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<br />Table 4.--Number of National Weather Serviae storm observers in Colorado <br /> <br />County <br /> <br />Alamosa----------- <br />Archuleta--------- <br />Boulder----------- <br />Chaffee----------- <br />Custer------------ <br />Delta------------- <br />Dolores----------- <br />Douglas----------- <br />Eagle------------- <br />El Paso----------- <br />Fremont----------- <br />Garfield---------- <br />Gilpin------------ <br />Gunnison---------- <br />Huerfano---------- <br />Jefferson--------- <br />La Plata---------- <br /> <br />Number of <br />observers <br /> <br />County <br />Larimer-------------- <br />Mesa----------------- <br />Mineral-------------- <br />Moffat--------------- <br />Montezuma------------ <br />Montrose------------- <br />Ouray---------------- <br />Pitkin--------------- <br />Pueblo--------------- <br />Rio Blanco----------- <br />Rio Grande----------- <br />Routt---------------- <br />Saguache------------- <br />San Juan------------- <br />San Miguel----------- <br />Teller--------------- <br /> <br />Number of <br />observers <br /> <br />43 <br />8 <br />3 <br />7 <br />3 <br />6 <br />2 <br />4 <br />5 <br />5 <br />20 <br />5 <br />7 <br />3 <br />4 <br />25 <br /> <br />18 <br />5 <br />92 <br />3 <br />2 <br />3 <br />3 <br />3 <br />5 <br />110 <br />2 <br />8 <br />3 <br />2 <br />6 <br />53 <br />8 <br /> <br />The research effort was started October 1, 1977, and was initially planned <br />for a 3-year period. After the second year, an evaluation will be made of accom- <br />pi ishments and remaining study tasks. Following the evaluation, required <br />modifications will be made to the research plan. Additional hydrologic-data <br />requirements for foothill basins will be identified during the research study and <br />a data-collection network will be designed and instrumented. <br /> <br />Coordination will be maintained with the u.S. Water Resources Council work <br />group on flood-flow frequency and other groups engaged in flood-research studies. <br />The overall research plan includes consultation from specialists in the field of <br />hydrologic statistical analysis, geomorphology, and botanic research. A <br />literature search and review will be completed during 1979. Several pertinent <br />reports and articles related to the research study tasks are listed in this report <br />as references. <br /> <br />Flood Records for Foothill Streams <br /> <br />The flood problem for foothill streams is described by the u.S. Water <br />Resources Counci 1 (1976), as follows: "At some locations, flooding is created by <br />different types of events. For example, flooding in some watersheds is created by <br />snowmelt, rainstorms, or by combinations of both snowmelt and rainstorms. Such a <br />record may not be homogeneous and may require special treatment." Several studies <br />involving flood records for foothill streams are mentioned elsewhere in the <br />report, but to date no comprehensive effort has been made to study the problem on <br />a wide scale. Although this study is limited to the foothills environment of <br />Colorado, project concepts and results could conceivably be applied to similar <br />foothill streams elsewhere. <br /> <br />~ <br />I <br />, <br />r <br />I <br /> <br />17 <br />