Last Updated
：2025/11/21
airmass source region
Noun
Japanese Meaning
大気源領域：地球表面の広範な地域で、空気がその領域に留まり、地表からの影響（温度、湿度など）を十分に受けて特徴づけられる結果、固有の大気塊として識別される領域。
（ plural ）
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(physics, meteorology) An extensive area of the Earth's surface over which bodies of air frequently remain for a sufficient time to acquire characteristic temperature and moisture properties imparted by that surface. Air so modified becomes identifiable as a distinct air mass. See airmass.
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airmass source region
Meteorologists often monitor the airmass source region to predict how temperature and humidity patterns will evolve over the coming days.
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Meteorologists often monitor the airmass source region to predict how temperature and humidity patterns will evolve over the coming days.
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