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Open ocean convection is a process in which the ... are reported to be several hours to several days. [3] ... γ and β are found to be equal to 3.9 ± 0.9 and 12 ± ...
This was sufficient to allow computing of spreading rates over the last 700,000 years on many mid-ocean ridges by locating the closest reversed crust boundary to the crest of a mid-ocean ridge. [11] Marine magnetic anomalies were found later to span the vast flanks of the ridges. [ 9 ]
Atmospheric convection is the vertical transport of heat and moisture in the atmosphere.It occurs when warmer, less dense air rises, while cooler, denser air sinks. This process is driven by parcel-environment instability, meaning that a "parcel" of air is warmer and less dense than the surrounding environment at the same altitude.
Convection is often categorised or described by the main effect causing the convective flow; for example, thermal convection. Convection cannot take place in most solids because neither bulk current flows nor significant diffusion of matter can take place. Granular convection is a similar phenomenon in granular material instead of fluids.
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Harry Hammond Hess (May 24, 1906 – August 25, 1969) was an American geologist and a United States Navy officer in World War II who is considered one of the "founding fathers" of the unifying theory of plate tectonics.
Enhanced surface (upper level) westerly winds occur near the west (east) side of the active convection. [5] Ocean currents, up to 100 metres (330 ft) in depth from the ocean surface, follow in phase with the east-wind component of the surface winds. In advance, or to the east, of the MJO enhanced activity, winds aloft are westerly.
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