MD-DE-DC WSC Modeling Capabilities

MODFLOW

MODFLOW

The internationally recognized USGS modular hydrologic model for simulating and predicting groundwater conditions and groundwater/surface-water interactions. MODFLOW is a commonly-used tool at the MD-DE-DC Water Science Center.

MODFLOW 6

SPARROW modeling

SPARROW modeling

SPARROW is a hybrid statistical and mechanistic approach for modeling the sources, fate, and transport of contaminants in watersheds. SPARROW was developed by the USGS in the 1990s and has been used extensively within the MD-DE-DC WSC ever since.

MORE INFORMATION

Precipitation Runoff Modeling

Precipitation Runoff Modeling

The Precipitation-Runoff Modeling System is a deterministic, distributed-parameter, physical process based modeling system developed to evaluate the response of various combinations of climate and land use on streamflow and watershed hydrology.

See PRMS here...

Science Center Objects

USGS models are widely used to predict responses of hydrologic systems to changing stresses, such as increases in precipitation or ground-water pumping rates, as well as to predict the fate and movement of solutes and contaminants in water.

The USGS is at the forefront of devising new techniques and computer software to solve practical problems in the study of water resources. Predictive models are needed to make informed decisions in many emerging areas related to the effects of water resources development. New models and methods enhance all USGS water programs. State and local governments as well as scientists and engineers in the private sector regularly use USGS models as an integral part of their work.

Some of Our Work

SPARROW (SPAtially Referenced Regression On Watershed attributes)

SPARROW is a hybrid statistical and mechanistic approach for modeling the sources, fate, and transport of contaminants in watersheds. SPARROW was developed by the USGS in the 1990s and has been used widely in the mid-Atlantic Region, the wider United States, and elsewhere. SPARROW has been used extensively within the MD-DE-DC Water Science Center to support improved understanding of the multiple natural and human factors affecting the occurrence, distribution, and changes over time in nutrients and sediment in surface waters.

MORE SPARROW INFORMATION HERE

Some SPARROW-Related Publications

Spatially Referenced Models of Streamflow and Nitrogen, Phosphorus, and Suspended-Sediment Loads in Streams of the Northeastern United States

By: Scott W. Ator

Toward Explaining Nitrogen and Phosphorus Trends in Chesapeake Bay Tributaries, 1992–2012

By: Scott W. Ator, Ana Maria García, Gregory E. Schwarz, Joel D. Blomquist, and Andrew J. Sekellick

Application of SPARROW Modeling to Understanding Contaminant Fate and Transport from Uplands to Streams

By: Scott W. Ator, Ana Maria García

Sources, fate, and transport of nitrogen and phosphorus in the Chesapeake Bay watershed-An empirical model

By: Scott W. Ator, John W. Brakebill, and Joel D. Blomquist

Simulating Stream Transport of Nutrients in the Eastern United States, 2002, Using a Spatially-Referenced Regression Model and 1:100,000-Scale Hydrography

By Anne B. Hoos, Richard B. Moore, Ana Maria Garcia, Gregory B. Noe, Silvia E. Terziotti, Craig M. Johnston, and Robin L. Dennis

 

MTC (More to Come)