An algorithm of rule-based rain gauge network design in urban areas was proposed in this study. We summarized three general criteria to select the sites of rain gauges, including: (i) installment in open space; (ii) priority consideration of important regions and even distribution; and (iii) keep strong signal and avoid weak interference. Aided by spatial kernel density, the candidate locations were determined through clustering the residential buildings at first. Secondly, the overlay and buffer spatial analyses were carried out to optimize the candidate sites to avoid signal interference. Finally, the quality of site location was evaluated by cross-validation in using observed historical rainfall and ranked by mean square error for final consideration. A study case in Xicheng district, Beijing, China was selected to demonstrate the proposed method. The result showed that it could be well applied in urban areas with the capability of considering complex urban features through defining rules. It thus could provide scientific evidence for decision making in rain gauge site selection.
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Research Article|
March 01 2016
Rule-based rain gauge network design in urban areas aided by spatial kernel density
Changfeng Jing;
Changfeng Jing
aSchool of Geomatics and Urban Spatial Information, Beijing University of Civil Engineering and Architecture, Beijing 100044, China
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Jianjun Yu;
Jianjun Yu
*
bSchool of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798, Singapore
*Corresponding author. E-mail: [email protected]
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Peipei Dai;
Peipei Dai
aSchool of Geomatics and Urban Spatial Information, Beijing University of Civil Engineering and Architecture, Beijing 100044, China
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Haiyang Wei;
Haiyang Wei
aSchool of Geomatics and Urban Spatial Information, Beijing University of Civil Engineering and Architecture, Beijing 100044, China
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Mingyi Du
Mingyi Du
aSchool of Geomatics and Urban Spatial Information, Beijing University of Civil Engineering and Architecture, Beijing 100044, China
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Water Practice and Technology (2016) 11 (1): 166–175.
Citation
Changfeng Jing, Jianjun Yu, Peipei Dai, Haiyang Wei, Mingyi Du; Rule-based rain gauge network design in urban areas aided by spatial kernel density. Water Practice and Technology 1 March 2016; 11 (1): 166–175. doi: https://doi.org/10.2166/wpt.2016.021
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