“trade winds”的概念、定义、翻译、参考文献-科学参考

trade winds

Geology and Earth Sciences

Old maritime term, much used in meteorology, indicating the steadiness of direction of the prevailing tropical easterly winds, which blow from subtropical high-pressure areas in latitudes 30–40° north and south, generally north-easterly in the northern hemisphere and south-easterly in the southern hemisphere. They are most nearly constant in latitudes centred on 15° north and south. Climatic conditions associated with the belt vary from fine anticyclonic weather in the poleward and eastern margins, caused by subsidence, to stormier conditions near the equator and western margins, caused by less stable, deeper, moist air.

Geography

The tropical easterlies, blowing towards the equator from the subtropical anticyclones at a fairly constant speed. They are at their strongest around the equatorial flank of these highs. Trades are not true zonal winds; their zonal character is weaker in summer because of the south-west monsoon. They are most regular around 15°, and are associated with fine weather resulting from the anticyclonic subsidence of the Hadley cell. Over the equator and the western oceans, trade wind weather is rainier; see Snodgrass et al. (2006) 12th Conf. Cloud Phys. Liu (2002) Science Daily suggests that shifts in Pacific winds may support El Niño formation.

单词	trade winds
释义	trade winds Geology and Earth Sciences Old maritime term, much used in meteorology, indicating the steadiness of direction of the prevailing tropical easterly winds, which blow from subtropical high-pressure areas in latitudes 30–40° north and south, generally north-easterly in the northern hemisphere and south-easterly in the southern hemisphere. They are most nearly constant in latitudes centred on 15° north and south. Climatic conditions associated with the belt vary from fine anticyclonic weather in the poleward and eastern margins, caused by subsidence, to stormier conditions near the equator and western margins, caused by less stable, deeper, moist air. Geography The tropical easterlies, blowing towards the equator from the subtropical anticyclones at a fairly constant speed. They are at their strongest around the equatorial flank of these highs. Trades are not true zonal winds; their zonal character is weaker in summer because of the south-west monsoon. They are most regular around 15°, and are associated with fine weather resulting from the anticyclonic subsidence of the Hadley cell. Over the equator and the western oceans, trade wind weather is rainier; see Snodgrass et al. (2006) 12th Conf. Cloud Phys. Liu (2002) Science Daily suggests that shifts in Pacific winds may support El Niño formation.
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