{"id":1132,"date":"2020-07-23T18:54:33","date_gmt":"2020-07-23T21:54:33","guid":{"rendered":"http:\/\/pesquisa.ufabc.edu.br\/macroamb\/?p=1132"},"modified":"2020-07-23T18:54:33","modified_gmt":"2020-07-23T21:54:33","slug":"artigo-stationary-and-non-stationary-detection-of-extreme-precipitation-events-and-trends-of-average-precipitation-from-1980-to-2010-in-the-parana-river-basin-brazil","status":"publish","type":"post","link":"https:\/\/pesquisa.ufabc.edu.br\/macroamb\/artigo-stationary-and-non-stationary-detection-of-extreme-precipitation-events-and-trends-of-average-precipitation-from-1980-to-2010-in-the-parana-river-basin-brazil\/","title":{"rendered":"Artigo: Stationary and non-stationary detection of extreme precipitation events and trends of average precipitation from 1980 to 2010 in the Paran\u00e1 River basin, Brazil."},"content":{"rendered":"<div class=\"article-section-wrapper js-article-section \">\n<section class=\"abstract\">\n<div id=\"abs0015\" class=\"abstract author\">\n<div id=\"abst0015\">\n<div class=\"abstract-group\">\n<section id=\"section-1-en\" class=\"article-section article-section__abstract\" lang=\"en\" data-lang=\"en\">\n<div class=\"article-section__content en main\">\n<p>The main objective of this study was to investigate the trends on average and extreme events in time series of daily precipitation from 1980 to 2010 in the Paran\u00e1 River basin, Brazil. The nonparametric Mann\u2013Kendall test was applied to detect monotonic trend in the precipitation series. The occurrence of extreme values was analysed based on three generalized extreme values (GEV) models: Model 1 (stationary), Model 2 (non\u2010stationary for location parameter), and Model 3 (non\u2010stationary for location and scale parameters). The GEV parameters were estimated by the Generalized Maximum Likelihood method (GMLE) and for the non\u2010stationary models, the parameters were estimated as linear functions of time. To choose the most suitable model, the maximum likelihood ratio test (<i>D\u00a0<\/i>) was used. From the results observed at the monthly scale, it was possible to infer that the months with the highest probability of an extreme weather event occurrence are February (climates Aw and Cfa), July (Cfa and Cfb), and October (Aw, Cfa, and Cfb). Approximately 90% of the 1,112 stations presented no trend regarding the GEV parameters. The non\u2010stationarity showed by other stations (Models 2 and 3) might be associated with several factors, such as the alteration of land use due to the north expansion of the agricultural border of the Paran\u00e1 River basin.<\/p>\n<\/div>\n<\/section>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"abs0005\" class=\"abstract graphical\"><\/div>\n<\/section>\n<\/div>\n<div class=\"article-metadata-panel clearfix rs_skip\">\n<div class=\"widget-SolrResourceMetadata widget-instance-ContentMetadata_ArticleFulltext_Article\"><\/div>\n<\/div>\n<p>Autores: XAVIER, A. C. F.; RUDKE, A. P.; FUJITA, T.; BLAIN, G. C.; MORAIS, M. V. B.; ALMEIDA, D. S.; ABOU RAFEE, S. A.; MARTINS, L. D.; SOUZA, R. A. F.; FREITAS, E. D.; MARTINS, J. A.<\/p>\n<p>Link de acesso:\u00a0<a href=\"https:\/\/doi.org\/10.1002\/joc.6265\">https:\/\/doi.org\/10.1002\/joc.6265<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The main objective of this study was to investigate the trends on average and extreme events in time series of daily precipitation from 1980 to 2010 in the Paran\u00e1 River basin, Brazil. The nonparametric Mann\u2013Kendall test was applied to detect monotonic trend in the precipitation series. The occurrence of extreme values was analysed based on<a class=\"read-more\" href=\"https:\/\/pesquisa.ufabc.edu.br\/macroamb\/artigo-stationary-and-non-stationary-detection-of-extreme-precipitation-events-and-trends-of-average-precipitation-from-1980-to-2010-in-the-parana-river-basin-brazil\/\">Continue reading <i class=\"fal fa-angle-right\"><\/i><\/a><\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":""},"categories":[32,47,27,38],"tags":[],"jetpack_featured_media_url":"","jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paRCEa-ig","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/pesquisa.ufabc.edu.br\/macroamb\/wp-json\/wp\/v2\/posts\/1132"}],"collection":[{"href":"https:\/\/pesquisa.ufabc.edu.br\/macroamb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pesquisa.ufabc.edu.br\/macroamb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pesquisa.ufabc.edu.br\/macroamb\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/pesquisa.ufabc.edu.br\/macroamb\/wp-json\/wp\/v2\/comments?post=1132"}],"version-history":[{"count":1,"href":"https:\/\/pesquisa.ufabc.edu.br\/macroamb\/wp-json\/wp\/v2\/posts\/1132\/revisions"}],"predecessor-version":[{"id":1133,"href":"https:\/\/pesquisa.ufabc.edu.br\/macroamb\/wp-json\/wp\/v2\/posts\/1132\/revisions\/1133"}],"wp:attachment":[{"href":"https:\/\/pesquisa.ufabc.edu.br\/macroamb\/wp-json\/wp\/v2\/media?parent=1132"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pesquisa.ufabc.edu.br\/macroamb\/wp-json\/wp\/v2\/categories?post=1132"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pesquisa.ufabc.edu.br\/macroamb\/wp-json\/wp\/v2\/tags?post=1132"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}