david smith Flashcards

1
Q

what is an acre foot?

A

325,852 gallons
and acres area 1 foot tall

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2
Q

texas water supply

A

53% ground water
43% surface water
4% re use
total 16.2milllion

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3
Q

longest river in texas?

A

Brazos river (840 miles)

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4
Q

how many major basins/watershed?

A

23

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5
Q

only natural lake in tx

A

caddo lake

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6
Q

how many major resivours

A

208 major water reservoirs
(>5,000 acre-feet)

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7
Q

how many aquafors?

A

9 Major Aquifers
22 minor

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8
Q

water use in texas percentage (surface and ground)

A

surface: 47 municipal
29 irrigation
ground: 73 irrigation
19 municipal

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9
Q

who owns surface water?
who owns the most

A

first in time first in rights
The Dow Chemical Company

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10
Q

who owns ground water?

A

rule of the biggest pump

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11
Q

hydroilogical cycle

A

rain
apathy
drought
awarness
concern
panic

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12
Q

Water Supply increasing or decreasing?

A

Texas’ existing water supplies are projected to decline by
approximately 18 percent
between 2020 and 2070

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13
Q

interbasin transfer

A

transport of water from a
water-rich basin to another river
basin

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14
Q

vista ridge project

A

142-mile pipeline
transfer ~50,000 acre-feet per
cost of ~3 billion dollars

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15
Q

Bois d’Arc Lake

A

First major reservoir built in Texas in nearly 30 years

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16
Q

Ogalla Aquifer

A

worlds largest aquafor