density current

density current

[′den·səd·ē ‚kər·ənt]
(meteorology)
Intrusion of a dense air mass beneath a lighter air mass; the usage applies to cold fronts.
(oceanography)
References in periodicals archive ?
furnish and install frp launders, weir plates and density current baffles.
This implies that the average probability density current is zero, i.
investigating the amount and method of sedimentation in Maroon reservoir and the impacts of density current on it, the model was implemented in two steps in order to compare different states: a) implementing the model for different periods of time ranging from 5 years to 100 years in normal condition i.
on the surface of the human body the lines of the current density current are tangential, consequently the normal component of the current is zero, same as in the air due to the displacement current being neglected.
P tephrostratigraphy related to the main explosive activity; 2) different pyroclastic density current deposits; 3) typical horseshoe-shaped amphitheatres and their associated debris avalanche deposits, and; 4) lava domes and lava flows.
The density current is a type of current that occurs when fluid flow enters a fluid body of different density.
In the laboratory experiments, the density current enters the channel via a sluice gate into a lighter ambient fluid and moves forward down-slope.
The water causes the sediment to become fluidized, creating a gravity-driven density current that can flow down slopes.
LA-style energy dissipation inlets, mid-radius baffles and density current baffles will be incorporated in the clarifier process.
Formation of density current (also called gravity or buoyancy currents) basically happens when fluid flow enters a fluid body of different density.
As of January 30, 2018, about 119 volcanic earthquakes, 68 rockfall events, nine tremor events, two lava fountaining, and two episodes of thick pyroclastic density current (PDC) generation from lava collapse have been recorded and released by PHIVOLCS.
No episodes of lava fountaining and pyroclastic density current were recorded during the eruption but a booming sound was heard at Lignon Hill, located 11 km southeast of the volcano.