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Physical Sciences and Mathematics Commons

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Atmospheric Sciences

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Purdue University

2014

Biological sciences

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Full-Text Articles in Physical Sciences and Mathematics

Cosmogenic Beryllium Cycling In A Natural Forest Setting, Grace Conyers Apr 2014

Cosmogenic Beryllium Cycling In A Natural Forest Setting, Grace Conyers

Open Access Theses

10 Bemet , or cosmogenic beryllium, has a long half-life of 1.4 million years and quick adsorption on soil particles, which may make it ideal for dating soil erosion in historical context. However, there are questions on about the fundamental assumptions of the retentivity of 10 Bemet . This manuscript explores these assumptions and the context of nutrient cycling in a natural forest setting.

To see if 10 Bemet was being cycled through the trees, and at what rate, we looked at the[10 Bemet ] in the soil, 4 species of trees, and their leaves. The isotopic ratio 10 Be/9 …