Optimization Models for the Design of Vegetative Filter Strips for Stormwater Runoff and Sediment Control

Puneet Khatavkar, Larry Mays

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Vegetative filter strips (VFS) are an effective methodology for runoff management and control of sediment flow and soil erosion, particularly for large urban parking lots, and for irrigation water management. An optimization model for the design of vegetative filter strips for runoff management, that minimizes the amount of land required for the strips, is developed herein. The resulting optimization model is based upon the kinematic wave equation for overland sheet flow along with equations defining the cumulative infiltration and infiltration rate. The nonlinear programming (NLP) optimization model has been applied using the General Algebraic Modeling System (GAMS). The runoff management model is extended for the control of sediment. These new models provide flexibility for site-specific conditions and are a step forward in the development of new design methodologies for stormwater and irrigation flow management. The optimization models have been applied using a sensitivity analysis of parameters such as different soil types, rainfall characteristics etc., performed to validate the model. Results of the example model applications indicate the usefulness of the models for practical applications in the field. To our knowledge this is the first optimization model developed for the design of vegetative filter strips for runoff and sediment control.

Original languageEnglish (US)
Pages (from-to)1-16
Number of pages16
JournalWater Resources Management
DOIs
StateAccepted/In press - Apr 8 2017

Fingerprint

Runoff
stormwater
Sediments
runoff
filter
sediment
Infiltration
Irrigation
infiltration
irrigation
Soils
sheet flow
methodology
parking
overland flow
wave equation
Parking
Water management
Nonlinear programming
Wave equations

Keywords

  • Grass filter strips
  • Infiltration
  • Nonlinear programming
  • Optimization
  • Overland flow
  • Sediment control
  • Soil erosion
  • Stormwater management
  • Urban stormwater management

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Water Science and Technology

Cite this

Optimization Models for the Design of Vegetative Filter Strips for Stormwater Runoff and Sediment Control. / Khatavkar, Puneet; Mays, Larry.

In: Water Resources Management, 08.04.2017, p. 1-16.

Research output: Contribution to journalArticle

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