〔1〕Department of Soil and Water Conservation, National Chung Hsing University, Taichung, Taiwan, R.O.C.
〔2〕Dongshih Forest District Office No. 2, Hangchou S. Rd., Sec. 1, Taipei City 10050, Taiwan R.O.C.
〔3〕Professor, Dept. of Water Resources Engineering and Conservation, Feng Chia Universtiy, Taichung, Taiwan, R.O.C.
〔4〕Assistant Researcher. of Construction and Disasters Prevention Research Center, Feng Chia Universtiy, Taichung, Taiwan, R.O.C.
* Corresponding Author. E-mail : email@example.com