Sea-surface reconstructions of the western Pacific Ocean during the last 5.3 million years, supplement to: Wang, Luejiang (1994): Sea surface temperature history of the low latitude western Pacific during the last 5.3 million years. Palaeogeography, Palaeoclimatology, Palaeoecology, 108(3-4), 379-436
The late Neogene was a time of cryosphere development in the northern hemisphere. The present study was carried out to estimate the sea surface temperature (SST) change during this period based on the quantitative planktonic foraminiferal data of 8 DSDP sites in the western Pacific. Target factor an...
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Online Access: | https://dx.doi.org/10.1594/pangaea.702146 https://doi.pangaea.de/10.1594/PANGAEA.702146 |
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ftdatacite:10.1594/pangaea.702146 2023-05-15T13:47:07+02:00 Sea-surface reconstructions of the western Pacific Ocean during the last 5.3 million years, supplement to: Wang, Luejiang (1994): Sea surface temperature history of the low latitude western Pacific during the last 5.3 million years. Palaeogeography, Palaeoclimatology, Palaeoecology, 108(3-4), 379-436 Wang, Luejiang 1994 application/zip https://dx.doi.org/10.1594/pangaea.702146 https://doi.pangaea.de/10.1594/PANGAEA.702146 en eng PANGAEA - Data Publisher for Earth & Environmental Science https://dx.doi.org/10.1016/0031-0182(94)90244-5 Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 CC-BY Drilling/drill rig Piston corer Leg7 Leg20 Leg30 Leg31 Leg58 Leg59 Leg86 V12 Glomar Challenger Vema Deep Sea Drilling Project DSDP article Supplementary Collection of Datasets Collection 1994 ftdatacite https://doi.org/10.1594/pangaea.702146 https://doi.org/10.1016/0031-0182(94)90244-5 2022-02-09T12:07:01Z The late Neogene was a time of cryosphere development in the northern hemisphere. The present study was carried out to estimate the sea surface temperature (SST) change during this period based on the quantitative planktonic foraminiferal data of 8 DSDP sites in the western Pacific. Target factor analysis has been applied to the conventional transfer function approach to overcome the no-analog conditions caused by evolutionary faunal changes. By applying this technique through a combination of time-slice and time-series studies, the SST history of the last 5.3 Ma has been reconstructed for the low latitude western Pacific. Although the present data set is close to the statistical limits of factor analysis, the clear presence of sensible variations in individual SST time-series suggests the feasibility and reliability of this method in paleoceanographic studies. The estimated SST curves display the general trend of the temperature fluctuations and reveal three major cool periods in the late Neogene, i.e. the early Pliocene (4.7 3.5 Ma), the late Pliocene (3.1-2.7 Ma), and the latest Pliocene to early Pleistocene (2.2-1.0 Ma). Cool events are reflected in the increase of seasonality and meridional SST gradient in the subtropical area. The latest Pliocene to early Pleistocene cooling is most important in the late Neogene climatic evolution. It differs from the previous cool events in its irreversible, steplike change in SST, which established the glacial climate characteristic of the late Pleistocene. The winter and summer SST decreased by 3.3-5.4°C and 1.0 2.1C in the subtropics, by 0.9°C and 0.6C in the equatorial region, and showed little or no cooling in the tropics. Moreover, this cooling event occurred as a gradual SST decrease during 2.2 1.0 Ma at the warmer subtropical sites, while that at cooler subtropical site was an abrupt SST drop at 2.2 Ma. In contrast, equatorial and tropical western Pacific experienced only minor SST change in the entire late Neogene. In general, subtropics was much more sensitive to climatic forcing than tropics and the cooling events were most extensive in the cooler subtropics. The early Pliocene cool periods can be correlated to the Antarctic ice volume fluctuation, and the latest Pliocene early Pleistocene cooling reflects the climatic evolution during the cryosphere development of the northern hemisphere. Article in Journal/Newspaper Antarc* Antarctic DataCite Metadata Store (German National Library of Science and Technology) Antarctic Pacific The Antarctic |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
Drilling/drill rig Piston corer Leg7 Leg20 Leg30 Leg31 Leg58 Leg59 Leg86 V12 Glomar Challenger Vema Deep Sea Drilling Project DSDP |
spellingShingle |
Drilling/drill rig Piston corer Leg7 Leg20 Leg30 Leg31 Leg58 Leg59 Leg86 V12 Glomar Challenger Vema Deep Sea Drilling Project DSDP Wang, Luejiang Sea-surface reconstructions of the western Pacific Ocean during the last 5.3 million years, supplement to: Wang, Luejiang (1994): Sea surface temperature history of the low latitude western Pacific during the last 5.3 million years. Palaeogeography, Palaeoclimatology, Palaeoecology, 108(3-4), 379-436 |
topic_facet |
Drilling/drill rig Piston corer Leg7 Leg20 Leg30 Leg31 Leg58 Leg59 Leg86 V12 Glomar Challenger Vema Deep Sea Drilling Project DSDP |
