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Autor:
Scott L. Cocker, Grant D. Zazula, Elizabeth Hall, Christopher N. Jass, John E. Storer, Duane G. Froese
Publikováno v:
Arctic, Antarctic, and Alpine Research, Vol 56, Iss 1 (2024)
Faunal remains from fossil arctic ground squirrel (Urocitellus parryii) middens provide insight into the composition of small mammal communities during the late Pleistocene of Yukon Territory. We evaluated skeletal remains present in 88 of 249 midden
Externí odkaz:
https://doaj.org/article/f958a5b9812546f3bb3c55f285547414
Publikováno v:
The Cryosphere, Vol 18, Pp 1533-1559 (2024)
The shift in climate that occurred between the Last Glacial Maximum (LGM) and the Early Holocene (ca. 18–12 kyr BP) displayed rates of temperature increase similar to present-day warming trends. The most rapid recorded changes in temperature occurr
Externí odkaz:
https://doaj.org/article/88941b1a88a14845a193d5c100d85319
Autor:
Steven V. Kokelj, Tristan Gingras-Hill, Seamus V. Daly, Peter D. Morse, Stephen A. Wolfe, Ashley C.A. Rudy, Jurjen van der Sluijs, Niels Weiss, H. Brendan O'Neill, Jennifer L. Baltzer, Trevor C. Lantz, Carolyn Gibson, Dieter Cazon, Robert H. Fraser, Duane G. Froese, Garfield Giff, Charles Klengenberg, Scott F. Lamoureux, William L. Quinton, Merritt R. Turetsky, Alexandre Chiasson, Celtie Ferguson, Mike Newton, Mike Pope, Jason A. Paul, M. Alice Wilson, Joseph M. Young
Publikováno v:
Arctic Science, Vol 9, Iss 4, Pp 886-918 (2023)
This paper documents the first comprehensive inventory of thermokarst and thaw-sensitive terrain indicators for a 2 million km2 region of northwestern Canada. This is accomplished through the Thermokarst Mapping Collective (TMC), a research collabora
Externí odkaz:
https://doaj.org/article/7e959053e1274990987f61640773f364
Autor:
James T. Teller
Publikováno v:
Quaternary Science Reviews. 256:106836
The paucity of radiocarbon ages in Lake Agassiz sediments between 12.9 and 12.4 ka probably reflects conditions in the lake that were unsuitable for the growth and accumulation of datable vegetation, not a delay in the time when the level of the lake
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::007759175fd344d95bc55aab7a438c42
https://doi.org/10.1016/j.quascirev.2021.106836
https://doi.org/10.1016/j.quascirev.2021.106836
Autor:
Trevor J. Porter, Spruce W. Schoenemann, Lauren J. Davies, Eric J. Steig, Sasiri Bandara, Duane G. Froese
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-10 (2019)
Traditional precipitation isotope archives (e.g., ice cores) are fundamental to our knowledge of past climate but limited to glaciated locales. Here the authors show that pore ice in relict permafrost holds equal promise as a proxy and use it to prov
Externí odkaz:
https://doaj.org/article/bf34e2f61fe8492cbbd360d07c02709a
Publikováno v:
Permafrost and Periglacial Processes. 34:180-193
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9cbb282d2c7ad06b0983e6ef24654601
https://doi.org/10.1002/ppp.2184
https://doi.org/10.1002/ppp.2184
Publikováno v:
Journal of Maps, Vol 13, Iss 2, Pp 600-607 (2017)
A comprehensive map of glacial landforms is presented for the area of northwest Saskatchewan, Canada. Remote sensing of 1-arc (∼30 m resolution) Shuttle Radar Topography Mission digital elevation models over an area of approximately 15,000 km2 were
Externí odkaz:
https://doaj.org/article/1db27f37e56e450a9ac173bfea8731ee
The climatic transition from the Last Glacial Maximum (LGM) to the early Holocene (ca. 18–12 ka BP) involved rates of temperature change comparable with present-day warming trends. The most rapid recorded changes in temperature occurred during the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::07ee0dd1102d0d3e8dac9a0f6496b270
https://doi.org/10.5194/tc-2023-73
https://doi.org/10.5194/tc-2023-73
Publikováno v:
Environmental Research Letters, Vol 16, Iss 2, p 024036 (2021)
Organic matter, upon dissolution into the aqueous state as dissolved organic matter (DOM), can undergo mineralization by microbes. There has been increasing effort to characterize DOM released from thawing permafrost because it may perpetuate a perma
Externí odkaz:
https://doaj.org/article/633bfcd4a1f144bbb34bd7ffa35a4833