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Late Miocene Onset ...
Late Miocene Onset of Tasman Leakage and Southern Hemisphere Supergyre Ushers in Near-Modern Circulation
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- Christensen, Beth A. (författare)
- Rowan Univ, Sch Earth & Environm, Dept Environm Sci, Glassboro, NJ 08028 USA.
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- De Vleeschouwer, David (författare)
- Univ Bremen, MARUM Ctr Marine Environm Sci, Bremen, Germany.
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- Henderiks, Jorijntje (författare)
- Uppsala universitet,Paleobiologi
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- Groeneveld, Jeroen (författare)
- Bremen Univ, Dept Geosci, Bremen, Germany.;Hamburg Univ, Dept Earth Sci, Hamburg, Germany.
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- Auer, Gerald (författare)
- Karl Franzens Univ Graz, NAWI Graz Geoctr, Inst Earth Sci Geol & Paleontol, Graz, Austria.
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- Drury, Anna Joy (författare)
- UCL, Dept Earth Sci, London, England.
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- Karatsolis, Boris-Theofanis (författare)
- Uppsala universitet,Paleobiologi
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- Lyu, Jing (författare)
- Univ Bremen, MARUM Ctr Marine Environm Sci, Bremen, Germany.
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- Betzler, Christian (författare)
- Hamburg Univ, Dept Earth Sci, Hamburg, Germany.
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- Eberli, Gregor P. (författare)
- Univ Miami, Rosenstiel Sch Marine & Atmospher Sci, Dept Geosci, Miami, FL USA.
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- Kroon, Dick (författare)
- Univ Edinburgh, Sch Geosci, Edinburgh, Midlothian, Scotland.
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Rowan Univ, Sch Earth & Environm, Dept Environm Sci, Glassboro, NJ 08028 USA Univ Bremen, MARUM Ctr Marine Environm Sci, Bremen, Germany. (creator_code:org_t)
- American Geophysical Union (AGU), 2021
- 2021
- Engelska.
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Ingår i: Geophysical Research Letters. - : American Geophysical Union (AGU). - 0094-8276 .- 1944-8007. ; 48:18
- Relaterad länk:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- This study provides a Miocene-to-recent history of Tasman Leakage (TL), driving surface-to-intermediate waters from the Pacific into the Indian Ocean. TL, in addition to Indonesian ThroughFlow (ITF), constitutes an important part of the Southern Hemisphere Supergyre. Here, we employ deep-sea benthic delta C-13 timeseries from the southwestern Pacific and eastern Indian Oceans to identify the history of Tasman Leakage. The delta C-13 results combined with sedimentary evidence show that an inter-ocean connection south of Australia existed from 7 Ma onward. A southward shift in Westerlies combined with a northward movement of Australia created the oceanic corridor necessary for Tasman Leakage (between Australia and the sub-Antarctic Front) at this time. Furthermore, changes in the northern limb of the Supergyre (ITF) are evident in the sedimentary record on Broken Ridge from similar to 3 to 2 Ma when Banda Sea intermediate waters started originating from the North Pacific.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Multidisciplinär geovetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geosciences, Multidisciplinary (hsv//eng)
Nyckelord
- Tasman Leakage
- ITF
- late Miocene
- Australia
- intermediate water
- Southern Hemisphere Supergyre
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Christensen, Bet ...
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De Vleeschouwer, ...
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Henderiks, Jorij ...
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Groeneveld, Jero ...
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Auer, Gerald
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Drury, Anna Joy
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visa fler...
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Karatsolis, Bori ...
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Lyu, Jing
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Betzler, Christi ...
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Eberli, Gregor P ...
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Kroon, Dick
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