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

  1. R. Jiménez Espinosa 1
  2. L. Molina Sánchez 2
  3. A. Pulido Bosch 3
  4. 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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Journal:
Geogaceta

ISSN: 0213-683X

Year of publication: 1996

Issue: 20

Pages: 1281-1284

Type: Article

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Abstract

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.

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