DOI: 10.1002/2015JD024430
论文题名: Global distribution of deep convection reaching tropopause in 1 year GPM observations
作者: Liu N. ; Liu C.
刊名: Journal of Geophysical Research: Atmospheres
ISSN: 2169897X
出版年: 2016
卷: 121, 期: 8 起始页码: 3824
结束页码: 3842
语种: 英语
英文关键词: deep convection
; GPM
; overshooting
; tropopause
英文摘要: To characterize and quantify tropopause-reaching deep convection, 1 year of Global Precipitation Mission (GPM) Ku band radar echoes are surveyed in relation to several reference levels derived from the ERA-Interim reanalysis data set. Consistent with the observations of the Tropical Rainfall Measuring Mission over the tropics, the GPM has detected tropopause-reaching deep convection dominantly over tropical land, especially over Panama and Central Africa. At middle and high latitudes, tropopause-reaching convective storms are mainly found over land in the Northern Hemisphere during the summer. Compared to those in the tropics, convective cores at middle and high latitudes have relatively larger sizes at the tropopause, especially those over central North America. The zonal distributions of the occurrences of 15 dBZ and 20 dBZ radar echoes at the tropopause show two comparable maxima, one in the tropics and the other in northern middle-high latitudes. This implies that the convection penetrating the tropopause at northern middle-high latitudes is as frequent as those over the tropics. It is important to understand their role in the vertical transport of trace gases between the troposphere and the stratosphere. ©2016. American Geophysical Union. All Rights Reserved. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/62900
Appears in Collections: 影响、适应和脆弱性 气候减缓与适应
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作者单位: Department of Physical and Environmental Sciences, Texas AandM University at Corpus Christi, Corpus Christi, TX, United States
Recommended Citation:
Liu N.,Liu C.. Global distribution of deep convection reaching tropopause in 1 year GPM observations[J]. Journal of Geophysical Research: Atmospheres,2016-01-01,121(8)