Table of Contents
Role of Modeling in Assessing Natural Attenuation Mike Erickson, Greg Peterson
Overview
Natural Attenuation
Natural Attenuation Assessments
Time factor
Risk-based Assessment Criteria
Risk “driver”
Basic Assessment Questions
The Role of Models
Fate and Transport Models
Stability Models
Wind Event Stability Analysis
Depth of Scour Model
Effects of Natural Processes
Active Layer Natural Processes
Site Life Cycle
Attenuation Rate Determination
Characteristic Rates
Deposition vs. Non-deposition
Site-Specific Nat’l Attenuation
Model Sensitivity/Uncertainty
Modeling Natural Attenuation
Modeling Effectiveness
Tiered Model Approaches
Typical Model Framework
Simple vs. Complex Models
How to Deal with Uncertainty?
Model Development Process
General Data Needs
Model Development Needs
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