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<br /> <br />001891 <br /> <br /> <br />"'-~..,... <br /> <br />Table 1.--Precipitation and evaporation data sites used <br />for the proposed reservoir Zocations in the Yampa River basin <br /> <br />[Ficke and others, 1976] <br /> <br />Middle <br />con tro 1 <br />point <br /> <br />Proposed reservoir <br /> <br />Precipitation site <br /> <br />Res~rvoi r near <br />Denver, Colo. <br /> <br />1 <br />2 <br />3 <br />4 <br />5 <br />7 <br />8 <br />9 <br />10 <br />10 <br />11 <br />12 <br />15 <br />18 <br />19 <br />22 <br />23 <br /> <br />Yamcolo-------------- <br />Bear------------.---- <br />BJacktail------------ <br />lower Green---------- <br />Pleasant Valley------ <br /> <br />Grouse Mountain------ <br />Hinman Park---------- <br />Childress------------ <br />Upper Middle Creek--- <br />Lower Middle Creek--- <br /> <br />Dunckley------------- <br />California Park------ <br />Craig---------------- <br />Juniper-------------- <br />Cross Mountain------- <br /> <br />Pyramid Lake------- <br />Pyramid Lake------- <br />Pyramid Lake------- <br />Pyramid lake------- <br />Steamboat Springs-- <br /> <br />Co1umbine---------- <br />Columbine---------- <br />Hayden------------- <br />Hayden------------- <br />Hayden------------- <br /> <br />Hayden------------- <br />Hayden------------- <br />Craig-------------- <br />Craig-------------- <br />Craig-------------- <br /> <br />Dixon-------------- <br />Dixon-------------- <br /> <br />::: <br />I;: <br />;: <br /> <br />Elevenmile Canyon <br />Elevenmile Canyon <br />E 1 evenm i I e Canyon <br />Elevenmile Canyon <br />Gross <br /> <br />Elevenmile Canyon <br />Gross <br />Gross <br />Gross <br />Gross <br /> <br />Gross <br />Elevenmile Canyon <br />Ralston <br />Ralston <br />Ralston <br /> <br />Ralston <br />Ralston <br /> <br />Pot Hook------------- <br />Sandstone-------.---- <br /> <br />r. <br /> <br />Evaporation <br /> <br />" <br />i <br />~ <br /> <br />Few evaporation data Were available for the Yampa River basin. Evaporation <br />data have been ,collected only in special studies throughout the basin, and, as a <br />result, the areal extent and amounts are limited (Stearns-Roger, Inc., 1973-76; <br />G. H. Leavesiey, U.S. Geological Survey, written commUn., 1976). However, reser- <br />voir-evaporation data are available for seven existing reservoirs near Denver, <br />Colo. (Ficke and others, 1976). <br /> <br />Monthly evaporation amounts determined at five of the seven reservoirs in the <br />Oenver area (Ficke and others, 1976) were used for the reservoir analyses in the <br />Yampa River' basin. The climate conditions for the five eastern-slope reservoirs <br />are comparable with those experienced in the Yampa River basin. Evaporation data <br />used for a proposed reservoir were selected from the data in table 2, based on <br />comparable geometric characteristics between an existing and a proposed reservoir. <br />The evaporation data were selected for each of the proposed reservoi rs 1 isted in <br />table 1. In many Instances, the evaporation amounts shown in table 2 for <br />November, December, January, February, and March had to be estimated because data <br />were not collected for these months at the reservoirs because of ice-cover effects <br />(N. E. Spahr, U.S. Geological Survey, oral commun., 1977). <br /> <br />~ <br /> <br />'. <br /> <br />i <br />. <br />'. <br /> <br />::; <br /> <br />.". <br /> <br />,.( <br /> <br />12 <br /> <br />- <br />