (a water year begins on October 1 and ends on September 30), the U.S. Geological Survey (USGS), in cooperation with the Illinois Environmental...

This dataset contains carbonate system data collected by scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center to investigate the...

Based on the volcano plot developed by Dr. Goldsmith group (Report linked in submission), we utilized DFT (density functional theory) calculations to search for bimetallic...

These four files each contain 24-hour PM2.5 concentrations collected between 2000-2015. This dataset is associated with the following publication: Chan, E., B. Gantt, and S....

This data set represents the percent of orchards/vineyards land cover in the conterminous United States. The data set was used as an input data layer for a national model to...

This data package was created 2025-02-19 15:41:53 by NPSTORET and includes selected project, location, and result data. Data contained in the Appalachian Highlands Network...

This data package was created 2025-07-08 12:01:09 by NPSTORET and includes selected project, location, and result data. Data contained in the Greater Yellowstone Network...

This data package was created 2024-10-18 14:37:54 by NPSTORET and includes selected project, location, and result data. Data contained in the Appalachian Highlands Network...

This data set represents "water input," the ratio of the total area of irrigated land to precipitation, in square kilometers per centimeter, in the conterminous United States....

This data package was created 2025-01-14 12:52:04 by NPSTORET and includes selected project, location, and result data. The Shenandoah National Park - University of Virginia...

This data release supports an analysis of changes in dissolved organic carbon (DOC) and nitrate concentrations in Buck Creek watershed near Inlet, New York 2001 to 2021. The...

This dataset compiles surface water chemistry data from 1980 to 2020 and will be updated annually with an approximate lag time of one year. Data are collected in four regions in...

The U.S. Geological Survey’s National Water Quality Network (NWQN) is the primary source of data to monitor trends in contaminants in groundwater in the United States. However,...