Рет қаралды 10,839
References:
Radioactive Isotopes & Geochronology textbook: Reiners et al., 2017: amzn.to/3GvJZNP
Stable isotopes textbook: Sharp, 2006: amzn.to/2YEPWot
Ice core & bubble isotope papers:
Jouzel and Masson-Delmotte, 2010: doi.org/10.1002/wcc.72
Wolff et al., 2010: doi.org/10.1016/j.quascirev.2...
C isotope papers:
Mojzsis et al., 1996: doi.org/10.1038/384055a0
A van Zuilen et al., 2003: doi.org/10.1016/S0301-9268(03...
Harrington, 2018: yaleclimateconnections.org/20...
S isotope papers:
Ono et al., 2003: doi.org/10.1016/S0012-821X(03...
Kasting, 2001: doi.org/10.1126/science.1063811
Tl isotope fractionation figure: Owens et al., 2017: dx.doi.org/10.1016/j.gca.2017....
GEO GIRL Website: www.geogirlscience.com/ (visit my website to see all my courses, shop merch, learn more about me, and donate to support the channel if you'd like!)
0:00 Video Outline
0:47 What are Isotopes?
1:40 Radioactive vs Stable Isotopes
2:04 What is Radioactive Decay?
3:05 How Radiometric Dating Works
6:06 How Stable Isotope Ratios Work
8:05 Why Stable Isotopes are Useful
9:48 Stable Isotope Fractionation Examples
11:50 How C Isotopes Record Climate
13:54 How O Isotopes Record Climate
16:38 Where we get these Isotope Ratios
18:20 Isotope Evidence for First Life on Earth
19:07 Isotope Evidence for Human C Emission
20:46 Mass-Independent Isotope Fractionation
23:41 Non-Traditional Isotope Applications
27:23 Related Videos & References
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