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32 Cards in this Set
- Front
- Back
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What is watershed?
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the land area that drains to a body of water
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What is ground water?
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water that is located beneath the surface of the earth
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What are aquifers?
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they lie on top of the bedrock and are made up of sand and gravel
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What is a drought?
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a long period of time with little or no rain
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What is an artesian?
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a type of well where ground water flows to the surface by natural pressures
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What includes the major subdivisions of the Missouri and James River?
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Missouri River drainage system
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What includes the Souris and Red River basins?
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Hudson Bay drainage system
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What was created following the construction of the Garrison Dam?
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Lake Sakakawea
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What is an acre foot?
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the amount of water that will cover an acre of land one foot deep
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What was formed by the construction of the Oahe Dam?
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Lake Oahe
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What is the largest reservoir in the James River Basin?
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Jamestown Reservoir
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What is the largest reservoir in the Souris River Basin?
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Lake Darling
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What was constructed north of Valley City in 1950?
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Baldhill Dam
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What is the largest reservoir located in the Red River Basin?
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Lake Ashtebula
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What is the Pick-Sloan Act?
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the plan to achieve six objectives for the Missouri River and its valley
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Who manages the dams and lakes?
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The US Army Corps of Engineers
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What is a plan to divert water from Lake Sakakawea to irrigate over 1 million acres of farmland?
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Garrison Diversion Unit
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Whose primary responsibility is to provide effective management of North Dakota's water responsibility?
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North Dakota State Water Commission
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What is used to carry grain and other products in the downstream states?
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barges
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What are raised ridges of earth that are built next to a river to prevent water from over flowing?
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levees
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What was developed to address the need for more and better water in the southwest region of the state?
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Southwest Pipeline Project
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Into what river will Devils Lake naturally flow?
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Sheyenne
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At what level will Devils Lake naturally flow into the Sheyenne River?
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1458
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How many acres of land does Devils Lake currently cover?
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169,000
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How many acres of land does Lake Sakakawea cover?
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368,000
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How often has Devils Lake reached its s pill elevation during the past 4,000 years?
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at least twice
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How much money has been spent by North Dakota and the federal government on flood protection in and around Devils Lake in the last 17 years?
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Millions of dollars
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At its spill elevation, how many acres will Devils Lake cover?
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261,000 acres
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What were the reasons for the flood of 1997?
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1. above average precipitation for 4 years prior to 1997.
2.record snow fall 3. blizzard in April |
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What city was hit hardest in the flood of 1997?
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Grand Forks
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What cities have built permanent flood levees?
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Grand Forks and Wahpeton
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What is the key reason for the Garrison Dam?
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flood control
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