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Review of Scenario Builder BMP crediting

Review of Scenario Builder BMP crediting. Christopher F. Brosch University of Maryland Extension Chesapeake Bay Program Office cbrosch@chesapeakebay.net 410-267-5707. Suite of Bay Modeling Tools. Land Use Change Model. Criteria Assessment Procedures. Watershed Model. Bay Model.

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Review of Scenario Builder BMP crediting

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  1. Review of Scenario Builder BMP crediting Christopher F. Brosch University of Maryland Extension Chesapeake Bay Program Office cbrosch@chesapeakebay.net 410-267-5707

  2. Suite of Bay Modeling Tools Land Use Change Model Criteria Assessment Procedures Watershed Model Bay Model Scenario Builder AirshedModel Effects Allocations

  3. Scenario BuilderA tool that simulates non-point source processes in order to enhance the accuracy and precision of the Phase 5 Chesapeake Bay Watershed Model Scenario Builder 3

  4. Each segment consists of separately-modeled land uses: Pervious Urban Impervious Urban Regulated and non-regulated versions of the above Construction Extractive Combined Sewer System versions of the above Forest/Wooded/Open Harvested Forest Row crops (high till) Row crops (low till) Vegetable Crops Pasture Fertilized Hay Alfalfa Nutrient management versions of the above Nursery Degraded Riparian Pasture AFO/CAFO Unfertilized Hay LCM info combined into Scenario Builder 4

  5. Non-Point Source Practices Nutrient Application Reductions Scenario Builder Fertilizer Atmosphere Manure River Runoff

  6. Non-Point Source Practices with Nutrient and Sediment Reduction Efficiencies Scenario Builder Fertilizer Atmosphere Manure • Load reductions attributed “efficiencies” • Efficiencies can vary by region River Runoff

  7. Non-Point Source Practices utilizing Landuse Changes Scenario Builder Runoff River

  8. Chesapeake Bay Watershed ModelAgricultural Practices Nutrient Management • Nutrient Management • Precision Agriculture • Enhanced Nutrient Management • Conservation Tillage • Continuous No-Till • Other Conservation Tillage • Cover Crops • Cover Crops and Small Grain Enhancement • Early, standard, late-planting • Species • Seeding method • Pasture Grazing Practices • Alternative Watering Facilities • Stream Access Control with Fencing • Prescribed Grazing • Precision Intensive Rotational Grazing • Other Agricultural Practices • Forest Buffers • Wetland Restoration • Land Retirement • Grass Buffers • Tree Planting • Carbon Sequestration/Alternative Crops • Conservation Plans/SCWQP • Animal Waste Management Systems • Mortality Composters • Water Control Structures • Horse Pasture Management • Non-Urban Stream Restoration • Poultry Phytase • Poultry Liter Management • Dairy Precision Feed • and/or Forage Management • Swine Phytase • Ammonia Emissions Reduction

  9. Interim BMPsdescriptions available in Scenario Builder Documentation (http://archive.chesapeakebay.net/pubs/SB_V22_Final_12_31_2010.pdf) • Cropland Irrigation Management • Cropland Drainage Phosphorus-sorbing Materials (PSMs) • Liquid Manure Injection • Poultry Manure Injection • Mortality Incineration • Vegetative Environmental Buffers (VEB) • Manure Processing Technology • Passive Hay Production • Container Nursery and Greenhouse Runoff and Leachate Collection and Reuse • Volume Reduction and/or Retention Standard

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