Difference between revisions of "GCDAMP- HFE 2015"
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== 2015 High Flow Experiment Snapshot == | == 2015 High Flow Experiment Snapshot == | ||
The 2015 Fall HFE was canceled due to the discovery of [http://gcdamp.com/index.php?title=Green_Sunfish_Page '''green sunfish'''] in Glen Canyon | The 2015 Fall HFE was canceled due to the discovery of [http://gcdamp.com/index.php?title=Green_Sunfish_Page '''green sunfish'''] in Glen Canyon | ||
Revision as of 11:01, 2 July 2020
| High Flow Experiment- 2015 | |
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Contents
2015 High Flow Experiment Snapshot
The 2015 Fall HFE was canceled due to the discovery of green sunfish in Glen Canyon
Sediment Conditions
Fall Accounting Period
- Paria input (Jul 1 - Nov 8): 1,168,498
- Accumulated in Upper Marble Canyon (Jul 1 - Nov 8, lower bound) = 563,000
- Accumulated in Lower Marble Canyon (Jul 1 - Nov 8, lower bound) = 214,000
- Available for HFE: 563,000 + 214,000 = 777,000
- Paria input (Dec 1 to Apr 1): 32,000
- Evacuated from Upper Marble Canyon (Dec 1 to Apr 1, lower bound) = -517,000
- Accumulated in Lower Marble Canyon (Dec 1 to Apr 1, lower bound) = 37,000
- Available for spring HFE: 32,000 - 517,000 + 37,000 = -448,000
SUPPORTING DOCUMENTS
- Approval of Recommendation for No Experimental High-Flow Release from Glen Canyon Dam, November 2015
- Final Recommendation to Not Implement a Fall 2015 High Flow Experiment at Glen Canyon Dam
- Updates on 2014 HFE, 2015 Paria sediment inputs, and 2015 sediment mass balance
COMPLIANCE
CONCERNS
- Green Sunfish Lepomis cyanellus; Risk Assessment for the Colorado River ecosystem (CRe)
- Invasive species threats: Green sunfish
ADDITIONAL
- Green Sunfish Removal in a Colorado River Backwater Below Glen Canyon Dam
- Colorado River Slough Green Sunfish Removal
- Green Sunfish Rapid Response Treatment, Nov 2-6 and Nov 12-13, 2015 Brief Treatment Summary
- Installation of Nets to Contain Green Sunfish in Minus-12-Mile Slough, Glen Canyon National Recreation Area, Oct 6-7, 2015 Trip Report
- Desert News: Rapid response treatment to remove invasive green sunfish from a backwater slough
- Green Sunfish Rapid Response Non-native Fish Control in Glen Canyon National Recreation Area
