长江流域资源与环境 >> 2012, Vol. 21 >> Issue (Z2): 55-.

• 自然资源 • 上一篇    下一篇

若尔盖近55年热量资源分析

肖国杰 |蒋 瑛 |张红玲   

  1. (1.成都信息工程学院大气科学学院|高原大气与环境四川省重点实验室|四川 成都 610225;2. 96215部队72分队|广西 柳州 545616;3.黑龙江省气候中心|黑龙江 哈尔滨 150030
  • 出版日期:2012-12-19

ANALYSIS OF THERMAL RESOURCE IN ZOIGE DURING THE LAST 55 YEARS

XIAO Guojie1|JIANG Ying1,2|ZHANG Hongling3   

  1. (1. School of Atmospheric Sciences, Chengdu University of Information Technology, Plateau Atmosphere and Environment Key Laboratory of Sichuan Province, Chengdu 610225, China|2. 96215 Troops 72 Detachments, Liuzhou 545616, China|3. Climate Center of Heilongjiang Province, Haerbin 150030, China)〖WT〗〖JZ)〗〖HJ〗
  • Online:2012-12-19

摘要:

利用1957~2011 年若尔盖气象观测站的逐日气温资料,分析了该地区日平均气温稳定通过0℃的初日、终日、持续日数、活动积温的年际变化, 对活动积温进行突变检验。研究表明:若尔盖≥0℃的初日提前的趋势并不明显;终日呈显著延后趋势;持续日数呈明显增加趋势。活动积温变化呈十分显著的增加趋势,1997年为积温增加的突变年,1998~2011年是热量和持续日数增加幅度最大的时期。1998~2011年若尔盖≥0℃的各不同保证率对应的持续日数均大于1957~1997年对应的持续日数,即初日提前,终日推迟,活动积温也明显增加

Abstract:

By using the observation data from meteorological stations in Zoige from 1957 to 2011, the changes of the initial date, final date, continuous days and the accumulated temperature above 0 ℃ in different years were analyzed. The accumulated temperature mutation test was analyzed. It was found that the initial date of the accumulated temperature above 0℃ was not obviously earlier, it’s final date was obviously later and it’s continuous days showed increasing trend. There was a very obvious ascending trend for the variation of annual accumulated temperature above 0℃ in Zoige from 1957 to 2011. In 1997 the annual accumulated temperature had abrupt change. The ascending trends of annual accumulated temperature above 0℃ and continuous days were most significant form1998 to 2011. Under the each accumulated frequency, continuous days above 0℃ from 1998 to 2011 were higher than that from 1957 to1997, that was, the initial date was advanced and the final date was postponed, and the accumulated temperature above 0℃ from 1998 to 2011 was higher than that from 1957 to1997.〖HJ1〗〖HJ〗

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