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<front>
<journal-meta>
<journal-id journal-id-type="publisher">HESS</journal-id>
<journal-title-group>
<journal-title>Hydrology and Earth System Sciences</journal-title>
<abbrev-journal-title abbrev-type="publisher">HESS</abbrev-journal-title>
<abbrev-journal-title abbrev-type="nlm-ta">Hydrol. Earth Syst. Sci.</abbrev-journal-title>
</journal-title-group>
<issn pub-type="epub">1607-7938</issn>
<publisher><publisher-name>Copernicus Publications</publisher-name>
<publisher-loc>Göttingen, Germany</publisher-loc>
</publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="doi">10.5194/hess-17-1475-2013</article-id>
<title-group>
<article-title>On the contribution of groundwater storage to interannual streamflow anomalies in the Colorado River basin</article-title>
</title-group>
<contrib-group><contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Rosenberg</surname>
<given-names>E. A.</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
<xref ref-type="aff" rid="aff2">
<sup>2</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Clark</surname>
<given-names>E. A.</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Steinemann</surname>
<given-names>A. C.</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
<xref ref-type="aff" rid="aff3">
<sup>3</sup>
</xref>
<xref ref-type="aff" rid="aff4">
<sup>4</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Lettenmaier</surname>
<given-names>D. P.</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
</contrib>
</contrib-group><aff id="aff1">
<label>1</label>
<addr-line>Department of Civil and Environmental Engineering, University of Washington, Seattle, Washington 98195, USA</addr-line>
</aff>
<aff id="aff2">
<label>2</label>
<addr-line>Hazen and Sawyer, P.C., New York, New York 10018, USA</addr-line>
</aff>
<aff id="aff3">
<label>3</label>
<addr-line>Evans School of Public Affairs, University of Washington, Seattle, Washington 98195, USA</addr-line>
</aff>
<aff id="aff4">
<label>4</label>
<addr-line>Scripps Institution of Oceanography, La Jolla, California 92093, USA</addr-line>
</aff>
<pub-date pub-type="epub">
<day>18</day>
<month>04</month>
<year>2013</year>
</pub-date>
<volume>17</volume>
<issue>4</issue>
<fpage>1475</fpage>
<lpage>1491</lpage>
<permissions>
<copyright-statement>Copyright: &#x000a9; 2013 E. A. Rosenberg et al.</copyright-statement>
<copyright-year>2013</copyright-year>
<license license-type="open-access">
<license-p>This work is licensed under the Creative Commons Attribution 3.0 Unported License. To view a copy of this licence, visit <ext-link ext-link-type="uri"  xlink:href="https://creativecommons.org/licenses/by/3.0/">https://creativecommons.org/licenses/by/3.0/</ext-link></license-p>
</license>
</permissions>
<self-uri xlink:href="https://hess.copernicus.org/articles/17/1475/2013/hess-17-1475-2013.html">This article is available from https://hess.copernicus.org/articles/17/1475/2013/hess-17-1475-2013.html</self-uri>
<self-uri xlink:href="https://hess.copernicus.org/articles/17/1475/2013/hess-17-1475-2013.pdf">The full text article is available as a PDF file from https://hess.copernicus.org/articles/17/1475/2013/hess-17-1475-2013.pdf</self-uri>
<abstract>
<p>We assess the significance of groundwater storage for seasonal streamflow
forecasts by evaluating its contribution to interannual streamflow anomalies
in the 29 tributary sub-basins of the Colorado River. Monthly and annual
changes in total basin storage are simulated by two implementations of the
Variable Infiltration Capacity (VIC) macroscale hydrology model – the
standard release of the model, and an alternate version that has been
modified to include the SIMple Groundwater Model (SIMGM), which represents
an unconfined aquifer underlying the soil column. These estimates are
compared to those resulting from basin-scale water balances derived
exclusively from observational data and changes in terrestrial water storage
from the Gravity Recovery and Climate Experiment (GRACE) satellites. Changes
in simulated groundwater storage are then compared to those derived via
baseflow recession analysis for 72 reference-quality watersheds. Finally,
estimates are statistically analyzed for relationships to interannual
streamflow anomalies, and predictive capacities are compared across storage
terms. We find that both model simulations result in similar estimates of
total basin storage change, that these estimates compare favorably with
those obtained from basin-scale water balances and GRACE data, and that
baseflow recession analyses are consistent with simulated changes in
groundwater storage. Statistical analyses reveal essentially no relationship
between groundwater storage and interannual streamflow anomalies, suggesting
that operational seasonal streamflow forecasts, which do not account for
groundwater conditions implicitly or explicitly, are likely not
detrimentally affected by this omission in the Colorado River basin.</p>
</abstract>
<counts><page-count count="17"/></counts>
</article-meta>
</front>
<body/>
<back>
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