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Investigation.
<br />Develop Geomorphic Assessment Work Plan
<br />Organize appropriate committee to lead qeomorphic assessment
<br />Contract with consultants to participate in geomorphic assessment
<br />Compile bibliography of all relevant geomorphic data and coverages
<br />Collect, review existing aerial photos and existing GIS coverages including COHYST
<br />Evaluate existing geomorphic data regarding channel characteristics and slopes
<br />Identify key gaps in geomorphic data and plan new data collection
<br />Pre -plan geomorphic data analysis (what will we do with the new data ?)
<br />Pre -plan appropriate classification system for characterizing the Platte's morphology
<br />Revise geomorphic data collection plan
<br />Pre -plan field work (equipment, access, scheduling, dataforms, etc.)
<br />Determine specific locations for field inspection
<br />Negotiate agreements for access, monumentation, helicopter, use of airboat, etc.
<br />Establish protocol for field work and data quality, assume 90 miles of survey
<br />Negotiate contract for Lidar imagery, assume 90 miles of survey
<br />Interim report - "Geomorphic Data Collection and Analysis Plan"
<br />Basic Geomorphic Data Collection ( includinq Field Data)
<br />Compile all previous width measurements, including Carter Johnson "areas"
<br />Compile, categorize and RATE all existing planform and other geographic data, measurements and
<br />Scan, register, categorize, and RATE all unscanned imagery of river planform
<br />Field verify geomorphic nuances identifed from existing geographic imagery
<br />Install /field verify controls for geomorphic surveys
<br />Reconnaissance observations of banks, bars, shoals, bedforms, islands and georeferenced video
<br />of river
<br />7 Detailed GPS measurements of water surface profiles and bed profiles if possible
<br />8 Set ground control for Lidar imagery
<br />9 Acquire Lidar imagery
<br />0 Acquire Lidar digital topography (assumes $3500 /mile total)
<br />1 Field inspection of flow patterns at/near Kearney diversion - two occasions
<br />2 Sediment transport measurements at/near Kearney diversion - two different flows
<br />31 Detailed width measurements at/near Kearney diversion
<br />4 Interim report - "Summary of Platte River Geomorphic Database"
<br />Analvsis of Geomorphic Data
<br />Establish relevant geomorphic parameters and best means of measuring them
<br />Develop GIS database of pre - existing and newly acquired field measurements
<br />Download Lidar topo to GIS database
<br />Measure relevant dimensions from best available imagery/data /coverages
<br />Classical geomorphologic measures (channel form, braiding indices, wavelength, etc.)
<br />Classify river reaches by adopted classification system from A.8
<br />Subclassification of macroforms, cross - sections, bars, islands, etc.
<br />Develop, adopt applicable definition of "width" W
<br />Measure, tabulate "W's" from GIS database
<br />Re- calculate effective discharge and assess associated active channel width
<br />Integrate Carter Johnson data in GIS and geomorphic classification system
<br />Classify river geomorphology by longitudinal changes (i.e. Kearney downstream vs. upstream)
<br />Develop classification system for Platte bridge /diversion reaches
<br />Contract Services
<br />Cross Ref. Year 1
<br />Year 2
<br />Year 3
<br />Year 4
<br />Yrs 5 -13
<br />$50,000
<br />$40,000
<br />$10,000
<br />$10,000
<br />$80,000
<br />$5,000 $5,000
<br />$7,000
<br />$3,000
<br />$10,000
<br />$100,000
<br />$250,000
<br />$1,000
<br />$5,000
<br />$50,000
<br />$200,000
<br />Cost
<br />$1
<br />$0
<br />$0
<br />$0
<br />$0
<br />$0
<br />$0
<br />$0
<br />$0
<br />$0
<br />$0
<br />$1
<br />$7,000
<br />$8,000
<br />$10,000
<br />$150,000
<br />$450,000
<br />$0
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