A regime shift in Southeast Greenland marine ecosystem ...
Two major oceanographic changes have recently propagated through several trophic levels in coastal areas of Southeast Greenland (SEG). Firstly, the amount of drift-ice exported from the Fram Strait and transported with the East Greenland Current (EGC) has decreased significantly over the past two de...
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| Format: | Dataset |
| Language: | English |
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Dryad
2022
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| Online Access: | https://dx.doi.org/10.5061/dryad.8sf7m0cs9 https://datadryad.org/stash/dataset/doi:10.5061/dryad.8sf7m0cs9 |
| Summary: | Two major oceanographic changes have recently propagated through several trophic levels in coastal areas of Southeast Greenland (SEG). Firstly, the amount of drift-ice exported from the Fram Strait and transported with the East Greenland Current (EGC) has decreased significantly over the past two decades, and a main tipping element (summer sea ice) has virtually disappeared since 2003 leading to a regime shift in oceanographic and ecological conditions in the region. The following 20-year period with low or no coastal sea ice is unique in the 200-year history of ice observations in the region, and the regime shift is also obvious in the volume of ice export through the Fram Strait after 2013. In the same period the temperature of the EGC south of 73.5N has increased significantly (>2oC) since 1980. Secondly, the warm Irminger Current, that advects warm, saline Atlantic Water into the region, has become warmer since 1990. The lack of pack ice in summer together with a warming ocean generated cascading ... : It is processed data from remote sensing, shore based observation and catch statistics ... |
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