West Antarctic Ice Sheet grounding events on the Ross Sea outer continental shelf during the middle Miocene
New seismic–stratigraphic analysis of the Ross Sea continental shelf suggests that there were a at least five shelf-wide grounding events of the West Antarctic Ice Sheet (WAIS) during the middle Miocene. Although the number of WAIS grounding events generally matches the number of extreme δ 18O enric...
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| Veröffentlicht in: | Palaeogeography, palaeoclimatology, palaeoecology palaeoclimatology, palaeoecology, 2003-09, Vol.198 (1), p.169-186 |
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| container_title | Palaeogeography, palaeoclimatology, palaeoecology |
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| creator | Chow, Juan M Bart, Philip J |
| description | New seismic–stratigraphic analysis of the Ross Sea continental shelf suggests that there were a at least five shelf-wide grounding events of the West Antarctic Ice Sheet (WAIS) during the middle Miocene. Although the number of WAIS grounding events generally matches the number of extreme δ
18O enrichments and eustatic lowstands, these results do not support the long-standing assumption that West Antarctica was substantially ice-free. Instead, seismic–stratigraphic evidence from the Ross Sea shelf documents waxing and waning of a well-developed WAIS in the marine environment at least on the Pacific sector of the West Antarctic continental shelf. |
| doi_str_mv | 10.1016/S0031-0182(03)00400-0 |
| format | Article |
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| identifier | ISSN: 0031-0182 |
| ispartof | Palaeogeography, palaeoclimatology, palaeoecology, 2003-09, Vol.198 (1), p.169-186 |
| issn | 0031-0182 1872-616X |
| language | eng |
| recordid | cdi_proquest_miscellaneous_18054147 |
| source | Elsevier ScienceDirect Journals Complete |
| subjects | glaciation ice sheet middle Miocene Ross Sea West Antarctica |
| title | West Antarctic Ice Sheet grounding events on the Ross Sea outer continental shelf during the middle Miocene |
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