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Complex Meteorology over Complex Terrains: Assessment of Topography, Land Use, Grid Resolution, and PBL Scheme Modifications in the Weather Research and Forecasting (WRF) Model.

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Title: Complex Meteorology over Complex Terrains: Assessment of Topography, Land Use, Grid Resolution, and PBL Scheme Modifications in the Weather Research and Forecasting (WRF) Model.
Author: Nahian, Md. Rafsan
Department: School of Engineering
Program: Engineering
Advisor: Aliabadi, Amir A.
Abstract: The performance of the Weather Research and Forecasting (WRF) model is evaluated in predicting the meteorological conditions over complex terrains, such as an urban area and an open-pit mine, by varying topography, land use, grid resolutions, and Planetary Boundary-Layer (PBL) parameterization to arrive at optimum configurations. Accounting for realistic topography, land use, implementation of a lake model, and chosing appropriate horizontal/vertical grid resolutions significantly improved the model predictions against field observations. Yonsei University (YSU) and Large-Eddy Simulation (LES) PBL schemes provided similar performance, while Global Forecasting System (GFS) Forecast datasets exhibited better accuracy than the GFS Reanalysis in predicting most of the meteorological properties. Moreover, WRF showed better agreement with observations in the Summer season compared to the Winter season. Future investigations should consider anthropogenic heat release at the surface and plume dispersion modelling using WRF.
URI: http://hdl.handle.net/10214/16976
Date: 2019-08
Rights: Attribution-NonCommercial-NoDerivatives 4.0 International
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Attribution-NonCommercial-NoDerivatives 4.0 International Except where otherwise noted, this item's license is described as Attribution-NonCommercial-NoDerivatives 4.0 International