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1. Identity statement
Reference TypeJournal Article
Sitemtc-m21c.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP3W34R/43T9N92
Repositorysid.inpe.br/mtc-m21c/2021/01.05.16.21   (restricted access)
Last Update2021:01.05.16.21.05 (UTC) administrator
Metadata Repositorysid.inpe.br/mtc-m21c/2021/01.05.16.21.05
Metadata Last Update2022:04.03.22.28.01 (UTC) administrator
DOI10.1016/j.atmosres.2020.105221
ISSN0169-8095
Citation KeyLimaLyAbOlZeCu:2021:ChUsPr
TitleExtreme rainfall events over Rio de Janeiro State, Brazil: Characterization using probability distribution functions and clustering analysis
Year2021
MonthJan
Access Date2024, May 09
Type of Workjournal article
Secondary TypePRE PI
Number of Files1
Size19935 KiB
2. Context
Author1 Lima, Allana Oliveira
2 Lyra, Gustavo Bastos
3 Abreu, Marcel Carvalho
4 Oliveira Júnior, José Francisco
5 Zeri, Marcelo
6 Cunha Zeri, Gisleine
Group1
2
3
4
5
6 DIIAV-CGCT-INPE-MCTI-GOV-BR
Affiliation1 Universidade Federal Fluminense (UFF)
2 Universidade Federal Rural do Rio de Janeiro (UFRRJ)
3 Universidade Federal Rural do Rio de Janeiro (UFRRJ)
4 Universidade Federal de Alagoas (UFAL)
5 Centro Nacional de Monitoramento e Alertas de Desastres Naturais (CEMADEN)
6 Instituto Nacional de Pesquisas Espaciais (INPE)
Author e-Mail Address1
2 gblyra@ufrrj.br
3
4
5
6 gisleine.zeri@inpe.br
JournalAtmospheric Research
Volume247
Pagese105221
Secondary MarkA1_INTERDISCIPLINAR A1_CIÊNCIAS_AMBIENTAIS A2_GEOCIÊNCIAS A2_CIÊNCIAS_AGRÁRIAS_I B1_MATEMÁTICA_/_PROBABILIDADE_E_ESTATÍSTICA B1_ENGENHARIAS_IV B1_ENGENHARIAS_III B1_ENGENHARIAS_II B1_BIODIVERSIDADE B2_ASTRONOMIA_/_FÍSICA
History (UTC)2021-01-05 16:21:05 :: simone -> administrator ::
2021-01-05 16:21:07 :: administrator -> simone :: 2021
2021-01-05 16:22:24 :: simone -> administrator :: 2021
2021-06-22 19:11:12 :: administrator -> simone :: 2021
2021-06-22 20:10:10 :: simone -> administrator :: 2021
2022-04-03 22:28:01 :: administrator -> simone :: 2021
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Version Typepublisher
AbstractExtreme rainfall events are likely to become more frequent according to recent scenarios of climate change. This issue is especially important over regions with complex topography, which enhances rainfall variability when associated with weather patterns. The state of Rio de Janeiro (SRJ), southeastern Brazil, is characterized by altitudes ranging from the mean sea level up to 2500 m.a.s.l, in mountain ranges and valleys covering significant parts of the region. Time series data of annual maximum daily rainfall were obtained from 110 stations with a data coverage of at least 20 years, from 1960 to 2010. The Probability Distribution Functions (PDFs) normal, log-normal, exponential, gamma, Gumbel, Weibull, and Generalized Extreme Value (GEV) were fitted to maximum rainfall series. Goodness-of-fit tests (Chi-squared - χ2 and Anderson-Darling) revealed that the Gumbel, GEV, and log-normal were found to be the best choices. However,the Gumbel and GEV PDFs were the best ranking by the χ2 and Anderson-Darling test, respectively. Extreme rainfall events with different recurrence intervals (5, 10, 25, 50 and 100 years) were calculated based on the Gumbel and GEV Cumulative Distribution Function (CDF). The differences between extreme values from Gumbell and GEV function increased as the shape parameter increases from zero, with higher probability and extreme value. Five regions with homogeneous patterns of extreme rainfall were identified using clustering analysis (Ward's method) and different recurrence intervals. Overall, the regions with higher values of extreme rainfall in all scenarios and CDFs were the ones close to the coast, within 40 km, and south of Serra dos Órgãos mountain range, located in the middle of the state. The mountain range separates the state in two halves, concentrating higher values of extreme rainfall in the lower part, where the city of Rio de Janeiro, the state's capital, is located. Scenarios for both CDF (GEV and Gumbel) indicated daily rainfall events up to 200 mm, with recurrence intervals of 50 to 100 years. In addition, the southernmost part of the state is subjected to rainfall extremes up to 260 mm in scenarios of 50 to 100 years of recurrence interval. This region, and the state's capital, are characterized by complex topography and a high fraction of population living in slums over hills, or lowlands near the ocean, increasing the vulnerability to events such as landslides and floods associated with extreme rainfall.
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Next Higher Units8JMKD3MGPCW/46KUATE
DisseminationWEBSCI; PORTALCAPES; COMPENDEX; SCOPUS.
Host Collectionurlib.net/www/2017/11.22.19.04
6. Notes
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