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Vol.45, No.4, PP.217-273
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1
Establishing a New Susceptibility Model for Landslides in Urban Areas: A Case Study of Taipei City
45(4):217-224
Po-Chuan Chi [1]* Che-Wei Shen[1] Shu-Yeong Chi [1] Li-Yuan Huang[2] Shih-Yuan Lin[2] Sin-Yuan Pan[2]
* Corresponding Author. E-mail : pcchi@sinotech.org.tw
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2
The Influence of Topography and Geology on the Sedimentation in the Upstream Area of the Lan-Yang Catchment
45(4):225-233
Ke-Jian Shou[1]* Li-Yuan Feit[2] Mian-Ming Chen[2] Jiun-Her Linang[2] Yi-Ting Huang[1] Jia-Fei Lin[1]
* Corresponding Author. E-mail : kjshou@dragon.nchu.edu.tw
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3
Applying Cone Penetration Testing and Electrical Resistivity Tomography to Estimate the Soil-bedrock Interface in Colluvium
45(4):234-242
Tsung-Hsuan Lu Wei-Li Liang*
* Corresponding Author. E-mail : liangwl@ntu.edu.tw
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4
The Influence of Bedrock Location and Soil Characteristics on Rainfall-Runoff and Large-Scale Landslides
45(4):243-256
Chen-Yu Chen[1][2]* Masaharu Fujita[2] Daizo Tsutsumi [2]
* Corresponding Author. E-mail : cychen59@gmail.com
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5
The Landslide Susceptibility Model Based on Landslide Ratio by using Logistic Regression
45(4):257-265
Chun-Hung Wu*
* Corresponding Author. E-mail : chhuwu@fcu.edu.tw
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6
Investigation on Temperature Regimes of the Air, Streamflow and Top Soil Layers in the Riparian Area of the Lienhuachih No.3 Experimental Watershed
45(4):266-272
Shiang-Yue Lu* Liang-Shin Hwang Ho-Chiao Fu
* Corresponding Author. E-mail : shiang@tfri.gov.tw
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Investigation on Temperature Regimes of the Air, Streamflow and Top Soil Layers in the Riparian Area of the Lienhuachih No.3 Experimental Watershed
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Shiang-Yue Lu* Liang-Shin Hwang Ho-Chiao Fu

Abstract
This study recorded air, top soil layers and streamflow temperatures at the Lienhuachih No. 3 experimental
watershed of the Lienhuachih Experimental Forest of the Taiwan Forestry Research Institute (TFRI) from 2009 to 2012. The results show that the average yearly temperatures for air, streamflow, the 5cm soil layer, 30cm soil layer and 50cm soil layer during the monitoring period were: 19.9, 19.2, 20.3, 20.5 and 20.8℃, respectively. The yearly temperature changes were significant for all monitoring items and ranked in the following order: air, the 5 cm
soil layer, 30 cm soil layer, 50 cm soil layer and streamflow. Air temperature had the maximum magnitude of changes within a day for all months, followed by the 5 cm top soil layer. However the maximum magnitudes of daily
changes were less than 0.3℃ for soil layers deeper than 50 cm. The linear regression relationships of air temperature
versus streamflow temperature and air temperature versus the temperature of the 5 cm top soil layer were also established
in this report.
Key Words : Streamflow temperature, top soil temperature, air temperature, Lienhuachih experimental watersheds.
Watershed Management Division, Taiwan Forestry Research Institute, Taipei, Taiwan. R.O.C.
* Corresponding Author. E-mail : shiang@tfri.gov.tw
Received: 2014/05/22
Revised: 2014/07/08
Accepted: 2014/07/29
   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.)