A Distributed Hydrologic Simulation Environment with Latin Hypercube Sampling

M.L. Neilsen, D.M. Temple, and J.L. Wibowo (USA)


Hydrology, modelling, numerical analysis, probability, simulation, vegetated earth spillways.


The United States Department of Agriculture (USDA) Natural Resources Conservation Service (NRCS) Water Resource Site Analysis Software (SITES) is an event oriented model for hydrologic and hydraulic analysis of water control structures (sites). The spillway analysis module has been extracted from SITES to make it easier to use with other reach routing software; e.g., HEC-RAS, TR-20, etc. In addition, this module has been extended to support probabilistic sampling of key hydraulic and material parameters for sensitivity analysis. In this paper, we describe the design of this new hydrologic simulation environment called Sites Spillway Erosion Analysis with Latin Hypercube Sampling (SSEA+LHS).

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