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Influence of Land Use and Sanitation Issues on Water Quality of an Urban Aquifer

Author

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  • Filipe Peixoto

    (Universidade do Estado do Rio Grande do Norte)

  • Itabaraci Nazareno Cavalcante

    (Universidade Federal do Ceará)

  • Diolande Ferreira Gomes

    (Universidade Federal do Ceará)

Abstract

In this study, we sought to determine whether there was a relationship between sanitary aspects and land use on nitrate contamination in an urban aquifer of Fortaleza city in the state of Ceará, Brazil. For this, we analyzed land use (constructed area, exposed soil, green area and lagoons) using orbital images with a special resolution of 5 m, as well as sanitary aspects (access to sewage service and use of septic tanks and rudimentary cesspits for domiciles). To study groundwater quality, we collected 30 samples to assess the physical-chemical parameters, including nitrate, nitrite and ammoniacal nitrogen. Sectors with little constructed area produce low concentrations of nitrogenic compounds. Most occupied areas had a significant influence on nitrite concentration, likely due to infiltration from runoff and the low natural recharge from atmospheric precipitation. Areas where >75% of the domiciles were linked to sewage service suffered little nitrate contamination in rainy periods, while areas where

Suggested Citation

  • Filipe Peixoto & Itabaraci Nazareno Cavalcante & Diolande Ferreira Gomes, 2020. "Influence of Land Use and Sanitation Issues on Water Quality of an Urban Aquifer," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 34(2), pages 653-674, January.
    • Handle: RePEc:spr:waterr:v:34:y:2020:i:2:d:10.1007_s11269-019-02467-6
    DOI: 10.1007/s11269-019-02467-6
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    Cited by:

    1. Aloísio José Bueno Cotta & Priscila Silvestre Fachetti & Renato Pereira Andrade, 2021. "Characteristics and impacts on the groundwater of the Guriri beach resort, São Mateus, ES, Brazil," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 23(7), pages 10601-10622, July.

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