Impact of Urbanization on the Hydrodynamics of a Water Table in a Floodplain with High Potential for Renaturation

Marcelle Nardelli Baptista (), Ricardo Valcarcel, Felipe Araujo Mateus, William Soares Medeiros and Fernando Canto Andrade
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Marcelle Nardelli Baptista: Rural Federal University of Rio de Janeiro (UFRRJ)
Ricardo Valcarcel: Rural Federal University of Rio de Janeiro (UFRRJ)
Felipe Araujo Mateus: Rural Federal University of Rio de Janeiro (UFRRJ)
William Soares Medeiros: Rural Federal University of Rio de Janeiro (UFRRJ)
Fernando Canto Andrade: Rural Federal University of Rio de Janeiro (UFRRJ)

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2017, vol. 31, issue 13, No 4, 4102 pages

Abstract: Abstract Large river basins influence the development of human populations either by interfering with population growth or by providing a valuable resource that supports population growth. The Paraíba do Sul River catchment (55,400 km2) in southeastern Brazil supplies more than 14-million people with water, and is located in a region of Brazil with the highest Gross National Product (GNP). This catchment contains 77 floodplains (2156 km2) whose waters are highly regulated, and has a medium urbanization index (18.9%). Fifty-two of these floodplains (67.5%) have characteristics that make them suitable for the implementation of management practices that seek renaturation of the floodplain to ensure the sustainability of regional economic development. The floodplain examined in this study is highly managed and has a great potential for renaturation. We examined variations in groundwater level from the control section (lowest cross-section of the floodplain) to the propagation zone for flooding (9.43 km upstream) from January to December of 2013. The elevation of the water table near the structural control point had less seasonal oscillation than a distant area (p = 0.036). There was also a significant difference in the depth of the water table within the interior of the floodplain (urban area: 3.13 m, non-urban area: 0.49 m, p

Keywords: Water table; Water regulation; Land use; Floodplain (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1007/s11269-017-1731-5

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