Articles | Volume 16, issue 3
https://doi.org/10.5194/acp-16-1809-2016
https://doi.org/10.5194/acp-16-1809-2016
Research article
 | 
16 Feb 2016
Research article |  | 16 Feb 2016

Impact of an improved WRF urban canopy model on diurnal air temperature simulation over northern Taiwan

Chuan-Yao Lin, Chiung-Jui Su, Hiroyuki Kusaka, Yuko Akimoto, Yang-Fan Sheng, Jr-Chuan Huang, and Huang-Hsiung Hsu

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Cited articles

Arnfield, A. J.: Two decades of urban climate research: A review of turbulence, exchanges of energy and water, and the urban heat island, Int. J. Climatol., 23, 1–26, 2003.
Atkinson, B. W. : Numerical modeling of urban heat island intensity, Bound.-Lay. Meteorol., 109, 285–310, 2003.
Chen, F. and Dudhia, J.: Coupling an advanced land surface hydrology model with the Penn State-NCAR MM5 modeling system. Part I: Model implementation and sensitivity, Mon. Weather Rev., 129, 569–585, 2001.
Chen, F., Kusaka, H., Tewari, M. Bao, J.-W., and Kirakuchi, H.: Utilizing the coupled WRF/LSM/Urban modeling system with detailed urban classification to simulate the urban heat island phenomena over the greater Houston Area, The 5th Conference on Urban Environment, 22–26 August 2004, Vancouver BC, Canada, 2004.
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This study evaluated the impact of urbanization over northern Taiwan using the Weather Research and Forecasting (WRF) Model coupled with the Noah land-surface model and a modified urban canopy model (WRF-UCM2D). WRF-UCM2D performed much better than the original UCM coupled with WRF (WRF-UCM) at non-urban stations with a low urban fraction during nighttime. The result of this study has crucial implications for assessing the impacts of urbanization on air quality and regional climate.
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