Articles | Volume 20, issue 2
https://doi.org/10.5194/hess-20-685-2016
https://doi.org/10.5194/hess-20-685-2016
Technical note
 | 
12 Feb 2016
Technical note |  | 12 Feb 2016

Technical Note: The impact of spatial scale in bias correction of climate model output for hydrologic impact studies

E. P. Maurer, D. L. Ficklin, and W. Wang

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Cited articles

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Bárdossy, A. and Pegram, G.: Multiscale spatial recorrelation of RCM precipitation to produce unbiased climate change scenarios over large areas and small, Water Resour. Res., 48, W09502, https://doi.org/10.1029/2011wr011524, 2012.
Barnett, T. P., Pierce, D. W., Hidalgo, H. G., Bonfils, C., Santer, B. D., Das, T., Bala, G., Wood, A. W., Nozawa, T., Mirin, A. A., Cayan, D. R., and Dettinger, M. D.: Human-Induced Changes in the Hydrology of the Western United States, Science, 319, 1080–1083, https://doi.org/10.1126/science.1152538, 2008.
Das, T., Maurer, E. P., Pierce, D. W., Dettinger, M. D., and Cayan, D. R.: Increases in flood magnitudes in California under warming climates, J. Hydrol., 501, 101–110, https://doi.org/10.1016/j.jhydrol.2013.07.042, 2013.
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Short summary
To translate climate model output from its native coarse scale to a finer scale more representative of that at which societal impacts are experienced, a common method applied is statistical downscaling. A component of many statistical downscaling techniques is quantile mapping (QM). QM can be applied at different spatial scales, and here we study how skill varies with spatial scale. We find the highest skill is generally obtained when applying QM at approximately a 50 km spatial scale.
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