Lake Sidney Lanier - PowerPoint PPT Presentation

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Lake Sidney Lanier

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... Water Level in Lake Lanier. 11/19/07 Lake Lanier hits record low level of ... Expanded Island in Lake Lanier. Low Water Level (Dr. Ebert's Grandson for Scale) ... – PowerPoint PPT presentation

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Title: Lake Sidney Lanier


1
Lake Sidney Lanier
  • Water Supply for Atlanta, Georgia
  • Field Photos 11/19/07 by J. Ebert

2
Southeast Drought
  • The Southeast U.S. is in the midst of one of the
    worst droughts on record
  • Approximately 3 million people live in Atlanta
    and its surrounding metropolitan
  • These people will run out of water in 79 days!

3
(No Transcript)
4
Buford Dam 192 Feet High
5
Buford Dam Outlet(Bedrock Gneiss)
6
Lake Lanier Watershed Comprises northern portion
of the Chattahoochee River Watershed
Lake Lanier has a very low ratio of watershed to
surface area
7
Lake Lanier A Multipurpose Lake
  • Constructed by US Army Corps of Engineers
  • Provides
  • Flood protection
  • Power production
  • Water supply
  • Navigation
  • Recreation
  • Fish and wildlife management

8
Monitoring Water Level in Lake Lanier
  • 11/19/07 Lake Lanier hits record low level of
    1052.64 feet (just a few hours after this photo)
    lowest level since construction
  • Level is about 11 ft. below average and 15 ft.
    below capacity
  • Source Atlanta Journal Constitution USACE

9
Average and Forecast Lake Levels
Source U.S. Army Corps of Engineers
10
Monitoring Water Level in Lake Lanier
  • Lake Lanier now holds only 42 of its capacity
  • Surface area is reduced by 22
  • This level represents a 79 day supply for the
    Atlanta metropolitan area
  • Source Atlanta Journal Constitution

11
Expanded Island in Lake Lanier
12
Low Water Level(Dr. Eberts Grandson for Scale)
13
Falling Water Marks Low Lake Level
14
Boat Launch Currently Useless!
15
High and Dry!(This Says It All)
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