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巴基斯坦瓜达尔港风能资源的历史变化趋势及预测
Alternative TitleClimatic Long Term Trend and Prediction of the Wind Energy Resource in the Gwadar Port
郑崇伟1,2,3; 高悦4; 陈璇1
2017-07
Source Publication北京大学学报:自然科学版
ISSN0479-8023
Volume53Issue:4Pages:617-626
Abstract利用欧洲中期天气预报中心的ERA-Interim海表10m风场资料,计算巴基斯坦瓜达尔港的风能资源近36年(1979—2014年)期间的历史变化趋势,并利用线性回归和BP神经网络两种方法,对该港的风能资源进行长期年度预测,得到以下结果。1)瓜达尔港夏季的风能资源比冬季丰富,且夏季的稳定性明显好于冬季。2)近36年期间,风能密度、有效风速频率和100W/m2以上能级频率分别以?0.78W/(m2·a),?0.21%/a和?0.22%/a的速度逐年显著递减,且该趋势主要体现在夏季,冬季无显著变化趋势;风能资源的稳定性(变异系数、月变化指数和季节变化指数)无显著变化趋势。3)从预测值来看,瓜达尔港的风能资源在2015年与多年平均状态持平,2016年则趋于更丰富;2015—2016年,风能资源的稳定性比多年平均状态略差。研究结果可以为“21世纪海上丝绸之路”建设以及中国海域的岛礁和港口建设提供依据和参考。
Other AbstractBased on the36-year(1979-2014)ERA-Interim10m sea surface wind data from European Centre for Medium-Range Weather Forecasts(ECMWF),the climatic long term trend of the wind energy resource of the Gwadar Port of Pakistan was analyzed.Using two linear regression and artificial neural network(ANN)techniques,the wind energy resource in the long term was predicted.The results show that wind energy in summer is richer than that in winter.The stability in summer is better than that in winter.For the past36years,the wind power density,occurrence of effective wind speed and energy level occurrence have significant annual decreasing trends,of?0.78W/(m2·a),?0.21%/a,?0.22%/a separately.These trends mainly exhibit in summer,while no significant variation in winter.The stability(coefficient of variation,monthly variability index and seasonal variability index)does not have a significant long term trend for the past36years.From the prediction value,the wind energy resource in2015is similar to the multi-year average value,while the wind energy resource in2016is richer than the multi-year average value.For the year2015-2016,the prediction wind energy will be more unstable than the multi-year average status.The results can provide scientific reference for the21st Maritime Silk Road construction,development of remote islands and ports in the China seas.
Keyword21世纪海上丝调之路 瓜达尔港 风能资源 历史变化趋势 预测 21st Maritime Silk Road Gwadar Port wind energy resource climatic long term trend prediction
DOI10.13209/j.0479-8023.2017.012
Language中文
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/16533
Collection中国科学院广州能源研究所
Corresponding Author郑崇伟
Affiliation1.解放军理工大学气象海洋学院,南京211101;
2.中国科学院可再生能源重点实验室,广州510640;
3.海军大连舰艇学院航海系,大连116018;
4.中国海洋报社,北京100860
Recommended Citation
GB/T 7714
郑崇伟,高悦,陈璇. 巴基斯坦瓜达尔港风能资源的历史变化趋势及预测[J]. 北京大学学报:自然科学版,2017,53(4):617-626.
APA 郑崇伟,高悦,&陈璇.(2017).巴基斯坦瓜达尔港风能资源的历史变化趋势及预测.北京大学学报:自然科学版,53(4),617-626.
MLA 郑崇伟,et al."巴基斯坦瓜达尔港风能资源的历史变化趋势及预测".北京大学学报:自然科学版 53.4(2017):617-626.
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