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Watershed Planning within a Quantitative Scenario Analysis Framework
12:44

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

Developing nonpoint-source suspended solids control strategies using multimedia watershed management modeling.

Y C Lai1, C M Kao, R Y Surampalli

  • 1Institute of Environmental Engineering, National Sun Yat-Sen University, Kaohsiung, Taiwan.

Water Environment Research : a Research Publication of the Water Environment Federation
|December 15, 2010
PubMed
Summary
This summary is machine-generated.

Nonpoint-source pollution significantly increases suspended solids in Taiwan

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Area of Science:

  • Environmental Science
  • Hydrology
  • Water Quality Management

Background:

  • The Kaoping River Basin in Taiwan faces intensive land use.
  • Understanding land-use patterns is crucial for managing water resources.

Purpose of the Study:

  • To classify land-use patterns in the Kaoping River Basin.
  • To assess the contribution of nonpoint-source pollution to suspended solids.
  • To identify best management practices for reducing pollution.

Main Methods:

  • Geographic Information System (GIS) and Erdas Imagine for land-use classification.
  • Field verification for accuracy assessment.
  • Integrated Watershed Management Model for water quality simulation.

Main Results:

  • Orchard gardens, rice paddies, and sugarcane fields are dominant land uses.
  • Nonpoint-source pollution significantly elevates suspended solids during the wet season (from <64 mg/L to >1700 mg/L).

Conclusions:

  • Forestation and improved land-use management are effective strategies for reducing nonpoint-source suspended solids.
  • Integrated watershed management is key to mitigating water quality issues.