Temperature trends of Chennai City, India

被引:19
作者
Jeganathan, Anushiya [1 ]
Andimuthu, Ramachandran [1 ]
机构
[1] Anna Univ, Ctr Climate Change & Adaptat Res, Madras 600025, Tamil Nadu, India
关键词
20TH-CENTURY;
D O I
10.1007/s00704-012-0646-6
中图分类号
P4 [大气科学(气象学)];
学科分类号
0706 ; 070601 ;
摘要
Chennai is the fourth largest metropolitan city in India, and it is one of India's chief industrial and economic growth centers. The temperature change in Chennai is studied in this research by analyzing the mean maximum temperature (MMaxT), mean minimum temperature (MMinT), and mean annual temperature (MAT) from 1951 to 2010. Data are analyzed in three parts by running linear regression and by taking anomalies of all time periods: (a) the whole period from 1951 to 2010; (b) phase 1, 1951-1980; and (c) phase 2, 1981-2010. The trends have been evaluated by Student's t statistics and supported by Mann Kendall rank statistics. The observed change in temperature is positive, which has been clear increasing trends in MMaxT, MMinT, and MAT. MAT has increased 1.3A degrees C since the last 60 years. MMaxT has increased up to 1.6A degrees C, in which the second phase accounts for 75 % of the total change during the last 60 years. MMinT over Chennai has increased 1.0A degrees C. There is a high rise in temperature during winter season.
引用
收藏
页码:417 / 425
页数:9
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