Investigating the Geothermal Signature of the Kaimai Tunnel, New Zealand

Show simple item record Ramadhan, Y en Zarrouk, Sadiq en Katherine, L en
dc.coverage.spatial Rotorua, New Zealand en 2018-10-03T00:24:30Z en 2017-11-24 en
dc.identifier.uri en
dc.description.abstract The Kaimai Tunnel passes through the Kaimai Ranges in the North Island, which mark the boundary between the Waikato and the Bay of Plenty Regions. The existence of the hot springs in the tunnel has been known for some time, but these springs have not been sampled or studied before. The objectives of this study is to sample the springs and determine the natural setting of the Kaimai tunnel springs and assess the type of geothermal system. Six water samples from seepages in the tunnel have been analyzed for the water chemistry, and the results used to classify the water source, characteristic and geothermometry. In addition, the Cl-B-HCO3 diagram applied in this method can distinguish the water source from different aquifers. Results indicate that the springs have the same shallow groundwater source. The water is shown to be immature water, that has not reached equilibrium. There is no indication that the springs come directly from a deep reservoir. The springs in Kaimai Tunnel are interpreted not to be related to geothermal activity, their slightly elevated temperatures are related to the natural temperature gradient inside the tunnel. en
dc.relation.ispartof Proceedings 39th New Zealand Geothermal Workshop 22 - 24 November 2017 en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. en
dc.rights.uri en
dc.title Investigating the Geothermal Signature of the Kaimai Tunnel, New Zealand en
dc.type Conference Item en
dc.rights.holder Copyright: The author en
pubs.finish-date 2017-11-24 en
pubs.start-date 2017-11-22 en
dc.rights.accessrights en
pubs.subtype Proceedings en
pubs.elements-id 716628 en Engineering en Engineering Science en
pubs.record-created-at-source-date 2017-11-21 en

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