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Regional Differences in the Role of Eddy Pumping in the North Atlantic Subtropical Gyre: Historical Conundrums Revisited
Eddy Pumping Historical Conundrums Revisited
2015/7/20
The vast subtropical regions of the ocean account for at least 30% of the carbon export to the deep ocean. It is predicted that these regions will get larger as a consequence of global warming. Tradit...
Journey to the Center of the Gyre: The Fate of the Tohoku Tsunami Debris Field
Tohoku Tsunami Debris Field Gyre
2015/7/14
The 9.0 magnitude Tohoku earthquake that struck off the coast of Japan on March 11, 2011, was the fourth largest earthquake in recorded history and the largest ever to hit a densely populated region (...
Midwater zooplankton and suspended particle dynamics in the North Pacific Subtropical Gyre: A stable isotope perspective
North Pacific Subtropical Gyre Midwater zooplankton
2014/4/2
We used amino acid (AA) compound-specific isotope analysis (d15NAA and d13
CAA values) of midwater
zooplankton and suspended particles to examine their dynamics in the mesopelagic zone. Suspended pa...
Alkaline phosphatase activity and regulation in the North Pacific Subtropical Gyre
Alkaline phosphatase activity regulation the North Pacific Subtropical Gyre
2014/4/17
Alkaline phosphatase (AP) activity (APA) was measured at several stations in the North Pacific Subtropical Gyre in July 2008, and in a series of nutrient addition experiments: nitrate plus ammonium (+...
Intergyre transport in a wind-driven,quasigeostrophic double gyre:An application of lobe dynamics
Intergyre transport wind-driven,quasigeostrophic double gyre lobe dynamics
2009/11/12
We study the flow obtained from a three-layer, eddy-resolving quasigeostrophic ocean circulation model subject to an applied wind stress curl. For this model we will consider transport between the nor...
Intergyre transport in a wind-driven,quasigeostrophic double gyre:An application of lobe dynamics
Intergyre transport wind-driven,quasigeostrophic double gyre lobe dynamics
2009/11/12
We study the flow obtained from a three-layer, eddy-resolving quasigeostrophic ocean circulation model subject to an applied wind stress curl. For this model we will consider transport between the nor...
Conditional nonlinear optimal perturbations of the double-gyre ocean circulation
Conditional nonlinear optimal perturbations double-gyre ocean circulation
2009/11/2
In this paper, we study the development of finite amplitude perturbations on linearly stable steady barotropic double-gyre flows in a rectangular basin using the concept of Conditional Nonlinear Optim...
Oxygen penetration deep into the sediment of the South Pacific gyre
Oxygen penetration sediment South Pacific gyre
2010/1/20
Sediment oxygen concentration profiles and benthic microbial oxygen consumption rates were investigated during an IODP site survey in the South Pacific Gyre. Primary production, particle fluxes and se...
Quantification of zooplankton trophic position in the North Pacific Subtropical Gyre using stable nitrogen isotopes
zooplankton trophic position North Pacific Subtropical Gyre
2014/4/17
We quantify the trophic positions of subtropical open-ocean zooplankton species using amino acid–specific
(AA) stable nitrogen isotopic compositions. We model animal trophic position by computing tro...
Eddies and the General Circulation of an Idealized oceanic Gyre：A Wind and Thermally Driven Primitive Equation Numerical Experiment
General Circulation Idealized oceanic Gyre Equation Numerical Experiment
2009/3/7
We present the results of a multi-level, constant depth, primitive equation general ocean numerical circulation simulation with mesoscale resolution. A single mid-latitude model gyre is driven by wind...
Can the Western Boundary Layer Affect the Potential Vorticity Distribution in the Sverdrup interior of a Wind Gyre?
Western Boundary Layer Potential Vorticity Wind Gyre
2009/2/6
The question posed in the title of this paper is answered in the affirmative by investigating a two-layer, quasi-geostrophic model of the wind-driven circulation. The two layers model the thermocline ...
Four Views of a Portion of the North Atlantic Subtropical Gyre
North Atlantic Subtropical Gyre β-triangle
2009/2/5
Data from four cruises to the “β-triangle” centered at 27°N, 32°30′W were smoothed by fitting second-degree polynomials at each of about 30 different density surfaces. The density intervals were Δσp=0...
Cross-Gyre Ventilation of the Subtropical Gyre：An Internal Mode in the Ventilated Thermocline
Cross-Gyre Ventilation Ventilated Thermocline Subtropical Gyre
2009/1/20
A model of cross-gyre geostrophic flow is presented. It is a two-layer model of the (Northern Hemisphere) subtropical thermocline above a resting lower ocean. The northern boundary of the gyre is take...
The Advection of Submesoscale Thermal Features in the Alboran Sea Gyre
Submesoscale Thermal Features Alboran Sea Gyre
2009/1/19
NOAA-7 infrared and Nimbus-7 multi-spectral visible imagery of the Alboran Sea collected as part of the “Donde Va?” experiment during the period 6–20 October, show the advection of submesoscale cold-w...
A Synoptic and Statistical Description of the Gulf Stream and Subtropical Gyre Using SOFAR Floats
Gulf Stream Subtropical Gyre SOFAR Floats
2009/1/19
Trajectories of 17 SOFAR floats ballasted to nominal depth of 700 and 2000 m and tracked for 15 months have been analyzed to produce synoptic and statistical descriptions of the Gulf Stream and subtro...