搜索结果: 1-15 共查到“理学 Ventilation”相关记录24条 . 查询时间(0.081 秒)
Experiments on the Use of Artificial Ventilation for Prevention of Radiation Frost
Artificial Ventilation Radiation Frost
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2009/6/18
Experiments on the Use of Artificial Ventilation for Prevention of Radiation Frost.
Eastern Boundary Ventilation and the Structure of the Thermocline
Eastern Boundary Ventilation Thermocline
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2009/2/6
The effect of relaxing the zero geostrophic zonal flow condition at the eastern boundary on the structure of the ventilated thermocline is described. It is argued that the effect of dissipation can al...
Ventilation, Potential-Vorticity Homogenization and the Structure of the Ocean Circulation
Potential-Vorticity Homogenization Ocean Circulation Ventilation
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2009/2/6
A model for the vertical structure of the oceanic circulation is presented that combines elements of the theory of the ventilated thermocline, given by Luyten, Pedlosky and Stommel, with the theory of...
Cross-Gyre Ventilation of the Subtropical Gyre:An Internal Mode in the Ventilated Thermocline
Cross-Gyre Ventilation Ventilated Thermocline Subtropical Gyre
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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...
Ventilation of the Subtropical North Pacific:The Shallow Salinity Minimum
Subtropical North Pacific Shallow Salinity Minimum
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2009/1/15
The shallow salinity minimum of the subtropical North Pacific is shown to be a feature of the ventilated, wind-driven circulation. Subduction of low salinity surface water in the northeastern subtropi...
The Ventilation of the World’s Oceans:Maps of the Potential vorticity Field
World’s Oceans Potential vorticity Field
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2009/1/15
Maps of potential vorticity (q) within four different density layers are presented for the North and South Atlantic, North and South Pacific, and Indian Oceans. Potential vorticity is evaluated as (f/...
Rapid ventilation of the Mexico City basin and regional fate of the urban plume
Rapid ventilation Mexico City regional fate the urban plume
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2009/1/9
Urban areas can be large emitters of air pollutants leading to negative health effects and environmental degradation. The rate of venting of these airsheds determines the pollutant loading for given e...
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...
Fluid Dynamics of Oceanic Thermocline Ventilation
Fluid Dynamics Oceanic Thermocline Ventilation Potential vorticity
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2008/12/22
A flux form of the Potential vorticity (PV) equation is applied to study the creation and transport of potential vorticity in an ocean gyre; generalized PV fluxes (J vectors) and the associated PV flu...
Ventilation of the Subtropical North Pacific
Subtropical North Pacific Ventilation
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2008/12/17
The ventilation of the subtropical North Pacific is studied using a simple analytical model. The model is forced by winter mixed layer density and depth calculated from the Levitus climatology and win...
Diagnosing Climate Change and Ocean Ventilation Using Hydrographic Data
Sub-Antarctic mode water Ocean Ventilation Diagnosing Climate Change
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2008/12/16
Changes in atmospheric forcing can affect the subsurface water column of the ocean by three different mechanisms. First, warmed mixed-layer water that is subducted into the ocean interior will cause s...
Ventilation of the Deep Western Boundary Current and Abyssal Western North Atlantic: Estimates from Tritium and 3He Distributions
North Atlantic Deep Water deep western boundary current
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2008/12/15
The tritium and excess 3He data from the 1981 TTO/NAS program are used to study the time scales for the ventilation of the deep western basin by recently formed North Atlantic Deep Water (NADW). The l...
The Age of Water and Ventilation Timescales in a Global Ocean Model
Ventilation Timescales Global Ocean Model North Atlantic Deep Water
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2008/12/12
The age of water in the World Ocean is studied using a passive age tracer introduced into a global ocean model. Additional information is derived from a transient “dye” tracer that tracks the time-dep...
Ventilation of the North Atlantic and North Pacific:Subduction Versus Obduction
North Atlantic North Pacific Subduction Versus Obduction
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2008/12/12
Ventilation in the North Atlantic and North Pacific is examined by analyzing the Levitus climatological data and the Hellerman and Rosenstein wind stress data. Ventilation between the permanent pycnoc...
Oceanic Ventilation in the Eastern North Atlantic
Oceanic Ventilation Eastern North Atlantic subpolar mode water
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2008/12/10
Ventilation of the eastern North Atlantic by subpolar mode water is illustrated by recent hydrographic section and analyzed using a large-scale stationary thermocline model including a surface mixed l...