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Aquifer structure and contamination risk in lava flows: insights from Iceland and Australia

journal contribution
posted on 2023-05-16, 14:48 authored by Kiernan, K, Wood, C, Middleton, G
Relatively recent recognition of the importance of endogenous lava emplacement mechanisms requires updating of groundwater models for some volcanic terranes because voids produced during lava inflation play a more significant role in their hydrogeology than has generally been recognised. Highly integrated, underground drainage systems in some very young lava flows in Iceland exemplify the potentially complex, fissured and conduit aquifers which may exist. Similarities between such aquifers and easily polluted, karstic conduit aquifers suggest greater research and more careful and protective management of some volcanic aquifers are warranted. Interpretation of aquifer structure can be impeded on very old lava flows by superimposition of sediments and accumulation of weathering residues but, if emplacement was by endogenous processes, then relicts of similar void systems may persist and pose similar hazards.

History

Publication title

Environmental Geology

Volume

43

Issue

7

Pagination

852-865

ISSN

0943-0105

Department/School

School of Geography, Planning and Spatial Sciences

Publisher

Springer-Verlag

Place of publication

Berlin, Germany

Repository Status

  • Restricted

Socio-economic Objectives

Other environmental management not elsewhere classified

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