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DOI | 10.1007/s00382-018-4167-6 |
Spatiotemporal characteristics of heat waves over China in regional climate simulations within the CORDEX-EA project | |
Wang, Pinya1,2,3; Tang, Jianping1,2,3; Sun, Xuguang1,3; Liu, Jianyong4; Juan, Fang1,2 | |
2019 | |
发表期刊 | CLIMATE DYNAMICS |
ISSN | 0930-7575 |
EISSN | 1432-0894 |
出版年 | 2019 |
卷号 | 52页码:799-818 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | Using the Weather Research and Forecasting (WRF) model, this paper analyzes the spatiotemporal features of heat waves in 20-year regional climate simulations over East Asia, and investigates the capability of WRF to reproduce observational heat waves in China. Within the framework of the Coordinated Regional Climate Downscaling Experiment (CORDEX), the WRF model is driven by the ERA-Interim (ERAIN) reanalysis, and five continuous simulations are conducted from 1989 to 2008. Of these, four runs apply the interior spectral nudging (SN) technique with different wavenumbers, nudging variables and nudging coefficients. Model validations show that WRF can reasonably reproduce the spatiotemporal features of heat waves in China. Compared with the experiment without SN, the application of SN is effectie on improving the skill of the model in simulating both the spatial distributions and temporal variations of heat waves of different intensities. The WRF model shows advantages in reproducing the synoptic circulations with SN and therefore yields better representations for heat wave events. Besides, the SN method is able to preserve the variability of large-scale circulations quite well, which in turn adjusts the extreme temperature variability towards the observation. Among the four SN experiments, those with stronger nudging coefficients perform better in modulating both the spatial and temporal features of heat waves. In contrast, smaller nudging coefficients weaken the effects of SN on improving WRF's performances. |
英文关键词 | Heat waves Weather Research and Forecasting (WRF) model Spectral nudging CORDEX East Asia |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000460619200046 |
WOS关键词 | SPECTRAL NUDGING TECHNIQUE ; GEOGRAPHICAL PATTERNS ; SUMMER HEAT ; MODEL ; TEMPERATURE ; ENSEMBLE ; PERFORMANCE |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/35880 |
专题 | 气候变化 |
作者单位 | 1.Nanjing Univ, Sch Atmospher Sci, 163 Xianlin Rd, Nanjing 210023, Jiangsu, Peoples R China; 2.Nanjing Univ, Minist Educ, Key Lab Mesoscale Severe Weather, Nanjing 210023, Jiangsu, Peoples R China; 3.Nanjing Univ, Inst Climate & Global Change Res, CMA NJU Joint Lab Climate Predict Studies, Nanjing 210023, Jiangsu, Peoples R China; 4.Ningbo Meteorol Observ, Ningbo 315012, Zhejiang, Peoples R China |
推荐引用方式 GB/T 7714 | Wang, Pinya,Tang, Jianping,Sun, Xuguang,et al. Spatiotemporal characteristics of heat waves over China in regional climate simulations within the CORDEX-EA project[J]. CLIMATE DYNAMICS,2019,52:799-818. |
APA | Wang, Pinya,Tang, Jianping,Sun, Xuguang,Liu, Jianyong,&Juan, Fang.(2019).Spatiotemporal characteristics of heat waves over China in regional climate simulations within the CORDEX-EA project.CLIMATE DYNAMICS,52,799-818. |
MLA | Wang, Pinya,et al."Spatiotemporal characteristics of heat waves over China in regional climate simulations within the CORDEX-EA project".CLIMATE DYNAMICS 52(2019):799-818. |
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