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http://dx.doi.org/10.12652/Ksce.2018.38.6.0783

Comparison and Analysis of Observation Data of Rainfall Sensor for Vehicle and Rainfall Station  

Lee, Chung Dae (Korea Institute of Hydrological Survey)
Lee, Byung Hyun (Kangwon National University)
Cho, Hyeong Je (Korea Institute of Hydrological Survey)
Kim, Byung Sik (Kangwon National University)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.38, no.6, 2018 , pp. 783-791 More about this Journal
Abstract
The biased estimation of low density rainfall network and radar rainfall has limited application to extreme rainfall in a small area. To improve this, more rainfall information needs to be produced. In this study, we analyzed the applicability of the vehicle rainfall sensor developed and used recently. The developed rainfall sensor was attached to the vehicle to observe the rainfall according to the movement of the vehicle. The analytical method used time series and average rainfall values for observations of rainfall sensors and nearby rainfall stations. The results show that the trend of observed values according to rainfall events shows a certain pattern. It is analyzed that it is caused by various causes such as the difference between the observation position of the rainfall sensor and the nearby rainfall station, the moving speed of the vehicle, and the rainfall observation method. This result shows the possibility of rainfall observation using a rainfall sensor for a vehicle, and it is possible to observe rainfall more precisely through experiments and improvement of rainfall sensors in various conditions in the future.
Keywords
Vehicle rain sensor; Rainfall station; Time series; Average rainfall value;
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Times Cited By KSCI : 2  (Citation Analysis)
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