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<br />. <br /> <br />. <br /> <br />USFWS - Palisade/Grand Junction Stream Flow Analyses - DRAFT <br />May 12, 1995 <br />'Page 10 <br /> <br />Local I!lflow). Many of the other large variations in daily flow can be related to local <br />precipitation events as shown In Figure 5. We have been unable to obtain sufficient <br />, information to explain the smaller flow variations within days, but suspect its primarily <br />related to local irrigation ditch headgate operations, and operation of the check dam. <br /> <br />Daily Flow Variation at 27.5 Road Gage <br />Versus Local Precipitation <br /> <br />~" <br /> <br />, <br /> <br />.. <br /> <br />c., <br />~ <br />~ <br />(.) <br />~ <br /> <br />'" <br /> <br /> <br />. <br />. <br />. <br />. <br />. . <br />. . <br />. .. <br />:~ :: <br />. .. <br /> <br />.. <br />.. <br />.. <br />" <br />" <br />.. <br />.. <br />" <br />.. <br />.. <br />.. , <br />~ . <br /> <br />~ <br />, i'l <br />.<:: <br />(.) <br />0:: <br />a.s:"::'- <br />0:: <br />.2 <br />- <br />'" <br />, - <br />'0.. <br />'0 <br />.. <br />" ~ <br />" <br />(.) <br />'.3 <br /> <br />c <br />o <br />'';:: 9" <br />'" <br />.~ <br />;>- <br />:: <br />o ... <br />1i:; <br />~ <br />'a <br />Q <br /> <br />.. <br /> <br />Month <br /> <br />1---- DeilyVuiation . LocalPrecipitoiion I <br /> <br />Figure 5 <br /> <br />IV CALCULA TED LOCAL INFLOW <br /> <br />A primary purpose of flow measurement at the 27.5 gage is to assist in defining the local <br />inflows to the 15 mile critical reach. Local inflows are defined in this report as the <br />surface and groundwater flows that accrue to the Colorado River between the Palisade <br />gage and 27.5 Road gage. Local inflow may be caused by natural tributary flow entering <br />the area, irrigation return flows, irrigation waste flows, runoff resulting from local <br />