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Vol.43, No.4, PP.1-368
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1
Investigating the Effect of Various Seepage Directions on the Mechanism of Slope and Debris Flows by Using Simplified Formulas
43(4):285-292
Darn-Horng Hsiao*
* Corresponding Author. E-mail : hsiaodh@cc.kuas.edu.tw
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2
The Long Term Rainfall Trend and Landslide Distribution in Chishan River Watershed
43(4):293-301
Su-Chin Chen[1] Yu-Hang Chu[2] Chun-Hung Wu[3]*
* Corresponding Author. E-mail : chwu@mail.nchu.edu.tw
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3
A Direct Analytical Approach for Solving Surface and Surface Water Flow on a Hillslope
43(4):302-311
Ping-Cheng Hsieh* Ching-Ya Tang Siou-Yi Hu
* Corresponding Author. E-mail : pchsieh@dragon.nchu.edu.tw
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4
Landscape Aesthetics Quality Estimation Method for Check Dams─Application of the Fuzzy Logic System
43(4):312-322
Szu-Hsien Peng[1]* Huan-Chun Lin[2] Su-Chin Chen[2]
* Corresponding Author. E-mail : shpeng@cc.ctu.edu.tw
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5
Factors Affecting Aeolian Dust Emission in the Downstream of Zhuo-shui River
43(4):323-331
Chao-Yuan Lin* Cheng-Yu Lin
* Corresponding Author. E-mail : cylin@water.nchu.edu.tw
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6
The Establishment of a Landslide Hazard Analysis Model for the Taipei Water Source Domain
43(4):332-345
Su-Chin Chen[1] Chun-Yi Wu[1]* Cheng-Daw Hsieh[2]
* Corresponding Author. E-mail : d9442006@mail.nchu.edu.tw
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The Establishment of a Landslide Hazard Analysis Model for the Taipei Water Source Domain
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Su-Chin Chen[1] Chun-Yi Wu[1]* Cheng-Daw Hsieh[2]

Abstract
Landslide hazard assessment includes the landslide spatial probability, temporal probability, and the probability of landslide area (or volume). Seven geomorphological factors and two rainfall factors, evaluated as effective factors because of the higher correlation with the landslide distribution, were considered in the landslide susceptibility model. The probabilities of landslide area (or volume) were developed by transforming the power law formula in the landslide frequency-area (or volume) distribution. Then, the landslide spatial probability and exceeding probability of different rainfall events as well as the probability of landslide area were used to predict the annual probability of each slope-unit with a landslide area greater than the threshold. The slope-units with high landslide probability were distributed over the upstream Nan-Shih Stream basin, which is the main region for managing serious sediment-related hazards in the future.
〔1〕Department of Soil and Water Conservation, National Chung Hsing University, Taichung, Taiwan, R.O.C.
〔2〕Taipei Water Management Office, Water Resources Agency, Ministry of Economic Affairs, Taipei, Taiwan, R.O.C.
* Corresponding Author. E-mail : d9442006@mail.nchu.edu.tw
Received: 2012/02/14
Revised: 2012/04/16
Accepted: 2012/04/23
7
Investigation and Repair Design of the Slate Slope De-formation Zone on the Right Ridge of Wu-She Dam
43(4):346-358
Jung-Tai Lee[1]* Chen-En Chiang[1] Chung-Ren Huang[1] Chia-Sheng Hsu[2] Hung-Cheng Kang[2]
* Corresponding Author. E-mail : lee2406@mail.sinotech.com.tw
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8
The Factors Influencing the Numerical Simulation of the Spectral Analy-sis of the Surface Waves Method
43(4):359-368
Pei-Hsun Tsai [1] Chang-hai Chien[2]* Zheng-yi Feng[2] Yu-ting Lin[2]
* Corresponding Author. E-mail : mikechien@nchu.edu.tw
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