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Recent warming at the tropical treeline of North America
Date
2009Type
ArticleDescription
Tropical treelines are critical zones for observing and understanding regional responses to climatic change(Diaz et al. 2003), especially because the low latitudes play a prominent role in the global climate system(Hoerling and Kumar 2003), andmountain areas regulate downstream availability of water resources (Brad-ley et al. 2004). In North America, tropical treelines are also part of the North American Monsoon System(NAMS); this system’s control over summer precipitation, thunderstorm activity, and lightning patterns in the southwestern US extends to other regions via atmospheric connections (Vera et al. 2006; Dominguez et al.2009). Few weather stations with uninterrupted data series exist above 3000 m in rural areas throughout theentire American Cordillera, from Alaska to Tierra del Fuego (Bradleyet al. 2004), making it difficult to testhypotheses, calibrate models, and detect landscape feedbacks to human activities.
Permanent link
http://hdl.handle.net/11714/6538Additional Information
Journal Title | Frontiers in Ecology and the Environment |
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Rights | In Copyright (All Rights Reserved) |
Rights Holder | The Ecological Society of America |