United States Department of Transportation
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Highway-Runoff Database (HRDB Version 1.0): A Data Warehouse and Preprocessor for the Stochastic Empirical Loading and Dilution Model
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2009-06-01
[PDF-2.98 MB]
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Edition:October 2003–September 30, 2009
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Abstract:The highway-runoff database (HRBD) was developed by the U.S. Geological Survey, in cooperation with the Federal Highway Administration, to serve as a data warehouse for current and future highway-runoff data sets. The database can be used to document information about a data set, monitoring site(s), highway-runoff data (including precipitation, runoff, and event-mean concentrations of water-quality constituents), quality-assurance and quality-control data, and sediment-quality data. The HRDB provides information and data that may be used to assess potential effects of highway runoff on receiving waters and the need for management measures to mitigate the potential for adverse effects on receiving waters. The HRDB application also was developed to serve as a data preprocessor for the Stochastic Empirical Loading and Dilution Model (SELDM). The HRDB application, which is the graphical user interface and associated computer code, can be used to facilitate estimation of statistical properties of runoff coefficients, runoff-quality statistics, and relations between water-quality variables in highway runoff from the available data. This report is a manual for step-by-step use of the HRDB graphical user interface and it documents the HRDB design and database application. Many highway-runoff studies have been done over the years to collect necessary data, but the data have not been available in a consistent and accessible electronic format. The HRBD currently includes 37 tables with data for 39,713 event mean concentration (EMC) measurements (including over 100 water-quality constituents) from 2,650 storm events, monitored at 103 highway-runoff monitoring sites in the conterminous United States, as documented in 7 selected highway-runoff data sets. These data include the 1990 FHWA data compilation and results from 6 other data sets collected during the period 1993–2005.
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Content Notes:Supplemental file includes plate of Highway Runoff Database (HRDB--Version 1.0) A Data Warehouse and Preprocessor for the Stochastic Empirical Loading and Dilution Model—PLATE
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