Laserfiche WebLink
I <br />Erosion Transport, and Deposition Processes <br />Tasks th eed to be previously <br />co eted <br />Task Description <br />A <br />Sediment Transport Processes and Characteristics <br />I. <br />II. <br />III. <br />IV. <br />1 <br />Collect complete hydraulic and total- sediment - transport measurements: 5 <br />measurements per qauqinq station per year X 5 stations (incl. Cozad) <br />2 <br />Develop sediment ratinq curves and sand budqets by qrain size <br />A.1 <br />3 <br />Refine, calibrate, and verify sediment transport component of the <br />A.1 -2 <br />SEDVEG model <br />B <br />Lateral erosion /accretion <br />1 <br />A.3 -6 <br />2 <br />Coordination with bed incision to separate lateral and vertical processes <br />A.1 -3 <br />3 <br />Review applicability of other models of lateral processes <br />4 <br />Refinement, calibration, and verification of lateral processes <br />B.1 -2 <br />C <br />Detailed Data Collection for Sand Bar /Bedform /Island Processes <br />1 <br />Develop monitorinq plan for new sites and cooperative efforts with others <br />D.1 -3 <br />D.1 <br />2 <br />Coordinate with USGS at Cottonwood and Lowe Sanctuary <br />3 <br />From aerial or boat survey, identify 6 locations for detailed monitoring <br />C.1 <br />4 <br />Install monuments and instrumentatation, includinq time -lapse camera <br />C.1 -3 <br />5 <br />Conduct initial detailed hydraulic, sediment and topo survey of 6 reaches <br />C.1 -4 <br />6 <br />Conduct re- measurements of 6 reaches, assume 4 per year <br />C.1 -5 <br />7 <br />Reach visits to replace film, service equipment, download data (4 /yr) <br />C.1 -5 <br />D <br />Analvze Sandbar /Bedform /Island Formation and Removal Processes <br />1 <br />Coordination with field data collection teams <br />2 <br />Coordination with GIS team <br />3 <br />Coordinate with USGS at Cottonwood and Rowe Sanctuary <br />4 <br />Coordinate with USGS lab tests <br />5 <br />Develop analytical tools for assessing bar /bedform /island processes <br />D.1 -4 <br />6 <br />Coordinate w/ USGS 2 -D Modelinq <br />7 <br />Test analytical tools with field data <br />D.1 -6 <br />8 <br />Field monitorinq durinq hiqh flows <br />D.1 -6 <br />9 <br />Monitor two other sand bar construction methods <br />B.9 <br />10 <br />Analyze qeomorphic data on sand bar /island locations in planform <br />D.1 -8 <br />C.7 <br />11 <br />Coordinate with biolgists on acceptability /use of sand bars <br />D.1 <br />12 <br />Compare observations with literature descriptions of processes <br />