气候变化领域集成服务门户(CCPortal): Properties of Mesoscale Convective Systems Throughout Their Lifetimes Using IMERG, GPM, WWLLN, and a Simplified Tracking Algorithm

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DOI	10.1029/2021JD035264
	Properties of Mesoscale Convective Systems Throughout Their Lifetimes Using IMERG, GPM, WWLLN, and a Simplified Tracking Algorithm
	Hayden L.; Liu C.; Liu N.
发表日期	2021
ISSN	2169-897X
卷号	126 期号:20
英文摘要	Mesoscale convective systems (MCSs) occur frequently over the tropics and mid-latitudes and have a large impact on the local precipitation amounts as well as large-scale circulation through their modulation of the vertical diabatic heating profile. To fully understand and quantify these effects, MCSs must be studied throughout their lifetimes at both mid- and tropical latitudes, over both land and ocean. This can be accomplished by tracking the storm using a global scale data set of precipitation and using this information to composite collocated active sensor measurements to produce a detailed analysis of storm properties along the lifetime of the MCS. To do this, we utilize precipitation features (PFs) produced using observations from the Global Precipitation Measurement (GPM) mission's core satellite and from Integrated Multi-satellitE Retrievals for GPM data by grouping contiguous raining pixels in both data sets. We propose a simplified tracking algorithm to track systems throughout their lifetimes. Lightning data from the World Wide Lightning Location Network are collocated to these tracks along with GPM PFs. These are then composited relative to the time step along the track that has the greatest number of lightning flashes, which is used as a proxy for MCSs with lightning reaching the maximum convective intensity. We then examine various radar variables for tropical and mid-latitude systems of varying lifetimes over both land and ocean in order to determine the differences and similarities between these types of systems. © 2021. American Geophysical Union. All Rights Reserved.
英文关键词	GPM; IMERG; lifecycle; precipitation
来源期刊	Journal of Geophysical Research: Atmospheres
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/236945
作者单位	Department of Physical and Environmental Sciences, Texas A&M University-Corpus Christi, Corpus Christi, TX, United States; Department of Earth System Science, University of California, Irvine, Irvine, CA, United States
推荐引用方式 GB/T 7714	Hayden L.,Liu C.,Liu N.. Properties of Mesoscale Convective Systems Throughout Their Lifetimes Using IMERG, GPM, WWLLN, and a Simplified Tracking Algorithm[J],2021,126(20).
APA	Hayden L.,Liu C.,&Liu N..(2021).Properties of Mesoscale Convective Systems Throughout Their Lifetimes Using IMERG, GPM, WWLLN, and a Simplified Tracking Algorithm.Journal of Geophysical Research: Atmospheres,126(20).
MLA	Hayden L.,et al."Properties of Mesoscale Convective Systems Throughout Their Lifetimes Using IMERG, GPM, WWLLN, and a Simplified Tracking Algorithm".Journal of Geophysical Research: Atmospheres 126.20(2021).