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Anomalies of pH, mixed layer depth, and salinity

Anomalies of pH, mixed layer depth, and salinity. Adapted from Dore et al. 2009, Proc Natl Acad Sci USA 106:12235. What happened to salinity starting in 2007-2008? Strong La Nina, but we had that in 1999-2001. Greater depth of penetration implies large spatial scale of forcing.

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Anomalies of pH, mixed layer depth, and salinity

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  1. Anomalies of pH, mixed layer depth, and salinity Adapted from Dore et al. 2009, Proc Natl Acad Sci USA 106:12235

  2. What happened to salinity starting in 2007-2008? Strong La Nina, but we had that in 1999-2001. Greater depth of penetration implies large spatial scale of forcing

  3. WHOTS Mooring Documents Upper Ocean Stratification Reduction From Salinity Trend

  4. 0.16/decade 0.4 °C/decade 0.1 kg m-3/decade Station ALOHA 20-year trends • Warming over much of upper ocean (x 275-350 m) • Peak warming 150-200 m (Smax), not surface • Salinity increasing in upper 200 m • Density increasing in upper 100 m • Stratification ↓ in upper ocean

  5. pCO2 of surface ocean and overlying atmosphere CO2 @ Mauna Loaand ALOHA

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