Space-for-time substitution and the evolution of a submarine canyon–channel system in a passive progradational margin

Micallef, Aaron; Ribó, Marta; Canals, Miquel; Puig, Pere; Lastras, Galderic; Tubau, Xavier

doi:10.1016/j.geomorph.2014.06.008

Cited by 33 publications

(17 citation statements)

References 108 publications

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“…Negative reliefs, especially on the continental slope, are considered conduits for sediment transport, and evolve through geological time, channelizing sediment gravity flows that are derived primarily from the canyon head or canyon flanks failures [147]. Therefore, submarine canyons and channels are commonly associated with slope failures [148][149][150], sediment gravity flows [151,152], and mobile bedforms [153].…”

Section: Negative Reliefsmentioning

confidence: 99%

Marine Geohazards: A Bibliometric-Based Review

et al. 2019

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Marine geohazard research has developed during recent decades, as human activities intensified towards deeper waters. Some recent disastrous events (e.g., the 2004 Indian Ocean and 2011 Japan tsunamis) highlighted geohazards socioeconomic impacts. Marine geohazards encompass an extensive list of features, processes, and events related to Marine Geology. In the scientific literature there are few systematic reviews concerning all of them. Using the search string ‘geohazard*’, this bibliometric-based review explored the scientific databases Web of Science and Scopus to analyze the evolution of peer-reviewed scientific publications and discuss trends and future challenges. The results revealed qualitative and quantitative aspects of 183 publications and indicated 12 categories of hazards, the categories more studied and the scientific advances. Interdisciplinary surveys focusing on the mapping and dating of past events, and the determination of triggers, frequencies, and current perspectives of occurrence (risk) are still scarce. Throughout the upcoming decade, the expansion and improvement of seafloor observatories’ networks, early warning systems, and mitigation plans are the main challenges. Hazardous marine geological events may occur at any time and the scientific community, marine industry, and governmental agencies must cooperate to better understand and monitor the processes involved in order to mitigate the resulting unpredictable damages.

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Section: Negative Reliefsmentioning

confidence: 99%

Marine Geohazards: A Bibliometric-Based Review

et al. 2019

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“…The model identifies a sequence of evolutionary stages which are classified based on a suite of morphometric indices and associated processes. Micallef et al (2014) proposed a morphological model of submarine valley evolution based on space-for-time substitution by using multi-beam echosounder data and in-situ measurements from the south Ebro Margin. The model is similar to the established models in earlier research, which confirms the validity of space-for-time substitution in reconstructing the evolution of a submarine canyon-channel system in a passive progradational margin.…”

Section: Estuarine and Coastal Landformmentioning

confidence: 99%

Space-for-time substitution in geomorphology

et al. 2019

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Geomorphic evolution often presents a spatial pattern of a "young to old" distribution under certain natural environmental conditions, whereby sampling the geomorphic types and characteristics in spatial sequence can provide evidence for the individual landform evolution and change. This so-called space-for-time substitution has been a methodology in geomorphologic research. This paper firstly introduced the basic concepts and background of the space-for-time substitution, then a full review has been conducted of recent research progress in geomorphic evolution based on the space-for-time substitution, such as fluvial landform, structural landform, estuarine landform and coastal landform. Finally, the basic principle of space-for-time substitution in geomorphology is developed. This review is intended to introduce the achievements of geomorphic evolution research using space-for-time substitution method and to point out the critical research needs to better understand and predict the geomorphic evolution in the future.

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“…Geomorphometric investigations of submarine canyon form have generally focused on using morphological data to propose model of canyon erosion by turbidity currents (Mitchell, 2004(Mitchell, , 2005Vachtman et al, 2013). More recently, specific geomorphometric techniques have been used to demonstrate how canyons in passive, progradational margins develop into geometrically self-similar systems that approach steady state and higher drainage efficiency (Micallef et al, 2014b), and how canyons in active margins fail to reach steady state because of continuous adjustment to perturbations associated with tectonic displacements and base-level change (Micallef et al, 2014a). The geomorphometric study of volcanoes has Table 2.…”

Section: Marine Geomorphology Geophysics and Geohazardsmentioning

confidence: 99%

A review of marine geomorphometry, the quantitative study of the seafloor

Lecours

Dolan

Micallef

et al. 2016

Hydrol. Earth Syst. Sci.

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178

120

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Abstract. Geomorphometry, the science of quantitative terrain characterization, 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 (GISs) and spatial analysis software has prompted interest in employing geomorphometric techniques to investigate the marine environment. Over the last decade or so, a multitude of geomorphometric techniques (e.g. terrain attributes, feature extraction, automated classification) have been applied to characterize 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 geomorphometry applications and it is important that, in developing marine geomorphometry, we learn from experiences in terrestrial studies. However, not all terrestrial solutions can be adopted by marine geomorphometric studies since the dynamic, fourdimensional (4-D) nature of the marine environment causes its own issues throughout the geomorphometry workflow. For instance, issues with underwater positioning, variations in sound velocity in the water column affecting acousticbased mapping, and our inability to directly observe and measure depth and morphological features on the seafloor are all issues specific to the application of geomorphometry in the marine environment. Such issues fuel the need for a dedicated scientific effort in marine geomorphometry.This review aims to highlight the relatively recent growth of marine geomorphometry as a distinct discipline, and offers the first comprehensive overview of marine geomorphometry to date. We address 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 and similarities from terrestrial geomorphometry. We conclude with recommendations and reflections on the future of marine geomorphometry. To ensure that geomorphometry is used and developed to its full potential, there is a need to increase awareness of (1) marine geomorphometry amongst scientists already engaged in terrestrial geomorphometry, and of (2) geomorphometry as a science amongst marine scientists with a wide range of backgrounds and experiences.

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Space-for-time substitution and the evolution of a submarine canyon–channel system in a passive progradational margin

Cited by 33 publications

References 108 publications

Marine Geohazards: A Bibliometric-Based Review

Marine Geohazards: A Bibliometric-Based Review

Space-for-time substitution in geomorphology

A review of marine geomorphometry, the quantitative study of the seafloor

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