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USGS Water Science Centers are located in each state.

 [Map: There is a USGS Water Science Center office in each State.] Washington Oregon California Idaho Nevada Montana Wyoming Utah Colorado Arizona New Mexico North Dakota South Dakota Nebraska Kansas Oklahoma Texas Minnesota Iowa Missouri Arkansas Louisiana Wisconsin Illinois Mississippi Michigan Indiana Ohio Kentucky Tennessee Alabama Pennsylvania West Virginia Georgia Florida Caribbean Alaska Hawaii and Pacific Islands New York Vermont New Hampshire Maine Massachusetts South Carolina North Carolina Rhode Island Virginia Connecticut New Jersey Maryland-Delaware-D.C.

PART: A computerized method of base-flow-record estimation

This web site includes information about the use of the PART computer program for analyzing a streamflow record. The version at this site will read streamflow data in the format that is available from USGS web sites.

The computer program PART uses streamflow partitioning to estimate a daily record of groundwater discharge under the streamflow record. The method designates groundwater discharge to be equal to streamflow on days that fit a requirement of antecedent recession, linearly interpolates groundwater discharge for other days, and is applied to a long period of record to obtain an estimate of the mean rate of groundwater discharge.

PART Downloads

  • 1/27/2014 Notice to users:
    We have received reports that SCREEN.exe is being flagged as malware by some antivirus programs. SCREEN.exe is distributed with PART. (SCREEN is a utility program that displays the period of streamflow record to identify months that have complete and incomplete streamflow records.) To the best of our knowledge, this is a false-positive report for the original SCREEN.EXE file served as part of the PART.EXE file available from this web site. It may take a few days for antivirus program definitions to fully update and resolve the problem. Please note that the USGS has no control over files distributed from non-USGS web sites; the only official USGS versions of PART and SCREEN are served from this web page. If you have additional questions, please contact us at ogw_webmaster@usgs.gov.
  • 7/23/2013 Notice to users:
    We have received reports that PART.exe is being flagged as malware by some antivirus programs. To the best of our knowledge, this is a false-positive report for the original PART.EXE file served from this web site. It may take a few days for antivirus program definitions to fully update and resolve the problem. Please note that the USGS has no control over PART software distributed from non-USGS web sites; the only official USGS version of PART is the file served from this web page. If you have additional questions, please contact us at ogw_webmaster@usgs.gov.
  • PART version 2.0 software, documentation, and sample data sets (1.3MB EXE ), updated March 2012
  • README file describing files included in EXE file, including a version history

Background Literature

Point of Contact

Comments about this site can be sent to Paul Barlow.

Other USGS Groundwater Software

The USGS develops groundwater RSS, water-quality, surface-water, and other water-resources software for use by the USGS in fulfilling its mission. Most of this software is available online for download at no charge.

Disclaimers and Notices

Please refer to the USGS Software User Rights Notice for complete use, copyright, and distribution information. The USGS provides no warranty, expressed or implied, as to the correctness of the furnished software or the suitability for any purpose. The software has been tested, but as with any complex software, there could be undetected errors. Users who find errors are requested to report them to the USGS.

References to non-USGS products, trade names, and (or) services are provided for information purposes only and do not constitute endorsement or warranty, express or implied, by the USGS, U.S. Department of Interior, or U.S. Government, as to their suitability, content, usefulness, functioning, completeness, or accuracy.


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URL: http://water.usgs.gov/ogw/part/index.html
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Page Last Modified: Monday, 27-Jan-2014 17:04:24 EST