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首页> 外文期刊>Climatic Change >The 'Little Ice Age' and its geomorphological consequences inMediterranean Europe
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The 'Little Ice Age' and its geomorphological consequences inMediterranean Europe

机译：欧洲地中海地区的“小冰河时代”及其地貌后果

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摘要

Alpine glacier advances in the "Little Ice Age" took place in the decades around 1320, 1600, 1700 and 1810. They were the outcome of snowier winters and cooler summers than those of the twentieth century. Documentary records from Crete in particular, and also from Italy, southern France and southeast Spain point to a greater frequency in Mediterranean Europe's mountainous regions of severe floods, droughts and frosts at times of "Little Ice Age" Alpine glacier advances. Deluges, when more than 200 mm of rain fall within 24 hours, are most frequent on mountainous areas near the coast. An instance is given of the geomorphological consequences of a great deluge which struck the Tech valley in the eastern Pyrenees on 17 October 1940. An increased frequency of deluges, probably at times when Alpine glaciers were advancing in the "Little Ice Age" and earlier in the Holocene, in areas known to be tectonically unstable and underlain by soft sediments, could better explain the occurrence of fluvial terraces in Mediterranean Europe sometimes known as the "younger fill", than soil erosion resulting from deforestation.
机译：在“小冰河时代”，高山冰川的发展发生在1320、1600、1700和1810年左右的几十年中。这是二十世纪冬天下雪和夏天凉爽的结果。特别是克里特岛，以及意大利，法国南部和西班牙东南部的文献记录都表明，在“小冰期”高山冰川发展时期，地中海欧洲山区发生严重洪水，干旱和霜冻的频率更高。在24小时内降雨量超过200毫米的洪水泛滥最常发生在沿海附近的山区。一个例子是1940年10月17日一次大洪水袭击了比利牛斯山脉东部的Tech山谷的地貌学后果。洪水的频率增加，可能是在“小冰河时代”和更早的时期高山冰川前进的时候。全新世在构造上不稳定且被软沉积物覆盖的地区，比森林砍伐造成的土壤侵蚀更能解释在地中海欧洲有时被称为“年轻填土”的河流阶地的发生。

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