Found 140 datasets matching filters.
-
This dataset contains estimates of the yearly sum of total nitrogen and total phosphorus (hereafter referred to as nitrogen and phosphorus) inputs from fertilizer applications and from manure...
Search relevance: 1.00 | Views last month: 24 | Catalog Last Checked: May 05, 2026 at 08:09 PM -
Broad-area, high-resolution, boat-based water quality mapping surveys of the Sacramento-San Joaquin Delta and Suisun Bay (Delta) of California, USA were conducted under different...
Search relevance: 1.00 | Views last month: 16 | Catalog Last Checked: May 05, 2026 at 09:00 PM -
The dataset documents the spatial and temporal variability of nutrients and related water quality parameters at high spatial resolution in the North Delta of the Sacramento-San Joaquin River Delta...
Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: May 05, 2026 at 08:32 PM -
The goal of this study was to develop a suite of inter-related water quality monitoring approaches capable of modeling and estimating the spatial and temporal gradients of particulate and...
Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: May 05, 2026 at 08:38 PM -
This U.S. Geological Survey (USGS) Data Release provides high-resolution, nearshore, spatial water-quality data collected from Skaneateles Lake, New York, on August 23, 2018. All data are reported...
Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: May 05, 2026 at 09:52 PM -
This U.S. Geological Survey (USGS) Data Release is focused on the geochemistry of wells within the oil zone and groundwater monitoring wells away from the oiled zone at the National Crude Oil...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: May 05, 2026 at 09:33 PM -
These data were compiled to better understand the controls on the magnitude of the metalimnion low dissolved oxygen zone in Lake Powell reservoir. These data represent dissolved oxygen, total...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: May 05, 2026 at 07:34 PM -
This U.S. Geological Survey (USGS) data release includes input and output tabular files associated with mean seasonal 2002 simulations of total nitrogen and total phosphorus loads of the...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: May 05, 2026 at 08:58 PM -
This U.S. Geological Survey (USGS) Data Release is focused on the geochemistry of wastewater (including flowback and produced water) samples, co-produced with natural gas, collected from the...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 05, 2026 at 08:42 PM -
This data release documents the spatial and temporal variability of nutrients and related water quality parameters at high spatial resolution in the western and central portion of the...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 09:35 PM -
Water-quality data were collected by the Providence Water Supply Board (PWSB) from tributaries in the Scituate Reservoir drainage area, October 2015 through September 2016 (water year 2016). These...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 10:17 PM -
This data release documents the spatial and temporal variability of nutrients and related water quality parameters at high spatial resolution in Suisun Marsh and Suisun Bay in the San Francisco...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 07:43 PM -
Oklahoma State University South-Central Research Station (SCRS) was used to conduct research to understand the chemical composition of various water types and their potential environmental and...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 08:58 PM -
This dataset includes laboratory analyses of surface water samples and sediment trap material collected from (1) locations upstream, downstream, and within the Hells Canyon Complex (Idaho, Oregon)...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 09:33 PM -
As part of the Great Lakes Restoration Initiative, the U.S. Department of Agriculture, Natural Resources Conservation Service; U.S. Environmental Protection Agency; and the U.S. Geological Survey...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 08:12 PM -
In 2014, the USGS Lake Erie Biological Station participated in the Coordinated Science and Monitoring Initiative (CMSI) program, a program founded by the U.S. Environmental Protection Agency (EPA)...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 07:34 PM -
In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA) project. One of the major...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 05, 2026 at 08:35 PM -
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 study of the effects of land...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 05, 2026 at 08:05 PM -
Water-quality data were collected by the Providence Water Supply Board (PWSB) from tributaries in the Scituate Reservoir drainage area, October 2016 through September 2017 (water year 2017)....
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 09:03 PM -
The Hamilton Wetland Restoration Project (HWRP) is a joint venture between the US Army Corps of Engineers (USACE; San Francisco District) and the California State Coastal Conservancy. The site is...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 08:39 PM
