{"id":1391,"date":"2020-11-18T14:25:35","date_gmt":"2020-11-18T14:25:35","guid":{"rendered":"https:\/\/www.ufrgs.br\/lsh\/?page_id=1391"},"modified":"2023-02-06T17:48:47","modified_gmt":"2023-02-06T17:48:47","slug":"base-flow-filter","status":"publish","type":"page","link":"https:\/\/www.ufrgs.br\/lsh\/products\/base-flow-filter\/","title":{"rendered":"Base flow filter programmed in MS Excel"},"content":{"rendered":"<p><em>Base flow filter programmed in MS Excel<\/em><\/p>\n<p style=\"text-align: justify;\">In the article \u201c<a href=\"https:\/\/onlinelibrary.wiley.com\/doi\/abs\/10.1002\/hyp.9391\">Defining parameters for Eckhardt&#8217;s digital baseflow filter<\/a>\u201d we investigated ways to define the maximum base flow rate parameter (BFImax), for flow separation in hydrographs, with the use of an inverse base flow filter, and with a equation based on Q90\/Q50.<\/p>\n<p style=\"text-align: justify;\">Subsequently, other research such as Dora (2013), Mattiuzi (2013) and Mattiuzi et al. (2016) carried out other tests even more in-depth, validating the results of using the filter and applying it to estimate the recharge in aquifers in river basins.<\/p>\n<p style=\"text-align: justify;\">If you are interested in the subject, I provide <a href=\"https:\/\/mega.nz\/folder\/Ih1TxBAI#X7-0AH7wYe-EIgMC1DbxnQ\">here<\/a> an example spreadsheet in Excel with the base flow filter programmed.<\/p>\n<p style=\"text-align: justify;\">References:<\/p>\n<p style=\"text-align: justify;\">DORA, A.S. 2013. Quantification of Renewable Groundwater Reserves in Hydrographic Basins from Historical Flow Series: A Tool for Management and Basins. 84p. Course Conclusion Paper &#8211; Hydraulic Research Institute. Federal University of Rio Grande do Sul, Porto Alegre \/ RS.<\/p>\n<p style=\"text-align: justify;\">MATTIUZI, C.D.P. 2013. RECHARGE ESTIMATE FROM THE SEPARATION OF BASE DRAINAGE IN THE HYDROGRAPHIC BASIN OF RIO IBICU\u00cd \/ RS. 69p. Course Conclusion Paper &#8211; Hydraulic Research Institute. Federal University of Rio Grande do Sul, Porto Alegre \/ RS.<\/p>\n<p style=\"text-align: justify;\">MATTIUZI, C. D. P.; KIRCHHEIM, R.; FAN, F. M.; COLLISCHONN, W.. <a href=\"https:\/\/aguassubterraneas.abas.org\/asubterraneas\/article\/view\/28487\">Estimation of underground recharge from the Separation of base runoff in the hydrographic basin of the Ibicu\u00ed River (South America)<\/a>. Groundwater, v. 29, p. 285-300, 2016<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Base flow filter programmed in MS Excel In the article \u201cDefining parameters for Eckhardt&#8217;s digital baseflow filter\u201d we investigated ways to define the maximum base flow rate parameter (BFImax), for flow separation in hydrographs, with the use of an inverse &hellip; <a href=\"https:\/\/www.ufrgs.br\/lsh\/products\/base-flow-filter\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":129,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/www.ufrgs.br\/lsh\/wp-json\/wp\/v2\/pages\/1391"}],"collection":[{"href":"https:\/\/www.ufrgs.br\/lsh\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.ufrgs.br\/lsh\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.ufrgs.br\/lsh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ufrgs.br\/lsh\/wp-json\/wp\/v2\/comments?post=1391"}],"version-history":[{"count":3,"href":"https:\/\/www.ufrgs.br\/lsh\/wp-json\/wp\/v2\/pages\/1391\/revisions"}],"predecessor-version":[{"id":1595,"href":"https:\/\/www.ufrgs.br\/lsh\/wp-json\/wp\/v2\/pages\/1391\/revisions\/1595"}],"up":[{"embeddable":true,"href":"https:\/\/www.ufrgs.br\/lsh\/wp-json\/wp\/v2\/pages\/129"}],"wp:attachment":[{"href":"https:\/\/www.ufrgs.br\/lsh\/wp-json\/wp\/v2\/media?parent=1391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}