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As the name suggests, an acre-foot is defined as the volume of one acre of surface area to a depth of one foot.. Since an acre is defined as a chain by a furlong (i.e. 66 ft × 660 ft or 20.12 m × 201.17 m), an acre-foot is 43,560 cubic feet (1,233.5 m 3).
I will illustrate here: 1 acre (1 foot thick) x # of gallons in a cubic foot. This is, simply 43560 (Cubic feet) x 7.48 gallons / cubic foot = 325,828.8 gallons - rounded to 325,829 gallons per acre foot (do it on a calculator!).
Legally defined as 1.033 English feet in 1859 ... acre-foot: ac ft ≡ 1 ac x 1 ft = 43 560 cu ft ... ≡ 1 m 3 /s = 1 m 3 /s gallon (US fluid) per day ...
The water has continued to stream into the reservoir, and by Jan. 17 it hit a high of 334,235 acre-feet, according to Monterey County. One acre-foot of water is equal to 325,851 gallons.
Davis provided an estimate that the river's annual volume averaged 16.4 million acre-feet. (One acre-foot, the equivalent of 325,851 gallons, is enough water to serve one or two average households ...
A board foot is a United States and Canadian unit of approximate volume, used for lumber. It is equivalent to 1 inch × 1 foot × 1 foot (144 cu in or 2,360 cm 3). It is also found in the unit of density pounds per board foot. In Australia and New Zealand the terms super foot or superficial foot were formerly used for this unit. The exact ...
18,700,000 acre⋅ft (23.1 km 3) 220 ft (67 m) man-made 18: Lake Chelan: Washington: 15,800,000 acre⋅ft (19.5 km 3) 1,486 ft (453 m) 19: Lake of the Woods: Ontario - Minnesota - Manitoba: 15,700,000 acre⋅ft (19.4 km 3) 210 ft (64 m) 20: Lake Powell: Utah - Arizona: 15,500,000 acre⋅ft (19.1 km 3) [3] 583 ft (178 m) man-made 21: Great Salt ...
1 acre⋅ft: acre-foot: ... as opposed to British 1824 definition of 1 imperial gallon (4.5 ... Quantities of gases are usually given in cubic feet (at one atmosphere