气候变化研究进展 ›› 2015, Vol. 11 ›› Issue (6): 387-394.doi: 10.3969/j.issn.1673-1719.2015.06.002

• 气候系统变化 • 上一篇    下一篇

中国1961—2012年风速变化区划

史培军1,2,3,张钢锋1,3,4,孔锋1,2,3,叶谦1,2,3   

  1. 1 北京师范大学地表过程与资源生态国家重点实验室,北京100875;
     2 北京师范大学环境演变与自然灾害教育部重点实验室,北京100875;
     3 民政部/教育部减灾与应急管理研究院,北京100875;
     4 兰州大学资源环境学院,兰州 730000

     

  • 收稿日期:2015-10-20 修回日期:2015-09-16 出版日期:2015-11-30 发布日期:2015-11-30
  • 通讯作者: 史培军 E-mail:spj@bnu.edu.cn
  • 基金资助:

    国家自然科学基金创新研究群体项目“地表过程模型与模拟”;国家重大科学研究计划(973)“全球变化与环境风险关系及其适应性范式研究”

Wind Speed Change Regionalization in China in 1961-2012

Shi Peijun1, 2, 3, Zhang Gangfeng1, 3, 4, Kong Feng1, 2, 3, Ye Qian1, 2, 3   

  1. 1 State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China; 
    2 Key Laboratory of Environmental Change and Natural Disaster of Ministry of Education, Beijing Normal University, Beijing 100875, China; 
    3 Academy of Disaster Reduction and Emergency Management, Ministry of Civil Affairs & Ministry of Education, Beijing 100875, China; 
    4 College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
  • Received:2015-10-20 Revised:2015-09-16 Online:2015-11-30 Published:2015-11-30

摘要:

本文使用756个气象站点年值数据,基于最小二乘的线性拟合方法,利用1961—2012年中国年值风速的趋势变化值和波动特征值来定量识别中国风速的区域变化特征,以县级行政单位为区划单元,完成了中国1961—2012年风速变化区划,一级区划根据风速趋势值的变化划分为6个变化趋势带,即东北-华北大幅减小趋势带,华东-华中中幅减小趋势带,东南小幅减小趋势带,西南微幅减小趋势带,西北中幅减小趋势带,青藏高原小幅减小趋势带,二级区划根据风速的波动特征值并结合一级区划的结果,划分为12个波动特征区。

Abstract:

This research uses the mean wind speed observation data in China, adopts linear fitting method. Aims to quantitatively recognize the change of wind speed using wind speed trend and trend of wind speed variability from 1961 to 2012 and regionalize the wind speed change in China on a county-level basis. The findings suggest that level-I regionalization include six zones according to different change rate of wind speed trend value in different regions. Northeast-North China substantial declining zone, East-Central China declining zone, Southeast China slightly declining zone, Southwest China very slightly declining zone, Northwest China declining zone, Qinghai-Tibetan Plateau slightly declining zone. Level-II regionalization divides China into twelve regions based on trend of wind speed variability and the results from level-I regionalization.

Key words:  wind speed change, regionalization, trend, variability

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