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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>J. Micheal Johnson</dc:contributor>
  <dc:contributor>Mark Sondheim</dc:contributor>
  <dc:contributor>Michael Wieczorek</dc:contributor>
  <dc:contributor>Nels Frazier</dc:contributor>
  <dc:creator>David L. Blodgett</dc:creator>
  <dc:date>2021</dc:date>
  <dc:description>&lt;div id="abs0010" class="abstract author" lang="en"&gt;&lt;div id="abssec0010"&gt;&lt;p id="abspara0010"&gt;The Mainstems data model implements the&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;i&gt;catchment&lt;/i&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;and&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;i&gt;flowpath&lt;/i&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;concepts from WaterML2 Part 3: Surface Hydrology Features (HY_Features) for persistent, cross-scale, identification of hydrologic features. The data model itself provides a focused and lightweight method to describe hydrologic networks with minimum but sufficient information. The design is intended to provide a model for data integration that can be used for network navigation and persistent hydrologic indexing (hydrographic addressing) functionality. Mainstems is designed to provide long-term stability with minimal maintenance requirements. The data model is not meant to advance hydrologic process representation or uniquely represent geomorphic characteristics. The principle assumption in Mainstems is that all&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;i&gt;drainage basins&lt;/i&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;have one - and only one -&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;i&gt;headwater&lt;/i&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;source area and a single&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;i&gt;mainstem&lt;/i&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;that flows to a single&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;i&gt;outlet&lt;/i&gt;. Using these base feature types, (&lt;i&gt;headwater&lt;/i&gt;,&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;i&gt;outlet&lt;/i&gt;,&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;i&gt;mainstem&lt;/i&gt;, and&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;i&gt;drainage basin&lt;/i&gt;) a nested set of&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;i&gt;drainage basins&lt;/i&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;- and the associated dendritic network of&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;i&gt;mainstems&lt;/i&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;- can be identified.&lt;/p&gt;&lt;/div&gt;&lt;/div&gt;</dc:description>
  <dc:format>application/pdf</dc:format>
  <dc:identifier>10.1016/j.envsoft.2020.104927</dc:identifier>
  <dc:language>en</dc:language>
  <dc:publisher>Elsevier</dc:publisher>
  <dc:title>Mainstems: A logical data model implementing mainstem and drainage basin feature types based on WaterML2 Part 3: HY Features concepts</dc:title>
  <dc:type>article</dc:type>
</oai_dc:dc>