{"id":1212,"date":"2021-04-08T16:48:50","date_gmt":"2021-04-08T19:48:50","guid":{"rendered":"https:\/\/csr.ufmg.br\/ppgamsa\/?p=1212"},"modified":"2024-09-10T16:28:57","modified_gmt":"2024-09-10T19:28:57","slug":"defesa-de-dissertacao-debora-dutra-2","status":"publish","type":"post","link":"https:\/\/csr.ufmg.br\/ppgamsa\/defesa-de-dissertacao-debora-dutra-2\/","title":{"rendered":"Defesa de disserta\u00e7\u00e3o &#8211; D\u00e9bora Dutra"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;border-width: 0px 0px 0px 0px;border-color:#eae9e9;border-style:solid;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><style type=\"text\/css\">@media only screen and (max-width:1024px) {.fusion-title.fusion-title-1{margin-top:10px!important;margin-bottom:30px!important;}}<\/style><div class=\"fusion-title title fusion-title-1 fusion-title-text fusion-title-size-one\" style=\"margin-top:10px;margin-bottom:30px;\"><div class=\"title-sep-container title-sep-container-left fusion-no-large-visibility fusion-no-medium-visibility fusion-no-small-visibility\"><div class=\"title-sep sep-\" style=\"border-color:#ae895d;\"><\/div><\/div><h1 class=\"title-heading-left\" style=\"margin:0;\">Not\u00edcias<\/h1><div class=\"title-sep-container title-sep-container-right\"><div class=\"title-sep sep-\" style=\"border-color:#ae895d;\"><\/div><\/div><\/div><div class=\"fusion-text fusion-text-1\"><h2 class=\"fusion-responsive-typography-calculated\" style=\"--fontsize: 26; line-height: 1.07;\" data-fontsize=\"26\" data-lineheight=\"27.82px\">defesa de disserta\u00e7\u00e3o &#8211; d\u00e9bora dutra<\/h2>\n<p>O Programa de P\u00f3s-gradua\u00e7\u00e3o em An\u00e1lise e Modelagem de Sistemas Ambientais do Instituto de Geoci\u00eancias da UFMG convida para a seguinte apresenta\u00e7\u00e3o:<\/p>\n<p>DEFESA DE DISSERTA\u00c7\u00c3O<\/p>\n<p>Discente: D\u00e9bora Joana Dutra<\/p>\n<p>Orientador: Prof. Dr. Marcos Ant\u00f4nio Timb\u00f3 Elmiro<\/p>\n<p>T\u00edtulo: \u201cUSO DO SENSORIAMENTO REMOTO PARA AN\u00c1LISE DE EVENTOS DE SECA EM BACIAS HIDROGR\u00c1FICAS: ESTUDO DE CASO NA SUB-BACIA DO RIBEIR\u00c3O SERRA AZUL, MG&#8221;<\/p>\n<p>Resumo:<\/p>\n<p>As press\u00f5es antr\u00f3picas t\u00eam proporcionado diversas ofensivas ao meio ambiente, sendo tema de amplos estudos, como monitoramento de eventos naturais. Neste aspecto, o fen\u00f4meno de seca tem obtido destaque em trabalhos internacionais e nacionais, principalmente pelos diversos epis\u00f3dios de escassez h\u00eddrica ocorridos entre os anos de 2014 e 2015. Em Minas Gerais, a bacia do Rio Paraopeba, foi uma das regi\u00f5es que sofreu com as consequ\u00eancias das press\u00f5es sobre o meio ambiente, principalmente associadas \u00e0 diminui\u00e7\u00e3o do volume de \u00e1gua, que ocasionou o decreto Estadual de escassez h\u00eddrica na bacia de contribui\u00e7\u00e3o e na por\u00e7\u00e3o hidrogr\u00e1fica do reservat\u00f3rio Serra Azul durante o ano de 2015. Para buscar entender o evento ocorrido em 2015, o presente trabalho visa analisar a viabilidade de uso do \u00edndice de condi\u00e7\u00e3o de vegeta\u00e7\u00e3o (ICV) para o monitoramento de seca\/estiagem, como forma de subsidiar a\u00e7\u00f5es de gest\u00e3o e monitoramento de regi\u00f5es que abrigam esta\u00e7\u00e3o de abastecimento de \u00e1gua. A metodologia aplicada consistiu em duas etapas, sendo elas: an\u00e1lise do per\u00edodo de seca e efic\u00e1cia do \u00edndice de condi\u00e7\u00e3o de vegeta\u00e7\u00e3o para monitoramento do fen\u00f4meno. Em rela\u00e7\u00e3o a an\u00e1lise da abrang\u00eancia do evento na regi\u00e3o de estudo, utilizou-se de an\u00e1lises estat\u00edsticas para a sele\u00e7\u00e3o do melhor \u00edndice de vegeta\u00e7\u00e3o para caracteriza\u00e7\u00e3o da extens\u00e3o do evento. Os dados da s\u00e9rie temporal analisada (2013-2018) foram organizados conforme a esta\u00e7\u00e3o do ano para o c\u00e1lculo do ICV, sendo eles classificados de acordo com a metodologia proposta pelo criador do \u00edndice. Para medir a efic\u00e1cia do \u00edndice para o monitoramento das diferentes categorias de seca, separou-se a etapa em quatro partes: seca meteorol\u00f3gica, hidrol\u00f3gica, agr\u00edcola e socioambiental. Al\u00e9m disso, utilizou-se de t\u00e9cnicas de correla\u00e7\u00e3o para verificar se o \u00edndice corrobora para os resultados encontrados nas metodologias aplicadas. Os resultados permitiram identificar que, dentro dos produtos do sensor MODIS, o NDVI \u00e9 o melhor \u00edndice para ser utilizado para caracteriza\u00e7\u00e3o da seca da regi\u00e3o de estudo. Em rela\u00e7\u00e3o a seca meteorol\u00f3gica, foi poss\u00edvel identificar que os resultados de ICV corroboram com os dados apresentados em relat\u00f3rios clim\u00e1ticos oficiais do INPE e do INMET. Al\u00e9m disso, foi