Holocene Vegetation, Climate, and Carbon History on Western Kodiak Island, Alaska
At Phalarope Pond, western Kodiak Island, a multidisciplinary study using pollen and spores, macrofossils, stable isotopes, and carbon accumulation provides the Holocene vegetation and climate history following the deglaciation that began over 16,000 cal years ago (yr BP). Following a cold and dry Y...
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ftdoajarticles:oai:doaj.org/article:7328b4345aec4e45897b8ce1da5b3a25 2023-05-15T17:04:36+02:00 Holocene Vegetation, Climate, and Carbon History on Western Kodiak Island, Alaska Dorothy M. Peteet Jonathan E. Nichols Daniel H. Mann 2019-04-01T00:00:00Z https://doi.org/10.3389/feart.2019.00061 https://doaj.org/article/7328b4345aec4e45897b8ce1da5b3a25 EN eng Frontiers Media S.A. https://www.frontiersin.org/article/10.3389/feart.2019.00061/full https://doaj.org/toc/2296-6463 2296-6463 doi:10.3389/feart.2019.00061 https://doaj.org/article/7328b4345aec4e45897b8ce1da5b3a25 Frontiers in Earth Science, Vol 7 (2019) Kodiak Island Holocene pollen macrofossils isotopes carbon sequestration Science Q article 2019 ftdoajarticles https://doi.org/10.3389/feart.2019.00061 2022-12-31T04:17:53Z At Phalarope Pond, western Kodiak Island, a multidisciplinary study using pollen and spores, macrofossils, stable isotopes, and carbon accumulation provides the Holocene vegetation and climate history following the deglaciation that began over 16,000 cal years ago (yr BP). Following a cold and dry Younger Dryas, a warm and wet early Holocene was characterized by abundant ferns in a sedge tundra environment with maximum carbon accumulation, similar to high latitude peatlands globally. About 8,700 cal yr BP sedge and ferns declined and climate remained warm as drier conditions prevailed, limiting carbon sequestration. The abrupt shift in D/H isotopes of about 60% indicates a shift to cooler conditions or a more distal moisture source. Neoglaciation beginning about 3,700 cal yr BP is evident from increases in Artemisia, Empetrum and Betula, signifying cooler conditions, while Alnus declines, paralleling regional trends. Article in Journal/Newspaper Kodiak Tundra Alaska Directory of Open Access Journals: DOAJ Articles Frontiers in Earth Science 7 |
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Open Polar |
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Directory of Open Access Journals: DOAJ Articles |
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ftdoajarticles |
language |
English |
topic |
Kodiak Island Holocene pollen macrofossils isotopes carbon sequestration Science Q |
spellingShingle |
Kodiak Island Holocene pollen macrofossils isotopes carbon sequestration Science Q Dorothy M. Peteet Jonathan E. Nichols Daniel H. Mann Holocene Vegetation, Climate, and Carbon History on Western Kodiak Island, Alaska |
topic_facet |
Kodiak Island Holocene pollen macrofossils isotopes carbon sequestration Science Q |
description |
At Phalarope Pond, western Kodiak Island, a multidisciplinary study using pollen and spores, macrofossils, stable isotopes, and carbon accumulation provides the Holocene vegetation and climate history following the deglaciation that began over 16,000 cal years ago (yr BP). Following a cold and dry Younger Dryas, a warm and wet early Holocene was characterized by abundant ferns in a sedge tundra environment with maximum carbon accumulation, similar to high latitude peatlands globally. About 8,700 cal yr BP sedge and ferns declined and climate remained warm as drier conditions prevailed, limiting carbon sequestration. The abrupt shift in D/H isotopes of about 60% indicates a shift to cooler conditions or a more distal moisture source. Neoglaciation beginning about 3,700 cal yr BP is evident from increases in Artemisia, Empetrum and Betula, signifying cooler conditions, while Alnus declines, paralleling regional trends. |
format |
Article in Journal/Newspaper |
author |
Dorothy M. Peteet Jonathan E. Nichols Daniel H. Mann |
author_facet |
Dorothy M. Peteet Jonathan E. Nichols Daniel H. Mann |
author_sort |
Dorothy M. Peteet |
title |
Holocene Vegetation, Climate, and Carbon History on Western Kodiak Island, Alaska |
title_short |
Holocene Vegetation, Climate, and Carbon History on Western Kodiak Island, Alaska |
title_full |
Holocene Vegetation, Climate, and Carbon History on Western Kodiak Island, Alaska |
title_fullStr |
Holocene Vegetation, Climate, and Carbon History on Western Kodiak Island, Alaska |
title_full_unstemmed |
Holocene Vegetation, Climate, and Carbon History on Western Kodiak Island, Alaska |
title_sort |
holocene vegetation, climate, and carbon history on western kodiak island, alaska |
publisher |
Frontiers Media S.A. |
publishDate |
2019 |
url |
https://doi.org/10.3389/feart.2019.00061 https://doaj.org/article/7328b4345aec4e45897b8ce1da5b3a25 |
genre |
Kodiak Tundra Alaska |
genre_facet |
Kodiak Tundra Alaska |
op_source |
Frontiers in Earth Science, Vol 7 (2019) |
op_relation |
https://www.frontiersin.org/article/10.3389/feart.2019.00061/full https://doaj.org/toc/2296-6463 2296-6463 doi:10.3389/feart.2019.00061 https://doaj.org/article/7328b4345aec4e45897b8ce1da5b3a25 |
op_doi |
https://doi.org/10.3389/feart.2019.00061 |
container_title |
Frontiers in Earth Science |
container_volume |
7 |
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1766058904820645888 |