Influencia de la agricultura intensiva en el contenido de nitratos de las aguas del Campo de Dalías: Evolución temporal y espacial

• R. Jiménez Espinosa ^[1] ; L. Molina Sánchez ^[2] ; A. Pulido Bosch ^[3] ; F. Navarrete López Cózar ^[2]
  1. [1] Dpto. Geología. Escuela Politécnica Superior. Univ. Jaén. Avda. Madrid, 35, 23071, Jaén.
  2. [2] Dpto. Hidrogeologfa y Química Analítica. Facultad de Ciencias Experimentales. Univ. Almerfa. Cañada de San Urbano, s/n. 04071, Almería.
  3. [3] Dpto. Geodinámica. Facultad de Ciencias. Univ. Granada. Avda. Fuentenueva, s/n, 18071, Granada

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• Localización: Geogaceta, ISSN 0213-683X, Nº. 20, 6 (Comunicaciones presentadas en el IV Congreso Nacional de Geología, Alcalá de Henares, 1996), 1996, págs. 1281-1284
• Idioma: español
• Títulos paralelos:
  • lnfluence of the intensive agriculture in the nitrate contens in Campo de Dalías waters: Time and spatial evolution
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• Resumen

  • Seasonal nitrate contents in the aquifer of Campo de Dalías have been studied during the period of 1988 to 1990. In this area, agricultural activities cover more than 20.000 ha. We have considered two aquifer systems, 51 and 52, in which we have calculated sorne exploratory statistics and maps of spacetime evolution in each of them. The deepest system 51 is not very polluted, but there is a general rising trend evidenced clearly in 1990. In system 52 appears a trend to reduce concentrations through time. Pollution is mainly in relation to the use of fertilizers.