Review of scenario builder bmp crediting
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Review of Scenario Builder BMP crediting. Christopher F. Brosch University of Maryland Extension Chesapeake Bay Program Office [email protected] 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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Review of Scenario Builder BMP crediting

Christopher F. Brosch

University of Maryland Extension

Chesapeake Bay Program Office

[email protected]

410-267-5707


Suite of Bay Modeling Tools

Land Use

Change Model

Criteria

Assessment

Procedures

Watershed

Model

Bay

Model

Scenario

Builder

AirshedModel

Effects

Allocations


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:

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


Non-Point Source Practices Nutrient Application Reductions

Scenario

Builder

Fertilizer

Atmosphere

Manure

River

Runoff


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


Non-Point Source Practices utilizing Landuse Changes

Scenario

Builder

Runoff

River


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


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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