Conveying that sinking feeling
Article Abstract:
New research indicates that before the industrial revolution carbon dioxide concentrations were higher in the Southern Hemisphere as the Atlantic Ocean's circulation moved large quantities of atmospheric carbon dioxide from the Northern to the Southern Hemisphere and back again. The research, by Wallace Broecker and Tsung-Hung Peng, also shows that the Atlantic Ocean's absorption of carbon dioxide from the atmosphere has probably increased substantially since pre-industrial times. Further research is needed to clarify the oceans' role in controlling carbon dioxide.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1992
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Deep ocean circulation puzzle
Article Abstract:
Shifts in ocean circulation 10,000 years ago did not induce a change in the glacial climate then prevailing, which undermines the assumption that deep ocean circulation affects climate. Two research teams, S.J. Lehman and L.D. Keigwin and T. Veum and colleagues, reached these conclusions after studying North Atlantic core data from the Younger Dryas cold episode, a short glacial period that temporarily halted the warming trend that ended the last Ice Age. With global warming looming as a threat, further research on the causes of climatic changes is needed.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1992
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Warming of the tropical Atlantic Ocean and slowdown of thermohaline circulation during the last deglaciation
Article Abstract:
Rapid reorganization of ocean circulation is believed to exert some control over climate changes on millennial and shorter timescales, as well as shifts in concentrations of atmospheric greenhouse gases. A high-temporal-resolution record of sea surface temperatures from the western tropical North Atlantic Ocean, spanning 29,000 years, is presented, and significant warming is found to be documented for Heinrich event H1 and the Younger Dryas event, indicating that thermohaline circulation was significant in triggering such rapid climate changes.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1999
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- Abstracts: Ice-sheet variability around the North Atlantic Ocean during the last deglaciation. Ice sheets by volume
- Abstracts: Correlation between climate events in the North Atlantic and China during the last glaciation. Evolution of Asian monsoons and phased uplift of the Himalaya-Tibetan plateau since Late Miocene times
- Abstracts: Intensified deep Pacific inflow and ventilation in Pleistocene glacial times. Atmospheric carbon dioxide concentrations over the past 60 million years
- Abstracts: Caribou calf production and seasonal range quality during a population decline. part 2 Habitat and diet selection by muskoxen and reindeer in western Alaska
- Abstracts: Economically destructive fires and biodiversity conservation: an Australian perspective. Primate hotspots on Borneo: predictive value for general biodiversity and the effects of taxonomy