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Groundwater movement and management in tube-fed lavas


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Kiernan, K and Middleton, G 2005 , 'Groundwater movement and management in tube-fed lavas', paper presented at the Proceedings of the 15th Australasian Conference on Cave and Karst Management, 5-11 May 2003, Chillagoe, North Queensland.

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Sinking surface streams and large springs imply
integrated underground drainage systems can
sometimes exist within lava flows. Lava tube
caves that contain underground streams have
been reported from various parts of the world but
various other structures are generally more
important for groundwater movement. Complex
fissured and conduit aquifers may result, but it is
unwise to draw too close an analogy with karst
environments. Nevertheless, there are some
interesting comparisons to be made in relation to
aquifer structure and function. Some aquifers in
lava provide important water supplies that may be
placed at risk of contamination if their potential
vulnerability is not taken into account in
management. Some field observations from
Iceland, South Korea, Mauritius, Hawaii, Samoa
and Australia are recorded.

Item Type: Conference or Workshop Item (Paper)
Authors/Creators:Kiernan, K and Middleton, G
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