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<br />· Based on statistical properties or user supplied data. selects the independent station <br />or stations to be used for tilling missing records. <br />· Based on statistical properties or user supplied data. selects the equation type <br />(annuaL monthly, linear. non-linear, etc.) to be used for filling missing records. <br />· Generate a report which documents the dependent I independent station selection <br />process over time. the resulting equations and their statistical properties. <br />· Provides results which allow the data extension to be validated on a monthly, annual, <br />and basin total. <br />· Provides a complete period of streamflow data formatted for input to StateMod for <br />each of the 5 CRDSS Water Resource Planning Models. <br /> <br />Il.4Jnterface Design In this subtask, a hand or computer generated Graphical User Interface <br />(GUI) will be designed which presents the components of the historic data extension. The <br />design, which will have no functionality, will identify appropriate windows type components <br />(drop downs, radio buttons. etc,) which, if implemented by the State or others, could allow the <br />historic data extension to be performed in a user friendly manner, <br /> <br />11.5.Document Historic Data Extension In this subtask. a memorandum will be prepared which <br />documents the data extension procedure and results, This memorandum, expected to contain <br />approximately 15 pages of text, will be formatted to replace or be included within appropriate <br />sections of the existing Water Resource Planning Model documentation or appendices. State <br />comments will be include into a final memorandum that will be provided to the State in Word <br />format. The State will be responsible for converting the document to HTML for on-line access. <br /> <br />11.6.Extended Historic and Calculated Simulation In this subtask, the Water Resource Planning <br />Model data sets will be revised as appropriate and executed with the extended data in each of the <br />5 basins to confirm its operation and validate the calibration. Results will be reviewed for the <br />Historic and Calculated data by comparing the Phase lIIa 1975-1991 results against the new <br />1975-1991 results and the extended period of record results. The review will include a <br />recommendation that additional calibration activities are or are not required. Minor <br />recalibration effort is anticipated, as reflected in the associated cost of service estimate. <br /> <br />1l,7.Extended Baseline Simulation In this subtask, a new baseline data set will be developed for <br />each of the 5 Water Resource Planning Model data sets using current demands and operations in <br />conjunction with the extended period ofrecord, Results will be reviewed for the Baseline data <br />by comparing the Phase IlIa 1975-1991 results against the new 1975-1991 results and the <br />extended period ofrecord results. The review will include a recommendation that additional <br />activities are or are not required. Minor additional effort is anticipated. as reflected in the <br />associated cost of service estimate. - <br /> <br />11.8.Draft Water Resource Plauning Model Documentation In this subtask, the existing <br />StateMod documentation will be revised to reflect the extended data set development, revised <br />calibration (if any) and verification efforts, Appropriate revisions to the executive summary, <br />body and appendices of each of the 5 basin documents will be prepared. <br /> <br />11.9.Final Water Resource Planning Model Documentation Incorporate State comments into a <br />final Water Resource Planning Model documentation for each of the 5 basins, Provide Word <br />files to the State or another contractor for inclusion in the on-line documentation. <br /> <br />Deliverables: <br /> <br />C :\w\crdss\scope\boy J Ilb\crdss3 .doc <br /> <br />0757 <br /> <br />5/30/97 - Page 18 <br />