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DOI | 10.3724/j.1006-8775.2023.031 |
Evaluation of Performance of Polar WRF Model in Simulating Precipitation over Qinghai-Tibet Plateau | |
Xue, Jian-jun; Xiao, Zi-niu | |
发表日期 | 2023 |
ISSN | 1006-8775 |
起始页码 | 410 |
结束页码 | 430 |
卷号 | 29期号:4 |
英文摘要 | Considering the complex topographic forcing and large cryosphere concentration, the present study utilized the polar-optimized WRF model (Polar WRF) to conduct downscaling simulations over the Qinghai-Tibet Plateau (TP) and its surrounding regions. Multi-group experiments with the 10 km horizontal resolution are used to evaluate the modeling of precipitation. Firstly, on the basis of the model ground surface properties upgrade and the optimized Noah-MP, the better performing configuration suite for modeling precipitation is comprehensively examined. Various model parameters such as nudging options, five cumulus parameterization schemes, two planetary boundary layer schemes, and six microphysics schemes are investigated to further refine the Polar WRF configuration. Moreover, the precipitation simulation for a full calendar year is compared with multiple reanalyses and observations. The simulations demonstrate that the Polar WRF model successfully captures the general features of precipitation over this region and is sensitive to model parameters. Based on the results, it is recommended to use grid nudging with q intensity coefficient of 0.0002, the multi-scale kainfritsch cumulus parameterization, the Yonsei University boundary layer scheme, and the Morrison 2-mom microphysics with reduced default droplet concentration value of 100 cm-3. Overall, the model performance is better than the ERA interim and TRMM 3b42. It is comparable to, and in some cases slightly better than, the CRA-Land, especially in the prediction for the western part of the plateau where in situ observations are limited, and the cryosphere-atmosphere interaction is more pronounced. |
关键词 | Polar WRFprecipitationQinghai-Tibet Plateaudownscaling simulationsparameter optimization |
英文关键词 | ATMOSPHERIC HEAT-SOURCE; WEATHER RESEARCH; PART I; CONVECTIVE PARAMETERIZATION; CUMULUS PARAMETERIZATION; MICROPHYSICS SCHEME; CLIMATE-CHANGE; IMPACTS; RAINFALL; WESTERN |
WOS研究方向 | Meteorology & Atmospheric Sciences |
WOS记录号 | WOS:001123241900001 |
来源期刊 | JOURNAL OF TROPICAL METEOROLOGY
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文献类型 | 期刊论文 |
条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/282738 |
作者单位 | Chinese Academy of Sciences; Institute of Atmospheric Physics, CAS |
推荐引用方式 GB/T 7714 | Xue, Jian-jun,Xiao, Zi-niu. Evaluation of Performance of Polar WRF Model in Simulating Precipitation over Qinghai-Tibet Plateau[J],2023,29(4). |
APA | Xue, Jian-jun,&Xiao, Zi-niu.(2023).Evaluation of Performance of Polar WRF Model in Simulating Precipitation over Qinghai-Tibet Plateau.JOURNAL OF TROPICAL METEOROLOGY,29(4). |
MLA | Xue, Jian-jun,et al."Evaluation of Performance of Polar WRF Model in Simulating Precipitation over Qinghai-Tibet Plateau".JOURNAL OF TROPICAL METEOROLOGY 29.4(2023). |
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