This page contains an ongoing (from 3 Nov 08) outline of the anticipated final document, and will change as required to reflect input from all 3 authors.
MNRR 100 Year Migration Corridor Project -- Final Report -------------------------------------------------------- Stephen Lancaster, PhD (OSU) Robert B Jacobson, PhD (USGS) Sky Coyote (OSU) 31 December 2008 Abstract Introduction Purpose & scope Study location and area River simulations in general Simulation strategy in this study Links to companion websites Approach & methods Computer software used Maps & satellite images used Programs created for this study Digitization of river coordinates Tests of meandering methods Simulation of single river Multiple simulations framework Graphics Analysis of results River database Calculations Meandering motion SC (simple curvature) CS (circumferential speed (sigma)) JP (Johannesson-Parker (u1b)) Discretization and interpolation River banks Centerline and width Curvature Limitations to meandering methods Erosion rate Area coverage Total average eroded area Generation of multiple simulation parameter combinations Common area coverage and definition of migration corridor Percents/probabilities of occupancy Subsets of simulations used for occupancy Target areas in domain Percent coverage Time of invasion Comparison of 2 meandering models Results Summary Examples of simulations Extrema Nominal JP vs. CS Common coverage As 2d image and contours Statistics Coverage wrt input and output parameters Coverage wrt time 2/3d regressions Output parameters wrt inputs Output parameters wrt outputs Target invasion Locations within domain Percent coverage Time of invasion Wrt input/output parameters Example rivers reaching specific targets Comparison of JP and CS results Discussion Applicability of approach used in study Appropriateness of meandering methods chosen Reliability/robustness of input parameter values Homo/heterogeneity of domain properties Implications for management Opportunities for human intervention Scalar, vector, and area values affecting results Indications for future research Separability of simulation framework, meandering methods, and analysis database Framework for controlled variation of input and boundary parameters Scalar, vector, and area values within domain Additional/alternate meandering methods Variable width Sediment transport Multiple threads Numerical analysis of river shape N-dimensional measures of shape similarity Prediction of changes in geometry based on shape-space clustering Historical comparison (1894 to 2108) Summary References