{"id":90,"date":"2012-08-14T15:05:46","date_gmt":"2012-08-14T18:05:46","guid":{"rendered":"https:\/\/wp.ufpel.edu.br\/modelage\/?page_id=90"},"modified":"2012-08-14T15:05:46","modified_gmt":"2012-08-14T18:05:46","slug":"prospeccao-de-aquiferos-subterraneos","status":"publish","type":"page","link":"https:\/\/wp.ufpel.edu.br\/modelage\/projetos-de-pesquisa\/prospeccao-de-aquiferos-subterraneos\/","title":{"rendered":"PROSPEC\u00c7\u00c3O DE AQU\u00cdFEROS SUBTERR\u00c2NEOS"},"content":{"rendered":"<p><strong>Prospec\u00e7\u00e3o de aq\u00fc\u00edferos subterr\u00e2neos para reduzir ou eliminar problemas de estiagem e seca na regi\u00e3o de Bag\u00e9 (RS)<\/strong><\/p>\n<p><em><strong>Resumo<\/strong><\/em><\/p>\n<p>Esse projeto de pesquisa pretende executar uma ampla prospec\u00e7\u00e3o de aq\u00fc\u00edferos na regi\u00e3o de Bag\u00e9 (RS) para planejamento do uso racional da \u00e1gua subterr\u00e2nea, com o objetivo de reduzir ou mesmo eliminar os problemas sociais advindos das cr\u00f4nicas estiagens e secas. A regi\u00e3o de Bag\u00e9 (RS) tem passado por per\u00edodos de longas estiagens e secas principalmente nas \u00faltimas 4-5 d\u00e9cadas, as quais est\u00e3o relacionadas com os per\u00edodos de atua\u00e7\u00e3o do fen\u00f4meno <em>La Ni\u00f1a<\/em>. Esses per\u00edodos de estiagem\/seca afetam, de modo mais veemente, o abastecimento p\u00fablico de \u00e1gua pot\u00e1vel da popula\u00e7\u00e3o que vive nas sedes municipais e em distritos e vilas do interior dos munic\u00edpios. Por\u00e9m, nos per\u00edodos de seca, toda a produ\u00e7\u00e3o agr\u00edcola e industrial tem sido severamente impactada. Nesses per\u00edodos, as municipalidades t\u00eam decretado sucessivos racionamentos e estados de emerg\u00eancia.<\/p>\n<p>Os v\u00e1rios \u00f3rg\u00e3os p\u00fablicos encarregados de enfrentar as conseq\u00fc\u00eancias das secas e as principais institui\u00e7\u00f5es de pesquisa n\u00e3o t\u00eam conseguido propor alternativas de menor custo e impacto \u00e0 cl\u00e1ssica constru\u00e7\u00e3o de a\u00e7udes. E, mesmo essa alternativa tem sido muito lentamente adotada. Ocorre que, a regi\u00e3o de Bag\u00e9 (RS) possui um relevo suavemente coxilhado (ondulado), sem grandes rios e sem vales profundos. Isso implica a constru\u00e7\u00e3o de a\u00e7udes de l\u00e2mina d\u00b4\u00e1gua rasa e de grande \u00e1rea superficial, que rapidamente t\u00eam seus n\u00edveis rebaixados devido \u00e0 pequena entrada d\u00b4\u00e1gua (chuva e vaz\u00e3o dos pequenos rios) e \u00e0 alta evapora\u00e7\u00e3o.<\/p>\n<p>A regi\u00e3o de Bag\u00e9 est\u00e1 geologicamente localizada na borda da Bacia do Paran\u00e1 e no flanco sul do Arco de Rio Grande. Isso significa que, na regi\u00e3o de Bag\u00e9, est\u00e3o expostas rochas cristalinas do embasamento (Escudo Sul-riograndense) e as rochas das forma\u00e7\u00f5es sedimentares basais da Bacia do Paran\u00e1. Al\u00e9m disso, as rochas do embasamento cristalino e da Bacia do Paran\u00e1 s\u00e3o cortadas por expressivas falhas regionais e por falhas subsidi\u00e1rias menores. Dentro dessa condi\u00e7\u00e3o geol\u00f3gica, dois tipos principais de aq\u00fc\u00edferos podem ser vislumbrados: i) aq\u00fc\u00edferos fraturados e ii) aq\u00fc\u00edferos confinados em camadas sedimentares porosas.<\/p>\n<p><em><strong>Objetivos<\/strong><\/em><\/p>\n<p>Os objetivos desse projeto de pesquisa aplicada s\u00e3o:<\/p>\n<p>1) mapeamento dos aq\u00fc\u00edferos fraturados e dos aq\u00fc\u00edferos confinados na regi\u00e3o de Bag\u00e9 (RS);\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2) caracteriza\u00e7\u00e3o dos controles geol\u00f3gicos e geof\u00edsicos dos aq\u00fc\u00edferos fraturados e dos aq\u00fc\u00edferos confinados subterr\u00e2neos na regi\u00e3o de Bag\u00e9 (RS);\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3) propor a loca\u00e7\u00e3o de po\u00e7os tubulares profundos capazes de suprir a demanda por \u00e1gua pot\u00e1vel para abastecimento p\u00fablico;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4) elaborar um plano de gest\u00e3o integrada de fontes superficiais e subterr\u00e2neas de recursos h\u00eddricos dirigida \u00e0 redu\u00e7\u00e3o ou elimina\u00e7\u00e3o dos problemas de abastecimento de \u00e1gua durante os per\u00edodos de estiagem prolongada ou seca.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Prospec\u00e7\u00e3o de aq\u00fc\u00edferos subterr\u00e2neos para reduzir ou eliminar problemas de estiagem e seca na regi\u00e3o de Bag\u00e9 (RS) Resumo Esse projeto de pesquisa pretende executar uma ampla prospec\u00e7\u00e3o de aq\u00fc\u00edferos na regi\u00e3o de Bag\u00e9 (RS) para planejamento do uso racional da \u00e1gua subterr\u00e2nea, com o objetivo de reduzir ou mesmo eliminar os problemas sociais advindos [&hellip;]<\/p>\n","protected":false},"author":201,"featured_media":0,"parent":48,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_crdt_document":"","footnotes":""},"class_list":["post-90","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/wp.ufpel.edu.br\/modelage\/wp-json\/wp\/v2\/pages\/90","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.ufpel.edu.br\/modelage\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/wp.ufpel.edu.br\/modelage\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/wp.ufpel.edu.br\/modelage\/wp-json\/wp\/v2\/users\/201"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.ufpel.edu.br\/modelage\/wp-json\/wp\/v2\/comments?post=90"}],"version-history":[{"count":2,"href":"https:\/\/wp.ufpel.edu.br\/modelage\/wp-json\/wp\/v2\/pages\/90\/revisions"}],"predecessor-version":[{"id":92,"href":"https:\/\/wp.ufpel.edu.br\/modelage\/wp-json\/wp\/v2\/pages\/90\/revisions\/92"}],"up":[{"embeddable":true,"href":"https:\/\/wp.ufpel.edu.br\/modelage\/wp-json\/wp\/v2\/pages\/48"}],"wp:attachment":[{"href":"https:\/\/wp.ufpel.edu.br\/modelage\/wp-json\/wp\/v2\/media?parent=90"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}