Environmental changes of the last 1000 years on Prince of Wales Island, Nunavut, Canada
A pollen record from a lake sediment core from southeastern Prince of Wales Island, Nunavut, Canada (SW08; 72.3177, −97.2678, 104 m a.s.l) provides the first high-resolution July temperature reconstruction for the last 1,000 years for the central Canadian Arctic Archipelago. The vegetation underwent...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
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Taylor & Francis Group
2019-01-01
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| Series: | Arctic, Antarctic, and Alpine Research |
| Subjects: | |
| Online Access: | http://dx.doi.org/10.1080/15230430.2019.1640527 |
| _version_ | 1818385730236317696 |
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| author | Camille Tamo K. Gajewski |
| author_facet | Camille Tamo K. Gajewski |
| author_sort | Camille Tamo |
| collection | DOAJ |
| description | A pollen record from a lake sediment core from southeastern Prince of Wales Island, Nunavut, Canada (SW08; 72.3177, −97.2678, 104 m a.s.l) provides the first high-resolution July temperature reconstruction for the last 1,000 years for the central Canadian Arctic Archipelago. The vegetation underwent marked transitions during the Little Ice Age (LIA; 1500–1800 CE) and Medieval Climate Anomaly (MCA; 1090–1250 CE), which was primarily observed in the proportion of Cyperaceae, Poaceae, and Salix pollen. Cyperaceae pollen was highest in the samples corresponding to the MCA, whereas Poaceae increased during the LIA. In the last 30 years, Salix and Betula pollen increased. The mean July temperature reconstruction showed a long-term cooling from 1080–1915 CE with a sustained cold period from 1800–1915 CE prior to twentieth-century warming. A synthesis of paleoclimate records from across the Arctic demonstrates that pollen-based reconstructions record both high and low frequency climate variability, when sampling resolution is sufficient, and can improve regional climate reconstructions. |
| first_indexed | 2024-12-14T03:42:48Z |
| format | Article |
| id | doaj.art-3c6e1847f01d4a7da301d831bd66aff8 |
| institution | Directory Open Access Journal |
| issn | 1523-0430 1938-4246 |
| language | English |
| last_indexed | 2024-12-14T03:42:48Z |
| publishDate | 2019-01-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | Arctic, Antarctic, and Alpine Research |
| spelling | doaj.art-3c6e1847f01d4a7da301d831bd66aff82022-12-21T23:18:26ZengTaylor & Francis GroupArctic, Antarctic, and Alpine Research1523-04301938-42462019-01-0151134836510.1080/15230430.2019.16405271640527Environmental changes of the last 1000 years on Prince of Wales Island, Nunavut, CanadaCamille Tamo0K. Gajewski1University of OttawaUniversity of OttawaA pollen record from a lake sediment core from southeastern Prince of Wales Island, Nunavut, Canada (SW08; 72.3177, −97.2678, 104 m a.s.l) provides the first high-resolution July temperature reconstruction for the last 1,000 years for the central Canadian Arctic Archipelago. The vegetation underwent marked transitions during the Little Ice Age (LIA; 1500–1800 CE) and Medieval Climate Anomaly (MCA; 1090–1250 CE), which was primarily observed in the proportion of Cyperaceae, Poaceae, and Salix pollen. Cyperaceae pollen was highest in the samples corresponding to the MCA, whereas Poaceae increased during the LIA. In the last 30 years, Salix and Betula pollen increased. The mean July temperature reconstruction showed a long-term cooling from 1080–1915 CE with a sustained cold period from 1800–1915 CE prior to twentieth-century warming. A synthesis of paleoclimate records from across the Arctic demonstrates that pollen-based reconstructions record both high and low frequency climate variability, when sampling resolution is sufficient, and can improve regional climate reconstructions.http://dx.doi.org/10.1080/15230430.2019.1640527quantitative paleoclimate reconstructionpollenmedieval climate anomalylittle ice agecommon eraarctic |
| spellingShingle | Camille Tamo K. Gajewski Environmental changes of the last 1000 years on Prince of Wales Island, Nunavut, Canada Arctic, Antarctic, and Alpine Research quantitative paleoclimate reconstruction pollen medieval climate anomaly little ice age common era arctic |
| title | Environmental changes of the last 1000 years on Prince of Wales Island, Nunavut, Canada |
| title_full | Environmental changes of the last 1000 years on Prince of Wales Island, Nunavut, Canada |
| title_fullStr | Environmental changes of the last 1000 years on Prince of Wales Island, Nunavut, Canada |
| title_full_unstemmed | Environmental changes of the last 1000 years on Prince of Wales Island, Nunavut, Canada |
| title_short | Environmental changes of the last 1000 years on Prince of Wales Island, Nunavut, Canada |
| title_sort | environmental changes of the last 1000 years on prince of wales island nunavut canada |
| topic | quantitative paleoclimate reconstruction pollen medieval climate anomaly little ice age common era arctic |
| url | http://dx.doi.org/10.1080/15230430.2019.1640527 |
| work_keys_str_mv | AT camilletamo environmentalchangesofthelast1000yearsonprinceofwalesislandnunavutcanada AT kgajewski environmentalchangesofthelast1000yearsonprinceofwalesislandnunavutcanada |