Julian Cohen

ORCID: 0009-0006-3767-1360
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About
Contact & Profiles
Research Areas
  • Astro and Planetary Science
  • Isotope Analysis in Ecology
  • Food Industry and Aquatic Biology
  • Geology and Paleoclimatology Research
  • Historical Astronomy and Related Studies
  • Groundwater and Isotope Geochemistry
  • Archaeology and ancient environmental studies
  • Oceanographic and Atmospheric Processes

Portland State University
2024

Volcanic glass has been used extensively as a paleoaltimeter. Deuterium (2H) concentrations in have found to be stable over geologic timescales, making δ2H (also known δD) reliable proxy for ancient water chemistry. However, continued work revolves around better understanding how different factors affect preserved volcanic ash. Here, we analyze δD the Rattlesnake Tuff (RST), widespread ca. 7 Ma ash-flow tuff, and create paleoisoscape assess variations across Oregon during that time. To this...

10.3390/atmos15050561 article EN cc-by Atmosphere 2024-04-30

10.1130/abs/2023cd-387552 article EN Abstracts with programs - Geological Society of America 2023-01-01
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