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Temporal Rates of Growth and Decay of Microscopic and Macroscopic Surface Structures in a Wind-Wave Tank
Temporal Rates Macroscopic Surface Structures Wind-Wave Tank
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2009/2/13
The distributions of water-surface slopes and wave heights were measured under suddenly started and stopped winds. The root-mean-square slopes and average wave heights are found to grow and decay expo...
Growth Rates of a Topographic Instability
Topographic Instability Growth Rates
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2009/2/6
We consider a linear model of a topographically induced shear instability, described by Pedlosky (1980). The perturbation technique used by Pedlosky, to establish the existence of unstable normal mode...
3H and 3He in the Beta Triangle：Observations of Gyre Ventilation and Oxygen Utilization Rates
Gyre Ventilation Oxygen Utilization Rates
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2009/1/7
Isopycnal maps of 3H–3He age (τ) with about 100 km resolution have been obtained for a 1000-km scale area in the eastern subtropical North Atlantic. The midscale texture of the maps is consistent with...
Why Oceanic Dissipation Rates Are Not Lognormal
Oceanic Dissipation Rates Not Lognormal turbulent flow
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2008/12/30
In their derivation of the lognormal probability density function for volume-averaged dissipation rates, Gurvich and Yaglom assumed explicitly that these dissipation rates are statistically homogeneou...
On the Relationship between Subduction Rates and Diabatic Forcing of the Mixed Layer
Subduction Rates Diabatic Forcing Mixed Layer
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2008/12/24
The transport of mass between a mixed layer, exposed to mechanical and thermodynamic forcing, and an adiabatic thermocline is studied for gyre-scale motions. It is shown that if the mixed layer can be...
Prescriptions for Heat Flux and Entrainment Rates in the Upper Ocean during Convection
Heat Flux Upper Ocean Entrainment Rates
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2008/12/16
A detailed investigation of the upper ocean during convection reveals
• the vertical structure of potential temperature, θ, to be steady in time, and
• the current shear to vanish i...
The Seasonal Heat Budget of the North Pacific: Net Heat Flux and Heat Storage Rates (1950–1990)
Seasonal Heat Budget North Pacific Net Heat Flux Heat Storage Rates
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2008/10/31
A new estimate of the heat budget for the North Pacific Ocean is presented in this paper. The seasonal net heat flux and heat storage rates were calculated for the North Pacific Ocean from 1950 to 199...
Heat and Buoyancy Budgets and Mixing Rates in the Upper Thermocline of the Indian and Global Oceans
Buoyancy Budgets Global Oceans Upper Thermocline Mixing Rates
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2008/10/23
Diapycnal and diathermal diffusivity values in the upper thermocline are estimated from buoyancy and heat budgets for water volumes bounded by isopycnals and isotherms, the air–sea interface, and coas...
Sensitivity of Ventilation Rates and Radiocarbon Uptake to Subgrid-Scale Mixing in Ocean Models
Ventilation Rates Radiocarbon Uptake Subgrid-Scale Mixing Ocean Models
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2008/7/23
The sensitivity of ventilation timescales and radiocarbon (14C) uptake to subgrid-scale mixing parameterization is studied in a global ocean model. Seven experiments are examined that are identical in...
Sensitivity of Ventilation Rates and Radiocarbon Uptake to Subgrid-Scale Mixing in Ocean Models
Ventilation Rates Radiocarbon Uptake Subgrid-Scale Mixing Ocean Models
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2008/7/23
The sensitivity of ventilation timescales and radiocarbon (14C) uptake to subgrid-scale mixing parameterization is studied in a global ocean model. Seven experiments are examined that are identical in...
The Connection between Bubble Size Spectra and Energy Dissipation Rates in the Upper Ocean
Bubble Size Spectra Energy Dissipation Rates Upper Ocean
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2008/7/3
A formula for the maximum size of a bubble for which surface tension forces can prevent bubble breakup by inertial forces, combined with the observed sizes of air bubbles in breaking waves, implies an...
Lagrangian Observations of the Deep Western Boundary Current in the North Atlantic Ocean. Part I: Large-Scale Pathways and Spreading Rates
Deep Western Boundary Current North Atlantic Ocean Large-Scale Pathways Spreading Rates
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2008/6/30
Twenty-six RAFOS floats were deployed in the deep western boundary current (DWBC) of the North Atlantic Ocean between the Grand Banks and Cape Hatteras in 1994–95 and tracked acoustically for up to tw...
Labrador Sea Water: Pathways, CFC Inventory, and Formation Rates
Labrador Sea Pathways CFC Inventory Formation Rates
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2008/6/4
In 1997, a unique hydrographic and chlorofluorocarbon (CFC: component CFC-11) dataset was obtained in the subpolar North Atlantic. To estimate the synopticity of the 1997 data, the recent temporal evo...
Rates and Mechanisms of Water Mass Transformation in the Labrador Sea as Inferred from Tracer Observations
Rates Mechanisms Water Mass Labrador Sea
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2008/6/4
Time series of hydrographic and transient tracer (3H and 3He) observations from the central Labrador Sea collected between 1991 and 1996 are presented to document the complex changes in the tracer fie...