有人认为导致泰坦尼克号沉船的这块冰山深度达605英尺(约185米),长度为410英尺(约125米),这对于一座南移了这么多的冰山来说已经够大了。
The reason for this, the authors say, was because high pressure dominated the mid-latitude, central Atlantic atmosphere for several days in 1912.
作者称,1912年冰山出现异常是连续多日控制在中纬度、大西洋中部的高气压气流所致。
This led to winds carrying freezing air from northeastern Canada over the western Atlantic south of Newfoundland and, in turn, led to icebergs being transferred further south than normal for that time of year.
这导致夹带冷空气的大风从加拿大西北部刮过大西洋西部和纽芬兰岛的南部,继而使得冰山向南漂浮。
Indeed, the distance south this particular iceberg travelled while maintaining the bulk of its size was largely unusual, despite being in a year with not a record number of icebergs.
确实,无论是这块冰山向南偏离的距离,还是它的体积,虽然都不是记录最高值,但都远远异于常年值。
‘Thus, two unfavourable factors had combined: there were a greater (though not exceptionally greater) number of icebergs than normal that year; and weather conditions had driven them further south, and earlier in the year, than was usual,’ the authors write. They add, however: ‘We may add a third: the stresses on the crew of the Titanic’s maiden voyage.’
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