http://gcdamp.com/index.php?action=history&feed=atom&title=A_2022_Spring_HFEA 2022 Spring HFE - Revision history2026-10-18T10:55:46ZRevision history for this page on the wikiMediaWiki 1.26.2http://gcdamp.com/index.php?title=A_2022_Spring_HFE&diff=9926&oldid=prevCellsworth: Created page with " {{Infobox Person |name = High Flow Experiment- 2022 |image = CRC 121119 0038.JPG |alma_mater = |Job Title = |Previous_Title_ = |Previous_Title_ =..."2022-11-03T21:36:50Z<p>Created page with " {{Infobox Person |name = High Flow Experiment- 2022 |image = CRC 121119 0038.JPG |alma_mater = |Job Title = |Previous_Title_ = |Previous_Title_ =..."</p>
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== 2022 Spring High Flow Experiment Snapshot ==<br />
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The best available data and modeling indicate that sediment conditions necessary to trigger a 2022 Spring HFE at Glen Canyon Dam have not been met. HFEs are restricted to limited periods of the year when the highest volumes of sediment may be available to build sandbars in the Grand Canyon. Under the protocol outlined in the Long-Term Experimental and Management Plan Record of Decision, when sufficient sediment has accumulated, sediment-triggered Spring HFEs can be implemented in March or April. <br />
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==Sediment Conditions==<br />
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'''Spring Accounting Period''' [[File:2021SpringHFE Paria (1).png|thumb|right|400px|[http://www.gcmrc.gov/discharge_qw_sediment/station/GCDAMP/09382000#/ '''Paria River gage at Lees Ferry'''] ]]<br />
*Paria input (Dec 1 to Jun 30): 11,000 mt<br />
*Evacuated from Upper Marble Canyon (Dec 1 to Jun 30, lower bound) = -110,000 mt<br />
*Evacuated from Lower Marble Canyon (Dec 1 to Jun 30, lower bound) = -13,000 mt<br />
*Available for Spring HFE: <br />
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[[File:2021SpringHFE UpperMarble (1).png|thumb|right|400px|[http://www.gcmrc.gov/discharge_qw_sediment/reach/GCDAMP/09380000/09383050 '''Upper Marble Canyon'''] ]]<br />
[[File:2021SpringHFE_LowerMarble_(1).png|thumb|right|400px|[http://www.gcmrc.gov/discharge_qw_sediment/reach/GCDAMP/09383050/09383100 '''Lower Marble Canyon'''] ]]<br />
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== SUPPORTING DOCUMENTS ==<br />
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== COMPLIANCE ==<br />
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== CONCERNS ==<br />
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== ADDITIONAL ==<br />
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