Express report E&G Quaternary Sci. J., 67, 25–31, 2018 https://doi.org/10.5194/egqsj-67-25-2018 © Author(s) 2018. This work is distributed under the Creative Commons Attribution 4.0 License. Disestablishing “Glacial Lake Speight”, New Zealand? An example for the validity of detailed geomorphological assessment with the study of mountain glaciations Stefan Winkler1, David Bell2, Maree Hemmingsen3, Kate Pedley2, and Anna Schoch4 1Department of Geography and Geology, University of Würzburg, Am Hubland, 97074 Würzburg, Germany 2Department of Geological Sciences, University of Canterbury, Private Bag 4800, Christchurch 8140, New Zealand 3Primary Science Solutions Ltd., Woodbury Street 75, Russley, Christchurch 8042, New Zealand 4Department of Geography, University of Bonn, Meckenheimer Allee 166, 53115 Bonn, Germany Correspondence: Stefan Winkler (
[email protected]) Relevant dates: Received: 30 May 2018 – Revised: 10 August 2018 – Accepted: 21 August 2018 – Published: 28 August 2018 How to cite: Winkler, S., Bell, D., Hemmingsen, M., Pedley, K., and Schoch, A.: Disestablishing “Glacial Lake Speight”, New Zealand? An example for the validity of detailed geomorphological assessment with the study of mountain glaciations, E&G Quaternary Sci. J., 67, 25–31, https://doi.org/10.5194/egqsj- 67-25-2018, 2018. 1 Introduction implications beyond these fluvial aspects. Palaeoseismolog- ical studies claim to have detected signals of major Alpine The middle Waimakariri River catchment in the Southern Fault earthquakes in coastal environments along the eastern Alps of New Zealand, informally defined here as its reach up- seaboard of the South Island (McFadgen and Goff, 2005). stream of Waimakariri Gorge to the junction of Bealey River This requires high connectivity between the lower reaches of (Fig.