Deep-sea fluid and sediment dynamics—Influence of hill-to seamount-scale seafloor topography

R Turnewitsch, S Falahat, J Nycander, A Dale… - Earth-Science …, 2013 - Elsevier
Deep-sea sediments play a central role in a wide range of subject areas. A number of
important controls on the formation of sedimentary deposits have been studied. However, to …

Recent sediment dynamics in hadal trenches: evidence for the influence of higher-frequency (tidal, near-inertial) fluid dynamics

R Turnewitsch, S Falahat, J Stehlikova, K Oguri… - Deep Sea Research …, 2014 - Elsevier
In addition to high hydrostatic pressure, scarcity of food is viewed as a factor that limits the
abundance and activity of heterotrophic organisms at great ocean depths, including hadal …

Scales of seafloor sediment resuspension in the northern Gulf of Mexico

AR Diercks, C Dike, VL Asper, SF DiMarco… - Elem Sci …, 2018 - online.ucpress.edu
Seafloor sediment resuspension events of different scales and magnitudes and the resulting
deep (> 1,000 m) benthic nepheloid layers were investigated in the northern Gulf of Mexico …

[HTML][HTML] Tidal influence on particulate organic carbon export fluxes around a tall seamount

R Turnewitsch, M Dumont, K Kiriakoulakis… - Progress in …, 2016 - Elsevier
As tall seamounts may be 'stepping stones' for dispersion and migration of deep open ocean
fauna, an improved understanding of the productivity at and food supply to such systems …

Particle sorting during sediment redistribution processes and the effect on 230Th‐normalized mass accumulation rates

F Marcantonio, M Lyle, R Ibrahim - Geophysical Research …, 2014 - Wiley Online Library
The 230Th method of determining mass accumulation rates (MARs) assumes that little to no
fractionation occurs during sediment redistribution processes at the seafloor. We examine …

Variations in export production, lithogenic sediment transport and iron fertilization in the Pacific sector of the Drake Passage over the past 400 kyr

MH Toyos, G Winckler, HW Arz… - Climate of the …, 2022 - cp.copernicus.org
Changes in Southern Ocean export production have broad biogeochemical and climatic
implications. Specifically, iron fertilization likely increased subantarctic nutrient utilization …

[PDF][PDF] 潮汐调和分析方法的回顾与展望

吕咸青, 潘海东, 王雨哲 - 海洋科学, 2021 - researchgate.net
潮汐作为海洋中最普遍的运动过程, 与国民经济建设密切相关. 潮汐调和分析作为使用最广泛的
潮汐数据分析方法, 从1921 年至今, 已历经100 年的发展历程. 本文对潮汐调和分析方法100 …

Seasonal variability of tides in the deep northern South China Sea

J Zhao, Y Zhang, Z Liu, Y Zhao, M Wang - Science China Earth Sciences, 2019 - Springer
Tides are the major energy source for ocean mixing, regulating the variation of oceanic
circulation and sediment transport in the deep sea. Here twenty months of high-resolution …

On the cycling of 231Pa and 230Th in benthic nepheloid layers

SYS Chen, O Marchal, PE Lerner, DC McCorkle… - Deep Sea Research …, 2021 - Elsevier
The naturally-occurring radionuclides protactinium-231 (231 Pa) and thorium-230 (230 Th)
are produced at approximately uniform rates in the ocean and thought to be removed from …

Residual β activity of particulate 234Th as a novel proxy for tracking sediment resuspension in the ocean

W Lin, L Chen, S Zeng, T Li, Y Wang, K Yu - Scientific reports, 2016 - nature.com
Sediment resuspension occurs in the global ocean, which greatly affects material exchange
between the sediment and the overlying seawater. The behaviours of carbon, nutrients …