Articles | Volume 10, issue 8
https://doi.org/10.5194/gmd-10-2905-2017
https://doi.org/10.5194/gmd-10-2905-2017
Development and technical paper
 | 
01 Aug 2017
Development and technical paper |  | 01 Aug 2017

REDCAPP (v1.0): parameterizing valley inversions in air temperature data downscaled from reanalyses

Bin Cao, Stephan Gruber, and Tingjun Zhang

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Cited articles

Bao, X. and Zhang, F.: Evaluation of NCEP-CFSR, NCEP-NCAR, ERA-Interim, and ERA-40 Reanalysis Datasets against Independent Sounding Observations over the Tibetan Plateau, J. Climate, 26, 206–214, https://doi.org/10.1175/JCLI-D-12-00056.1, 2013.
Bürger, G., Murdock, T. Q., Werner, A. T., Sobie, S. R., and Cannon, A. J.: Downscaling Extremes – An Intercomparison of Multiple Statistical Methods for Present Climate, J. Climate, 25, 4366–4388, https://doi.org/10.1175/JCLI-D-11-00408.1, 2012.
Chen, G., Iwasaki, T., Qin, H., and Sha, W.: Evaluation of the Warm-Season Diurnal Variability over East Asia in Recent Reanalyses JRA-55, ERA-Interim, NCEP CFSR, and NASA MERRA, J. Climate, 27, 5517–5537, https://doi.org/10.1175/JCLI-D-14-00005.1, 2014.
Chen, Y., Yang, K., He, J., Qin, J., Shi, J., Du, J., and He, Q.: Improving land surface temperature modeling for dry land of China, J. Geophys. Res.-Atmos., 116, d20104, https://doi.org/10.1029/2011JD015921, 2011.
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Short summary
To derive the air temperature in mountain enviroments, we propose a new downscaling method with a spatially variable magnitude of surface effects. Our findings suggest that the difference between near-surface air temperature and upper-air temerpature is a good proxy of surface effects. It can be used to improve downscaling results, especially in valleys with strong surface effects and cold air pooling during winter.
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