Detailed Seafloor Imagery of Turbidity Current Bedforms Reveals New Insight Into Fine‐Scale Near‐Bed Processes
نویسندگان
چکیده
High-resolution imagery of the morphological character modern active turbidite systems are critical for understanding complexity turbidity current processes occurring on seafloor. Here, we describe a 30 cm-resolution autonomous underwater vehicle repeat bathymetric dataset that allows to significantly increase geomorphological detail crescentic bedforms in systems. This shows erosion produced by dense basal layers at base currents, inception plunge pools, and controls hydraulic jump troughs have subsequent flow path weaker currents. Transverse small-scale scours located cyclic step suggest weak flows follow local relief, therefore explaining wide variability indicators observed outcrops. demonstrates formed superimposition surfaces depositional patterns recording contrasted behavior provides new views natural environments.
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ژورنال
عنوان ژورنال: Geophysical Research Letters
سال: 2022
ISSN: ['1944-8007', '0094-8276']
DOI: https://doi.org/10.1029/2021gl097389