Articles | Volume 18, issue 10
Research article
25 May 2018
Research article |  | 25 May 2018

The impact of atmospheric stability and wind shear on vertical cloud overlap over the Tibetan Plateau

Jiming Li, Qiaoyi Lv, Bida Jian, Min Zhang, Chuanfeng Zhao, Qiang Fu, Kazuaki Kawamoto, and Hua Zhang

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Cited articles

Barker, H. W.: Overlap of fractional cloud for radiation calculations in GCMs: A global analysis using CloudSat and CALIPSO data, J. Geophys. Res., 113, 762–770, 2008. 
Barker, H. W. and Fu, Q.: Assessment and optimization of the Gamma-weighted two-stream approximation, J. Atmos. Sci., 57, 1181–1188, 2000. 
Barker, H. W., Stephens, G. L., and Fu, Q.: The sensitivity of domain-averaged solar fluxes to assumptions about cloud geometry, Q. J. Roy. Meteor. Soc., 125, 2127–2152, 1999. 
Chang, F. L. and Li, Z.: A New Method for Detection of Cirrus Overlapping Water Clouds and Determination of Their Optical Properties, J. Atmos. Sci., 62, 3993–4009, 2005a. 
Chang, F. L. and Li, Z.: A near global climatology of single-layer and overlapped clouds and their optical properties retrieved from TERRA/MODIS data using a new algorithm, J. Climate, 18, 4752–4771, 2005b. 
Short summary
The accurate representation of cloud vertical overlap in atmospheric models is very important for predicting the total cloud cover and calculating the radiative budget. We propose a valid scheme for quantifying the degree of overlap over the Tibetan Plateau (TP). The new scheme parameterizes decorrelation length scale L as a function of wind shear and atmospheric stability and improves the simulation of total cloud cover over TP when the separations between cloud layers are greater than 1 km.
Final-revised paper