Sentences with word «katabatic»

WUWT illustrated how Antarctic polynyas are primarily a result of katabatic winds.
By the time it reaches the coast, hurricane - force winds, known as katabatic winds, result.
A small cyclonic eddy occurred within Wilhelmina Bay driven by strong, episodic southerly katabatic winds (Figure 1a).
Antarctic katabatic winds, for instance, power the station's wind turbines and provide electricity.
These valleys are characterized by harsh katabatic winds, glaciers, sandy surroundings, and permanent ice - covered lakes, which harbour the most exceptional life - in - ice - forms I have ever seen.
Cooler air tends to settle in low - lying areas, a phenomenon known as katabatic drainage.
But there are places where persistent katabatic winds flowing downwards from mountains rake the surface so fiercely that the snow is lifted away from the continent altogether.
The surface katabatic wind regime, directed equatorwards and down the Antarctic coastal escarpment, closes the lower branch of the circulation (Parish and Bromwich 2007).
It is not as windy in the Arctic as near the Antarctic coast, in part because the pressure gradients are weaker, and because katabatic winds do not exist over most of the Arctic.
How do atmospheric processes over the Ross Sea modulate the intensity and spatial extent of katabatic winds, and other mesoscale flows, over TNB?
Southerly katabatic winds and coastal currents produced the circulation field and retentive gyre shown in (a).
Sea ice extent appears to be influenced by katabatic winds bring cold air from the interior over the surrounding sea.
Katabatic winds, caused by cold air accelerating as it slides off the polar plateau, have battered us for 36 hours.
They produced masses of cold air that blew out to sea as powerful fall winds (katabatic winds) and created large expanses of open water (polynyas)-- a process still frequently observed around the Antarctic continent.»
Liu, Z., and D.H. Bromwich, 1997: Dynamics of the katabatic wind confluence zone near Siple Coast, West Antarctica.
Bromwich, D.H., and Z. Liu, 1996: An observational study of the katabatic wind confluence zone near Siple Coast, West Antarctica.
In contrast to coastal storms, katabatic winds can be bone dry.
Katabatic (downslope) winds occur over slopes which are cooled.
Katabatic winds occur where air in contact with sloping ground is colder than air at the same level away from the hillside over the valley (see diagram below).
Katabatic winds are nocturnal phenomena in most parts of the world (i.e. they tend to happen at night) as there is surface cooling, especially when there is little cloud and due to lack of heating by the sun.
There are some regions of the atmosphere where lapse rates of -9 to -10 K / km have been observed, e.g., in parts of Antarctica affected by katabatic winds.
The flow of cold air can also create what is known as a katabatic wind.
The two winds that exist in mountain and valley locations are uphill, anabatic winds and downhill, katabatic winds.
The polar cell, orography and Katabatic winds in Antarctica, can create very cold conditions at the surface, for instance the coldest temperature recorded on Earth: − 89.2 °C at Vostok Station in Antarctica, measured 1983.
Yet the katabatic winds which blow off West Greenland are sufficient to drive ice floes away from the shore, and to induce a northwards ocean current along the coast.
Extremely cold (katabatic) winds blowing off the Antarctic Ice Sheet, push water and sea ice offshore, contributing to high rates of sea ice formation.
Known as a Katabatic flow, it generates remarkable winds.

Phrases with «katabatic»

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