Difference between revisions of "GCDAMP Glen Canyon Dam"

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! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3bfb1; text-align:left; color:#000; padding:0.2em 0.4em;">News</h2>
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! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">News </h2>
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*[https://www.propublica.org/article/drought-provokes-debate-on-unplugging-great-dams-of-american-west '''Drought be Dammed; The water crisis in the West has renewed debate about the effectiveness of major dams, with some pushing for the enormous Glen Canyon Dam on the Colorado River to be decommissioned.''']
 
*[https://www.propublica.org/article/drought-provokes-debate-on-unplugging-great-dams-of-american-west '''Drought be Dammed; The water crisis in the West has renewed debate about the effectiveness of major dams, with some pushing for the enormous Glen Canyon Dam on the Colorado River to be decommissioned.''']
  
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! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Operations </h2>
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*JAWRA_ Loss Rates from Lake Powell and their impact on management of the Colorado River_Tom Myers_feb 20, 2013
 
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**Estimated that more than '''14.8 billion''' cubic meters has been stored in the banks, with a 90% probablility that the value is actually between '''11.8 and 18.5''' (Gm 3)
 
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**The Colorado River has '''73.4''' billion cubic meters of available storage in its 10 largest reservoirs (USBR, 2011), which is approximately four times the river's average annual flow.
 
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**Lake Powell loses water from the river system in two ways:  to '''evaporation''' from the free water surface and '''bank seepage'''.
 
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**Bank Seepage is flow to the banks that does not return to the river system whereas bank storage may return to the reservoir or river system.
 
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*Head water snow melt:  '''96%''' of Colorado River water comes from above Lake Mead.
 
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**'''4%''' tributary input from Lake Mead to Mexico.  (2013 MSCP CTR meeting- TMurphy)
 
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*'''Q''' What is the total release (CFS) possible from Glen Canyon Dam?
 
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**'''A''' [http://www.usbr.gov/lc/region/g4000/AOP2014/AOP14_2nd_Consultation_PPT.pdf Total release during a HFE = '''Capacity + 15,000 cfs bypass''']--> Capacity depends on how many of the 8 units are available.
 
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! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Other Stuff</h2>
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! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Other Stuff </h2>
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----
 +
*JAWRA_ Loss Rates from Lake Powell and their impact on management of the Colorado River_Tom Myers_feb 20, 2013
 +
**Estimated that more than '''14.8 billion''' cubic meters has been stored in the banks, with a 90% probablility that the value is actually between '''11.8 and 18.5''' (Gm 3)
 +
**The Colorado River has '''73.4''' billion cubic meters of available storage in its 10 largest reservoirs (USBR, 2011), which is approximately four times the river's average annual flow.
 +
**Lake Powell loses water from the river system in two ways:  to '''evaporation''' from the free water surface and '''bank seepage'''.
 +
**Bank Seepage is flow to the banks that does not return to the river system whereas bank storage may return to the reservoir or river system.
 +
----
 +
*Head water snow melt:  '''96%''' of Colorado River water comes from above Lake Mead.
 +
**'''4%''' tributary input from Lake Mead to Mexico.  (2013 MSCP CTR meeting- TMurphy)
 +
----
 +
*'''Q''' What is the total release (CFS) possible from Glen Canyon Dam?
 +
**'''A''' [http://www.usbr.gov/lc/region/g4000/AOP2014/AOP14_2nd_Consultation_PPT.pdf Total release during a HFE = '''Capacity + 15,000 cfs bypass''']--> Capacity depends on how many of the 8 units are available.
 
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Revision as of 12:05, 24 May 2016

2013-09 Glen Canyon Dam with lightning.jpg


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GROUP MEMBERS

News


Operations

Information

Reports and Links

2016

2015


Other Stuff

  • JAWRA_ Loss Rates from Lake Powell and their impact on management of the Colorado River_Tom Myers_feb 20, 2013
    • Estimated that more than 14.8 billion cubic meters has been stored in the banks, with a 90% probablility that the value is actually between 11.8 and 18.5 (Gm 3)
    • The Colorado River has 73.4 billion cubic meters of available storage in its 10 largest reservoirs (USBR, 2011), which is approximately four times the river's average annual flow.
    • Lake Powell loses water from the river system in two ways: to evaporation from the free water surface and bank seepage.
    • Bank Seepage is flow to the banks that does not return to the river system whereas bank storage may return to the reservoir or river system.
  • Head water snow melt: 96% of Colorado River water comes from above Lake Mead.
    • 4% tributary input from Lake Mead to Mexico. (2013 MSCP CTR meeting- TMurphy)
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