Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2019JD031055 |
Using Lightning Flashes to Image Thunderclouds | |
Peterson, Michael | |
2019-09-10 | |
发表期刊 | JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
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ISSN | 2169-897X |
EISSN | 2169-8996 |
出版年 | 2019 |
文章类型 | Article;Early Access |
语种 | 英语 |
国家 | USA |
英文摘要 | The optical energy emitted by lightning flashes interacts with the surrounding cloud medium through scattering and absorption. The optical signals recorded by space-based lightning imagers describe a convolution of lightning flash energetics and radiative transfer effects in the intervening cloud layer. A thundercloud imaging technique is presented that characterizes cloud regions based on how they are illuminated by lightning. This technique models the spatial distribution of optical energy in radiant lightning pulses to determine whether and to what extent each illuminated cloud pixel behaves like a homogeneous planar cloud layer. A gridded product is constructed that differentiates flashes that illuminate convective cells from stratiform flashes with long horizontal channels and anvil flashes whose optical emissions reflect off of nearby cloud surfaces. Producing this imagery with a rolling 15-min window allows us to visualize changes in convection with a rapid (20 s) update cycle. |
英文关键词 | lightning thundercloud scattering remote sensing GOES GLM |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000486893700001 |
WOS关键词 | SATELLITE ; CLOUDS |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/186981 |
专题 | 气候变化 |
作者单位 | Los Alamos Natl Lab, ISR 2, Los Alamos, NM 87545 USA |
推荐引用方式 GB/T 7714 | Peterson, Michael. Using Lightning Flashes to Image Thunderclouds[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2019. |
APA | Peterson, Michael.(2019).Using Lightning Flashes to Image Thunderclouds.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES. |
MLA | Peterson, Michael."Using Lightning Flashes to Image Thunderclouds".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES (2019). |
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