Global lightning activity and the hiatus in global warming

被引:28
作者
Williams, Earle [1 ]
Guha, Anirban [2 ]
Boldi, Robert [3 ]
Christian, Hugh [4 ]
Buechler, Dennis [4 ]
机构
[1] MIT, Dept Civil & Environm Engn, Parsons Lab, 77 Massachusetts Ave, Cambridge, MA 02139 USA
[2] Tripura Univ, Dept Phys, Agartala, India
[3] Zayed Univ, Dept Environm Sci, Dubai, U Arab Emirates
[4] Univ Alabama, Huntsville, AL 35899 USA
关键词
CLIMATE; TEMPERATURE; SATELLITE; VARIABILITY; PERFORMANCE; FREQUENCY; AEROSOLS; CAPE;
D O I
10.1016/j.jastp.2019.03.011
中图分类号
P3 [地球物理学]; P59 [地球化学];
学科分类号
0708 ; 070902 ;
摘要
Multiple records of global temperature contain periods of decadal length with flat or declining temperature trend, often termed a 'hiatus'. Towards assessing the physical reality of two such periods (1940-1972 and 1998-2014), lightning data are examined. Lightning activity is of particular interest because on many different time scales it has been shown to be non-linearly dependent on temperature. During the earlier hiatus, declining trends in regional thunder days have been documented. During the more recent hiatus, lightning observations from the Lightning Imaging Sensor in space show no trend in flash rate. Surface-based, radiosonde-based and satellite-based estimates of global temperature have all been examined to support the veracity of the hiatus in global warming over the time interval of the satellite-based lightning record. Future measurements are needed to capture the total global lightning activity on a continuous basis.
引用
收藏
页码:27 / 34
页数:8
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