EARLY HEARING DETECTION AND INTERVENTION VIRTUAL CONFERENCE
MARCH 2-5, 2021

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5/21/2019  |   2:00 PM - 2:15 PM   |  EFFECTS OF DIVERSIONS AND IMPOUNDMENTS ON CONTINUUM OF UPPER COLORADO RIVER BASIN PROCESSES   |  151 DEF

EFFECTS OF DIVERSIONS AND IMPOUNDMENTS ON CONTINUUM OF UPPER COLORADO RIVER BASIN PROCESSES

We deployed dissolved oxygen (DO), specific conductivity (SpC), and pressure sensors upstream and downstream of 2 deep-release (DR) impoundments, 1 surface-release (SR) impoundment, and 2 run of the river (ROR) diversions in the Upper Colorado River Basin during summer and fall 2018. Div1 diverts water for hydropower and returns flow back to the river upstream of our sensors while div2 diverts water for irrigation. For the DR impoundments, DO increased by 0.89 and 1.64 mg/L, water temperature decreased by 2.20 and 6.53 °C, SpC decreased by 26.17 and 15.75 ?S/cm, and % DO saturation increased by 6.24 and 5.38%. For the SR impoundment, DO decreased by 0.80 mg/L, water temperature increased by 3.63 °C, SpC increased by 18.95 ?S/cm, and % DO saturation decreased by 2.38%. For the diversions, DO decreased by 0.20 and 0.16 mg/L, water temperature increased by 0.55 and 0.54 °C, % DO saturation decreased by 1.62 and 0.77% while SpC decreased by 156.31 ?S/cm and increased by 2.29 ?S/cm for div1 and div2, respectively. All impoundments have a greater effect on DO, water temperature, and % DO saturation than the diversions.

  • Environmental Regulation
  • Network
  • Water Quality

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Presenters/Authors

Margaret Spangler (), University of Colorado, margaret.spangler@colorado.edu;


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Michael Gooseff (), University of Colorado, michael.gooseff@colorado.edu;


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Robert Hensley (), University of Florida, bhensley@ufl.edu;


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Matthew Cohen (), University of Florida, mjc@ufl.edu;


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Patrick Hendrickson (), University of Colorado, Patrick.Hendrickson@Colorado.EDU;


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