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<br />"";~,,,,~? <br />lJ ..) '---.' ..; .-~' <br /> <br /> 2000 <br />0 1000 <br />Z <br />0 <br />U <br />W <br />oo <br />a: <br />w <br />~ <br />~ <br />w <br />w <br />~ <br />u <br />m 100 <br />~ <br />U <br />Z <br />;;;' <br />" <br />a: <br />~ <br />I <br />U <br />'" <br />0 <br /> 10 <br /> <br />5000 <br />o <br />z <br />o <br />u <br />w <br />oo <br />a: <br />w <br />~ <br />1--1000 <br />w <br />W <br />~ <br />u <br />m <br />~ <br />u <br />z <br /> <br />w' <br />" <br />a: <br />~ 100 <br />U <br />'" <br />o <br /> <br />~ 3000 <br />o <br />U 2000 <br />w <br />oo <br />a: <br />~ 1000 <br />~ <br />W <br />W <br />~ <br />u <br />m <br />~ <br />u <br />Z <br />w' <br />" <br />(( 100 <br />~ <br />I <br />U <br />'" <br />o <br /> <br />A <br /> <br />w 365 <br />> <br />~ <br />~ <br />~ 183 <br />oo <br />ZOO <br />O~ <br />u~ <br />~O <br />a: 90 <br />w <br />m <br />:; <br />~ <br />Z <br /> <br />50 <br /> <br />B <br /> <br />Z (1)365 <br />O~ <br />u~ <br />~O <br />ow <br />a: > 90 <br />w~ <br />m~ <br />~ u 30 <br />~ W 7 <br />ZOO 1 <br /> <br />DROUGHT AND ITS RAMIFICATIONS <br /> <br />7 <br /> <br />(/)365 <br />~ <br /><( <br />0 <br />w <br />> <br />~ <br />:> <br />u <br />w <br />oo 90 <br />Z <br />0 <br />U <br />~ <br />0 <br />a: \,. <br />w <br />m 30 <br />:; <br />" 7 <br />Z 1 <br /> <br /> <br /> <br />X Values lor 1976 water year <br />t:. Values/or 1977 water year <br />All 1977 values are minimum of record <br /> <br />X Example. Seetex! <br /> <br />North Fork American River at North Fork Dam, Calif. <br /> <br />'" <br /> <br />,~ <br /> <br />0.99,98 <br /> <br />.90.80 .50 ,20.10.05.02.01.005 <br />PROBABILITY <br /> <br />tu 100 <br />W <br />~ <br />~ <br />mO <br />"Z <br />uO <br />zU <br />_w <br />'oo <br />W <br />,,0: <br />o:w <br />~ ~ <br />I 10 <br />U <br />oo <br />o <br /> <br />'(j)365 <br />g~ Beaver River near Bea~er, Utah <br />~O <br />ow <br />0:>. <br />:gt;~~'.~ <br />~U30-1 <br />:>UJ71~ <br />z: :alueSfor1976w3teryear <br />t:, Values for 1977 water year <br />All 1977 values are minimurn of record <br /> <br />0.99.98 <br /> <br />D <br /> <br />.90 .80 .50 .20 .10.05 <br />PROBABILITY <br /> <br />""'-"", <br />"'" <br />X Values/or 1976 water year <br />6. Values for 1977 water year <br />o Mlnimurn of record and year <br />of occurrence <br /> <br /> <br /> <br />1977 "S.-. <br /> <br />30 <br />7 <br />1 <br /> <br /> <br />.01.005.001 <br /> <br />1939 <br /> <br />1967 <br /> <br />Chehalis River near Grand Mound,Wash. <br /> <br />0.99.98 <br /> <br />.90.80 .50 20.10.05.02.01,005 <br />PROBABILITY <br /> <br /> <br /> <br />1977 <br />1934 <br />1931 <br /> <br />3000 <br /> <br /> <br />1933 <br /> <br />x Values for 1976 watcr year <br />C. V"luesfor 1977 water year <br />o Minimum of record and year <br />of occurrence <br /> <br />c <br /> <br />1977 <br /> <br />Boise River ne"rTwjnSprings, Idaho <br /> <br />0.99.98 <br /> <br />.90.80 .50 .20.10.05,02.01.005 <br />PROBABILITY <br /> <br />2000 <br /> <br />365 <br />Zoo <br />8~183 <br />~O <br />Ow <br />0:> <br />w- 90 <br />m~ <br />,," <br />:Jfi:l30 <br />Zoo 7 <br />1 <br /> <br />o <br />Z1000 <br />o <br />U <br />w <br />oo <br />~ <br />w <br />~ <br />~ <br />w <br />w <br />~ <br />u <br />m <br />:J 100 <br />U <br />Z <br />w' <br />" <br />0: <br /><( <br />I <br />U <br />oo <br />o <br /> <br />X Values'for 1976 water year <br />C. Values for 1977 water year <br />o Minimum of record and year <br />of occurrence <br /> <br />10 <br /> <br />Crow River at Rockford,Minn. <br /> <br /> <br /> <br />Figure 2. Low-flow frequency curves for six streams in areas affected by the drought. <br />