Articles | Volume 14, issue 5
https://doi.org/10.5194/gmd-14-2827-2021
https://doi.org/10.5194/gmd-14-2827-2021
Model evaluation paper
 | 
20 May 2021
Model evaluation paper |  | 20 May 2021

Development and evaluation of spectral nudging strategy for the simulation of summer precipitation over the Tibetan Plateau using WRF (v4.0)

Ziyu Huang, Lei Zhong, Yaoming Ma, and Yunfei Fu

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Cited articles

Alexandru, A., de Elia, R., Laprise, R., Separovic, L., and Biner, S.: Sensitivity Study of Regional Climate Model Simulations to Large-Scale Nudging Parameters, Mon. Weather Rev., 137, 1666–1686, https://doi.org/10.1175/2008mwr2620.1, 2009. 
Bhatt, B. C., Sobolowski, S., and King, M. P.: Assessment of downscaled current and future projections of diurnal rainfall patterns for the Himalaya, J. Geophys. Res.-Atmos., 119, 12533–12545, https://doi.org/10.1002/2014jd022134, 2014. 
Bohner, J. and Lehmkuhl, F.: Environmental change modelling for Central and High Asia: Pleistocene, present and future scenarios, Boreas, 34, 220–231, https://doi.org/10.1080/03009480510012917, 2005. 
Bowden, J. H., Otte, T. L., Nolte, C. G., and Otte, M. J.: Examining Interior Grid Nudging Techniques Using Two-Way Nesting in the WRF Model for Regional Climate Modeling, J. Climate, 25, 2805–2823, https://doi.org/10.1175/Jcli-D-11-00167.1, 2012. 
Bowden, J. H., Nolte, C. G., and Otte, T. L.: Simulating the impact of the large-scale circulation on the 2-m temperature and precipitation climatology, Clim. Dynam., 40, 1903–1920, https://doi.org/10.1007/s00382-012-1440-y, 2013. 
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Short summary
Spectral nudging is an effective dynamical downscaling method used to improve precipitation simulations of regional climate models (RCMs). However, the biases of the driving fields over the Tibetan Plateau (TP) would possibly introduce extra biases when spectral nudging is applied. The results show that the precipitation simulations were significantly improved when limiting the application of spectral nudging toward the potential temperature and water vapor mixing ratio over the TP.