DOI: 10.1016/j.atmosres.2018.05.028
Scopus记录号: 2-s2.0-85048493905
论文题名: Increasing extent and intensity of thunderstorms observed over the Congo Basin from 1982 to 2016
作者: Raghavendra A. ; Zhou L. ; Jiang Y. ; Hua W.
刊名: Atmospheric Research
ISSN: 1698095
出版年: 2018
卷: 213 起始页码: 17
结束页码: 26
语种: 英语
英文关键词: Africa
; And tropical convection/thunderstorms
; Climate change
; Congo rainforest
; Inter-tropical convergence zone
; Satellite IR brightness temperature
Scopus关键词: Atmospheric humidity
; Climate change
; Luminance
; Satellites
; Temperature
; Tropics
; Africa
; Brightness temperatures
; Congo rainforest
; Intertropical convergence zone
; Tropical convection
; Thunderstorms
; atmospheric convection
; brightness temperature
; climate change
; intertropical convergence zone
; rainforest
; satellite data
; thunderstorm
; Congo Basin
英文摘要: Recent studies found a long-term drought and resulting declines in vegetation greenness and canopy water content over the Congo Basin, the second largest rainforest in the world after the Amazon. Since most precipitation in tropical latitudes stems from convection, this paper analyzed 35 years of high-resolution (8 km spatial resolution and 3 h temporal resolution) satellite data to document the long-term trends in the number, size and intensity of thunderstorms activity over the Congo Basin during April, May, and June (AMJ) for the period 1982–2016. Changes in the magnitude and area of cold cloud top brightness temperatures (Tb) at different thresholds were used as a proxy to quantify the number and size of individual thunderstorms at different intensities. We found that the areal extent and intensity of thunderstorms increased over the past 35 years, particularly over Northern Congo Basin, and these changes are consistent with other satellite datasets. Combined with a reanalysis dataset, our work suggests that thunderstorms over the Congo Basin are becoming taller and wider, and likely resulting in a moister (drier) upper (lower) troposphere. © 2018 Elsevier B.V. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/108793
Appears in Collections: 影响、适应和脆弱性 气候变化事实与影响
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作者单位: Department of Atmospheric and Environmental Sciences, University at Albany, State University of New York, Albany, NY, United States
Recommended Citation:
Raghavendra A.,Zhou L.,Jiang Y.,et al. Increasing extent and intensity of thunderstorms observed over the Congo Basin from 1982 to 2016[J]. Atmospheric Research,2018-01-01,213