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Earth Surface Dynamics An interactive open-access journal of the European Geosciences Union
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Groundwater erosion of coastal gullies along the Canterbury coast (New Zealand): a rapid and episodic process controlled by rainfall intensity and substrate variability

8 January 2021

The authors study coastal gullies along the Canterbury coast of New Zealand using field observations, sample analyses, drones, satellites, geophysical instruments and modelling. They show that these coastal gullies form when rainfall intensity is higher than 40 mm per day. The coastal gullies are formed by landslides where buried channels or sand lenses are located. This information allows them to predict where coastal gullies may form in the future.


The press release from the University of Malta (UM) can be found at: https://www.um.edu.mt/newspoint/news/2021/01/canterbury-coast-marcan

Groundwater erosion of coastal gullies along the Canterbury coast (New Zealand): a rapid and episodic process controlled by rainfall intensity and substrate variability
Micallef, A., Marchis, R., Saadatkhah, N., Pondthai, P., Everett, M. E., Avram, A., Timar-Gabor, A., Cohen, D., Preca Trapani, R., Weymer, B. A., and Wernette, P.
Earth Surf. Dynam., 9, 1–18, https://doi.org/10.5194/esurf-9-1-2021, 2021

Contact: Aaron Micallef (amicallef@geomar.de)

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