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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).
One acre equals 1 ⁄ 640 (0.0015625) square mile, 4,840 square yards, 43,560 square feet, [2] or about 4,047 square metres (0.4047 hectares) (see below).While all modern variants of the acre contain 4,840 square yards, there are alternative definitions of a yard, so the exact size of an acre depends upon the particular yard on which it is based.
The only exceptions to this rule are special requirements for measurement in feet in mineral surveys and townsite surveys. [13] Linear Measurement 1 Chain = 100 links or 66 feet 1 Mile = 80 chains or 5,280 feet. Area Measurement 1 Acre = 10 square chains or 43,560 square feet 1 square mile = 640 acres
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 ...
This translates to a hoppus foot being equal to 1.273 cubic feet (2,200 in 3; 0.0360 m 3). The hoppus board foot, when milled, yields about one board foot. The volume yielded by the quarter-girth formula is 78.54% of cubic measure (i.e. 1 ft 3 = 0.7854 h ft; 1 h ft = 1.273 ft 3). [46]
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 ...
About 87,200 acre feet of water were pumped from the basin in the 2022 water year — far above the estimated sustainable yield of 61,100 acre feet, according to the annual report. One acre foot ...