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DOI	10.5194/acp-21-6735-2021
	What drives daily precipitation over the central Amazon? Differences observed between wet and dry seasons
	Biscaro T.S.; Machado L.A.T.; Giangrande S.E.; Jensen M.P.
发表日期	2021
ISSN	1680-7316
起始页码	6735
结束页码	6754
卷号	21 期号:9
英文摘要	This study offers an alternative presentation regarding how diurnal precipitation is modulated by convective events that developed over the central Amazon during the preceding nighttime period.We use data collected during the Observations and Modelling of the Green Ocean Amazon (GoAmazon 2014/2015) field campaign that took place from 1 January 2014 to 30 November 2015 in the central Amazon. Local surface-based observations of cloud occurrence, soil temperature, surface fluxes, and planetary boundary layer characteristics are coupled with satellite data to identify the physical mechanisms that control the diurnal rainfall in central Amazon during the wet and dry seasons. This is accomplished through evaluation of the atmospheric properties during the nocturnal periods preceding raining and non-raining events. Comparisons between these non-raining and raining transitions are presented for the wet (January to April) and dry (June to September) seasons. The results suggest that wet-season diurnal precipitation is modulated by nighttime cloud coverage and local influences such as heating induced turbulence, whereas the dry-season rain events are controlled by large-scale circulations. © 2021 Author(s). © 2021 EDP Sciences. All rights reserved.
语种	英语
scopus关键词	boundary layer; convective system; diurnal variation; dry season; precipitation assessment; rainfall; soil temperature; surface flux; wet season; Amazonia
来源期刊	ATMOSPHERIC CHEMISTRY AND PHYSICS
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/246922
作者单位	Meteorological Satellites and Sensors Division, National Institute for Space Research, Cachoeira Paulista, Sao&tild; Paulo, 12630000, Brazil; Environmental and Climate Sciences Department, Brookhaven National Laboratory, Upton, NY, United States; Multiphase Chemistry Department, Max Planck Institute for Chemistry, Mainz, 55128, Germany
推荐引用方式 GB/T 7714	Biscaro T.S.,Machado L.A.T.,Giangrande S.E.,et al. What drives daily precipitation over the central Amazon? Differences observed between wet and dry seasons[J],2021,21(9).
APA	Biscaro T.S.,Machado L.A.T.,Giangrande S.E.,&Jensen M.P..(2021).What drives daily precipitation over the central Amazon? Differences observed between wet and dry seasons.ATMOSPHERIC CHEMISTRY AND PHYSICS,21(9).
MLA	Biscaro T.S.,et al."What drives daily precipitation over the central Amazon? Differences observed between wet and dry seasons".ATMOSPHERIC CHEMISTRY AND PHYSICS 21.9(2021).