Cloud-to-ground lightning activity in Colombia and the influence of topography

被引：28
|
作者：
Aranguren, D. [1 ]
Lopez, J. [1 ]
Inampues, J. [1 ]
Torres, H. [1 ]
Betz, H. [2 ]
机构：
[1] Transversal 57 108-50, Bogota, Colombia
[2] Nowcast GmbH, Albert Rosshaupter Str 43, D-81369 Munich, Germany
来源：
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS | 2017年 / 154卷
关键词：
Ground flash density; Tropical region; Mountainous region; VLF/LF lightning detection system; BRAZIL;
D O I：
10.1016/j.jastp.2016.08.010
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：
Lightning activity on the Colombian mountains, where the altitude varies from 0 to more than 5000 MSL, is studied based on VLF/LF lightning detection data and using a 2012-2013 dataset. The influence of altitude is observed by evaluating cloud-to-ground lightning incidence at different altitude intervals. The relationship between ground flash density and altitude gradient vectors is studied. Results show a clear dependence of the flash density on elevation. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：182 / 189
页数：8
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