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A Multistate Water Quality A Multistate Water Quality Trading Tool for the Trading Tool for the Trading Tool for the Trading Tool for the Chesapeake Bay Chesapeake Bay Mindy Selman & Sara Walker Mindy Selman & Sara Walker

SLIDE 1

A Multistate Water Quality A Multistate Water Quality Trading Tool for the Trading Tool for the Trading Tool for the Trading Tool for the Chesapeake Bay Chesapeake Bay

Mindy Selman & Sara Walker Mindy Selman & Sara Walker December 16, 2011 December 16, 2011 December 16, 2011 December 16, 2011

SLIDE 2

NutrientNet/NTT

NutrientNet: R i t – Registry – Marketplace – Calculation Tools (NTT + GIS + policy) NTT: – dynamic biophysical model – APEX, RUSLE2, Century Developed through NRCS – Developed through NRCS – Nutrients, Sediments & C

SLIDE 3

Multistate Platform

CIG to create a single multistate WQT platform (NutrietnNet/NTT) that will accommodate: accommodate: I t t t t di

Interstate trading
Unique elements of

state programs

SLIDE 4

Benefits

Align infrastructure

Align infrastructure

Facilitate trades
Standard basis for

determining credits

Integrated registry

F ilit t d t

Facilitate updates

SLIDE 5

Calculation Considerations

Trading ratios
Baselines
practice vs.

p performance

farm vs. field
Allowable practices
Accommodating

evaluation uses

CBWM

SLIDE 6

NutrientNet Calculations Chesapeake Bay Watershed Model NTT

Management Info Spatial Info

NTT Output (Edge of Farm)

= NTT

Structural BMPs

Current TMDL

Trading Eligibility NTT = NutrientNet Operations

Edge of Segment Delivery

Current Load (EOS) TMDL Baseline (EOS)

= CBWM

SLIDE 7

Thank You Thank You

mindy.selman@wri.org mindy.selman@wri.org lk @ i lk @ i sara.walker@wri.org sara.walker@wri.org