长江流域资源与环境 >> 2012, Vol. 21 >> Issue (01): 84-.

• 自然资源 • 上一篇    下一篇

MM5与CALMET对北京地区风能资源的初步模拟

杜吴鹏, 房小怡, 轩春怡,郭文利, 潘莉卿   

  1. (北京市气象局气候中心|北京 100089)
  • 出版日期:2012-01-20

PRELIMINARY SIMULATION RESEARCH OF WIND ENERGY RESOURCES IN BEIJING BY USING MM5 AND CALMET

DU Wupeng, FANG Xiaoyi, XUAN Chunyi, GUO Wenli, PAN Liqing   

  1. (Beijing Municipal Climate Centre, Beijing Meteorological Service, Beijing 100089, China)
  • Online:2012-01-20

摘要: 利用MM5与CALMET模拟了北京地区10、30、50和70 m高度的风速和风功率密度分布,结果表明:各高度层风速与风功率密度的地域分布具有一致性,模拟的风速最大区位于门头沟西北部,而昌平西部、房山北部及延庆西部的风速次之,风速最小区位于顺义和东部城区;风功率密度的模拟显示京西地区和西北部地区的风资源较为丰富,北京东部、东南部和东北部及市区周边的风资源相对较小,开发潜力低。利用3座测风塔和3个气象站风速观测数据对模拟结果进行了初步检验,表明MM5与CALMET基本能模拟出风速的月变化和日变化特征,模拟和观测具有较好相关性,但模式存在对黄草梁和北梁地区模拟结果偏高、对涧沟地区模拟结果偏低的系统性误差,这可能与模拟区域地形复杂及模式自身分辨率不够等有关。

Abstract: Using MM5 and CALMET the wind speed and wind power density in the height of 10,30,50 and 70 m in Beijing regions were simulated.Results showed that:geographical distribution of wind speed and wind power density in each height level was consistent,wind speed in northwestern Mentougou was the greatest, western Changping, northern Fangshan and western Yanqing were followed,and the least wind speed located in Shunyi and eastern urban areas.The simulation results of wind power density revealed that the wind energy resource was more abundant in the western and northern Beijing,while which in eastern,southeastern and northeastern regions,as well as sounding urban areas,was relatively indigent,and the exploitation potential was lower in there.Furthermore,validating the simulation results by using the observational data of three wind towers and three meteorological stations,showed that MM5 and CALMET could simulate the monthly and daily variation of wind speed basically,and it had a better correlation between the simulation and observation,but it had a bit systematic errors.Simulation values were larger in Huangcaoliang and Beiliang regions,while they were smaller in Jiangou region,this might be affected by complex terrain and limitation of model resolution.

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