Results 21 to 30 of about 457,707 (309)

Prevalence of strong bottom currents in the greater Agulhas system [PDF]

open access: yes, 2013
Deep current meter data and output from two high-resolution global ocean circulation models are used to determine the prevalence and location of strong bottom currents in the greater Agulhas Current system.
Arne Biastoch   +6 more
core   +1 more source

Discovering the Fine-Scale Morphology of the Gulf of Cádiz: An Underwater Imaging Analysis

open access: yesJournal of Marine Science and Engineering, 2022
The dense and deep water flow that leaves the Mediterranean Sea to the Atlantic flows through the upper and middle slope of the Gulf of Cádiz as a powerful bottom stream that models and interacts with bathymetry.
Raúl Jiménez-Romero   +4 more
doaj   +1 more source

Experiments on the dynamics of density currents [PDF]

open access: yes, 2016
Density currents occur when fluid of one density propagates along a horizontal boundary into fluid of a different density. In dam reservoirs, density currents are the main transport mechanism for the incoming sediments and they play an important role in ...
Ismail, Z.   +3 more
core   +1 more source

Tidal dynamics on the North Patagonian Argentinean Gulfs [PDF]

open access: yes, 2017
Semidiurnal (M2, S2, N2 and K2), diurnal (K1,O1 and P1) and quarter-diurnal (M4, MN4 and MS4) barotropic tides over the North Patagonian Gulfs of Argentina: San Matías, (SMG), Nuevo (NG) and San José (SJG) are examined using a regional numerical model ...
Palma, Elbio Daniel   +1 more
core   +1 more source

Evaluating Zr/Rb Ratio From XRF Scanning as an Indicator of Grain‐Size Variations of Glaciomarine Sediments in the Southern Ocean

open access: yesGeochemistry, Geophysics, Geosystems, 2020
The ln(Zr/Rb) count ratio derived from X‐ray fluorescence (XRF) core scanning holds potential as a high‐resolution tracer for grain‐size variations of glaciomarine sediments, and hence current strength.
Li Wu   +6 more
doaj   +1 more source

Giant Seafloor Depressions Caused by Slope Failures and Bottom Currents on the Namibia Continental Margin

open access: yesGeochemistry, Geophysics, Geosystems, 2021
More than 100 circular, elongate or crescent‐shaped very large seafloor depressions were found on the southern Namibian continental margin in water depths between 900 and 1700 m. These depressions show extraordinary sizes of up to 3 km diameter and 180 m
S. Wenau, V. Spiess, M. Zabel
doaj   +1 more source

Enhanced bottom-ice algal biomass across a tidal strait in the Kitikmeot Sea of the Canadian Arctic

open access: yesElementa: Science of the Anthropocene, 2019
Sea ice algae are an important contributor of primary production in the Arctic ecosystem. Within the bottom-ice environment, access to nutrients from the underlying ocean is a major factor controlling production, phenology, and taxonomic composition of ...
Laura A. Dalman   +8 more
doaj   +1 more source

Bottom-trapped currents as statistical equilibrium states above topographic anomalies [PDF]

open access: yes, 2012
Oceanic geostrophic turbulence is mostly forced at the surface, yet strong bottom-trapped flows are commonly observed along topographic anomalies. Here we consider the case of a freely evolving, initially surface-intensified velocity field above a ...
A. Venaille, Gill, Maltrud
core   +3 more sources

Vertical structure of bottom Ekman tidal flows: Observations, theory, and modeling from the northern Adriatic [PDF]

open access: yes, 2009
From September 2002 to May 2003, fifteen bottom‐ mounted, acoustic Doppler current profilers measured currents of the northern Adriatic basin. Tidal fluctuations at all seven of the major Adriatic frequencies were synthesized from a response tidal ...
Book, J. W.   +4 more
core   +2 more sources

Wind-driven nearshore overturning currents off the northeastern Shandong Peninsula in the Yellow Sea in winter

open access: yesFrontiers in Marine Science
IntroductionThe nearshore sea off the northeastern Shandong Peninsula is characterized by intensive mariculture, whose ecosystem is involved in the large marine ecosystem of the Yellow Sea.
Luoyu Hu   +13 more
doaj   +1 more source

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