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<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>Karen L. Prestegaard</dc:contributor>
  <dc:contributor>Brian A. Needelman</dc:contributor>
  <dc:contributor>Allen C. Gellis</dc:contributor>
  <dc:creator>Olivia H. Devereux</dc:creator>
  <dc:date>2010</dc:date>
  <dc:description>&lt;p&gt;&lt;span&gt;Fine sediment&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;sources&lt;/span&gt;&lt;span&gt;&amp;nbsp;were characterized by chemical composition&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;in&lt;/span&gt;&lt;span&gt;&amp;nbsp;an&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;urban&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;watershed&lt;/span&gt;&lt;span&gt;, the&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;Northeast&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;Branch&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;Anacostia&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;River&lt;/span&gt;&lt;span&gt;, which drains to the Chesapeake Bay. Concentrations of 63 elements and two radionuclides were measured&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;in&lt;/span&gt;&lt;span&gt;&amp;nbsp;possible land-based sediment&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;sources&lt;/span&gt;&lt;span&gt;&amp;nbsp;and&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;suspended sediment&lt;/span&gt;&lt;span&gt;&amp;nbsp;collected from the water column at the&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;watershed&lt;/span&gt;&lt;span&gt;&amp;nbsp;outlet during storm events. These tracer concentrations were used to determine the relative quantity of&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;suspended sediment&lt;/span&gt;&lt;span&gt;&amp;nbsp;contributed by each&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;source&lt;/span&gt;&lt;span&gt;. Although this is an urbanized&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;watershed&lt;/span&gt;&lt;span&gt;, there was not a distinct&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;urban&lt;/span&gt;&lt;span&gt;&amp;nbsp;signature that can be evaluated except for the contributions from road surfaces. We identified the&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;sources&lt;/span&gt;&lt;span&gt;&amp;nbsp;of fine sediment by both physiographic province (Piedmont and Coastal Plain) and&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;source&lt;/span&gt;&lt;span&gt;&amp;nbsp;locale (streambanks, upland and street residue) by using different sets of elemental tracers. The Piedmont contributed the majority of the fine sediment for seven of the eight measured storms. The streambanks contributed the greatest quantity of fine sediment when evaluated by&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;source&lt;/span&gt;&lt;span&gt;&amp;nbsp;locale. Street residue contributed 13% of the total&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;suspended sediment&lt;/span&gt;&lt;span&gt;&amp;nbsp;on average and was the&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;source&lt;/span&gt;&lt;span&gt;&amp;nbsp;most concentrated&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;in&lt;/span&gt;&lt;span&gt;&amp;nbsp;anthropogenically enriched elements. Combining results from the&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;source&lt;/span&gt;&lt;span&gt;&amp;nbsp;locale and physiographic province analyses, most fine sediment&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;in&lt;/span&gt;&lt;span&gt;&amp;nbsp;the&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;Northeast&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;Branch&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;watershed&lt;/span&gt;&lt;span&gt;&amp;nbsp;is derived from streambanks that contain sediment eroded from the Piedmont physiographic province of the&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;watershed&lt;/span&gt;&lt;span&gt;. Sediment fingerprinting analyses are most useful when longer term evaluations of sediment erosion and storage are also available from streambankerosion measurements, sediment budget and other methods.&amp;nbsp;&lt;/span&gt;&lt;/p&gt;</dc:description>
  <dc:format>application/pdf</dc:format>
  <dc:identifier>10.1002/hyp.7604</dc:identifier>
  <dc:language>en</dc:language>
  <dc:publisher>Wiley</dc:publisher>
  <dc:title>Suspended-sediment sources in an urban watershed, Northeast Branch Anacostia River, Maryland</dc:title>
  <dc:type>article</dc:type>
</oai_dc:dc>