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首页> 外文期刊>Natural Hazards >Dendrochronological reconstruction of snow avalanche activity in the Lahul Himalaya, Northern India.
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Dendrochronological reconstruction of snow avalanche activity in the Lahul Himalaya, Northern India.

机译：印度北部Lahul喜马拉雅山雪崩活动的树轮年代重建。

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摘要

Mass wasting and avalanche events substantially impact the landscape morphology and consequently human habitation throughout the Himalaya. There is, however, a paucity of snow avalanche documentation for the region. The application of dendrochronologic research methods introduces a sensitive approach to document the recurrence of snow avalanche events in a region where historical records are either non-existent or difficult to access. An exploratory dendrochronologic study was undertaken in the Lahul Himalaya of Northern India during the summer of 2006. Included within the fieldwork was an assessment of avalanche track morphology to enable identification of the slope characteristics that might be associated with an increase in avalanche activity. Thirty-six trees growing on the Ratoli avalanche track were sampled. The oldest tree was a Cedrus deodara with a pith date of 1950. A tree-ring-derived avalanche response curve highlights four avalanche events that occurred from 1972 to 2006. The successful scientific results based on the application of the method used provide the basis for local planners to quantify slope failure hazards in forested areas throughout the western Himalaya.
机译：大量浪费和雪崩事件极大地影响了景观形态，进而影响了整个喜马拉雅山的人类居住。但是，该地区很少有雪崩记录。树木年代学研究方法的应用引入了一种灵敏的方法来记录在历史记录不存在或难以获取的地区雪崩事件的再次发生。 2006年夏季，在印度北部的Lahul喜马拉雅进行了一项探索性树轮年代学研究。实地考察包括对雪崩轨道形态的评估，以识别可能与雪崩活动增加有关的斜坡特征。在拉托利雪崩轨道上生长的三十六棵树被采样。最古老的树是树心日期为 Cedrus deodara 的雪松（Cedrus deodara）。一棵树年轮衍生的雪崩响应曲线突出显示了1972年至2006年发生的四次雪崩事件。所使用的方法为地方规划者量化喜马拉雅西部整个森林地区的边坡破坏危险提供了基础。

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