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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

Review of Scenario Builder BMP crediting

Christopher F. Brosch

University of Maryland Extension

Chesapeake Bay Program Office

cbrosch@chesapeakebay.net

410-267-5707

slide2

Suite of Bay Modeling Tools

Land Use

Change Model

Criteria

Assessment

Procedures

Watershed

Model

Bay

Model

Scenario

Builder

AirshedModel

Effects

Allocations

slide3

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

each segment consists of separately modeled land uses
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

slide5

Non-Point Source Practices Nutrient Application Reductions

Scenario

Builder

Fertilizer

Atmosphere

Manure

River

Runoff

slide6

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

slide8

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
slide9
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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