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Three-Dimensional Morphometric Analysis of the Columbretes Grande Turbidite Channel (Ebro Continental Margin, NW Mediterranean)

Year: 2025
Type: article
Abstract: Turbidite channels are final conduits for the transfer of terrigenous detritus to the deep-sea depositional systems. Studying their morphology and geometric parameters can provide information on density flow characteristics and sedimentary processes, making it an objective and quantitative way to differentiate the deep-sea deposits they feed, which are of special interest to the oil industry. In this work, the morphology is studied, the main geometric parameters are calculated, and the potential sedimentary fill of a turbiditic channel, the Columbretes Grande channel, located on the Ebro continental margin (NW Mediterranean Sea), is reconstructed and visualized in 3D. This complete morphometric analysis shows a concave and smooth channel indicating a profile in equilibrium with local evidence of erosion. Considering the height of the flanks (< 150 m), the existence of well-developed levees, the high sinuosity of some of its reaches, and the relatively low slopes, the channel can be classified as depositional. The sinuosity index is close to 2 in some courses, and the gentle slopes suggest that the fine-grained turbidity currents that episodically circulate in its interior reach the channel’s end.
Source: Geosciences
DOI: 10.3390/geosciences15080318
Language: English
Open Access status: gold
Estimated APC paid: $2,172
OpenAlex ID: W4413380310
FWCI:
Cites: 62
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Related to: 10