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The tree rings in some of them match patterns found in wood from a fort on the Danube River.

Constantinople, with ports on the Mediterranean and the Black Sea, was a city of 600,000 and the center of trade in the Old World when the harbor was built by Emperor Theodosius I.

In this activity, students will use pre-marked paper strips to simulate tree-ring core samples to help them understand that data for past climate changes can be gathered from sources beyond long-term weather observations.

Background Trees contain some of nature's most accurate evidence of the past.

Most people who enter into studying tree rings typically come from one of several disciplines: Though dendrochronology also has uses for art historians, medieval studies graduates, classicists, ancient and historians due to the necessity to date some of the materials that the fields will be handling in their research projects.

Typically, a bachelor's degree in any of the above disciplines are enough to study the data that comes out of dendrochronology.

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In this article, we’ve included lessons that allow students to explore three examples of climate proxies: tree rings, fossils, and ice cores.

This lesson introduces absolute dating and a few ways in which scientists accomplish it.

The majority of the lesson focuses on radiometric dating, including an activity where students date their own "rocks and fossils".

Due to the sweeping and diverse applications of this data, specialists can come from many academic disciplines.

There are no degrees in dendrochronology because though it is useful across the board, the method itself is fairly limited.




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