globalchange  > 气候变化事实与影响
Scopus记录号: 2-s2.0-85044594841
论文题名:
Correcting systematic biases across multiple atmospheric variables in the frequency domain
作者: Nguyen H.; Mehrotra R.; Sharma A.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2019
卷: 52, 期:2019-01-02
起始页码: 1283
结束页码: 1298
语种: 英语
英文关键词: Bias correction ; Downscaling ; Frequency bias correction ; Multivariate bias correction ; Multivariate frequency bias correction
英文摘要: A procedure for correcting systematic biases across multiple variables is presented. This procedure operates in the frequency domain, using the cross-spectrum across variables to correct bias across each frequency band. The proposed approach is termed multivariate frequency bias correction or MFBC. The approach is illustrated using global climate model (GCM) simulations of multiple atmospheric variables, with variables selected based on recommended usage in downscaling applications. Results indicate clear benefits of using MFBC in representing both intra- and inter-variable dependence in corrected simulations. This has important implications in applications which require multiple atmospheric variables, and a need to correctly simulate both inter- and intra-variable dependence attributes. MFBC offers a mean to correct raw GCM atmospheric variables prior to downscaling or correct dynamically or statistically downscaled simulations prior to derived simulations of other variables of interest. Use of MFBC can have significant implications on derived hydrologic simulations, such as in sizing of storage reservoirs, or devising water sharing plans for the future. © 2018, Springer-Verlag GmbH Germany, part of Springer Nature.
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/122444
Appears in Collections:气候变化事实与影响

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作者单位: Water Research Centre, School of Civil and Environmental Engineering, The University of New South Wales, Sydney, NSW 2052, Australia

Recommended Citation:
Nguyen H.,Mehrotra R.,Sharma A.. Correcting systematic biases across multiple atmospheric variables in the frequency domain[J]. Climate Dynamics,2019-01-01,52(2019-01-02)
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