Online ISSN : 2188-5729
ISSN-L : 2188-5729
Original Article
Analysis of Natural Wind Disturbance Regimes Resulting from Typhoons Using Numerical Airflow Modelling and GIS: A Case Study in Sugi (Cryptomeria japonica) and Hinoki (Chamaecyparis obtusa) Plantation Forests
S. TsuyukiT. NakajimaT. TatsuharaN. Shiraishi
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2011 Volume 10 Pages 87-103


Wind damage to coniferous plantation forests containing sugi (Cryptomeria japonica) and hinoki (Chamaecyparis obtusa) was studied in Japan. Wind conditions determined using an air flow simulation model, historical wind disturbance records and remote sensing measurements were integrated within a geographic information system (GIS). Based on the data set, the relationships between wind disturbances, wind speed and stand height were analyzed. A logistic analysis technique was applied to assess the probability of wind disturbance in stands that remained intact or were damaged as a result of the typhoon. The results indicate that higher wind speeds and greater stand heights increase the probability of wind disturbance in both sugi and hinoki plantation forests. The logistic regression model enabled us to predict the likelihood of wind disturbance at our study site. Our results confirmed that it is possible, using wind condition prediction software, to analyse wind disturbance in sugi and hinoki plantation forests.

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© 2011 FORMATH Research Group
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