Air bubbles in Antarctic ice point to cause of oxygen decline | Rice News | News and Media Relations | Rice University

(Jade BOYD, Rice University; December 20, 2021)

https://news.rice.edu/news/2021/air-bubbles-antarctic-ice-point-cause-oxygen-decline

Featured Research Article:

Ice core evidence for atmospheric oxygen decline since Mid-Pleistocene transition (YAN et al., 2021)

https://www.science.org/doi/10.1126/sciadv.abj9341

Also…

Scientists Have Found Some Truly Ancient Ice, But Now They Want Ice That’s Even Older (Nell GREENFIELDBOYCE, NPR; December 26, 2020)

https://www.npr.org/2020/12/26/949159524/scientists-have-found-some-truly-ancient-ice-but-now-they-want-ice-thats-even-ol

Ice Core Basics (Bethan DAVIES, AntarcticGlaciers.org; 22/06/2020)

https://www.antarcticglaciers.org/glaciers-and-climate/ice-cores/ice-core-basics/

Uranium series dating of Allan Hills Ice (E. L. FIREMAN, 1986)

http://adsabs.harvard.edu/pdf/1986LPSC…16..539F

Websites:

Allan Hills, Antarctica (Atlas Obscura)

https://www.atlasobscura.com/places/allan-hills

Allan Hills (NSF Ice Core Facility)

https://icecores.org/inventory/allan-hills