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首页> 外文期刊>Earth Surface Processes and Landforms: The journal of the British Geomorphological Research Group >Response of a mid-latitude cirque glacier to climate over the last two decades: Mangaehuehu Glacier, Mt Ruapehu
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Response of a mid-latitude cirque glacier to climate over the last two decades: Mangaehuehu Glacier, Mt Ruapehu

机译：在过去的二十年中，中纬度太阳剧团冰川对气候的响应：芒格胡胡冰川，鲁阿佩胡山

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摘要

The recent loss of mountain glaciers in response to climate warming has been reported across a range of latitudes globally, but the processes involved are not always straightforward. In southern Pacific mid-latitudes, twentieth-century glacier fluctuations are thought to reflect the strength of westerly atmospheric circulation, which brings increased precipitation, leading to mass gains. We present a study of the response of Mangaehuehu Glacier, a cirque glacier on Mt Ruapehu, to climate over the last two decades. Glacier surface area fluctuated in size over this period, corresponding closely with mean end-of-summer snowlines in the Southern Alps. The key control on glacier extent appears to be ablation season temperature, itself controlled by regional atmospheric circulation, including El Ni?o-Southern Oscillation, Interdecadal Pacific Oscillation (IPO), and to a lesser extent, Southern Annular Mode (SAM).
机译：据报道，全球范围内最近因气候变暖而造成的高山冰川损失，但所涉及的过程并不总是那么简单。在南太平洋中纬度地区，二十世纪的冰川波动被认为反映了西风层大气环流的强度，这带来了增加的降水，导致了质量的增加。我们介绍了鲁阿佩胡山上的冰河冰川Mangaehuehu冰川过去20年对气候的响应。在此期间，冰川表面积的大小有所波动，与南阿尔卑斯山的平均夏末雪线密切相关。对冰川范围的关键控制似乎是消融季节的温度，其本身受区域大气环流的控制，包括厄尔尼诺-南方涛动，年代际太平洋涛动（IPO），以及程度较小的南方环流模式（SAM）。

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