A study of hydrologic responses of the leinhuachih forest and clearcut site to typhoon norris

Shyue Cherng Liaw*, Ted C. Sheng, Jeen Lian Hwong

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


The purpose of this paper is to discuss the effects of forests in flood control, and to study the change of streamflow on a clearcut site during a typhoon. The study areas are paired watersheds in central Taiwan: one is a clearcut site and the other is natural hardwood forest. Typhoon Norris in August 1980 brought about 390 mm of rainfall to the study areas, and we analyzed and compared the streamflow hydrographs. Results show that there was a similar hydrologic response between treatment and control watersheds. The reason is probably due to the extreme rainfall intensity. The small amount of disturbance due to logging, the rapid regrowth of vegetation after clearcutting, and the small size and steep slope of the watersheds may also have contributed to their similarity. However, it is apparent that minimizing soil disturbance during cutting operations and maintaining vegetation cover have positive effects in intercepting rainfall, decreasing peak flow, and regulating streamflow. This paper also explains the effects of forests in flood control during intense typhoon rains.

Original languageEnglish
Pages (from-to)237-241
Number of pages5
JournalTaiwan Journal of Forest Science
Issue number3
Publication statusPublished - 1998
Externally publishedYes


  • Analysis of rainfall-runoff relationship
  • Hydrologic response
  • Paired watersheds

ASJC Scopus subject areas

  • Forestry


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