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<br />45
<br />
<br />
<br />0018jo
<br />
<br />waterq-u~'1.4ty. Sev.enf.()td,in~reases in thedi~alye4s<)lids in stream-
<br />
<br />~low wererep()rted~ollaw~ng,aburn ina brush-c-overedwatershed
<br />
<br />in s-ol1ther,nGalifo.",nladf"rom 35-1ro 2.,-415i>artsper million, Santa
<br />
<br />'C:lara WaterpGonservatiQn l)iBtl'ict,.Sant-a:Paula, 1931';'32, {-o 1934-35).
<br />
<br />The,c<;lnceatration9f",soHds causedbye,~pol"ati-on from the basin
<br />
<br />"'lOhQll1d-be.carefully estimah'ldaspart.ofthedesignforadequate ,water
<br />
<br />('j:l1ality -for,Uvesto"k' use.
<br />
<br />.
<br />
<br />Sediment
<br />
<br />,i'
<br />
<br />'. SMinleB;t .ElisGh~'l'ge:may.~~st-ima.teQ-f<i>l"-a local a-rea from
<br />
<br />. . , -, .. ,- ", ,'- -! - , ",'.. .
<br />measul'ementst-aken in.nea,r.h"..areas.. 'If-similar.e.onditiens,of soils
<br />, ,~- - ,
<br />
<br />I .'
<br />-e'ove-ran&'-top0g.~a'phy. '~athergoGdestimates.-ofs-edimentdischarge
<br />
<br />I' . '- " , ,,_. .
<br />h-ave-beenmade 'from simple relations-oftopography,..-al'e-fl., and shape
<br />
<br />of the wa.te.rMed (relie'(,ra~i-os)-inlocaUtieswhere'thecoYer' w;1.s
<br />
<br />unHol"m(H-adley an(iSch~mrri, 1958).' Inarea,scwherecover:is widely
<br />
<br />.
<br />
<br />:differentor c-h!i-ll,';edas.' a re,sultof treatmentspestimates:oi"s~diment
<br />,', C , ' ) .
<br />
<br />~schal'ge'shouldi ni1ud~ the cover€<i>ndi-tionas.a-variable-+I\,~de l' son,
<br />
<br />... (.-949;: F'laKman-and-,Hobba, 1954) .Measurements-of:scedi~ent,deposi-
<br />
<br />, -tio'A in reservmr,s,-l<i>catedin,v-\l,.rious~r-t& .ofthe-PadficS.outhwest
<br />
<br />area are -rep<)rtedbyPetenon(l9M). Sedimentation is discussed
<br />. , ',- ,
<br />
<br />further in the chapter on1ocu of capacity.
<br />,
<br />
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