Salt Lake Herald-Republican | 1918-01-02 | Page 8 | Terms Used in Measuring Water

T Terms erns Used in in Measuring Water Th The The- volume o of water flowing in a stream called caled tho the run off or d dIscharge dis discharge s charge Is expressed In various terms term which however ma may be divided dl Into two groups those groups those representing rate of or flow fow and those representing actual quantity tty qUI o of water Tho rate of r flow roW la is generally general expressed as second foot an abbreviation for Cor cubic feet reet per second second sec see ond end the unit uni used for measuring flow- flow lug water as gallons per minute tho the unit used In connection with pumping pumpIng and cit water city supply as miners Inch tho the unit used h by miners and Irrigators Irrl Ir- Ir rl for Cor measuring water that passes through ugh an orifice one Inch square under a a head hearl that varies arle local local- l ly h and as second feet per pr square mile mie the unit used to represent the average number of oC cubic feet reet of or water flowing per second from each ch square mile of or area drained on 01 the assumption that the tho run off Is distributed uniformly uniform uniform- ly 1 both hoth as r r regards gards aldR time and area The actual quantity of oC ah water a Is ex expressed cx- cx ex- ex pressed b by ho terms off run ort lun in inches acre feet and million milion gal gal- al- al Ions lons Runoff In Inches expresses tho the depth to which tho drainage area would be bo covered If H nil al the water flowIng flowing flow flow- fow In Ing from It In a H given period were conserved er and nd uniformly distributed on the thc surface it Is used for or comparing run off with wih rainfall foot Acre Acre which is used commonly In connection with storage for Cor Irrigation Is the quantity moan quan tit tl of or water required to cover OI an n acre to tho the depth of one ono foot that root that Is Is 43 13 cubic feet Ceet In the territory of oC Hawaii HawaI th the lie unit uni most mOlt commonly used In measuring the flow fow of ot water Is million gallons alons This unit Is used not only to Indicate a rate of ot flow fow million milon gallons per da day but an actual l quantity of or water stored In a UnU United d States StateR geological cal c survey department of or tho the Interior