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Assessment of groundwater vulnerability in the Rio Artiguas basin, Nicaragua

In English

Författare

Summary, in English

The Rio Artiguas basin in central Nicaragua shows a distinctive case of environmental deterioration due to anthropogenic activities. Heavy metals used in gold mining and other wastes are continuously released into the rivers, representing a threat to the water quality. This article aims to evaluate the groundwater intrinsic vulnerability in the Rio Artiguas basin and to provide information for sustainable use of water resources. The DRASTIC and GOD methods were used to analyse the relative pollution potential within the basin. DRASTIC was modified to include the degree of influence that geological structures have on the vulnerability. Moderate vulnerability areas cover most of the basin along stream valleys and lowlands, increasing downstream in the basin. The resulting vulnerability maps show that the limited groundwater resources are susceptible to surface water pollution as high vulnerability areas converge along the river valleys.

Avdelning/ar

Publiceringsår

2006

Språk

Engelska

Sidor

569-580

Publikation/Tidskrift/Serie

Environmental Geology

Volym

50

Issue

4

Dokumenttyp

Artikel i tidskrift

Ämne

  • Geotechnical Engineering

Nyckelord

  • Nicaragua
  • GOD
  • vulnerability
  • DRAS-TIC
  • Rio Artiguas

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 0943-0105