Climate data guide content with tag Marshall, Gareth
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Marshall Southern Annular Mode (SAM) Index (Station-based)
Years of record
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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 the SAM index correspond with stronger-than-average westerlies over the…
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Formats
- ascii
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Timestep
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Collections
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Experts contributing reviews
- Marshall, Gareth