Found 371 datasets matching filters.
-
This dataset contains the Digital Elevation Model (DEM) for North America from the Hydrologic Derivatives for Modeling and Analysis (HDMA) database. The DEM data were developed and distributed by...
Search relevance: 1.00 | Views last month: 25 | Published on: 2026-03-03 -
The Environmental Monitoring and Assessment Program (EMAP) was a national research program run by EPA’s Office of Research and Development from 1990 to 2008 to develop the tools necessary to...
Search relevance: 1.00 | Views last month: 22 | Published on: 2025-07-31 -
This dataset contains WQI scores (parameter-specific, monthly, and annual scores) for water quality monitoirng data collected through the County’s ambient stream water quality monitoring program.
Search relevance: 1.00 | Views last month: 18 | Published on: 2026-03-07 -
DEC stocks approximately 900,000 pounds of fish into more than 1,200 public streams, rivers, lakes and ponds across the state. Also included in the data are public stockings by Essex, Onondaga and...
Search relevance: 1.00 | Views last month: 11 | Published on: 2025-09-08 -
Drying has a major impact on pattern and process in streams, particularly in small or headwater streams. Such streams that dry recurrently are called non-perennial streams and represent most of...
Search relevance: 1.00 | Views last month: 8 | Published on: 2025-09-28 -
Prior to downloading data, please download the README file. This dataset contains water quality samples collected from Puget Sound, lakes, and streams in the region which can be filtered by...
Search relevance: 1.00 | Views last month: 8 | Published on: 2026-03-07 -
This dataset contains the African continent from the Hydrological Derivatives for Modeling and Analysis (HDMA) database. The HDMA database provides comprehensive and consistent global coverage of...
Search relevance: 1.00 | Views last month: 7 | Published on: 2026-03-03 -
ARG, intI1, fecal indicator bacteria PCR data. This dataset is associated with the following publication: Keely, S., N. Brinkman, E. Wheaton, M. Jahne, S. Siefring, M. Varma, R. Hill, S....
Search relevance: 1.00 | Views last month: 7 | Published on: 2025-08-02 -
This dataset contains the Compound Topographic Index (CTI) for Australasia from the Hydrologic Derivatives for Modeling and Analysis (HDMA) database. The data were developed and distributed by...
Search relevance: 1.00 | Views last month: 7 | Published on: 2026-03-03 -
R code and data files used to identify diatom metrics that are robust to taxonomic inconsistency. The R code run a goodness of fit analysis to determine how much variation is explained by analyst...
Search relevance: 1.00 | Views last month: 6 | Published on: 2025-08-02 -
Datasets contain original and revised Index of Watershed Integrity (IWI) and Index of Catchment Integrity (ICI), as well as sub-components that were used to develop the indices and water quality...
Search relevance: 1.00 | Views last month: 5 | Published on: 2025-08-02 -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The stream reaches are color coded according to the Combined Index of Biotic Integrity (CIBI) scores of...
Search relevance: 1.00 | Views last month: 5 | Published on: 2025-08-02 -
Reynolds Creek Experimental Watershed discharge records are available for 13 stations with varying lengths of record ranging from 8 to 34 years. The U.S. Department of Agriculture, Agricultural...
Search relevance: 1.00 | Views last month: 5 | Published on: 2026-01-27 -
Throughout the world, freshwater ecosystems are considered to be among the most vulnerable systems. In the isolated Pacific islands, there are a relatively small number of native freshwater...
Search relevance: 1.00 | Views last month: 5 | Published on: 2026-01-25 -
This dataset contains the slope for Africa from the Hydrologic Derivatives for Modeling and Analysis (HDMA) database. The slope data were developed and distributed by processing units. There are...
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-03-03 -
In this data release, we provide data to describe the water quality in Green Lake, Wisconsin, from 1905 to 2020, primarily the constituents for which it is impaired, including near-surface total...
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-03-03 -
water quality data collected along flow paths from Willamette and Licking Rivers. This dataset is associated with the following publication: Shelton, S., S. Kaushal, P. Mayer, R. Shatkay, M....
Search relevance: 1.00 | Views last month: 4 | Published on: 2025-08-02 -
The National Rivers and Streams Assessment (NRSA) is a statistical survey of the condition of our nation's perennial rivers and streams. It is designed to provide information on the extent of...
Search relevance: 1.00 | Views last month: 4 | Published on: 2025-08-02 -
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands, Guam, American...
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-03-07
