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Title: Characterising the ocean frontier : a review of marine geomorphometry
Authors: Lecours, Vincent
Dolan, Margaret F. J.
Micallef, Aaron
Lucieer, Vanessa L.
Keywords: Geomorphology -- Research
Marine habitats
Submarine geology -- Research
Marine sediments -- Quality
Geology -- Research
Issue Date: 2016
Publisher: Copernicus GmbH
Citation: Lecours, V., Dolan, M. F., Micallef, A., & Lucieer, V. L. (2016). Characterising the ocean frontier: a review of marine geomorphometry. Hydrology and Earth System Sciences Discussions, 1-66.
Abstract: Geomorphometry, the science that quantitatively describes terrains, has traditionally focused on the investigation of terrestrial landscapes. However, the dramatic increase in the availability of digital bathymetric data and the increasing ease by which geomorphometry can be investigated using Geographic Information Systems (GIS) has prompted interest in employing geomorphometric techniques to investigate the marine environment. Over the last decade, a suite of geomorphometric techniques have been applied (e.g. terrain attributes, feature extraction, automated classification) to investigate the characterisation of seabed terrain from the coastal zone to the deep sea. Geomorphometric techniques are, however, not as varied, nor as extensively applied, in marine as they are in terrestrial environments. This is at least partly due to difficulties associated with capturing, classifying, and validating terrain characteristics underwater. There is nevertheless much common ground between terrestrial and marine geomorphology applications and it is important that, in developing the science and application of marine geomorphometry, we build on the lessons learned from terrestrial studies. We note, however, that not all terrestrial solutions can be adopted by marine geomorphometric studies since the dynamic, four- dimensional nature of the marine environment causes its own issues, boosting the need for a dedicated scientific effort in marine geomorphometry. This contribution offers the first comprehensive review of marine geomorphometry to date. It addresses all the five main steps of geomorphometry, from data collection to the application of terrain attributes and features. We focus on how these steps are relevant to marine geomorphometry and also highlight differences from terrestrial geomorphometry. We conclude with recommendations and reflections on the future of marine geomorphometry.
Appears in Collections:Scholarly Works - FacSciGeo

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