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#1 Federal

Long-term mean annual total nitrogen and total phosphorus loads estimated using Fluxmaster 5-parameter models and detrended to 2012, Midwest Region of the United States, 1999-2014

Organization: Department of the Interior
Dataset Last Updated: March 01, 2021 at 12:00 AM

This USGS data release contains long-term mean annual total nitrogen and total phosphorus load estimates, and the model coefficients used to obtain the load estimates, for streams in the Midwest...

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Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 05:22 AM

#2 Federal

Water-quality and streamflow datasets used for estimating loads considered for use in the 2002 Midcontinent nutrient SPARROW models, United States and Canada, 1970-2012

Organization: Department of the Interior
Dataset Last Updated: August 27, 2020 at 12:00 AM

The United States Geological Survey’s (USGS) SPAtially Referenced Regressions On Watershed attributes (SPARROW) model was developed to aid in the interpretation of monitoring data and simulate...

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Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 03:28 AM

#3 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

Organization: Department of the Interior
Dataset Last Updated: August 26, 2020 at 12:00 AM

The United States Geological Survey’s (USGS) SPAtially Referenced Regressions On Watershed attributes (SPARROW) model was developed to aid in the interpretation of monitoring data and simulate...

xml
xml

Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 05:47 AM

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Long-term mean annual total nitrogen and total phosphorus loads estimated using Fluxmaster 5-parameter models and detrended to 2012, Midwest Region of the United States, 1999-2014

Water-quality and streamflow datasets used for estimating loads considered for use in the 2002 Midcontinent nutrient SPARROW models, United States and Canada, 1970-2012

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