The 2019 Fall HFE

High Flow Experiment- 2019

2019 High Flow Experiment Snapshot

• A 2019 Fall HFE was not conducted for lack of adequate sediment input from the Paria River

Sediment Conditions

Fall Accounting Period

• Paria input (Jul 1 - Nov 30): 52,711

Paria River gage at Lees Ferry

• Accumulated in Upper Marble Canyon (Jul 1 - Nov 30, lower bound) = -190,000

Upper Marble Canyon

• Accumulated in Lower Marble Canyon (Jul 1 - Nov 30, lower bound) = -150,000

Lower Marble Canyon

• Available for HFE: -190,000 + -150,000 = -40,000

SUPPORTING DOCUMENTS

• 2019 Glen Canyon Leadership Team memo for Implementation of Experiments under the Long Term Experimental and Management Plan

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