Recommendations for use of SI Units in Hydraulics

by Margaret S. Petersen, (M.ASCE), Hydr. Div. Liaison Member; ASCE committee on Metrication,

Serial Information: Journal of the Hydraulics Division, 1980, Vol. 106, Issue 12, Pg. 1981-1994

Document Type: Journal Paper


Conversion to the International System of Units (SI) in the United States is voluntary, and information on recommened units and standard usage is needed to facilitate the transition. SI units include base units, supplementary units, and derived units, and there are accepted prefixes and symbols to inidicate multiples and submultiples of units. While international agreement covers rules for uniform usage of SI terms, differences in language result in differences in writing style. Tables for conversion of units frequently used in water resources practic, and commonly-used equivalent units in water resources, are provided.

Subject Headings: Water resources | Hydraulics | Water table | Metric systems | Writing skills | United States

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