Relationship between landscape characteristics and surface water quality

C. L. Chang, W. H. Kuan, P. S. Lui, C. Y. Hu

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)


The effects of landscape characteristics on surface water quality were evaluated in terms of land-use condition, soil type and slope. The case area, the Chichiawan stream in the Wulin catchment in Taiwan, is Formosan landlocked salmon's natural habitat. Due to the agriculture behavior and mankind's activities, the water and environmental quality has gradually worsened. This study applied WinVAST model to predict hydrological responses and non-point source pollution (NPSP) exports in the Wulin catchment. The land-use condition and the slope of land surface in a catchment are major effect factors for watershed responses, including flows and pollutant exports. This work discussed the possible variation of watershed responses induced by the change of land-use condition, soil type and slope, etc. The results show that hydrological responses are highly relative to the value of Curve Number (CN); Pollutant exports have large relation to the average slope of the land surface in the Wulin catchment.

Original languageEnglish
Pages (from-to)57-64
Number of pages8
JournalEnvironmental Monitoring and Assessment
Issue number1-3
Publication statusPublished - 2008


  • Chiachia wanstream
  • Formosan landlocked salmon
  • Landscape characteristic
  • Modeling
  • Non-point source pollution
  • Watershed simulation

ASJC Scopus subject areas

  • General Environmental Science
  • Pollution
  • Management, Monitoring, Policy and Law


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