Potential Vorticity Unit

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• Vorticity — is a mathematical concept used in fluid dynamics. It can be related to the amount of circulation or rotation (or more strictly, the local angular rate of rotation) in a fluid.Clancy, L.J., Aerodynamics , Section 7.11] The average vorticity zeta… …   Wikipedia

• PVU — Potential Vorticity Unit (Miscellaneous » Unit Measures) * Paleoenvironmental data (PaleoVu) (Computing » File Extensions) * Portable Verification Unit (Medical » Physiology) * Portable Verification Unit (Governmental » Military) * Portable… …   Abbreviations dictionary

• PVU — In meteorology, the potential vorticity unit (PVU) is defined as 10 6 K m2 kg 1 s 1.In adiabatic, frictionless flow, potential vorticity is the product of absolute vorticity and static stability on a constant potential temperature surface.ee… …   Wikipedia

• Potentielle Vortizität — Die potentielle Vortizität oder potentielle Vorticity ist ein Maß für die Scherung von Strömungen und ist insbesondere in der Ozeanographie und der Meteorologie von Bedeutung. Sie kombiniert die Erhaltung der Vortizität mit der Erhaltung der… …   Deutsch Wikipedia

• Tropopause — The tropopause is in the atmosphere between the troposphere and the stratosphere. Here the air ceases to cool at 56.5°C ( 70°F), and the air becomes almost completely dry.The troposphere is the lowest of the Earth s atmospheric layers and is the… …   Wikipedia

• Convection — This figure shows a calculation for thermal convection in the Earth s mantle. Colors closer to red are hot areas and colors closer to blue are cold areas. A hot, less dense lower boundary layer sends plumes of hot material upwards, and likewise,… …   Wikipedia

• Sverdrup balance — The Sverdrup balance, or Sverdrup relation, is a theoretical relationship between the wind stress exerted on the surface of the open ocean and the vertically integrated meridional (north south) transport of ocean water. History Aside from the… …   Wikipedia

• fluid mechanics — an applied science dealing with the basic principles of gaseous and liquid matter. Cf. fluid dynamics. [1940 45] * * * Study of the effects of forces and energy on liquids and gases. One branch of the field, hydrostatics, deals with fluids at… …   Universalium

• climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …   Universalium

• Maxwell's equations — For thermodynamic relations, see Maxwell relations. Electromagnetism …   Wikipedia

• Conservative vector field — In vector calculus a conservative vector field is a vector field which is the gradient of a function, known in this context as a scalar potential. Conservative vector fields have the property that the line integral from one point to another is… …   Wikipedia