20 likes | 100 Views
Stratification in the Tropics: AQ – ARGO –HYCOM – PMEL T. Meissner, F. Wentz, K, Hilburn, J. Scott, RSS. dry fresh bias ≈ - 0.1 psu. AQ – HYCOM (≈ 5 m) AQ – ARGO (5 m) AQ – PMEL (1 m). AQ dry Dry < 1 hour before AQ Rain 1 – 12 hours before AQ 1 m layer has mixed - 0.1 psu fresh surface.
E N D
Stratification in the Tropics: AQ – ARGO –HYCOM – PMELT. Meissner, F. Wentz, K, Hilburn, J. Scott, RSS dry fresh bias ≈ - 0.1 psu AQ – HYCOM (≈ 5 m) AQ – ARGO (5 m) AQ – PMEL (1 m) AQ dry Dry < 1 hour before AQ Rain 1 – 12 hours before AQ 1 m layer has mixed - 0.1 psu fresh surface Rain at AQ Freshening / surface splash AQ dry Rain < 1 hour before AQ Freshwater lensingin 5 m layer: up to – 0.4 psu MWR (CONAE, K/Ka-band) Rain at tine and location of AQ observation SSMIS F17 / WindSat Within 1 hour of AQ TMI varying time window HYCOMlargely proxy to ARGO
AQ – PMEL AQ – ARGO AQ – HYCOM salty HYCOM bias In fresh water outliers Aquarius meets 0.2 psu RMS accuracy requirement in tropics [15S, 15 N] with a potential small bias ( - 0.1 psu)