长江流域资源与环境 >> 2014, Vol. 23 >> Issue (s): 126-.doi: 10.11870/cjlyzyyhj2014Z1018

• 生态环境 • 上一篇    下一篇

铜陵市环境气候指数与气候变暖的联系

祁 文 ,韦 玮 ,邓学良   

  1. (1.安徽省铜陵市气象局,安徽 铜陵 244000; 2.安徽省气象科学研究所,安徽省大气科学与卫星遥感重点实验室,安徽 合肥 230031
  • 出版日期:2014-11-26

CHANGES OF ENVIRONMENTAL CLIMATE INDICES AND THEIR RESPONSE #br# TO CLIMATE WARMING IN TONGLING DURING 1980-2012

QI Wen1 , WEI Wei1,DENG Xueliang2   

  1. (1.Meteorological Bureau of Tongling, Tongling 244100, China;2.Anhui Key Laboratory of Atmospheric Sciences and Satellite Remote Sensing, Hefei 230031, China
  • Online:2014-11-26

摘要:

应用1980~2012年逐日气象观测资料,分析了铜陵市与城市生态环境密切相关的主要气候指数的变化特征及其对区域气候变暖的响应。结果表明:铜陵市近33 a来生物生长季指数、人体舒适日数呈上升趋势。HDD(热度日)指数呈现下降趋势,CDD(冷度日)指数呈现上升趋势,HDD的下降速率明显高于CDD的上升速率。铜陵市霾日数的年际差异明显,近33 a来霾日数呈下降趋势,平均每10 a减少107 d。年平均气温与生长季指数、CDD及热不舒适日数之间存在显著的正相关,而与HDD、冷不舒适日数及霾日数之间为显著的负相关。从总体上看,区域气候变暖有利于铜陵市生态环境的改善,但其负面影响仍然值得关注

Abstract:

Based on the daily land surface meteorological data of Tongling weather station during 1980-2012, some climatic indices concerned with urban environment, such as plants growing season index, human comfort index, degreedays index and hazy days in Tongling are analyzed. In addition, the effect of area climate change on urban environment is also analyzed. Based on the analysis, some results can be drawn. Firstly, growing season length and human comfortable days are increasing, which indicates that the main environmental climatic conditions in Tongling area are becoming more and more fitting for human habitation in recently 33 years. Secondly, the cooling degree days index is in creasing while the heating degree days index and haze days are declining. It indicates that the energy consumption of Tongling area in the future summer will be further increasing, but the energy consumption for warming in winter will be expected to decline substantially. It will be helpful to improve the air quality. Thirdly, the correlation analysis suggests that the plants growing season index, cooling degree days and thermal uncomfortable days are significantly positively correlated with the annual mean temperature; while those of heating degree days, cold uncomfortable days and haze days are negatively correlated with the annual mean temperature. In short, the regional climate warming is helpful to improve the ecological environment of Tongling area

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