Ocean Fluxes in CarbonTracker Ocean Fluxes in CarbonTracker Andy Jacobson, Taro Takahashi, Colm Sweeney, David Ho, Roger Dargaville, and Rik Wanninkhof Andy Jacobson, Wouter Peters, Colm Sweeney, and the CarbonTracker Team Ocean Carbon Cycle Developments Ocean Carbon Cycle Developments • Ocean inversions • New Takahashi climatology • Gas exchange developments Southern Hemisphere anecdote
Ocean Carbon Cycle Developments. Ocean Fluxes in CarbonTracker. Andy Jacobson, Taro Takahashi, Colm Sweeney, David Ho, Roger Dargaville, and Rik Wanninkhof. Ocean inversions New Takahashi climatology Gas exchange developments. Andy Jacobson, Wouter Peters, Colm Sweeney, - PowerPoint PPT Presentation
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Ocean Fluxes in CarbonTrackerOcean Fluxes in CarbonTracker
Andy Jacobson, Taro Takahashi, Colm Sweeney, David Ho, Roger Dargaville, and Rik Wanninkhof
Andy Jacobson, Wouter Peters, Colm Sweeney, and the CarbonTracker Team
Ocean inversions give significantly different fluxes Ocean inversions give significantly different fluxes than ∆than ∆ppCOCO22 climatology climatology
Ocean inversions give significantly different fluxes Ocean inversions give significantly different fluxes than ∆than ∆ppCOCO22 climatology climatology
Ocean inversions give significantly different fluxes Ocean inversions give significantly different fluxes than ∆than ∆ppCOCO22 climatology climatology
Ocean inversions give significantly different fluxes Ocean inversions give significantly different fluxes than ∆than ∆ppCOCO22 climatology climatology
Takahashi Takahashi et al.et al. (2007) - New ∆ (2007) - New ∆ppCOCO22 Climatology Climatology
Annual mean flux is -1.22 PgC/yrAnnual mean flux is -1.22 PgC/yrReferenced to 2000 instead of 1995Referenced to 2000 instead of 1995
Takahashi Takahashi et al.et al. (2007) - New ∆ (2007) - New ∆ppCOCO22 Climatology Climatology
2.8 million obs2.8 million obs
Takahashi Takahashi et al.et al. (2007) - New ∆ (2007) - New ∆ppCOCO22 Climatology Climatology
NEGLIGIBLE Southern Ocean sinkNEGLIGIBLE Southern Ocean sink NCEP-2 Winds with Sweeney NCEP-2 Winds with Sweeney et al.et al. gas transfer gas transfer
Gas Transfer Velocity Parameterization UncertaintyGas Transfer Velocity Parameterization Uncertainty
120
100
80
60
40
20
0
k(600) (cm h
-1)
20151050u10 (m s
-1)
Liss and Merlivat, [1986] Wanninkhof, [1992] Wanninkhof and McGillis, [1999] Nightingale et al., [2000] Ho et al., [2006] k(600) (SAGE) k(600) (SOFeX) k(600) (IRONEX II) k(600) (GasEx-98)