katabatic
/,kætə'bætik/
Definition
- Adjective:
- Relating to downward-moving air: Describes a wind or air current that flows down a slope, typically due to cooling, especially at night. This movement is driven by dense, cool air descending from higher elevations.
Usage
- The term is used almost exclusively in meteorological and geographical contexts to describe specific wind patterns.
- It is typically placed before a noun (e.g., ) or used predicatively (e.g., ).
- It describes the cause and direction of the wind's movement.
Examples
- Adjective:
- The valley experiences strong katabatic winds every night as the mountain air cools and sinks.
- Scientists studied the katabatic flow from the Antarctic ice sheet.
- The cold, katabatic breeze made the coastal area much chillier than the inland plateau.
Advanced Usage
- "Katabatic forcing": The meteorological conditions that cause or enhance a katabatic wind.
- The clear skies and snow-covered surface created perfect conditions for katabatic forcing.
- "Katabatic layer": The layer of air near the ground involved in the downslope flow.
- Measurements were taken within the katabatic layer to understand its structure.
Variants and Related Words
- Anabatic (adj): The opposite of katabatic; describing a wind that blows up a slope due to heating, such as a valley breeze during the day.
- Anabatic winds are common on sunlit mountain slopes in the afternoon.
- Katabasis (n): A descent or going down; a term used in various fields like literature, meteorology, or mountaineering.
- The climbers began their katabasis from the summit as the weather turned.
Synonyms
- Downslope (adj): Moving down a slope. (More general, not specific to cooling.)
- Descending (adj): Moving downward. (General term for direction.)
- Gravity wind (n): Another term for a wind driven by cold, dense air flowing downhill.
Antonyms
- Anabatic (adj): Moving upward, especially a wind flowing up a slope.
- Upslope (adj): Moving up a slope.
- Ascending (adj): Moving upward.
Adjective
-
of an air current or wind; moving downward or down a slope because of cooling especially at night
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