Acta Scientiarum Naturalium Universitatis Pekinensis ›› 2017, Vol. 53 ›› Issue (4): 607-616.DOI: 10.13209/j.0479-8023.2017.011
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Jipei LIN1,2, Qinghong ZHANG1
Received:2016-03-25
Revised:2016-06-30
Online:2017-07-13
Published:2017-07-20
基金资助:Jipei LIN, Qinghong ZHANG. Application of Dynamic Downscaling Method for the Large Eddy Simulation in a Radiation Fog Case[J]. Acta Scientiarum Naturalium Universitatis Pekinensis, 2017, 53(4): 607-616.
林继配, 张庆红. 动力降尺度方法在辐射雾大涡模拟中的应用[J]. 北京大学学报自然科学版, 2017, 53(4): 607-616.
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URL: https://xbna.pku.edu.cn/EN/10.13209/j.0479-8023.2017.011
Fig. 1 Distribution of freeway and meteorology observation stations in D03
Fig. 2 Configurations of the nested model domains
| 实验名称 | 参数名称 | 参数设置 | |||||
|---|---|---|---|---|---|---|---|
| D01 | D02 | D03 | D04 | D05 | |||
| PBL3.3km(3p) | 分辨率 | 30 km | 10 km | 3.3 km | - | - | |
| 水平格点 | 100×115 | 202×226 | 301×301 | - | - | ||
| 边界层方案 | QNSE | QNSE | QNSE | - | - | ||
| feedback | - | 1 | 1 | - | - | ||
| PBL1.1km(4p) | 分辨率 | 30 km | 10 km | 3.3 km | 1.1 km | - | |
| 水平格点 | 100×115 | 202×226 | 301×301 | 412×412 | - | ||
| 边界层方案 | QNSE | QNSE | QNSE | QNSE | - | ||
| feedback | - | 1 | 1 | 1 | - | ||
| LES1.1km(4l) | 分辨率 | 30 km | 10 km | 3.3 km | 1.1 km | - | |
| 水平格点 | 100×115 | 202×226 | 301×301 | 412×412 | - | ||
| 边界层方案 | QNSE | QNSE | QNSE | - | - | ||
| feedback | - | 1 | 1 | 1 | - | ||
| PBL222m(5p) | 分辨率 | 30 km | 10 km | 3.3 km | 1.1 km | 222 m | |
| 水平格点 | 100×115 | 202×226 | 301×301 | 412×412 | 1201×1201 | ||
| 边界层方案 | QNSE | QNSE | QNSE | QNSE | QNSE | ||
| feedback | - | 1 | 1 | 1 | 1 | ||
| LES222m(5l) | 分辨率 | 30 km | 10 km | 3.3 km | 1.1 km | 222 m | |
| 水平格点 | 100×115 | 202×226 | 301×301 | 412×412 | 1201×1201 | ||
| 边界层方案 | QNSE | QNSE | QNSE | QNSE | 关闭 | ||
| feedback | - | 1 | 1 | 1 | 1 | ||
Table 1 Configuration of resolution, horizontal grid points and boundary layer schemes of different experiments
| 实验名称 | 参数名称 | 参数设置 | |||||
|---|---|---|---|---|---|---|---|
| D01 | D02 | D03 | D04 | D05 | |||
| PBL3.3km(3p) | 分辨率 | 30 km | 10 km | 3.3 km | - | - | |
| 水平格点 | 100×115 | 202×226 | 301×301 | - | - | ||
| 边界层方案 | QNSE | QNSE | QNSE | - | - | ||
| feedback | - | 1 | 1 | - | - | ||
| PBL1.1km(4p) | 分辨率 | 30 km | 10 km | 3.3 km | 1.1 km | - | |
| 水平格点 | 100×115 | 202×226 | 301×301 | 412×412 | - | ||
| 边界层方案 | QNSE | QNSE | QNSE | QNSE | - | ||
| feedback | - | 1 | 1 | 1 | - | ||
| LES1.1km(4l) | 分辨率 | 30 km | 10 km | 3.3 km | 1.1 km | - | |
| 水平格点 | 100×115 | 202×226 | 301×301 | 412×412 | - | ||
| 边界层方案 | QNSE | QNSE | QNSE | - | - | ||
| feedback | - | 1 | 1 | 1 | - | ||
| PBL222m(5p) | 分辨率 | 30 km | 10 km | 3.3 km | 1.1 km | 222 m | |
| 水平格点 | 100×115 | 202×226 | 301×301 | 412×412 | 1201×1201 | ||
| 边界层方案 | QNSE | QNSE | QNSE | QNSE | QNSE | ||
| feedback | - | 1 | 1 | 1 | 1 | ||
| LES222m(5l) | 分辨率 | 30 km | 10 km | 3.3 km | 1.1 km | 222 m | |
| 水平格点 | 100×115 | 202×226 | 301×301 | 412×412 | 1201×1201 | ||
| 边界层方案 | QNSE | QNSE | QNSE | QNSE | 关闭 | ||
| feedback | - | 1 | 1 | 1 | 1 | ||
Fig. 3 Comparison of observation and different PBL simulations in D03
Fig. 4 ETS and Bias of different experiments in D03
Fig. 5 Comparison of observation and different LES simulations in D05
Fig. 6 Computational time of different experiments
Fig. 7 Comparison of observation and different ndown simulations in D05
Fig. 8 ETS and Bias of different LES simulations and ndown simulations in D05
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