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Data Publisher for Earth & Environmental Science

Petrick, Benjamin F; Martínez-García, Alfredo; Auer, Gerald; Reuning, Lars; Auderset, Alexandra; Deik, Hanaa; Takayanagi, Hideko; De Vleeschouwer, David; Iryu, Yasufumi; Haug, Gerald H (2020): Orbital-scale reconstruction of sea surface temperature (SST) changes at IODP Site U1460 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.913189

Always quote citation above when using data! You can download the citation in several formats below.

Published: 2020-03-06 • DOI registered: 2020-04-28

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Abstract:
The Indonesian Throughflow (ITF) controls the oceanic flux of heat and salt between the Pacific and Indian Oceans and therewith plays an important role in modulating the meridional overturning circulation and low latitude hydrological cycle. Here, we report new sea surface temperature and aridity records from the west coast of Australia (IODP Site U1460), which allow us to assess the sensitivity of the eastern Indian Ocean to the major reorganization of Earth's climate that occurred during the Mid-Pleistocene Transition. Our records indicate glacial coolings at 1.55 and 0.65 million years ago that are best explained by a weakening of the ITF as a consequence of global sea level and tectonic changes. These coincide with the development of pronounced gradients in the carbon isotope composition of the different ocean basins and with substantial changes in regional aridity, suggesting that the restrictions of the ITF influenced both the evolution of global ocean circulation and the development of the modern hydrological cycle in Western Australia.
Supplement to:
Petrick, Benjamin F; Martínez-García, Alfredo; Auer, Gerald; Reuning, Lars; Auderset, Alexandra; Deik, Hanaa; Takayanagi, Hideko; De Vleeschouwer, David; Iryu, Yasufumi; Haug, Gerald H (2019): Glacial Indonesian Throughflow weakening across the Mid-Pleistocene Climatic Transition. Scientific Reports, 9(1), https://doi.org/10.1038/s41598-019-53382-0
Project(s):
Integrated Ocean Drilling Program / International Ocean Discovery Program (IODP)
Coverage:
Latitude: -27.374800 * Longitude: 112.923600
Date/Time Start: 2015-08-12T20:50:00 * Date/Time End: 2015-08-12T20:50:00
Minimum DEPTH, sediment/rock: 0.000 m * Maximum DEPTH, sediment/rock: 281.850 m
Event(s):
356-U1460 * Latitude: -27.374800 * Longitude: 112.923600 * Date/Time: 2015-08-12T20:50:00 * Campaign: Exp356 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 DEPTH, sediment/rockDepth sedmPetrick, Benjamin FGeocode
2 AGEAgeka BPPetrick, Benjamin FGeocode – Time 1460 Baysapr
3 Sea surface temperatureSST°CPetrick, Benjamin FSST, from TEX86H
4 Sea surface temperatureSST°CPetrick, Benjamin FSST, from TEX86Bayspar
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
664 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 
Depth sed [m]		2 
Age [ka BP]
(Time 1460 Baysapr)		3 
SST [°C]
(SST, from TEX86H)		4 
SST [°C]
(SST, from TEX86Bayspar)
0.0002.50248783126.16682648026.19320023
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