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Application of spatially referenced regression modeling for the ...
www.usgs.gov/index.php/publications/application-spatially-referenced-regression-modeling-evaluation-total-nitrogen-loading
The reduction of stream nutrient loads is an important part of current efforts to improve water quality in the Chesapeake Bay. To design programs that ...
Sources, Fate, and Transport of Nitrogen and Phosphorus in the ...
pubs.usgs.gov/sir/2011/5167/
Abstract. Spatially Referenced Regression on Watershed Attributes (SPARROW) was used to provide empirical estimates of the sources, fate, and ...
SPARROW Modeling of Nutrients in the Chesapeake Bay Watershed - USGS
water.usgs.gov/nawqa/sparrow/chesbay/ches.html
Spatially referenced regression modeling is a statistical technique that uses spatial information to provide nutrient-load predictions that are more s ...
Estimation of Total Nitrogen and Phosphorus in New England Streams ...
pubs.usgs.gov/sir/2004/5012/
ABSTRACT. The U.S. Geological Survey (USGS), in cooperation with the U.S. Environmental Protection Agency (USEPA) and the New England Interstate Water ...
SPARROW Model Inputs and Estimated Effects of Agricultural Conservation ...
www.usgs.gov/data/sparrow-model-inputs-and-estimated-effects-agricultural-conservation-practices-total-nitrogen
Spatial data provided by the U.S. Department of Agriculture National Resource Conservation Service representing implementation at the field-level for ...
Application of Spatially Referenced Regression Modeling for the ...
pubs.usgs.gov/wri/wri99-4054/
Abstract. The reduction of stream nutrient loads is an important part of current efforts to improve water quality in the Chesapeake Bay. To design ...
Sources, fate, and transport of nitrogen and phosphorus in the ...
www.usgs.gov/publications/sources-fate-and-transport-nitrogen-and-phosphorus-chesapeake-bay-watershed-empirical
Spatially Referenced Regression on Watershed Attributes (SPARROW) was used to provide empirical estimates of the sources, fate, and transport of total ...
Inputs and Selected Predictions of a Differential Spatially Referenced ...
www.usgs.gov/data/inputs-and-selected-predictions-a-differential-spatially-referenced-regression-model-20-year
A pilot implementation was developed to explore factors influencing changes in flow-normalized flux of total nitrogen over the period 1990-2010 at 43 ...
Response of nitrogen loading to the Chesapeake Bay to source reduction ...
pubs.usgs.gov/publication/70206669
The response of total nitrogen (TN) loads delivered to the Bay to nine source reduction and land use change scenarios was estimated using a Spatially ...
Estimated reduction of nitrogen in streams of the Chesapeake Bay in ...
www.usgs.gov/index.php/publications/estimated-reduction-nitrogen-streams-chesapeake-bay-areas-agricultural-conservation
Spatial data provided by the U.S. Department of Agriculture National Resource Conservation Service representing implementation at the field-level for ...
Sources, fate, and transport of nitrogen and phosphorus in the ...
pubs.usgs.gov/publication/sir20115167
Spatially Referenced Regression on Watershed Attributes (SPARROW) was used to provide empirical estimates of the sources, fate, and transport of total ...
Spatially referenced models of streamflow and nitrogen, phosphorus, and ...
pubs.usgs.gov/publication/sir20195114
In this report, SPAtially Referenced Regression On Watershed attributes (SPARROW) models developed to describe long-term (2000–14) mean-annual ...
USGS Circular 1316 Chapter 3: Factors Affecting the Distribution and ...
pubs.usgs.gov/circ/circ1316/html/circ1316chap3.html
Figure 3.2. Distribution of total nitrogen yield in the Shenandoah Valley tributary strategy basin. (A) Incremental yield of total nitrogen is the ...
Reducing Nitrogen Loading to Chesapeake Bay - USGS.gov
www.usgs.gov/news/targeted-management-small-number-catchments-may-help-reduce-nitrogen-loading-chesapeake-bay
A new USGS study uses the SPARROW (SPAtially Referenced Regression On Watershed attributes) model to assess how nitrogen loading to the Chesapeake Bay ...
Spatially referenced models of streamflow and nitrogen, phosphorus, and ...
pubs.usgs.gov/publication/sir20195135
Spatially Referenced Regression On Watershed attributes (SPARROW) models were applied to describe and estimate mean-annual streamflow and transport of ...
Targeted management of a small number of catchments may help reduce ...
www.usgs.gov/centers/chesapeake-bay-activities/science/targeted-management-a-small-number-catchments-may-help
A new USGS study uses the SPARROW (SPAtially Referenced Regression On Watershed attributes) model to assess how nitrogen loading to the Chesapeake Bay ...
Toward explaining nitrogen and phosphorus trends in Chesapeake Bay ...
pubs.usgs.gov/publication/70203385
Understanding trends in stream chemistry is critical to watershed management, and often complicated by multiple contaminant sources and landscape ...
SPARROW model input datasets and predictions for predicting near-term ...
www.usgs.gov/data/sparrow-model-input-datasets-and-predictions-predicting-near-term-effects-climate-change
This data release includes 5 files containing model inputs and resulting model predictions. A previously-calibrated spatially referenced regression (S ...
Spatially referenced models of streamflow and nitrogen, phosphorus, and ...
pubs.usgs.gov/publication/sir20195118
SPAtially Referenced Regression On Watershed attributes (SPARROW) models were developed to quantify and improve the understanding of the sources ...
Sources, Fate, and Transport of Nitrogen and Phosphorus in the ...
www.usgs.gov/centers/chesapeake-bay-activities/science/sources-fate-and-transport-nitrogen-and-phosphorus
As the largest and most productive estuary in North America, Chesapeake Bay is a vital ecological and economic resource. The bay and its tributaries ...