TEL:886-2-2367-8532
FAX:886-2-2368-6732

Full-text available
   < Previous vol/No | Next vol/No >
Vol.52, No.4, PP.185-252
Content:   PDF( 0.81MB )

Editorial Scope and Editorial Board:  PDF( 0.28MB )

1
Small-Scale Flume Experiment to Investigate the Influence of Check Dam Opening on Upstream Deposition
52(4):185-195
Yuan-Hung Chiu Chi-Yao Hung*
* Corresponding Author. E-mail : cyhung@nchu.edu.tw
Show preview   |   PDF( 3.25MB )   |  
Small-Scale Flume Experiment to Investigate the Influence of Check Dam Opening on Upstream Deposition
Close
Yuan-Hung Chiu Chi-Yao Hung*

Abstract
Check dam effectiveness is related to the sediment deposition slope upstream, sediment transport layer
slope, and the width of the check dam opening. In this study, small-scale channel experiments were conducted to study the variation in the deposit slope behind the check dam, the sediment transport layer’s slope, and the sediment transport layer’s thickness with different degrees of check dam openness and river slope conditions. A new laser cross-sectional measurement was developed to avoid the boundary effect and measure the sediment transport layer. The results suggest that the deposit slope and transport layer are significantly affected by the check dam’s openness. Furthermore, they increase with the river bed slope. In accordance with the experimental results, dimensionless analysis was applied, and a preliminary prediction formula was developed for determining check dam effectiveness.
Key Words: Silt Dam, Dynamic Sediment Transport Layer, Particle Tracking Velocimetry, Small-Scale Flume Experiments
Department of Soil and Water Conservation, National Chung Hsing University, Taichng, Taiwan, R.O.C.
* Corresponding Author. E-mail : cyhung@nchu.edu.tw
Received: 2021/03/22
Revised: 2021/05/05
Accepted: 2021/06/02
2
Application of Directional Analysis Window in Geomorphometry
52(4):196-204
Chun-Yi Wu Shuan-Shuan Chang* Chen-Shuan Lee
* Corresponding Author. E-mail : g108042219@mail.nchu.edu.tw
Show preview   |   PDF( 9.48MB )   |  
3
Influence of Landslides on Soil Erosion and Sediment Yield in a Watershed
52(4):205-217
Chun-Ting Chang[1] Ching-Nuo Chen[2] Chin-Yu Lee [1] Yi-Lung Yeh[3]
* Corresponding Author. E-mail : ginrochen@mail.npust.edu.tw
Show preview   |   PDF( 5.99MB )   |  
4
Modeling of Soil Quality for Assessing Soil Health: Improving Soil Functions Its Sustainability
52(4):218-230
Mohamed El Sayed Abou-Kota[1]* Abdellatif Deyab Abdellatif[2] Mahmoud Soliman Mohamed[2] Mona Hefni Mohamed Kenawy[1]
* Corresponding Author. E-mail : aboukota.m@gmail.com
Show preview   |   PDF( 2.39MB )   |  
5
Case Studies for the Investigation of Large-scale Potential Landslides
52(4):231-240
Chia-Hao Lu[1] Jia-Tung Chen*[1] Ching-Hui Huang[1] Chao-Chin Pai[2] Zhong-Fu Xiao[2] Ming-Yan Li[2] Zhi-Wei Huang[2] Chia-Wei Wu[2] Fang-Tzu Kuo[3]
* Corresponding Author. E-mail : tom@safe100.com.tw
Show preview   |   PDF( 19.11MB )   |  
6
Disaster Prevention Education for Soil and Water Conservation: A Case Study on Large-scale Landslide Disaster Prevention
52(4):241-252
Shih-Meng Hsu[1]* Yi-Fan Liao[1] Ming-Chia Tung[1] Yung-Sheng Lin[2] Yu-Hui Lin[2] Chun-Fa Chien[2]
* Corresponding Author. E-mail : shihmeng@mail.ntou.edu.tw
Show preview   |   PDF( 10.1MB )   |  
   Copyright © 2011 Chinese Soil And Water Conservation Society   MAP    
Address:2FL, No.8, Lane 113, Xiamen St., Zhongzheng Dist., Taipei City 100, Taiwan (R.O.C.)