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<br />~ <br />:>- <br />~ <br />!'l <br />'" <br />.- <br />>0 <br />-> <br />"" <br /> <br />(2) <br /> <br />from <br /> <br />years needed for evaluation associated with target-control pairs as calculated <br /> <br />Names and characteristics of stations in the target area and number of <br /> <br />Target (zones 1 and 2) <br /> <br />TABLE 2. <br /> <br />Target-control pair <br />N urn ber of years <br />needed for sig- <br />nificance at 95% <br />level (two-tailed) <br />and 50% power <br />assuming a 10% <br />runoff increase <br /> <br />Coefficien <br />of <br />correlation <br />(%) <br /> <br />92 <br /> <br />Eleva- <br />tion <br />(ft) <br />6705 <br /> <br />(zones 3 and 4) <br /> <br />Drainage <br />area <br />(mi2) <br /> <br />172 <br /> <br />Control <br /> <br />Coefficient <br />of <br />variation <br />(%) <br /> <br />Eleva- <br />tion <br />(ft) <br /> <br />Drainage <br />area <br />(mi2) <br /> <br />::c <br />'-< <br /> <br />~ <br />o <br />~ <br />trl <br />l' <br />I <br />Ul <br />trl <br />>< <br />""' <br />o <br />c: <br />X <br /> <br />>- <br />Z <br />o <br /> <br />~ <br /> <br />Ul <br />>- <br />::c <br />trl <br />l' <br /> <br />Station name <br /> <br />CSU <br />number <br /> <br />Station name <br /> <br />CSU <br />number <br /> <br />11 <br /> <br />40 <br /> <br />12 <br /> <br />68 <br /> <br />92 <br /> <br />7096 <br /> <br />6925 <br /> <br />308 <br />556 <br /> <br />Hermosa Creek near <br />Hermosa <br />San Miguel River near <br />Placerville <br />Dolores River a <br />Dolores <br />Lake Fork at <br />Gateview <br /> <br />1073448 <br /> <br />1277200 <br /> <br />1272<145 <br /> <br />44 <br /> <br />7598 <br /> <br />86.9 <br /> <br />East Fork San Juan River <br />near Pagosa Spring: <br /> <br />1078000 <br /> <br />27 <br /> <br />68 <br />109 <br /> <br />79 <br />82 <br /> <br />80 <br /> <br />65 <br />28 <br /> <br />58 <br />56 <br /> <br />7828 <br /> <br />6705 <br />7096 <br /> <br />6925 <br />7828 <br /> <br />388 <br /> <br />172 <br />308 <br /> <br />556 <br />388 <br /> <br />Hermosa Creek near <br />Hermosa <br />San Miguel River near <br />Placerville <br />Dolores Ri ver a <br />Dolores <br />Lake Fork at <br />Gateview <br /> <br />1375400 <br /> <br />1272445 <br /> <br />1277200 <br /> <br />1073448 <br /> <br />55 <br /> <br />7052 <br /> <br />295 <br /> <br />San Juan River at <br />Pagosa Springs <br /> <br />1077400 <br /> <br />16 <br /> <br />32 <br /> <br />14 <br /> <br />87 <br /> <br />89 <br /> <br />72 <br /> <br />6705 <br /> <br />7096 <br /> <br />6925 <br /> <br />172 <br /> <br />308 <br /> <br />556 <br /> <br />Hermosa Creek near <br />Hermosa <br />San Miguel River near <br />Placerville <br />Dolores River at <br />Dolores <br />Lake Fork at <br />Gateview <br /> <br />1375400 <br /> <br />1272445 <br /> <br />1277200 <br /> <br />1073448 <br /> <br />41 <br /> <br />7950 <br /> <br />58 <br /> <br />Rio Blanco nea <br />Pagosa Springs <br /> <br />1077250 <br /> <br />27 <br /> <br />7.4 <br />49 <br />15 <br />33 <br /> <br />78 <br /> <br />96 <br />71 <br />92 <br />82 <br /> <br />7828 <br /> <br />6705 <br />7096 <br />6925 <br />7828 <br /> <br />388 <br /> <br />172 <br />308 <br />556 <br />388 <br /> <br />Hermosa Creek near <br />Hermosa <br />San Miguel Ri ver near <br />Placerville <br />Dolores River at <br />Dolores <br />Lake Fork at <br />Gateview <br /> <br />1375400 <br /> <br />1272445 <br /> <br />1277200 <br /> <br />1073448 <br /> <br />51 <br /> <br />6530 <br /> <br />371 <br /> <br />Piedra River near <br />Piedra <br /> <br />1076420 <br /> <br />W <br />N <br />0'\ <br /> <br />5.9 <br />33 <br />8.8 <br />13 <br /> <br />95 <br />69 <br />93 <br />89 <br /> <br />6705 <br />7096 <br />6925 <br />7828 <br /> <br />172 <br />308 <br />556 <br />388 <br /> <br />Hermosa Creek near <br />Hermosa <br />San Miguel River near <br />Placerville <br />Dolores River a <br />Dolores <br />Lake Fork at <br />Gateview <br /> <br />1375400 <br /> <br />1277200 <br /> <br />1375400 <br /> <br />1073448 <br /> <br />1272445 <br /> <br />40 <br /> <br />7515 <br /> <br />284 <br /> <br />near <br /> <br />Los Pinos River <br />Bayfield <br /> <br />1075830 <br />