The Infulence of Different Interpolation Method to Objective Analysis on 3-Dimensional Wind Field in Taiwan
Date Issued
2012
Date
2012
Author(s)
Yeh, Fu-Hao
Abstract
The focus of this research is to rely on trajectory photochemical air quality model (TPAQM) as the base modeling analysis to obtain an unbiased prediction on wind distribution from gradual correction according to Barnes modeling. Different genealogical conditions were experimented and modeled.
Three directions of analyses were performed: 1.) investigate different initial conditions. 2.) different scan numbers. 3.) error analyses to obtain unbiased investigation and prediction. The results were compared and fitted to adjust relevant parameters to model potential air flow distribution analyses. Different model scan radiuses were analyzed for unbiased prediction.
The results indicated that under different initial genealogical conditions, wind field figures and characteristics were not much different. Secondly, different numbers of scan analysis indicated that too many repetition at suburb area would result in scattered wind distribution. Thirdly, discarding erroneous prediction, better model prediction fit was obtained. In wind filed distribution analysis, larger scanning radius would impact more largely on NCEP data.
Subjects
Objective analysis
residual analysis
benchmarking
Type
thesis
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