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Helena Alexandersson

Helena Alexanderson


Helena Alexandersson

Quantity, origin and degradation state of organic matter in subsea permafrost on the East Siberian Arctic shelf


  • B. Wild
  • N. Shakhova
  • O. Dudarev
  • A. Ruban
  • D. Kosmach
  • V. Tumskoy
  • T. Tesi
  • H. Joß
  • H. Alexanderson
  • M. Jakobsson
  • A. Mazurov
  • I. Semiletov
  • Ö. Gustafsson

Summary, in English

Based on a unique set of three drill cores, we characterize the quantity, origin and degradation state of organic matter through the subsea permafrost with higher resolution across the current thaw front, to improve our understanding of its vulnerability to decomposition upon thaw.


  • Quaternary Sciences

Publishing year





Conference Proceedings, 29th International Meeting on Organic Geochemistry

Document type

Conference paper


  • Geochemistry

Conference name

29th International Meeting on Organic Geochemistry, IMOG 2019

Conference date

2019-09-01 - 2019-09-06

Conference place

Gothenburg, Sweden




  • ISBN: 978-946282304-4