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Optimization Modeling of Vegetative Filter Strips for Reducing Stormwater Pollutant Concentrations

The Road to Stormwater Management Issues

Is PAVED With Good Intentions

THEN AND NOW

OPTIMIZATION MODEL COMPONENTS

SOIL TYPES:

SOIL PARAMETERS:

Effective porosity

Effective saturation

Wetting front

Hydraulic conductivity

OPTIMIZATION MODEL COMPONENTS

POLLUTANTS MODELED:

NUTRIENTS:

Phosphorous

Total Nitrogen*

METALS:

Zinc

Copper

Lead

* Total nitrogen is the sum of the concentrations of ammonia (NH3), ammonium ion (NH4+), nitrite (NO2), and nitrate (NO3), and dissolved and particulate organic nitrogen expressed as elemental nitrogen.

SOIL TYPES AND PROPERTIES

SOIL TYPES

SOIL TYPES AND PROPERTIES

SOIL PROPERTIES: WETTING FRONT, HYDRAULIC CONDUCTIVITY, CATION EXCHANGE CAPACITY

SOIL PROPERTIES: EFFECTIVE POROSITY, EFFECTIVE SATURATION

NONPOINT POLLUTION SOURCES

BIOREMEDIATION

PROBLEM STATEMENT

RESULTS

SANDY CLAY LOAM

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