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标题：Groundwater recharge behavior based on surface runoff hydrographs in two basins of the Minas Gerais State
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作者：Durães, Matheus Fonseca ; Mello, Carlos Rogério de
期刊名称：Revista Ambiente & Água
印刷版ISSN：1980-993X
出版年度：2013
卷号：8
期号：2
页码：57-66
DOI：10.4136/ambi-agua.1127
出版社：Instituto de Pesquisas Ambientais em Bacias Hidrográficas
摘要：The interaction between the surface and groundwater occurs in a dynamic and interconnected way allowing the use of direct and indirect methods for hydro-geological characterization and its contribution to the surface flow.The recession rates and the groundwater flow can be obtained by using the Barnes' Method.Precipitation is the main component associated with the aquifer recharge process and may also be expressed as a Precipitation Concentration Index (PCI).This work presents recharge data sets based on the separation of the surface hydrograph for the Paraopeba and Sapucaí river basins, in Minas Gerais State.The effect of precipitation on groundwater recharge in the Sapucaí basin is more significant than that of the Paraopeba basin due to predominant land-use and its water and climatic regimes.The contribution of the base flow to total runoff in the Sapucaí basin could exceed 70% in some sub-basins, especially those near the Mantiqueira Range, demonstrating that even in areas with high rainfall concentration the influence of the Atlantic Forest in this process is highly significant.
关键词：método de Barnes;recarga;precipitação
其他关键词：Barne's method;recharge;precipitation