Ecohydrologic indicators for rivers of Northern Taiwan

Jian Ping Suen, Edwin E. Herricks, J. Wayland Eheart

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In recent years, water resources planning and management activities have expanded from narrowly focusing on flood defense, water quantity improvement and quality control to the better integration of ecosystem needs in management protocols. Because ecosystem needs are still subject to discussion, a reasonable surrogate is the use of the natural flow regime. The natural flow regime integrates ecological, geomorphic, and hydrologie functions in a watershed and provides a flow-based approach to protecting ecosystems (ecohydrology). This paper identifies a suite of ecohydrologic indicators, called the Taiwan Ecohydrology Indicator System (TEIS). This system of indicators considers seasonal change, typhoons, and ecological requirements of resident species in hydrologic indicator selection. The final set of 60 TEIS hydrologic indicators captures the magnitude, frequency, and duration characteristics of natural flow regimes. To facilitate use in policy analysis, a reduced set of indicators was selected. This set includes six parameters that can be used to minimize the complexity of optimization procedures and still reflect ecological considerations in decision making and planning.

Original languageEnglish (US)
Title of host publicationProceedings of the 2004 World Water and Environmetal Resources Congress
Subtitle of host publicationCritical Transitions in Water and Environmental Resources Management
EditorsG. Sehlke, D.F. Hayes, D.K. Stevens
Pages4039-4047
Number of pages9
StatePublished - Dec 1 2004
Event2004 World Water and Environmental Resources Congress: Critical Transitions in Water and Environmental Resources Management - Salt Lake City, UT, United States
Duration: Jun 27 2004Jul 1 2004

Publication series

NameProceedings of the 2004 World Water and Environmetal Resources Congress: Critical Transitions in Water and Environmetal Resources Management

Other

Other2004 World Water and Environmental Resources Congress: Critical Transitions in Water and Environmental Resources Management
CountryUnited States
CitySalt Lake City, UT
Period6/27/047/1/04

ASJC Scopus subject areas

  • Engineering(all)

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