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Glen Canyon Dam. Determining Best Management Practices. Glen Canyon Dam Location. Source: http://walrus.wr.usgs.gov/grandcan/map.html. Glen Canyon Dam. Determining Best Management Practices. Flow Sedimentation Temperature. Flow Fluctuation.

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slide1

Glen Canyon Dam

Determining Best Management Practices

glen canyon dam location
Glen Canyon Dam Location

Source: http://walrus.wr.usgs.gov/grandcan/map.html

slide3

Glen Canyon Dam

Determining Best Management Practices

  • Flow
  • Sedimentation
  • Temperature
slide4

Flow Fluctuation

Flow Statistics Source: http://walrus.wr.usgs.gov/grandcan/watereffects.html

slide5

Sedimentation

  • Trapped Sediment
    • Decrease Storage Capacity
    • Concentrates Toxic Compounds
  • Lack of Floods
    • Channels Are not Scoured
    • Beaches are Not Replenished
slide6

Controlled Flood

45,000 cubic feet per second (cfs)

from March 26 to April 2, 1996

Pre 1996 flood Source: USBR

Post 1996 flood Source: USBR

slide7

Sedimentation

  • Controlled Floods
    • Satellite Imagery and Aerial Photography to map Habitat
    • Compare Habitat to Species Vitality

http://gis.esri.com/library/userconf/proc02/pap0712/p0712.htm

slide8

Hydraulic

Model Base

  • Combine Bathymetry and DEM

http://gis.esri.com/library/userconf/proc02/pap0712/p0712.htm

slide9

Temperature

  • Temperature Averages 46yF Year Round
    • Non-native Species Flourish
    • Native Species Diminish
slide10

Future Work

  • Research data on sand bar formation
  • Map pre/post temperature data for monitoring points
  • Map pre/post WQ data
  • Goal: Find relationship between these data and the general health of the eco system and vitality of natural species to maximize operational beinfits and minimize ecological impacts.
slide11

Questions

Thank You

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