Tree Rings, Climate Change and the Rainy Season

This video shows the potential of dendrochronology (tree ring study) to shed light on climatic conditions of the past. Scientists at Columbia University's Lamont-Doherty Earth Observatory read the growth rings of ancient trees to understand the history and workings of the monsoon. In addition, historical accounts are correlated with data from tree rings to better understand these events.

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Earth Institute Columbia University

Notes From Our Reviewers

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Teaching Tips

Teaching Tips

The video can be used in a variety of ways and contexts, such as Geography, Asian History, Asian Culture, or Environmental Studies, or in a class where research methods for the reconstruction of past climates are taught.

CLEAN collection offers good hands-on activities to learn more about the study of tree rings (dendroclimatology/dendrochronology) to examine past climates.

The video is somewhat long - 8.5 minutes - so instructors may want to provide questions to follow along with the video to ensure students view the entire segment.

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