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NCAR Climate Data Guide Content with Tag: Southern Ocean

Amundsen Sea Low indices
Years of Record: 1979/01 to 2020/01
The Amundsen Sea Low (ASL) is a climatological low pressure center located over the extreme southern Pacific Ocean, off the coast of West Antarctica.  Atmospheric variability in this region is larger than anywhere else in the Southern Hemisphere, and exhibits significant correlations with both...
Main variables and Earth System components:
Formats: ascii | csv Timestep: Monthly,Seasonal,Annual Domain: Antarctic, SH - Southern Hemisphere, Southern Ocean
See Expert Guidance by Hosking, Scott
CARINA: Carbon in the North Altantic
Years of Record: 1978/01 to 2006/12
The CARINA (CARbon dioxide IN the Atlantic Ocean) data synthesis project is an international collaborative effort of the EU IP CARBOOCEAN, and US partners. It has produced a merged internally consistent data set of open ocean subsurface measurements for biogeochemical investigations, in particular...
Main variables and Earth System components:
Formats: ascii Timestep: Sub-daily Domain: Arctic, Atlantic Ocean, Southern Ocean
Marshall Southern Annular Mode (SAM) Index (Station-based)
Years of Record: 1957/01 to 2015/09
The station-based index of the Southern Annular Mode (SAM) is based on the zonal pressure difference between the latitudes of 40S and 65S.  As such, the SAM index measures a "see-saw" of atmospheric mass between the middle and high latitudes of the Southern Hemisphere.  Positive values of...
Main variables and Earth System components:
Formats: ascii Domain: Antarctic, SH - Southern Hemisphere, Southern Ocean
See Expert Guidance by Marshall, Gareth
Annual mean 850hPa westerly wind component (contributed by T Bracegirdle)
Southern Hemisphere westerly jet strength and position
Years of Record: 1979/12 to 2016/12
The dynamics of the Southern Hemisphere westerly jet are described in terms of two indices, jet strength and jet latitude.  Here, these indices are defined using the ERA-Interim reanalysis, although other datasets, including climate models, could be used.  Although closely linked with the...
Main variables and Earth System components:
Formats: ascii Timestep: Seasonal,Annual Domain: Antarctic, SH - Southern Hemisphere, Southern Ocean
See Expert Guidance by Bracegirdle, Thomas J.
Streamfunction map (contributed by M. Mazloff)
Southern Ocean State Estimate (SOSE)
Years of Record: 2005/01 to 2010/12
The Southern Ocean State Estimate (SOSE) is a model-generated best fit to Southern Ocean observations.  As such, it provides a quantitatively useful climatology of the mean-state of the Southern Ocean.  Technically, SOSE is a solution to the MITgcm.  SOSE is a gridded dataset at 1/6...
Formats: binary Timestep: Daily,Monthly,Weekly,Annual Domain: Antarctic, SH - Southern Hemisphere, Southern Ocean
See Expert Guidance by Mazloff, Matthew
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