长江下游地区不同边界层参数化方案的试验研究

徐慧燕; 朱业; 刘瑞; 沈杭锋; 王东海; 翟国庆

doi:10.3878/j.issn.1006-9895.2012.12021

长江下游地区不同边界层参数化方案的试验研究

doi: 10.3878/j.issn.1006-9895.2012.12021

1.
浙江大学地球科学系,杭州 310027;中国气象科学研究院灾害天气国家重点实验室,北京 100081
2.
浙江大学地球科学系,杭州 310027;浙江省海洋监测预报中心,杭州 310007
3.
浙江大学地球科学系,杭州 310027
4.
浙江大学地球科学系,杭州 310027;浙江省杭州市气象局,杭州 310007
5.
中国气象科学研究院灾害天气国家重点实验室,北京 100081

基金项目: 国家自然科学基金资助项目41175047,国家公益性行业科研专项GYHY201006014、GYHY201006007

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出版历程
- 收稿日期: 2012-02-16
- 修回日期: 2012-06-19

Simulation Experiments with Different Planetary Boundary Layer Schemes in the Lower Reaches of the Yangtze River

1.
Department of Earth Science, Zhejiang University, Hangzhou 310027;State Key Laboratory of Severe Weather, Chinese Academy of Meteorological Sciences, Beijing 100081
2.
Department of Earth Science, Zhejiang University, Hangzhou 310027;Marine Monitoring and Forecasting Center of Zhejiang Province, Hangzhou 310007
3.
Department of Earth Science, Zhejiang University, Hangzhou 310027
4.
Department of Earth Science, Zhejiang University, Hangzhou 310027;Hangzhou Meteorological Bureau, Zhejiang Province, Hangzhou 310007
5.
State Key Laboratory of Severe Weather, Chinese Academy of Meteorological Sciences, Beijing 100081

摘要

摘要: 利用中尺度数值模式WRFV3.1.1中的MYJ、QNSE、YSU、ACM2、MYNN2.5、MYNN3、Boulac七种不同边界层参数化方案,进行了发生在长江下游地区的3例暴雨的模拟试验.重点分析比较了七个不同边界层参数化方案对降水总量分布、次降水区的边界层结构、关键基本气象要素场的模拟能力,并将降水总量和关键基本气象要素场的模拟结果与实测结果进行了统计检验.通过对比,发现QNSE方案的模拟能力相对优于其他边界层参数化方案.
- 边界层参数化方案 /
- WRF模式 /
- 降水 /
- Ts评分
Abstract: By using several planetary boundary layer schemes (Mellor-Yamada-Janjic; quasi-normal scale elimination; Yonsei University; asymmetric convective, version 2; Bougeault-Lacarrere (Boulac); Mellor-Yamada-Nakanishi- Niino, level 2.5; and Mellor-Yamada-Nakanishi-Niino, level 3) in a Weather Research and Forecasting (WRF) numerical model, seven sets of model simulations for three rainstorm cases in the lower reaches of the Yangtze River were performed. This paper thoroughly analyzes and compares the simulation ability of seven planetary boundary layer parameterizations with respect to the distribution of 24-hour total rainfall, boundary layer structure in the rainstorm area, fundamental fields of meteorological elements, and statistical test results for total rainfall. A comparison of the simulations and the observations indicated that the quasi-normal scale elimination planetary boundary layer scheme is superior to the other six.
- Planetary boundary layer parameterizations /
- WRF model /
- Precipitation /
- TS verification

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参考文献(22)

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