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VI. Program Analysis
<br />a. Activities Scbedules
<br />The activities of the evaluation of existing Reclamation projects are
<br />scheduled for fiscal years 1990 through 1995 with the Nt(`° aiver
<br />pre+ evalaetrn, reportoYeduled for completion in fiscal We-
<br />4x 1993
<br />and the South Platte Colorado -Big Thompson evaluation report scheduled
<br />for completion in fiscal year 1995. The work schedule is over this
<br />extended time frame to accommodate work tasks that are dependent on data
<br />collection and information gathering from other agencies.
<br />Th* ,intrs five 'parts -or phases. This was done to
<br />elaborate on different work item areas. The major Plan of Study
<br />activities are: (1) Hydoologic Operations Analysis, (2) Platte River
<br />Htftaulfc-an,d Sediments Characteristics, (3) Development of Species/
<br />'`t*Management Needs and Goals, (4) Evaluation of Project
<br />t r'at ,nal,,,Ef,fer,ts on Species Habitat, and (5) Evaluation of other
<br />operational v,#s.
<br />The data for developing and updating operation studies will be obtained
<br />from Reclamation, USGS, NOAA, and State water resource records.
<br />Computerized da#a> f =aloo, #0r' "tbt- atudy�- per od will`- be developed for flow,
<br />diversions; return flows, climate, and land use development. Other
<br />basic data to be collected includes water right filing records showing
<br />type of use, location, priority, and amount allocated. The hydraulic
<br />capacities of structures (dams, diversion dams, and power plant) is
<br />another set of information which will be assembled and utilized.
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<br />1. Hydrologic Operation Analysis
<br />The activities associated with hydrologic operation analysis are those
<br />necessary to develop A n Jy_ P;l:atta Raver, •North ;l atte
<br />Plttt�e l- iver- operation studiesn in tionj- if t$,e
<br />need ,:.predictive daily operation studies for selected Platte
<br />_,74"
<br />River r, s will °be'developed.1' The development of operation studies
<br />will consider the length of study period, data sources, system operation
<br />criteria, water requirements, and building the operations models..
<br />Dur a ve-I. ear 19.90 and 1993, focus. will be placed on developing a °
<br />mcftWly •f'Iaw::,modei: e _ A Platte -i , 4 -frame a+ mime: Lufilomar
<br />dwanstr saw to owel Ion , -- Nobeeska 1 The tae ' " l- Vlatt * y-- model
<br />wilt Ise, ti a rompatib` a -with the - orth Platte :model.
<br />The study period selected will be a time period that.is representative
<br />of longterm climatic conditions and is assumed to be representative of
<br />future runoff or water supply conditions. Past analysis of-Platte River
<br />hydrology have been complicated by the use of a number of. different time
<br />periods for various water supply analyses. The study peiod will be
<br />determined by analyzing trends in headwater and tributary discharge,
<br />noting length of-discharge records, and looking at consumptive use
<br />basin -wide to make sure the high and low extremes are included.
<br />The data for developing and updating operation studies will be obtained
<br />from Reclamation, USGS, NOAA, and State water resource records.
<br />Computerized da#a> f =aloo, #0r' "tbt- atudy�- per od will`- be developed for flow,
<br />diversions; return flows, climate, and land use development. Other
<br />basic data to be collected includes water right filing records showing
<br />type of use, location, priority, and amount allocated. The hydraulic
<br />capacities of structures (dams, diversion dams, and power plant) is
<br />another set of information which will be assembled and utilized.
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