As climate changes, so do glaciers
نویسندگان
چکیده
منابع مشابه
As climate changes, so do glaciers.
Understanding abrupt climate changes requires detailed spatial/temporal records of such changes, and to make these records, we need rapidly responding, geographically widespread climate trackers. Glacial systems are such trackers, and recent additions to the stratigraphic record show overall synchronous response of glacial systems to climate change reflecting global atmosphere conditions.
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Glacier are pretty and move around a lot on the landscape due to the random stochastic climate forcing inherent to a constant climate. They obviously also respond to changes in climate. The tricky part is whether, in absence of direct instrumental measurements, climate changes can be inferred from variations in glacier length.
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Glaciers offer the potential to reconstruct past climate over timescales from decades to millennia. They are found on nearly every continent, and at the Last Glacial Maximum, glaciers were larger in all regions on Earth. The physics of glacier-climate interaction are relatively well understood, and glacier models can be used to reconstruct past climate from geological evidence of past glacier e...
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The near-global retreat of high-mountain glaciers and the shrinkage of ice fields and ice caps and retreat of their associated outlet glaciers are perhaps the most visible evidence for 20th-century climate change and the recent increase in the globally averaged near-surface temperatures of the Earth’s surface. The loss of high-mountain glaciers—including ice fields, ice caps, and other glaciers...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 2000
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.97.4.1351