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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).
Third-largest fresh-water lake in the world by volume: 2: Lake Michigan: Illinois - Indiana - Michigan - Wisconsin: 3,987,455,942 acre⋅ft (4,918 km 3) 925 ft (282 m) L. Huron and. L. Michigan may be considered a single lake [1] 3: Lake Huron: Michigan - Ontario: 2,872,320,000 acre⋅ft (3,543 km 3) 750 ft (229 m) 4: Lake Ontario: New York ...
Exactly: highly precise conversions are perfectly appropriate in a definition and exact values are better still. To avoid your rounding errors note that a US gallon is 231 cubic inches and a cubic foot is 12 3 cubic inches so an acre foot is 660 × 66 × 1728 ÷ 231 or 325,851 + 3 ⁄ 7 US gallons exactly. I have also calculated an exact cubic ...
This article lists lakes with a water volume of more than 100 km 3, ranked by volume. The volume of a lake is a difficult quantity to measure. [1] Generally, the volume must be inferred from bathymetric data by integration. Lake volumes can also change dramatically over time and during the year, especially for salt lakes in arid climates.
This article lists rivers by their average discharge measured in descending order of their water flow rate. Here, only those rivers whose discharge is more than 2,000 m 3 /s (71,000 cu ft/s) are shown. It can be thought of as a list of the biggest rivers on Earth, measured by a specific metric.
Volume Unit of measure cubic metre litre Reference size Usage 1 cubic metre = 1 = 1000: base unit in SI : 1 barrel = 0.158 987 294 928 = 158.987294928 = 42 US gallons = 9,702 cubic inches
The water that filled the tunnel was a max of 3 feet deep, according to the administrator. Officials responded to "numerous calls for localized flooding across the state," he said. The flooding ...
A Fixture Unit is not a flow rate unit but a design factor. A fixture unit is equal to 1 cubic foot (0.028 m 3) of water drained in a 1 + 1 ⁄ 4 inches (32 mm) diameter pipe over one minute. [2] One cubic foot of water is roughly 7.48 US gallons (28.3 L; 6.23 imp gal). A Fixture Unit is used in plumbing design for both water supply and waste ...