| _version_ | 1867169500332294144 |
|---|---|
| author | Bond, Gerard C Showers, William J Cheseby, Maziet Lotti, Rusty Almasi, Peter deMenocal, Peter B Priore, Paul Cullen, Heidi Hajdas, Irka Bonani, Georges |
| author_facet | Bond, Gerard C Showers, William J Cheseby, Maziet Lotti, Rusty Almasi, Peter deMenocal, Peter B Priore, Paul Cullen, Heidi Hajdas, Irka Bonani, Georges |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | Evidence from North Atlantic deep sea cores reveals that abrupt shifts punctuated what is conventionally thought to have been a relatively stable Holocene climate. During each of these episodes, cool, ice-bearing waters from north of Iceland were advected as far south as the latitude of Britain. At about the same times, the atmospheric circulation above Greenland changed abruptly. Pacings of the Holocene events and of abrupt climate shifts during the last glaciation are statistically the same; together, they make up a series of climate shifts with a cyclicity close to 1470 +/- 500 years. The Holocene events, therefore, appear to be the most recent manifestation of a pervasive millennial-scale climate cycle operating independently of the glacial-interglacial climate state. Amplification of the cycle during the last glaciation may have been linked to the North Atlantic's thermohaline circulation. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_730042 |
| institution | PANGAEA |
| language | en |
| publishDate | 1997 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Age determination of sediment cores from the North Atlantic Bond, Gerard C Showers, William J Cheseby, Maziet Lotti, Rusty Almasi, Peter deMenocal, Peter B Priore, Paul Cullen, Heidi Hajdas, Irka Bonani, Georges EW9303-GGC36; GGC; Giant gravity corer; PC; Piston corer; V19; V19-30; V23; V23-81; V28; V28-14; V29; V29-191; Vema Evidence from North Atlantic deep sea cores reveals that abrupt shifts punctuated what is conventionally thought to have been a relatively stable Holocene climate. During each of these episodes, cool, ice-bearing waters from north of Iceland were advected as far south as the latitude of Britain. At about the same times, the atmospheric circulation above Greenland changed abruptly. Pacings of the Holocene events and of abrupt climate shifts during the last glaciation are statistically the same; together, they make up a series of climate shifts with a cyclicity close to 1470 +/- 500 years. The Holocene events, therefore, appear to be the most recent manifestation of a pervasive millennial-scale climate cycle operating independently of the glacial-interglacial climate state. Amplification of the cycle during the last glaciation may have been linked to the North Atlantic's thermohaline circulation. |
| title | Age determination of sediment cores from the North Atlantic |
| topic | EW9303-GGC36; GGC; Giant gravity corer; PC; Piston corer; V19; V19-30; V23; V23-81; V28; V28-14; V29; V29-191; Vema |
| url | https://doi.org/10.1594/PANGAEA.730042 |