Fluvial dissection, isostatic uplift, and geomorphological evolution of volcanic islands (Gran Canaria, Canary Islands, Spain)

Menéndez, Inmaculada; Silva, Pablo G.; Martín-Betancor, Moisés; Torrado, Francisco José Pérèz; Guillou, Hervé; Scaillet, Stéphane

doi:10.1016/j.geomorph.2007.06.022

Cited by 90 publications

(75 citation statements)

References 32 publications

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“…Likewise, islands located near active plate margins may experience uplift as a result of dynamic topography (near divergent plate margins) or plate flexure/buckling associated with outer trench rise (near convergent plate margins) (Karig et al, 1976;Melosh, 1978). The role of flexural rebound associated with mass wasting and erosional unloading may also add a modest contribution to uplift, as has been suggested to some of the Hawaiian and the Canary Islands (Smith and Wessel, 2000;Menendez et al, 2008). A detailed appraisal of oceanic island uplift mechanisms, magnitudes and rates is outside the scope of this paper; for that we recommend the reader to works such as Smith and Wessel (2000); Zhong and Watts (2002); Ali et al (2003); Klügel et al (2005a); Ramalho et al (2010a,b); Madeira et al (2010);McMurtry et al (2010);Ramalho (2011).…”

Section: Uplift Vs Subsidencementioning

confidence: 95%

“…The evolution of oceanic island systems is, thus, somewhat different according to the different geodynamic/geographic settings where the hotspots are located (Menard and Ladd, 1963;Menard, 1986;Schmincke, 2004;Ramalho, 2011). On fast-moving plates, the evolution of oceanic island systems is generally characterized by short edifice magmatic lifetimes and a long-term subsidence trend -creating linear age-progressive chains (Morgan et al, 1995;Lipman and Calvert, 2013); conversely, on stationary or slow-moving plates, oceanic islands tend to occur in a cluster, typically have longer magmatic lives, and barely subside or experience uplift (Carracedo, 1999;Schmincke, 2004;Menendez et al, 2008;Ramalho et al, 2010a,b,c;Madeira et al, 2010;Ramalho, 2011). Nevertheless, despite the many differences found across hotspot systems, most oceanic island volcanoes can be described through a set of main evolutionary stages.…”

Section: Oceanic Hotspot Island Evolution and Development Of Coastlinesmentioning

confidence: 99%

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Coastal evolution on volcanic oceanic islands: A complex interplay between volcanism, erosion, sedimentation, sea-level change and biogenic production

Ramalho¹,

Quartau

Trenhaile

et al. 2013

Earth-Science Reviews

160

147

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The growth and decay of oceanic hotspot volcanoes are intrinsically related to a competition between volcanic construction and erosive destruction, and coastlines are at the forefront of such confrontation. In this paper, we review the several mechanisms that interact and contribute to the development of coastlines on oceanic island volcanoes, and how these processes evolve throughout the islands' lifetime. Volcanic constructional processes dominate during the emergent island and subaerial shield-building stages. During the emergent island stage, surtseyan activity prevails and hydroclastic and pyroclastic structures form; these structures are generally ephemeral because they can be rapidly obliterated by marine erosion. With the onset of the subaerial shield-building stage, coastal evolution is essentially characterized by rapid but intermittent lateral growth through the formation of lava deltas, largely expanding the coastlines until they, typically, reach their maximum extension. With the post-shield quiescence in volcanic activity, destructive processes gradually take over and coastlines retreat, adopting a more prominent profile; mass wasting and marine and fluvial erosion reshape the landscape and, if conditions are favorable, biogenic processes assume a prominent role. Posterosional volcanic activity may temporarily reverse the balance by renewing coastline expansion, but islands inexorably enter in a long battle for survival above sea level. Reef growth and/or uplift may also prolong the island's lifetime above the waves. The ultimate fate of most islands, however, is to be drowned through subsidence and/or truncation by marine erosion.Keywords complex, interplay, between, volcanism, erosion, sedimentation, sea, level, islands, change, coastal, biogenic, production, oceanic, evolution, volcanic, GeoQuest Disciplines Medicine and Health Sciences | Social and Behavioral Sciences Publication DetailsRamalho, R. S., Quartau, R., Trenhaile, A. S., Mitchell, N. C., Woodroffe, C. D. & Avila, S. P. (2013). Coastal evolution on volcanic oceanic islands: a complex interplay between volcanism, erosion, sedimentation, sealevel change and biogenic production. Earth-Science Reviews, 127 140-170. AbstractThe growth and decay of oceanic hotspot volcanoes are intrinsically related to a competition between volcanic construction and erosive destruction, and coastlines are at the forefront of such confrontation. In this paper, we review the several mechanisms that interact and contribute to the development of coastlines on oceanic island volcanoes, and how these processes evolve throughout the islands' lifetime. Volcanic constructional processes dominate during the emergent island and subaerial shield-building stages. During the emergent island stage, surtseyan activity prevails and hydroclastic and pyroclastic structures form; these structures are generally ephemeral because they can be rapidly obliterated by marine erosion. With the onset of the subaerial shield-building stage, coastal evolution is essentially ch...

