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如何根据沟榘里积雪辨别方向
更新时间: 2020-07-01 00:00:00  

积雪从北向南堆积,因为下雪时一般刮北风,下雪时从沟中雪的坡向观察一般能得出高南低北的结果,如果是融雪阶段,积雪难以融化的部位总是朝向北面,积雪融化的快慢与地表的温度高低有关,受光的一面背风,太阳照射时间长,温度高,积雪融化得快,背阴一面,太阳晒不着,温度低,积雪融化得慢,沟渠、堤、坡、岗都是有背阴向阳之分的,所以,冬天沟坡积雪的多少,能判别是北是南的方向。

关键词: 如何 根据 积雪 辨别 方向

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