Catalog - Data.gov

Daily streamflow datasets used to analyze trends in streamflow at sites also analyzed for trends in water quality and ecological condition in the Nation's rivers and streams (output)

Organization: Department of the Interior
Updated: 20200826 | Harvested: July 18, 2025 at 08:07 AM

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 of the National...

xml
xml

Water-quality and streamflow datasets used in Seasonal Kendall trend tests for the Nation’s rivers and streams, 1972-2012 (input)

Organization: Department of the Interior
Updated: 20200826 | Harvested: July 18, 2025 at 08:04 AM

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 of the National...

xml
xml

Pesticide concentration and streamflow datasets used to evaluate pesticide trends in the Nation’s rivers and streams, 1992-2012 (input)

Organization: Department of the Interior
Updated: 20200826 | Harvested: July 18, 2025 at 07:58 AM

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 of the National...

xml
xml

Pesticide concentration and streamflow datasets used to evaluate pesticide trends in the Nation’s rivers and streams, 1992-2012 (output)

Organization: Department of the Interior
Updated: 20200826 | Harvested: July 18, 2025 at 07:58 AM

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 of the National...

xml
xml

Ecological community datasets used to evaluate the presence of trends in ecological communities in selected rivers and streams across the United States, 1992-2012 (input)

Organization: Department of the Interior
Updated: 20200826 | Harvested: July 18, 2025 at 08:05 AM

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 of the National...

xml
xml

Water-quality and streamflow datasets used in the Weighted Regressions on Time, Discharge, and Season (WRTDS) models to determine trends in the Nation’s rivers and streams, 1972-2012 (input)

Organization: Department of the Interior
Updated: 20200826 | Harvested: July 18, 2025 at 07:55 AM

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 of the National...

xml
xml

Water-quality and streamflow datasets used in the Weighted Regressions on Time, Discharge, and Season (WRTDS) models to determine trends in the Nation’s rivers and streams, 1972-2012(output)

Organization: Department of the Interior
Updated: 20200826 | Harvested: July 18, 2025 at 07:43 AM

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 of the National...

xml
xml

Datasets used to evaluate the effects of antecedent streamflow and sample timing on trend assessments of fish, invertebrate and diatom communities across the United States, 2002-12 (input)

Organization: Department of the Interior
Updated: 20200826 | Harvested: July 18, 2025 at 02:02 AM

Detecting trends in biological attributes is central to many stream monitoring programs; however, understanding how natural variability in environmental factors affects trend results is not well...

xml
xml

Datasets used to evaluate the effects of antecedent streamflow and sample timing on trend assessments of fish, invertebrate and diatom communities across the United States, 2002-12 (output)

Organization: Department of the Interior
Updated: 20200826 | Harvested: July 18, 2025 at 01:52 AM

Detecting trends in biological attributes is central to many stream monitoring programs; however, understanding how natural variability in environmental factors affects trend results is not well...

xml
xml

Water-quality and streamflow datasets used in Seasonal Kendall trend tests for the Nation’s rivers and streams, 1972-2012 (output)

Organization: Department of the Interior
Updated: 20200826 | Harvested: July 18, 2025 at 08:01 AM

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 of the National...

xml
xml

Daily streamflow datasets used to analyze trends in streamflow at sites also analyzed for trends in water quality and ecological condition in the Nation's rivers and streams (input)

Organization: Department of the Interior
Updated: 20200826 | Harvested: July 18, 2025 at 08:02 AM

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 of the National...

xml
xml

Ecological community datasets used to evaluate the presence of trends in ecological communities in selected rivers and streams across the United States, 1992-2012 (output)

Organization: Department of the Interior
Updated: 20200826 | Harvested: July 18, 2025 at 07:58 AM

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 of the National...

xml
xml

Search Data.gov