<?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>Michelle Sneed</dc:contributor>
  <dc:creator>Devin L. Galloway</dc:creator>
  <dc:date>2013</dc:date>
  <dc:description>&lt;p&gt;&lt;span class="ScopusTermHighlight"&gt;Regional&lt;/span&gt;&lt;span&gt;&amp;nbsp;aquifer-system compaction and land&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;subsidence&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;accompanying&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;groundwater&lt;/span&gt;&lt;span&gt;&amp;nbsp;abstraction in susceptible aquifer systems in the USA is a challenge for managing&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;groundwater&lt;/span&gt;&lt;span&gt;&amp;nbsp;resources and mitigating associated hazards. Developments in the assessment of&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;regional&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;subsidence&lt;/span&gt;&lt;span&gt;&amp;nbsp;provide more information to constrain analyses and&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;simulation&lt;/span&gt;&lt;span&gt;&amp;nbsp;of aquifer-system compaction. Current popular approaches to simulating vertical aquifer-system deformation (compaction), such as those embodied in the aquitard drainage model and the MODFLOW&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;subsidence&lt;/span&gt;&lt;span&gt;&amp;nbsp;packages, have proven useful from the perspective of&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;regional&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;groundwater&lt;/span&gt;&lt;span&gt;&amp;nbsp;resources assessment. However, these approaches inadequately address related local-scale hazards-ground ruptures and damages to engineered structures on the land surface arising from tensional stresses and strains&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;accompanying&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;groundwater&lt;/span&gt;&lt;span&gt;&amp;nbsp;abstraction. This paper presents a brief overview of the general approaches taken by the U.S. Geological Survey toward understanding aquifer-system compaction and&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;subsidence&lt;/span&gt;&lt;span&gt;&amp;nbsp;with regard to a) identifying the affected aquifer systems; b) making&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;regional&lt;/span&gt;&lt;span&gt;&amp;nbsp;assessments; c) analyzing the governing processes; and d) simulating historical and future&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;groundwater&lt;/span&gt;&lt;span&gt;&amp;nbsp;flow and&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;subsidence&lt;/span&gt;&lt;span&gt;&amp;nbsp;conditions. Limitations and shortcomings of these approaches, as well as future challenges also are discussed.&lt;/span&gt;&lt;/p&gt;</dc:description>
  <dc:format>application/pdf</dc:format>
  <dc:identifier>10.18268/BSGM2013v65n1a10</dc:identifier>
  <dc:language>en</dc:language>
  <dc:publisher>Instituto de Geológica</dc:publisher>
  <dc:title>Analysis and simulation of regional subsidence accompanying groundwater abstraction and compaction of susceptible aquifer systems in the USA</dc:title>
  <dc:type>article</dc:type>
</oai_dc:dc>