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Land Sediment Calibration

Explore the latest calibration results of a land sediment modeling subcommittee's improved simulation model, including decision rules and parameters for accurate rainfall detachment and generation. The strategy focuses on reducing the parameter set for better efficacy, with key rules like zero detached sediment post-large storms and reaching 90% storage in 30 days. New updates include hydrology calibration, updated land cover, and extension of simulations up to 2005.

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Land Sediment Calibration

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  1. Land Sediment Calibration Jing Wu Modeling Subcommittee 04/03/2007

  2. Wash off Generation Attachment Rainfall Detachment Land Sediment Simulation Detached Sediment KSER KRER AFFIX NVSI Soil Matrix (unlimited) 4 parameters, 1 target

  3. Decision Rules for Key land Parameters • Zero Detached Sediment after large storms • Detached Sediment storage reaches 90% of its Max in 30 days • Generation makes up significant portion of Detached Sediment

  4. Strategy: Reduce the Parameter Set • AFFIX = 0.0765 • Assume NVSI : EOF target = 1.5 • Assume KSER : KRER = 5 • Adjust KSER to meet target

  5. What’s New? • New hydrology calibration • New land cover • Simulation extended to 2005

  6. Calibration Results

  7. Calibration Results

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