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Optimized Physical Tracer (OPT) reconstructions for past global ocean surface temperature, salinity and stable oxygen isotopes

Global ocean surface Optimized Physical Tracer (OPT) reconstructions of temperature, salinity and stable oxygen isotopes (δ18O) at past times reconstructed from modern interior ocean observations. Modern co-located observations of temperature, salinity and δ18O from NASA-GISS (Schmidtet al., 1999) and CISE-LOCEAN (Reverdin et al., 2022) datasets were assimilated into a steady state observation-based circulation model, the Total Matrix Intercomparsion (TMI; Gebbie and Huybers., 2010, 2012).

Simple

Date (Publication)
2025-04-14
Status
Completed
Originator
  NORCE Research AS - Davila Rodriguez, Xabier ( )
  NORCE Research AS - McDonagh, Elaine
  Woods Hole Oceanographic Institution - Hamilton, Brynnydd
  Woods Hole Oceanographic Institution - Gebbie, Geoffrey
Maintenance and update frequency
As needed
Keywords
Place

Continents, countries, sea regions of the world.

  • Antarctica

  • Southern Ocean

Global Change Master Directory (GCMD) Keywords

  • WATER TEMPERATURE

  • OXYGEN ISOTOPES

  • SALINITY

Access constraints
License
Use constraints
License
Other constraints

CC-BY 4.0 https://creativecommons.org/licenses/by/4.0

Spatial representation type
Grid
Language

eng

Character set
UTF8
Topic category
  • Boundaries
N
S
E
W
thumbnail


Reference system identifier
WGS 1984
Number of dimensions
3
Dimension name
Row
Dimension name
Column
Dimension name
Vertical
Cell geometry
Area
OnLine resource
OCEAN ICE Zenodo Community ( WWW:LINK-1.0-http--link )

Related publication under the OCEAN ICE Zenodo Community

Hierarchy level
Dataset
File identifier
bb8e6053-55a3-473d-935e-518fa3b7ecde XML
Metadata language
English
Character set
UTF8
Date stamp
2026-08-21T14:42:07
Metadata standard name

ISO 19115:2003/19139

Metadata standard version

1.0

Distributor
  ETT S.p.A. - ( )
 
 

Overviews

overview

Spatial extent

N
S
E
W
thumbnail


Keywords

Global Change Master Directory (GCMD) Keywords
OXYGEN ISOTOPES SALINITY WATER TEMPERATURE

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Associated resources

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