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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). There has been two definitions of the acre-foot (differing by about 0.0006%), using ...
Name Location Volume Maximum Depth notes 1: Lake Superior: Michigan - Minnesota - Ontario - Wisconsin: 9,799,680,000 acre⋅ft (12,088 km 3) 1,332 ft (406 m) Third-largest fresh-water lake in the world by volume
If you are going to grow rice in a dry area, you need one acre-foot of water to flood a one acre rice field one foot deep with water. Or the equivalent of 12 inches of rainfall.Eregli bob 14:15, 23 August 2013 (UTC) If you are growing rice in a wet area, it still takes an acre-foot of water to flood a 1 acre field to a depth of 1 foot.
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.
A commonly used land measurement unit in Punjab is karam or square karam. [3] Other units include the Sarsai and units listed. [4] This the current system of measurement of farm land. All Units. 1 karam × 1 karam = 1 sq. karam 5.5 feet × 5.5 feet = 30.25 sq. feet 30.25 square feet = 1 Sarsai 9 Sarsai (sq. Karam) = 1 Marla (272.25 sq. feet)
The rod is useful as a unit of length because integer multiples of it can form one acre of square measure (area). The 'perfect acre' [2] is a rectangular area of 43,560 square feet, bounded by sides 660 feet (a furlong) long and 66 feet (a chain) wide (220 yards by 22 yards) or, equivalently, 40 rods by 4 rods. An acre is therefore 160 square ...
Volume may be measured either in terms of units of cubic length or with specific volume units. The units of cubic length (the cubic inch, cubic foot, cubic mile, etc.) are the same in the imperial and US customary systems, but they differ in their specific units of volume (the bushel, gallon, fluid ounce, etc.).
cubic feet = 3 379 200 acre-feet = ... imperial gallons: ... 118 282 962 000 US bushels ≈ 26 217 074 762 crude barrels: See also. Square mile;