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Section 1: Introduction

Section 1: Introduction. Virginia Tech Biological Systems Engineering 2013. Introduction. Welcome & Introduction of Participants & Trainers Training Overview Brief History of TMDLs in Virginia Learning Objectives.

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Section 1: Introduction

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  1. Section 1: Introduction Virginia Tech Biological Systems Engineering 2013

  2. Introduction Welcome & Introduction of Participants & Trainers Training Overview Brief History of TMDLs in Virginia Learning Objectives

  3. Introduction of Participants and Trainers • Brian Benham, Extension Specialist and Associate Professor, Dir., Center for Watershed Studies • Project Management • Gene Yagow, Research Scientist • Modeling (GWLF, HSPF), Aquatic Life Impairments, Coal field TMDLs; TMDL Implementation Plan Development • Karen Kline, Research Scientist • Modeling (HSPF, GWLF), Bacteria Impairments, Aquatic Life Impairments; TMDL Implementation Plan Development • C.J. Mitchem, Research Associate • Modeling (HSPF), Bacteria Impairments

  4. Workshop Overview: Day 1 • Tuesday Morning • Introduction • Introduction to TMDL Modeling • TMDL development essentials • Modeling overview • Common data needs • Common model development processes

  5. Workshop Overview: Day 1 cont. • Tuesday Afternoon • GWLF applications for benthic stressors • Stressor analysis • Linking stressor(s) to biological condition • TMDL Endpoints • The GWLF model • Post-processing with GWLF • Model output evaluation • Emerging issues in developing TMDLs to address aquatic live use impairments

  6. Workshop Overview Watershed Model • Wednesday • Day 1 Follow-Up • HSPF Applications • Overview of HSPF • Source assessment • TMDL model development • HSPF TMDL model use • TMDL Evaluation • Evolution of HSPF use in TMDL development • Wrap-Up & Evaluation

  7. TMDL development in Virginia 1999 – 2013 TMDL Development Status (VADEQ, 2013)

  8. TMDL equations by impairment (Source: VADEQ)

  9. Training Objectives • To provide you with the following knowledge/skills when conducting and evaluating a TMDL study: • Understand the role of models in TMDL development • Understand how watersheds and pollutant sources are represented in the two dominant models used in TMDL development in Virginia • Understand the input data requirements of these models • Learn specific ways to critically evaluate model results

  10. Example Report • Maury River Includes several bacterial impairments and a benthic impairment (sediment)

  11. Questions?

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