acre-foot
- noun
- /ˈeɪ.kər.fuːt/
- Specialized
- Under a 1944 treaty, the United States delivers 1.5 million acre-feet to Mexico where the river crosses the border near Yuma, Arizona.
- million acre-feet
- acre-feet of water
- acre-feet per year
Examples
-
The environmental release equates to about 420 acre-feet of water per week, Brunett stated.
Blog text (33) -
Metropolitan estimates that the arrangement is capable of creating a water supply of up to 110,000 acre-feet.
Academic text (2008) -
There, potential Indian claims may exceed 45 million acre-feet of water annually with a market value of $20 to $50 billion.
Academic text (1995) -
Last year, I announced a plan to designate 1,000 acre-feet of water for flows in the river.
Blog text (6) -
The goal of the program is to save some 50,000 to 150,000 acre-feet of water per year.
Academic text (1992) -
Today, that cost is less than $800 per acre-foot, while the cost of importing water has risen to about $500.
Academic text (2004) -
Total capacity for Lake Powell is 27 million acre-feet, and the active capacity is 20,876,000 acre-feet.
Blog text (28) -
The park loses almost 200,000 acre-feet of water annually, says hydrologist Johnson.
Academic text (1994) -
According to the U.S. Desalination Coalition, in 1992, the cost to desalinate an acre-foot of water was about $2,000.
Academic text (2004) -
The goal of the program is to save some 50,000 to 150,000 acre-feet of water per year.
Surface Forms
Morphology
Etymology
Acre-foot is easy to remember: it joins acre, meaning 'field' or area of land, and foot, meaning 'a foot' of depth. So an acre-foot is the amount of water that covers one acre to a depth of one foot, which is why it is a unit for a large volume of water.