Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2020GL089001 |
Extreme Pyroconvective Updrafts During a Megafire | |
B. Rodriguez; N. P. Lareau; D. E. Kingsmill; C. B. Clements | |
2020-09-09 | |
发表期刊 | Geophysical Research Letters |
出版年 | 2020 |
英文摘要 | Airborne cloud radar reveals extreme wildfire updrafts (~60 m s‐1) and downdrafts (~30 m s‐1) rivaling those in supercell thunderstorms. These extreme vertical velocities occur through a 3‐km deep layer and below the base of a developing pyrocumulonimbus (pyroCb) cloud, which extends to the tropopause at 12 km. In‐situ aircraft sampling shows updrafts are linked to large temperature and moisture excesses, but remain subsaturated at flight level (i.e., below cloud base). Parcel estimates using the in‐situ data help explain how these “hot‐moist” updrafts trigger the overlying pyroCb. The extreme vertical motions observed also pose a previously undocumented aviation hazard. |
领域 | 气候变化 |
URL | 查看原文 |
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/293970 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | B. Rodriguez,N. P. Lareau,D. E. Kingsmill,et al. Extreme Pyroconvective Updrafts During a Megafire[J]. Geophysical Research Letters,2020. |
APA | B. Rodriguez,N. P. Lareau,D. E. Kingsmill,&C. B. Clements.(2020).Extreme Pyroconvective Updrafts During a Megafire.Geophysical Research Letters. |
MLA | B. Rodriguez,et al."Extreme Pyroconvective Updrafts During a Megafire".Geophysical Research Letters (2020). |
条目包含的文件 | 条目无相关文件。 |
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