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		<doi>10.3390/atmos13101680</doi>
		<issn>2073-4433</issn>
		<citationkey>PalhariniViRoPaMaUn:2022:AnExRa</citationkey>
		<title>Analysis of Extreme Rainfall and Natural Disasters Events Using Satellite Precipitation Products in Different Regions of Brazil</title>
		<year>2022</year>
		<month>Oct.</month>
		<typeofwork>journal article</typeofwork>
		<secondarytype>PRE PI</secondarytype>
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		<author>Palharini, Rayana,</author>
		<author>Vila, Daniel Alejandro,</author>
		<author>Rodrigues, Daniele,</author>
		<author>Palharini, Rodrigo,</author>
		<author>Mattos, Enrique,</author>
		<author>Undurraga, Eduardo,</author>
		<orcid>0000-0001-5503-8450</orcid>
		<orcid>0000-0002-1015-5650</orcid>
		<orcid>0000-0003-4307-2832</orcid>
		<orcid>0000-0003-3548-2735</orcid>
		<orcid>0000-0002-9590-3709</orcid>
		<orcid>0000-0002-4425-1253</orcid>
		<group></group>
		<group>DISSM-CGCT-INPE-MCTI-GOV-BR</group>
		<affiliation>Research Center for Integrated Disaster Risk Management (CIGIDEN)</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<affiliation>Universidade Federal de Piauí (UFPI)</affiliation>
		<affiliation>Federico Santa María Technical University</affiliation>
		<affiliation>Universidade Federal de Itajubá (UNIFEI)</affiliation>
		<affiliation>Research Center for Integrated Disaster Risk Management (CIGIDEN)</affiliation>
		<electronicmailaddress>rayana.palharini@uc.cl</electronicmailaddress>
		<electronicmailaddress>danielvila2001@gmail.com</electronicmailaddress>
		<journal>Atmosphere</journal>
		<volume>13</volume>
		<number>10</number>
		<pages>e1680</pages>
		<secondarymark>B3_ENGENHARIAS_III B3_ENGENHARIAS_I B3_CIÊNCIAS_AMBIENTAIS B4_ENGENHARIAS_II B5_GEOCIÊNCIAS</secondarymark>
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		<keywords>extreme events, natural disasters, precipitation, satellite.</keywords>
		<abstract>The number of natural disasters triggered by extreme events is increasing worldwide and significantly impacts modern society. Extreme rainfall is one of the most important factors contributing to these events. A better understanding of the physical process that causes extreme rainfall can allow rapid responses from decision-makers to lessen the impact of natural disasters on the local population. Satellite monitoring is widely used for this purpose and is essential for regions where terrestrial observations are limited or non-existent. The primary purpose of this study is to describe the performance of satellite products for extreme rainfall events that caused natural disasters in various climate regimes in Brazil and discuss the contribution of mesoscale convective systems (MCS) to these events. We defined regions based on the climatological rainfall distribution. Cases with rain values above the 99th percentile during 20122016 were considered statistically extreme. Our analysis is based on three datasets, with precipitation from (i) rain gauge stations, (ii) different satellite-based estimates, and (iii) mesoscale convective tracking data. The methodology was based on identifying extreme rainfall events, analyzing the performance of satellite precipitation estimates and, finally, quantifying the influence of convective systems on extreme rain. Although all regions of Brazil may be affected by natural disasters caused by extreme rains, the results suggest that the impacts caused in each region are different in magnitude. Convective systems explained over 90% of extreme rains in the case analyzed in Brazils south and about 60% to 90% of extreme rains in the case analyzed in the Northeast. In general, satellite products have identified rain events; however, in the southern region of Brazil, products have tended to overestimate rainfall, while other regions have tended to underestimate extreme rain values. The methods used in satellite precipitation estimation products have limitations to accurately identifying specific extreme rain events.</abstract>
		<area>MET</area>
		<language>en</language>
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