<?xml version='1.0' encoding='utf-8'?>
<oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:contributor>Timothy L. Miller</dc:contributor>
  <dc:creator>Stuart W. McKenzie</dc:creator>
  <dc:date>1976</dc:date>
  <dc:description>&lt;p&gt;To assess urban storm-water-quality characteristics in the metropolitan area of Portland, Oreg., seven drainage basins were selected with varying drainage areas, basin slopes, impervious areas, land uses, and active construction areas. &amp;nbsp;Automatic water-quality samplers, rain gages, and stream gages were installed in each basin. &amp;nbsp;From September 1, 1975, to may 1, 1976, data were collected to determine rainfall intensities and define discharge hydrographs. &amp;nbsp;Almost 500 samples from the seven basins were analyzed to describe pollutographs for at least four complete storms on each of the basins. &amp;nbsp;In addition to the storm samples, several base-flow samples were collected and analyzed for each site.&lt;/p&gt;</dc:description>
  <dc:format>application/pdf</dc:format>
  <dc:identifier>10.3133/ofr76594</dc:identifier>
  <dc:language>en</dc:language>
  <dc:publisher>U.S. Geological Survey</dc:publisher>
  <dc:title>Basic data on urban storm-water quality, Portland, Oregon</dc:title>
  <dc:type>reports</dc:type>
</oai_dc:dc>