2015 IEEE/OES Acoustics in Underwater Geosciences Symposium (RIO Acoustics) 2015
DOI: 10.1109/rioacoustics.2015.7473647
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Preliminary results onmid-depth circulation features on Rio Grande Rise

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Cited by 5 publications
(6 citation statements)
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“…Currents around RGR are strong (up to 50 cm•s −1 ) but variable due to tidal effects [21]. The horizontal current velocity at the seabed is enhanced along the shallower areas of the RGR main plateau [14], which may promote Fe-Mn crust erosion.…”
Section: Study Areamentioning
confidence: 99%
“…Currents around RGR are strong (up to 50 cm•s −1 ) but variable due to tidal effects [21]. The horizontal current velocity at the seabed is enhanced along the shallower areas of the RGR main plateau [14], which may promote Fe-Mn crust erosion.…”
Section: Study Areamentioning
confidence: 99%
“…These parameters may drive drastic changes in communities (Levin et al, 2001) and account for differences between the Northeast, Center/South, and Southwest regions. Currents around RGR are strong (up to 50 cm/s) but variable due to tidal effects (Harlamov et al, 2015). The horizontal current velocity at the seabed is enhanced along with the shallower areas of the RGR summit plateaus (Montserrat et al, 2019) and the collected crusts show signs of erosion, indicating strong currents (Benites et al, 2020), as well as ripple marks found in soft sediment (this work).…”
Section: Discussionmentioning
confidence: 55%
“…Besides, based on the Sr age of 22 Ma for limestone D10_003, as discussed below, the summit of RGR was likely shallower at the time of calcite cementation. Finally, a relatively strong bottom current (50 cm s −1 ) at the RGR seafloor (Harlamov et al., 2015; Lisniowski et al., 2017) would facilitate seafloor carbonate cementation and hardground formation because the vigorous bottom currents enhance diffusion and the exhumation of lithified carbonates, and prevent fine‐grained sedimentation (Noé et al., 2006). As a result, the decreased porosity and permeability of the lithified limestone may have prevented or minimized phosphatization, which contrasts with the unconsolidated pelagic sediment in which phosphatization was facilitated by high porosity and permeability.…”
Section: Resultsmentioning
confidence: 99%