description |
The late Neogene was a time of cryosphere development in the northern hemisphere. The present study was carried out to estimate the sea surface temperature (SST) change during this period based on the quantitative planktonic foraminiferal data of 8 DSDP sites in the western Pacific. Target factor analysis has been applied to the conventional transfer function approach to overcome the no-analog conditions caused by evolutionary faunal changes. By applying this technique through a combination of time-slice and time-series studies, the SST history of the last 5.3 Ma has been reconstructed for the low latitude western Pacific. Although the present data set is close to the statistical limits of factor analysis, the clear presence of sensible variations in individual SST time-series suggests the feasibility and reliability of this method in paleoceanographic studies. The estimated SST curves display the general trend of the temperature fluctuations and reveal three major cool periods in the late Neogene, i.e. the early Pliocene (4.7 3.5 Ma), the late Pliocene (3.1-2.7 Ma), and the latest Pliocene to early Pleistocene (2.2-1.0 Ma). Cool events are reflected in the increase of seasonality and meridional SST gradient in the subtropical area. The latest Pliocene to early Pleistocene cooling is most important in the late Neogene climatic evolution. It differs from the previous cool events in its irreversible, steplike change in SST, which established the glacial climate characteristic of the late Pleistocene. The winter and summer SST decreased by 3.3-5.4°C and 1.0 2.1C in the subtropics, by 0.9°C and 0.6C in the equatorial region, and showed little or no cooling in the tropics. Moreover, this cooling event occurred as a gradual SST decrease during 2.2 1.0 Ma at the warmer subtropical sites, while that at cooler subtropical site was an abrupt SST drop at 2.2 Ma. In contrast, equatorial and tropical western Pacific experienced only minor SST change in the entire late Neogene. In general, subtropics was much more sensitive to climatic forcing than tropics and the cooling events were most extensive in the cooler subtropics. The early Pliocene cool periods can be correlated to the Antarctic ice volume fluctuation, and the latest Pliocene early Pleistocene cooling reflects the climatic evolution during the cryosphere development of the northern hemisphere. |
format |
Article in Journal/Newspaper |
author |
Wang, Luejiang |
author_facet |
Wang, Luejiang |
author_sort |
Wang, Luejiang |
title |
Sea-surface reconstructions of the western Pacific Ocean during the last 5.3 million years, supplement to: Wang, Luejiang (1994): Sea surface temperature history of the low latitude western Pacific during the last 5.3 million years. Palaeogeography, Palaeoclimatology, Palaeoecology, 108(3-4), 379-436 |
title_short |
Sea-surface reconstructions of the western Pacific Ocean during the last 5.3 million years, supplement to: Wang, Luejiang (1994): Sea surface temperature history of the low latitude western Pacific during the last 5.3 million years. Palaeogeography, Palaeoclimatology, Palaeoecology, 108(3-4), 379-436 |
title_full |
Sea-surface reconstructions of the western Pacific Ocean during the last 5.3 million years, supplement to: Wang, Luejiang (1994): Sea surface temperature history of the low latitude western Pacific during the last 5.3 million years. Palaeogeography, Palaeoclimatology, Palaeoecology, 108(3-4), 379-436 |
title_fullStr |
Sea-surface reconstructions of the western Pacific Ocean during the last 5.3 million years, supplement to: Wang, Luejiang (1994): Sea surface temperature history of the low latitude western Pacific during the last 5.3 million years. Palaeogeography, Palaeoclimatology, Palaeoecology, 108(3-4), 379-436 |
title_full_unstemmed |
Sea-surface reconstructions of the western Pacific Ocean during the last 5.3 million years, supplement to: Wang, Luejiang (1994): Sea surface temperature history of the low latitude western Pacific during the last 5.3 million years. Palaeogeography, Palaeoclimatology, Palaeoecology, 108(3-4), 379-436 |
title_sort |
sea-surface reconstructions of the western pacific ocean during the last 5.3 million years, supplement to: wang, luejiang (1994): sea surface temperature history of the low latitude western pacific during the last 5.3 million years. palaeogeography, palaeoclimatology, palaeoecology, 108(3-4), 379-436 |
publisher |
PANGAEA - Data Publisher for Earth & Environmental Science |
publishDate |
1994 |
url |
https://dx.doi.org/10.1594/pangaea.702146 https://doi.pangaea.de/10.1594/PANGAEA.702146 |
geographic |
Antarctic Pacific The Antarctic |
geographic_facet |
Antarctic Pacific The Antarctic |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_relation |
https://dx.doi.org/10.1016/0031-0182(94)90244-5 |
op_rights |
Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/pangaea.702146 https://doi.org/10.1016/0031-0182(94)90244-5 |
_version_ |
1766246372269359104 |