Trace gas measurements, basal glacial meltwater fractions, and water ages during RV POLARSTERN cruise PS124, Southern Weddell Sea

This datset presents trace gas measurements and derived variables such as basal glacial meltwater (GMW) fractions and water mass ages from the RV POLARSTERN expedition PS124 in the southern Weddell Sea in austral summer 2021. The trace gases comprise the lighter noble gases, i.e., total helium (He) and the excess above solubility equilibrium ΔHe, the 3He/4He ratio reported as δ3He, total neon (Ne) and the excess ΔNe, and the deviation from the equilibrium He/Ne ratio Δ(He/Ne), as well as the transient anthropogenic trace gases chlorofluorocarbon (CFC-12) and sulphur hexafluoride (SF6) concentrations. From these noble gases (He and Ne) we derived glacial meltwater fractions. From the transient tracers we computed SF6-concentration ages, CFC-12/SF6 ratio ages and TTD (Transit Time Distribution) mean ages.

Simple

Date (Publication)
Edition

http://localhost:8080/demodem/editioin

Status
Completed
Originator
  Alfred-Wegener-Institut Helmholtz-Zentrum Fur Polar- Und Meeresforschung (AWI) - ( )
Maintenance and update frequency
As needed
Theme

  • Southern Ocean
Place

  • World

Continents, countries, sea regions of the world.

  • Antarctica

  • Antarctic freshwater bodies

Global Change Master Directory (GCMD) Keywords

  • POTENTIAL TEMPERATURE

  • WATER PRESSURE

  • GLACIER MELT

  • CFC-12

  • SALINITY

  • NOBLE GAS
Access constraints
License
Use constraints
License
Other constraints

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


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Spatial representation type
Vector
Language
English
Character set
UTF8
Topic category
  • Boundaries
Begin date
2021-02-08
End date
2021-03-09
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S
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W
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Reference system identifier
WGS 1984
OnLine resource
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OnLine resource
OCEAN ICE Zenodo Community ( WWW:LINK-1.0-http--link )

Related publication under the OCEAN ICE Zenodo Community

OnLine resource
OCEAN ICE Zenodo Community ( WWW:LINK-1.0-http--link )

Related publication under the OCEAN ICE Zenodo Community

OnLine resource
Source Metadata Record ( WWW:LINK-1.0-http--link )

Original metadata record from the source (Argo)

OnLine resource
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SOOSmap is an interactive web portal for oceanographic data visualisation and dissemination developed and hosted for SOOS by the European Marine Observations and Data Network (EMODnet) Physics and supported by the Southern Ocean Carbon and Heat Impact on Climate (SO-CHIC) project.

Hierarchy level
Dataset
File identifier
835ccb81-ab13-4aec-81ab-de60a4e65d3a XML
Metadata language
English
Character set
UTF8
Date stamp
2026-08-06T09:45:12
Metadata standard name

ISO 19115:2003/19139
Metadata standard version

1.0
Author
  ETT S.p.A. - ( )
 
 

Overviews

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Spatial extent

N
S
E
W
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Keywords

Southern Ocean
Global Change Master Directory (GCMD) Keywords
CFC-12 GLACIER MELT NOBLE GAS POTENTIAL TEMPERATURE SALINITY WATER PRESSURE

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