Articles | Volume 12, issue 4
https://doi.org/10.5194/cp-12-943-2016
https://doi.org/10.5194/cp-12-943-2016
Research article
 | 
15 Apr 2016
Research article |  | 15 Apr 2016

The Last Glacial Maximum in the central North Island, New Zealand: palaeoclimate inferences from glacier modelling

Shaun R. Eaves, Andrew N. Mackintosh, Brian M. Anderson, Alice M. Doughty, Dougal B. Townsend, Chris E. Conway, Gisela Winckler, Joerg M. Schaefer, Graham S. Leonard, and Andrew T. Calvert

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Cited articles

Anderson, B. and Mackintosh, A.: Temperature change is the major driver of late-glacial and Holocene glacier fluctuations in New Zealand, Geology, 34, 121–124, 2006.
Anderson, B. and Mackintosh, A.: Controls on mass balance sensitivity of maritime glaciers in the Southern Alps, New Zealand: The role of debris cover, J. Geophys. Res.-Earth, 117, F01003, https://doi.org/10.1029/2011JF002064, 2012.
Anderson, B., Mackintosh, A., Stumm, D., George, L., Kerr, T., Winter Billington, A., and Fitzsimons, S.: Climate sensitivity of a high-precipitation glacier in New Zealand, J. Glaciol., 56, 114–128, 2010.
Anderson, B. A., Mackintosh, A. N., Oerlemans, J., Mullan, B., Zammit, C., and Sood, A.: Modeled response of debris-covered and lake-calving glaciers to warming, Southern Alps, New Zealand, in preparation, 2016.
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Short summary
Geological evidence for past changes in glacier length provides a useful source of information about pre-historic climate change. We have used glacier modelling to show that air temperature reductions of −5 to −7 °C, relative to present, are required to simulate the glacial extent in the North Island, New Zealand, during the last ice age (approx. 20000 years ago). Our results provide data to assess climate model simulations, with the aim of determining the drivers of past natural climate change.