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投稿时间:2009-04-29 修订日期:2010-06-04
投稿时间:2009-04-29 修订日期:2010-06-04
中文摘要: 利用1961—2004年地面风速资料,分析了黑龙江省近地层风速变化趋势特征,并对比了国家气象站与农垦气象站风速变化的异同,最后探讨了黑龙江省近地层风速对气候变暖、人类活动的响应。结果表明:(1)近44年来,除极少数测站外,黑龙江省大部分地区年和四季风速呈现显著减小趋势;春季平均风速减小最大,为1.74 m·s-1;冬季次之,为1.40 m·s-1;秋季较小,为1.33 m·s-1;夏季最小,为0.99 m·s-1。(2)国家气象站与农垦气象站风速均呈现减小趋势,但农垦气象站减小幅度小于国家气象站,这可能与1978年以来黑龙江省城市化进程加快有关。(3)黑龙江省近地层风速的减小与气候变暖和人类对土地利用方式的改变有一定关系。
中文关键词: 风速, 线性趋势, 土地利用
Abstract:Based on the surface wind speed, and the area of arable land data from 1961 to 2004 in Heilongjiang Province, the spatial distribution and seasonal variation of the characteristics of wind speed variation in Heilongjiang Province are analyzed. The results show that in the past 44 years, over most parts of Heilongjiang Province, the wind speed has been reduced significantly. In Heilongjiang Province the annual mean wind speed is reduced by 1.35 m·s-1. In different seasons, the mean wind speed is decreased differently.The largest decrease of mean wind speed is 1.74 m·s-1 in spring, followed by 1.40 m·s-1 in winter, and then 1.33 m·s-1 in autunm, finally the smallest 0.99 m·s-1 in summer. Wind speeds at national weather stations decrease more than agricultural weather stations in the Sanjiang Plain. These differences in wind speed changes may be caused by different land use patterns. On the other hand, the increasing temperature, artificial large area surface property changes in the atmospheric environment in Heilongjiang Province are the reasons for reduced surface wind speeds.
keywords: wind speed, linear trends, land use
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基金项目:国家科技基础条件平台项目“气象科学数据共享试点”(2005DKA31700-08-04)和中国气象局气象新技术推广项目(CMATG2008M12)共同资助
作者 | 单位 |
邹立尧 | 南京信息工程大学, 南京 210044; 中国气象局培训中心, 北京 100081 |
国世友 | 黑龙江省气象台, 哈尔滨 150030 |
王冀 | 北京市气候中心, 北京 100089 |
韩照宇 | 山西省气象科学研究所, 太原 030002 |
引用文本:
邹立尧,国世友,王冀,韩照宇,2010.1961—2004年黑龙江省近地层风速变化趋势分析[J].气象,36(10):67-71.
ZOU Liyao,GUO Shiyou,WANG Ji,HAN Zhaoyu,2010.Variation Trends of the Surface Wind Speed in Heilongjiang Province from 1961 to 2004[J].Meteor Mon,36(10):67-71.
邹立尧,国世友,王冀,韩照宇,2010.1961—2004年黑龙江省近地层风速变化趋势分析[J].气象,36(10):67-71.
ZOU Liyao,GUO Shiyou,WANG Ji,HAN Zhaoyu,2010.Variation Trends of the Surface Wind Speed in Heilongjiang Province from 1961 to 2004[J].Meteor Mon,36(10):67-71.