长江流域资源与环境 >> 2013, Vol. 21 >> Issue (Z): 70-.

• 生态环境 • 上一篇    下一篇

 1961~2010年华中区域降水变化特征分析

任永建 |高 媛 |肖 莺 |万素琴 |王 苗   

  1. (1 武汉区域气候中心|湖北 武汉 430074;2 湖北省气象局气候变化中心|湖北 武汉 430074)
  • 出版日期:2013-09-20

ANALYSIS OF THE PRECIPITATION CHANGE CHARACTER OVER CENTRAL CHINA FROM 1961 TO 2010

ANALYSIS OF THE PRECIPITATION CHANGE CHARACTER OVER CENTRAL CHINA FROM 1961 TO 2010   

  1. (1.Wuhan Regional Climate Center, Wuhan 430074, China|2.Climate Change Center, Hubei Meteorology Bureau, Wuhan 430074, China
  • Online:2013-09-20

摘要:

收集1961~2010年华中区域239个气象站点,选择通过均一化检验的233个站点作为研究对象,系统分析了近50 a华中区域降水变化特征。结果表明:1961~2010年华中区域年降水量无明显的增减趋势,20世纪60年代降水接近常年,90年代降水偏多,70~80年代、21世纪初降水偏少。降水纬向分布特征比较显著,由南向北逐渐递减,且空间分布不均匀。年降水日数减少趋势显著,减少速率为34 d/10a。1989年以后区域降水量增加明显,2006年以后降水减少,同时存在2 a左右周期振荡;降水日数在1986年以后减少明显。春、秋季降水总体减少,减少速率分别为54、122 mm/10a;夏、冬季降水总体增加,增加速率为159、63 mm/10a。四季降水日数的变化速率分别为-14、02、-21、-01 d/10a

Abstract:

Collected 239 meteorology stations in Central China from 1961 to 2010,the characteristics of the precipitation in Central China were investigated based on 233 stations which passed the homogenization test as analysis object.The results showed that the precipitation trend was almost not obvious,but notable in decadal change.The precipitation in 1960s was close to normal value, higher in 1990s and less from 1970s to 1980s and in early 21st century.The zonal distribution,which was gradually decreasing from southern to northern,was much more significant,yet not uniform in spatial distribution.The decreasing trend of rain days was eminent at 3.4 days per 10 years.The regional rainfalls increased much obviously after 1989 and reduced after 2006,which possessed an oscillation period of 2 years.The rain days reduced significantly after1986.The precipitation trends during spring and autumn were completely reducing,which retained respectively the change rate of -54 and -122 mm per 10 years.Yet the summer and winter rainfall totally increased with the rate of 156 and 63 mm per 10 years.And the change rates of rain days during four seasons were separately -14 ,02,-21 and -01 days per decade

No related articles found!
Viewed
Full text


Abstract

Cited

  Shared   
  Discussed   
[1] 李 娜,许有鹏, 陈 爽. 苏州城市化进程对降雨特征影响分析[J]. 长江流域资源与环境, 2006, 15(3): 335 -339 .
[2] 向 波,纪昌明,蓝霄峰,罗庆松. 地下水非稳定流问题的有限分析五点格式[J]. 长江流域资源与环境, 2007, 16(6): 721 .
[3] 刘传江,朱劲松. 三峡库区土地资源承载力现状与可持续发展对策[J]. 长江流域资源与环境, 2008, 17(4): 522 .
[4] 孙维侠, 赵永存, 黄 标, 廖菁菁, 王志刚, 王洪杰. 长三角典型地区土壤环境中Se的空间变异特征及其与人类健康的关系[J]. 长江流域资源与环境, 2008, 17(1): 113 .
[5] 肖思思, 黄贤金, 彭补拙, 濮励杰, 陈 逸. 经济发达县域耕地土壤重金属污染评价及其影响因素分析[J]. 长江流域资源与环境, 2007, 16(5): 674 .
[6] 陈 逸,黄贤金,彭补拙,濮励杰,张 健 . 经济发达区不同土地利用方式下土壤中镉的含量特征——以江苏省昆山市为例[J]. 长江流域资源与环境, 2007, 16(3): 391 .
[7] 魏显虎|杜耘,蔡述明,薛怀平,刘韬,. 清江流域1995~2000年土壤侵蚀时空变化[J]. 长江流域资源与环境, 2006, 15(Sup1): 120 -124 .
[8] 姚书春,薛 滨,夏威岚. 洪湖历史时期人类活动的湖泊沉积环境响应[J]. 长江流域资源与环境, 2005, 14(4): 475 -480 .
[9] 林建伟,王里奥, 赵建夫,张 军,袁 辉. 三峡库区生活垃圾的重金属污染程度评价[J]. 长江流域资源与环境, 2005, 14(1): 104 -108 .
[10] 时连强,李九发,应 铭,左书华,徐海根. 长江口没冒沙演变过程及其对水库工程的响应[J]. 长江流域资源与环境, 2006, 15(4): 458 -464 .