poss\u00edvel identificar que eventos externos auxiliaram no agravamento do evento entre os anos de 2014 e 2015. Em rela\u00e7\u00e3o a seca hidrol\u00f3gica, verificou-se que o ICV apresenta uma correla\u00e7\u00e3o moderadamente forte com os dados de gravidade de seca e umidade relativa do solo. Por fim, a an\u00e1lise de seca hidrol\u00f3gica e socioambiental permitiu analisar que, \u00e0 medida que ocorre o agravamento do fen\u00f4meno na regi\u00e3o de estudo, menor a quantidade de biomassa florestal nas \u00e1reas agropecu\u00e1rias e do volume do reservat\u00f3rio de abastecimento de \u00e1gua da regi\u00e3o. Conclui-se que o presente trabalho obteve resultados que podem auxiliar em futuros estudos sobre a tem\u00e1tica, bem como na implementa\u00e7\u00e3o de sistemas e planejamento de a\u00e7\u00f5es para o enfrentamento das consequ\u00eancias desse evento.<\/p>\n<p>Data: 15 de abril de 2021<\/p>\n<p>Hor\u00e1rio: 14:00h<\/p>\n<p>Link para acompanhar a videoconfer\u00eancia: <a href=\"https:\/\/meet.google.com\/bft-ydoz-xrw\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/meet.google.com\/bft-ydoz-xrw<\/a><\/p>\n<\/div><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-0{width:100% !important;margin-top : 0px;margin-bottom : 20px;}.fusion-builder-column-0 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 1.92%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 3.552%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-0{width:100% !important;order : 0;}.fusion-builder-column-0 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-0{width:100% !important;order : 0;}.fusion-builder-column-0 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><style type=\"text\/css\">.fusion-fullwidth.fusion-builder-row-1 a:not(.fusion-button):not(.fusion-builder-module-control):not(.fusion-social-network-icon):not(.fb-icon-element):not(.fusion-countdown-link):not(.fusion-rollover-link):not(.fusion-rollover-gallery):not(.fusion-button-bar):not(.add_to_cart_button):not(.show_details_button):not(.product_type_external):not(.fusion-view-cart):not(.fusion-quick-view):not(.fusion-rollover-title-link):not(.fusion-breadcrumb-link) , .fusion-fullwidth.fusion-builder-row-1 a:not(.fusion-button):not(.fusion-builder-module-control):not(.fusion-social-network-icon):not(.fb-icon-element):not(.fusion-countdown-link):not(.fusion-rollover-link):not(.fusion-rollover-gallery):not(.fusion-button-bar):not(.add_to_cart_button):not(.show_details_button):not(.product_type_external):not(.fusion-view-cart):not(.fusion-quick-view):not(.fusion-rollover-title-link):not(.fusion-breadcrumb-link):before, .fusion-fullwidth.fusion-builder-row-1 a:not(.fusion-button):not(.fusion-builder-module-control):not(.fusion-social-network-icon):not(.fb-icon-element):not(.fusion-countdown-link):not(.fusion-rollover-link):not(.fusion-rollover-gallery):not(.fusion-button-bar):not(.add_to_cart_button):not(.show_details_button):not(.product_type_external):not(.fusion-view-cart):not(.fusion-quick-view):not(.fusion-rollover-title-link):not(.fusion-breadcrumb-link):after {color: #00b29d;}.fusion-fullwidth.fusion-builder-row-1 a:not(.fusion-button):not(.fusion-builder-module-control):not(.fusion-social-network-icon):not(.fb-icon-element):not(.fusion-countdown-link):not(.fusion-rollover-link):not(.fusion-rollover-gallery):not(.fusion-button-bar):not(.add_to_cart_button):not(.show_details_button):not(.product_type_external):not(.fusion-view-cart):not(.fusion-quick-view):not(.fusion-rollover-title-link):not(.fusion-breadcrumb-link):hover, .fusion-fullwidth.fusion-builder-row-1 a:not(.fusion-button):not(.fusion-builder-module-control):not(.fusion-social-network-icon):not(.fb-icon-element):not(.fusion-countdown-link):not(.fusion-rollover-link):not(.fusion-rollover-gallery):not(.fusion-button-bar):not(.add_to_cart_button):not(.show_details_button):not(.product_type_external):not(.fusion-view-cart):not(.fusion-quick-view):not(.fusion-rollover-title-link):not(.fusion-breadcrumb-link):hover:before, .fusion-fullwidth.fusion-builder-row-1 a:not(.fusion-button):not(.fusion-builder-module-control):not(.fusion-social-network-icon):not(.fb-icon-element):not(.fusion-countdown-link):not(.fusion-rollover-link):not(.fusion-rollover-gallery):not(.fusion-button-bar):not(.add_to_cart_button):not(.show_details_button):not(.product_type_external):not(.fusion-view-cart):not(.fusion-quick-view):not(.fusion-rollover-title-link):not(.fusion-breadcrumb-link):hover:after {color: #00b29d;}.fusion-fullwidth.fusion-builder-row-1 .pagination a.inactive:hover, .fusion-fullwidth.fusion-builder-row-1 .fusion-filters .fusion-filter.fusion-active a {border-color: #00b29d;}.fusion-fullwidth.fusion-builder-row-1 .pagination .current {border-color: #00b29d; 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