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http://dx.doi.org/10.7843/kgs.2018.34.9.19

A Wireless Sensor Network Technique and its Application in Regional Landslide Monitoring  

Jeong, Sang-Seom (Dept. of Civil and Environmental Engrg., Yonsei Univ.)
Hong, Moon-Hyun (Dept. of Civil and Environmental Engrg., Yonsei Univ.)
Kim, Jung-Hwan (Dept. of Civil and Environmental Engrg., Yonsei Univ.)
Publication Information
Journal of the Korean Geotechnical Society / v.34, no.9, 2018 , pp. 19-32 More about this Journal
Abstract
In this study, the applicability and practicality of landslides monitoring by using wireless sensor network (WSN) was analysed. WSN system consists of a sensor node for collecting and transmitting data using IEEE 802.14e standard, a gateway for collecting data and transmitting the data to the monitoring server. In the topology of the sensor network, a highly flexible and reliable mesh type was adopted, and three testbeds were chosen in each location of Seoul metropolitan area. Soil moisture sensors, tensiometers, inclinometers, and a rain gauge were installed at each testbed and sensor node to monitor the landslide. For the estimation of the optimal network topology between sensor nodes, the susceptibility assessment of landslides, forest density and viewshed analysis of terrain were conducted. As a result, the network connection works quite well and measured value of the volumetric water content and matric suction simulates well the general trend of the soil water characteristic curve by the laboratory test. As such, it is noted that WSN system, which is the reliable technique, can be applied to the landslide monitoring.
Keywords
Wireless Sensor Network; Landslide; Monitoring; Network topology;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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