Use of geophysics to support water security and increase community awareness on Milingimbi Island, northern Australia

Eddie Banks, Okke Batelaan, Kevin Cahill, Peter Cook, William Dean, Joanna Ellis, Lauren Houthuysen, Vincent Post

Research output: Contribution to journalConference article

Abstract

Over the last thirty years, groundwater pumping to supply water to the community on Milingimbi Island has resulted in declining water levels and increasing groundwater salinity towards the end of the dry season. Recent studies have indicated that that the limited groundwater supply may not be capable of supplying future water needs of the community, which is planned to grow significantly in the next few decades. This study used geophysical and hydrogeological methods to characterise the hydrological system on the island, constrain recharge rates and evaluate the risk of saltwater intrusion. As part of this investigation local community members from the island were engaged in training and use of near-surface geophysical instruments, as well as to share their knowledge so that it could be integrated into the investigation.

Original languageEnglish
Pages (from-to)4963-4967
Number of pages5
JournalSEG Technical Program Expanded Abstracts
DOIs
Publication statusPublished - 19 Aug 2015
EventSEG New Orleans Annual Meeting, SEG 2015 - New Orleans, United States
Duration: 18 Oct 201123 Oct 2011

Keywords

  • electromagnetic
  • electrical/resistivity
  • conductivity
  • borehole geophysics
  • groundwater

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