Articles | Volume 67, issue 1
E&G Quaternary Sci. J., 67, 25–31, 2018
https://doi.org/10.5194/egqsj-67-25-2018
E&G Quaternary Sci. J., 67, 25–31, 2018
https://doi.org/10.5194/egqsj-67-25-2018

Express report 28 Aug 2018

Express report | 28 Aug 2018

Disestablishing “Glacial Lake Speight”, New Zealand? An example for the validity of detailed geomorphological assessment with the study of mountain glaciations

Stefan Winkler et al.

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Cited articles

Barrell, D. J. A., Andersen, B. G., and Denton, G. H.: Glacial geomorphology of the Central South Island, GNS Science Monographs, 27, Lower Hutt, New Zealand, 2011. 
Borsellino, R., Shulmeister, J., and Winkler, S.: Glacial geomorphology of the Brabazon and Butler Downs in the Rangitata Valley, New Zealand. J. Maps, 13, 502–510, https://doi.org/10.1080/17445647.2017.1336122, 2017. 
Brardinoni, F., Picotti, V., Maraio, S., Bruno P. P., Cucato, M., Morelli, C., and Mair, V.: Postglacial evolution of a formerly glaciated valley: Reconstructing sediment supply, fan building, and confluence effects at the millennial time scale, online first, Geol. Soc. Am. B., https://doi.org/10.1130/B31924.1, 2018. 
Bunting, D. G.: Lake Pukaki shore-line stability: a preliminary engineering geological investigation, Unpublished MSc thesis, University of Canterbury, Christchurch, New Zealand, 1977. 
Davies, T. R. H.: Mountain process geomorphology: Conceptual progress in the Southern Alps, in: Landscape and Quaternary Environmental Change in New Zealand, edited by: Shulmeister, J., Atlantis Press, 205–233, 2016. 
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Short summary
Geomorphological mapping and analysis conducted as an initial step towards a future sediment budget study of the middle Waimakariri River (Southern Alps, New Zealand) reveals that the traditional concept of the temporary palaeolake glacial Lake Speight is conflicting with our conclusions of realistic chronosequences and timescales of para- and postglacial landform development. Especially the temporal and causal relation to the last deglaciation needs to be questioned and will be discussed.