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Section: Uplift Vs Subsidencementioning

confidence: 95%

Section: Oceanic Hotspot Island Evolution and Development Of Coastlinesmentioning

confidence: 99%

Coastal evolution on volcanic oceanic islands: A complex interplay between volcanism, erosion, sedimentation, sea-level change and biogenic production

Ramalho¹,

Quartau

Trenhaile

et al. 2013

Earth-Science Reviews

160

147

View full text Add to dashboard Cite

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“…The island shows a clear climatic distinction between the southern flanks, with arid to semi-arid conditions, and the northern flanks that are characterized by humid to sub-humid climatic conditions. Combining the climatic conditions and the age of volcanism, the island can be subdivided into four sectors: 'young' eastern sector with arid (SE) and humid (NE) climates and an 'old' western sector with the same internal climatic subdivision (Menendez et al 2008).…”

Section: Gran Canaria Geological and Geomorphological Characterizationmentioning

confidence: 99%

“…After this volcanic activity, an intense strong erosional trend took place (Carracedo et al 2002), cutting deep the slopes of the shield volcano and forming the present-day network of ravines, locally known as 'barrancos'. At present the residual slopes of the shield edifice dominates the southern sector of the island (Menendez et al 2008). During this erosional phase, in the S-SE and N-NW sectors of the island a high volume of alluvial and fan-delta sediments was deposited, forming the 'Las Palmas Detritic Formation' (Schmincke 1993).…”

Section: Gran Canaria Geological and Geomorphological Characterizationmentioning

confidence: 99%

“…A new intense volcanic phase (Roque Nublo stratovolcano) took place in the central part of the island where lava and pyroclastic flows filled the valleys carved in the northern flank of the shield edifice, generating extensive northward sloping platform-lava surfaces that were subsequently reincised by the action of new quaternary barrancos (Menendez et al 2008). After the construction of the Roque Nublo stratovolcano several giant landslides, flank collapses and debris avalanches developed (Lomoschitz et al 2008).…”

Section: Gran Canaria Geological and Geomorphological Characterizationmentioning

confidence: 99%

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Fast detection of ground motions on vulnerable elements using Sentinel-1 InSAR data

Solari

Barra

Herrera

et al. 2017

Geomatics, Natural Hazards and Risk

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The detection of active movements that could threat the infrastructures and the population is one of the main priorities of the risk management chain. Interferometric Synthetic Aperture Radar (InSAR) techniques represent one of the most useful answers to this task; however, it is difficult to manage the huge amount of information derived from the interferometric analysis. In this work, we present a procedure for deriving impact assessment maps, over a regional test site, using as starting point Sentinel-1 SAR (Synthetic Aperture Radar) images and a catalogue of elements at risk that acts as a second input of the methodology. We applied the proposed approach, named as Vulnerable Elements Activity Maps (VEAM), to the islands of Gran Canaria, La Gomera and Tenerife (Spain), where we analysed SAR images covering the time interval November 2014-September 2016. The methodology, meant to be a powerful tool for reducing the time needed for a complete analysis of a full stack of InSAR data, is ideally suited for Civil Protection Authorities. The application of the methodology allowed to detect 108 areas affected by active deformation that are threatening one or more elements at risk in 25 municipalities of the three islands.

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Controls on the Hydrological and Topographic Evolution of Shield Volcanoes and Volcanic Ocean Islands

Jefferson

Ferrier²,

Perron

et al. 2014

Geophysical Monograph Series

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Volcanic ocean islands and shield volcanoes form superb natural experiments for investigating changes in topography and hydrology over geologic time. As volcanoes age, their surfaces evolve from un-dissected, highpermeability landscapes into deeply dissected, low-permeability terrain. Here we review the tight links and co-evolution of topographic and hydrologic processes in volcanic landscapes. We discuss a number of factors that affect rates and patterns of hydrological and topographic co-evolution, including soil development, spatial and temporal variability of water availability, flank collapses, geologic architecture, and the tectonic history of subsidence or uplift. To illustrate the effects of climate on volcanic dissection, we compile a global dataset of volcanic landscapes and ages that suggests that substantial dissection begins between 0.5 and 2 million years after construction, with volcanoes in high-precipitation regions tending to become dissected more quickly than those in drier regions. Obtaining a deeper understanding of volcanic landscape evolution will require further research on several topics, such as the sensitivity of river incision to fluctuations in precipitation, the hydrologic responses of soil to chemical weathering and dust deposition, the evolution of chemical and physical erosion rates over a volcano's lifetime, the role of hydrology in triggering of flank collapses, and the extent to which the long-term evolution of an island is determined by the initial and boundary conditions set by geologic structure and regional tectonics.

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Fluvial dissection, isostatic uplift, and geomorphological evolution of volcanic islands (Gran Canaria, Canary Islands, Spain)

Cited by 90 publications

References 32 publications

Coastal evolution on volcanic oceanic islands: A complex interplay between volcanism, erosion, sedimentation, sea-level change and biogenic production

Coastal evolution on volcanic oceanic islands: A complex interplay between volcanism, erosion, sedimentation, sea-level change and biogenic production

Fast detection of ground motions on vulnerable elements using Sentinel-1 InSAR data

Controls on the Hydrological and Topographic Evolution of Shield Volcanoes and Volcanic Ocean Islands

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