Impacts of Permafrost Degradation on a Stream in Taylor Valley, Antarctica

• Main Authors: Sudman, Zachary, Gooseff, Michael N., Fountain, Andrew G., Levy, Joseph S.
• Format: Text
• Language: unknown
• Published: PDXScholar 2017
• Subjects: Geology; Crescent Stream; McMurdo Dry Valleys; Taylor Valley; Antarc*; Antarctica; Ice; permafrost; Thermokarst
• Online Access: https://pdxscholar.library.pdx.edu/geology_fac/111

The McMurdo Dry Valleys (MDV) of Antarctica are an ice-free landscape that supports a complex, microbially dominated ecosystem despite a severely arid, cold environment (< 5 cm water equivalent/y, − 18 °C mean annual air temperature). Recent observations of permafrost degradation in the coastal z...