Land use and groundwater quality: the case of baixo acaraú irrigated perimeter, brazil Report as inadecuate




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Fernando Bezerra Lopes ; Helba Araújo Queiroz Palácio ; Deodato do Nascimento Aquino ; Deborah Mithya Barros Alexandre ;Revista Ciência Agronômica 2010, 41 2

Author: Eunice Maia de Andrade

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Revista Ciência Agronômica ISSN: 0045-6888 ccarev@ufc.br Universidade Federal do Ceará Brasil Andrade, Eunice Maia de; Bezerra Lopes, Fernando; Araújo Queiroz Palácio, Helba; Nascimento Aquino, Deodato do; Barros Alexandre, Deborah Mithya Land use and groundwater quality: The case of Baixo Acaraú Irrigated Perimeter, Brazil Revista Ciência Agronômica, vol.
41, núm.
2, abril-junio, 2010, pp.
208-215 Universidade Federal do Ceará Ceará, Brasil Available in: http:--www.redalyc.org-articulo.oa?id=195314926006 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative Revista Ciência Agronômica, v.
41, n.
2, p.
208-215, abr-jun, 2010 Centro de Ciências Agrárias - Universidade Federal do Ceará, Fortaleza, CE www.ccarevista.ufc.br Scientific Article ISSN 1806-6690 Land use and groundwater quality: The case of Baixo Acaraú Irrigated Perimeter, Brazil1 Uso da terra e qualidade das águas subterrâneas: caso do Perímetro Irrigado Baixo Acaraú, Brasil Eunice Maia de Andrade2*, Fernando Bezerra Lopes3, Helba Araújo Queiroz Palácio4, Deodato do Nascimento Aquino5 e Deborah Mithya Barros Alexandre6 Abstract - The aim of this work was to identify and to investigate the determining factors of water table quality in the Irrigated Perimeter of Baixo Acaraú, Ceará, Brazil, using factor analysis-principal component analysis (FA-PCA).
It was sampled nine shallow wells spread out on two different types of land: uncultivated area (A1) and irrigated area (A2).
Groundwater was sampled monthly from Dec-2003 to Nov-2005, Nov-2006, Mar and April-2007.
We measured the following parameters: pH, electrical conductivity (EC), and concentrations of Na , Ca2 , Mg2 , K , Cl-, PO4-, NH4-, NO3-, SO4-2, HCO3- and CO3- 2.
The PCA resulted in a model co...





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