Annual Estimates of Water-Budget Components Based on Hydrograph Separation and PRISM Precipitation for Gaged Basins in the Appalachian Plateaus Region, 1900-2011

Metadata Updated: October 9, 2019

As part of the U.S. Geological Survey’s Groundwater Resources Program study of the Appalachian Plateaus aquifers, estimates of annual water-budget components were determined at 849 continuous-record streamflow gaging stations from Mississippi to New York. Base flow, which can serve as a proxy for annual recharge, streamflow, and runoff were estimated from computer programs—PART (Rutledge, 1993), HYSEP (Sloto and Crouse, 1996), and BFI (Wahl and Wahl, 1988)—that are included in the hydrograph analysis component provided with version 1.0 of the U.S. Geological Survey Groundwater Toolbox. Only complete years (January to December) of record at each gage were used to determine annual estimates. Estimates of base-flow index, which is the percentage of streamflow from base flow, are included in the annual and average tables. Precipitation was estimated by calculating the average of cell values in the PRISM dataset intercepted by basin boundaries where previously defined in the GAGES-II dataset (Falcone, 2011). Estimates of evapotranspiration were then calculated from the difference between precipitation and streamflow.

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License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Metadata Date June 29, 2015
Metadata Created Date October 9, 2019
Metadata Updated Date October 9, 2019
Reference Date(s) July 1, 2015 (publication)
Frequency Of Update notPlanned

Metadata Source

Harvested from DOI CKAN Harvest Source

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Map of the study area

Additional Metadata

Resource Type Dataset
Metadata Date June 29, 2015
Metadata Created Date October 9, 2019
Metadata Updated Date October 9, 2019
Reference Date(s) July 1, 2015 (publication)
Responsible Party U.S. Geological Survey, Viriginia Water Science Center (Point of Contact)
Contact Email
Access Constraints Use Constraints: None. Users are advised to read the data set's metadata thoroughly to understand appropriate use and data limitations., Access Constraints: None
Bbox East Long -75.5421
Bbox North Lat 42.7369
Bbox South Lat 32.5329
Bbox West Long -88.5772
Coupled Resource
Frequency Of Update notPlanned
Graphic Preview Description Map of the study area
Graphic Preview File
Graphic Preview Type jpg
Harvest Object Id aaed17b5-027b-4d2b-8f8f-dabd27650ef8
Harvest Source Id 34ce571b-cb98-4e0b-979f-30f9ecc452c5
Harvest Source Title DOI CKAN Harvest Source
Licence Although these data have been used by the U.S. Geological Survey, U.S. Department of the Interior, no warranty expressed or implied is made by the U.S. Geological Survey as to the accuracy of the data. The act of distribution shall not constitue any such warranty, and no responsibility is assumed by the U.S. Geological Survey in the use of this data, software, or related materials. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
Metadata Language
Metadata Type geospatial
Progress completed
Spatial Data Service Type
Spatial Reference System
Spatial Harvester true
Temporal Extent Begin 1900-01-01
Temporal Extent End 2011-01-01

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