land subsidence and earth fissures in arizona - The Arizona ...
land subsidence and earth fissures in arizona - The Arizona ...
land subsidence and earth fissures in arizona - The Arizona ...
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LAND SUBSIDENCE & EARTH FISSURES IN ARIZONA<br />
PREFACE<br />
<strong>The</strong> <strong>Arizona</strong> L<strong>and</strong> Subsidence Group (ALSG) was orig<strong>in</strong>ally created by <strong>in</strong>terested geological<br />
<strong>and</strong> eng<strong>in</strong>eer<strong>in</strong>g professionals as a technical forum to discuss the state of knowledge regard<strong>in</strong>g<br />
<strong>subsidence</strong> <strong>and</strong> <strong>earth</strong> <strong>fissures</strong> <strong>in</strong> <strong>Arizona</strong>, <strong>and</strong> to share <strong>in</strong>formation <strong>and</strong> experiences. <strong>The</strong><br />
<strong>Arizona</strong> Geological Survey (AZGS) subsequently requested that the ALSG serve as a technical<br />
advisory committee for their State-m<strong>and</strong>ated Earth Fissure Mapp<strong>in</strong>g Program. <strong>The</strong> ALSG is a<br />
voluntary collaboration of professionals that <strong>in</strong>cludes representatives from AZGS, the <strong>Arizona</strong><br />
Department of Water Resources (ADWR), the <strong>Arizona</strong> Department of Environmental Quality<br />
(ADEQ), the Flood Control District of Maricopa County (FCDMC), the United States Geological<br />
Survey (USGS), P<strong>in</strong>al County, the University of <strong>Arizona</strong>, <strong>Arizona</strong> State University, various<br />
utilities serv<strong>in</strong>g <strong>Arizona</strong>, <strong>and</strong> consult<strong>in</strong>g geoscience <strong>and</strong> eng<strong>in</strong>eer<strong>in</strong>g specialists.<br />
This white paper has been created by ALSG to help educate stakeholders <strong>and</strong> decision makers<br />
by describ<strong>in</strong>g the geological features <strong>and</strong> processes of <strong>l<strong>and</strong></strong> <strong>subsidence</strong> <strong>and</strong> <strong>earth</strong> <strong>fissures</strong>, <strong>and</strong><br />
the hazards they create. This paper presents the current <strong>and</strong> future technical needs that exist <strong>in</strong><br />
terms of basic knowledge, available data, <strong>and</strong> the state of professional practice.<br />
ARIZONA L<strong>and</strong> Subsidence Group December 2007 i<br />
L<strong>and</strong>, Infrastructure <strong>and</strong> Water
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