RECCAP REgional Carbon Cycle Assessment and Processes.

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Presentation transcript:

RECCAP REgional Carbon Cycle Assessment and Processes

RECCAP - oceans - To discuss the RECCAP chapters on the oceans (2 global chapters and 5 regional chapters?) - Can we complete SOCAT, CARINA & PICNIC syntheses in time for RECCAP (summer 2010) and /or IPCC AR5 (articles available to IPCC authors by spring 2011, in press by Aug 2012)?

Scope To establish the mean carbon balance of large regions of the globe at the scale of continents and large ocean basins, including their component fluxes. To do it by using and comparing bottom-up estimates with the results of regional top-down atmospheric inversions. To evaluate the regional ‘hot-spots’ of interannual variability and possibly the trends and underlying processes over the past decades.

Products Synthesis book (or special issue) High-level synthesis paper (eg, Science) Summary for Policy Makers Database (updatable in the future) of C fluxes from regional and global estimates

Global Assessments (Chapters) RECCAP ( ) Ch-G1Fossil fuel emissions Ch-G2Land use change emissions Ch-G3Global atmospheric budget Ch-T1Global land budget Ch-O1Global ocean surface CO2 Ch-O2aGlobal ocean storage

Land Regions and Oceans Assessments (Chapters) RECCAP ( ) Land Ch-L1Africa Ch-L2Australia Ch-L3China Ch-L4Europe Ch-L5N. America Ch-L6Russia Ch-L7S. America Ch-L8South and S.E. Asia Oceans Ch-O2bPacific Ch-O3Atlantic and Arctic Ch-O4Southern Ocean Ch-O5Indian Rivers and Coastal Zones Ch-O6Coastal Ocean Ch-G3Rivers and lateral fluxes

Global Synthesis Assessments (Chapters) RECCAP ( ) Ch-S1 Comparison of top & bottom up Ch-S2 IAV at regional scale Ch-S3 Attribution to regional processes Ch-S4Past and future trends in regional C budgets Ch-S5 Final recommendations

RECCAP Timetable August 2007 Draft of mandate and scope April 2008 “Sign-in” on chapter scope ; regional programs are contacted and will provide feedback including possible participants and lead authors. Jan-Sept 2009 Consultation period Sept Consultation session at the ICDC8 in Jena Sept Invitations to lead authors (two per chapter: modeler and observationalist) Nov-Dec 2009 Global Modeling Outputs available

RECCAP Timetable June 2010 :Regional groups deliver chapter drafts July-Aug 2010 : Internal review of the chapters & model results output is collected. October 2010 : Hold the meeting over 4 days; get revised MS from internal review ; draft of the Overall Synthesis chapters July 2010 : Estimated 12 months processing; reviewing and finishing the SOS chapters, checking the consistency between chapters (units, definitions …); provide summary tables with fluxes in Annex

Components of Regional Synthesis Regional cuts from global model outputs* Regional cuts from global datasets Regional model outputs Regional datasets *Centrally organized and provided to regional synthesis groups

RECCAP - oceans - To discuss the RECCAP chapters on the oceans (2 global chapters and 5 regional chapters?) - Can we complete SOCAT, CARINA & PICNIC syntheses in time for RECCAP (summer 2010) and /or IPCC AR5 (articles available to IPCC authors by spring 2011, in press by Aug 2012)?

Air-sea flux estimates: Basic data : sea-air CO 2 flux at monthly resolution over the original grid of estimate. Units of mol m -2 y -1. Additional data : grid, pCO 2, SST, wind speed, data statistics (number of data per grid point, variance etc), atmospheric pCO 2. Metadata : pCO 2 measurement technique, gas exchange model, method to interpolate data. Ocean interior carbon changes: Basic data : Decadal changes in dissolved inorganic carbon along ship cruise tracks in all oceans. Ocean Example: Observation Products

RECCAP period Variable but centered around: Budget period: Trend analyses: (ocean trends observations)

Regional Cuts from Global Model Outputs Ocean inversionsNiki Grubber Ocean biogeochemical modelsCorinne Lequere Atmospheric inversionsKevin Gurney Terrestrial biogeochemical models Stephen Stitch + NACP synthesis Coordinator:

RECCAP Regions Ocean Regions Terrestrial Regions (to be simplified)

Scientific Steering Committee Philippe Ciais, Chair (France) Pep Canadell, Coordination (Australia) Chris Field (USA) Niki Gruber (Switzerland) Kevin Gurney (USA) Corinne Le Quere (UK) Mike Raupach (Australia) Chris Sabine (USA) Ming Xu (China)

Proposed Lead Authors Lead authors (the first two) have been proposed through a community consultation process over the last 14 months. Lead authors decide their teams but the community consultation has also suggested additional co-authors for consideration by the lead authors. Lead authors will be invited after the ICDC8 consultation event.

Ch-O1 Global ocean climatologies. Chris Sabine, Taro Takahashi, Rik Wanninkhof. Ch-O2 Global ocean carbon storage. Toste Tanhua (CarboOcean, CARINA etc.), Are Olsen et al. (SOCAT) et al., Robert M. Key (Princeton, GLODAP data set), Reiner Schlitzer (AWI, Bremerhaven) and Joos/Gerber (Univ. Bern) for ocean inversions and data assimilation Global Ocean Chapters

Ch-O2. Pacific. Feely, McKinley et al. Ch-O3. Atlantic and Arctic. Schuster, Doug Wallace, Andy Watson, Leif Anderson/Sara Jutterström (Gothenburg, essential for Arctic), Are Olsen (Bergen), Stefanie Dutkiewicz (MIT), Mick Follows (MIT) et al. Ch-O4. Southern Ocean. Tilbrook, Nikki Lovenduski (US), Nicolas Metzl, et al. Ch-O5. Indian. Nicolas Metzl, Sharma, Claire Lo Monaco Ch-O6. Coastal Ocean. Arthur Chen, Alberto Borges (Belgium), Casper Plattaner (modeller), Helmuth Thomas, Wei-Jun Cai et al. Ch-G3. Rivers and lateral fluxes (globe). Peter Raymond (US- CCSSG suggested), Abril, Sundquist, Michel Meybeck (Paris), Hans Dürr (Utrecht) Ocean Chapters

Ch-S1. Comparison of atmospheric & bottom up fluxes (mean decadal). Wolfgang Knorr, Ning Zeng, Markus Schulz, et al. Ch-S2. Inter-annual variability at regional scale. Rachel Law (proposed), Corinne Le Quere, Kevin Gurney, Guido van Werf, Karen Assmann (Bergen, as for Atlantic) et al. Ch-S3. Attribution to regional processes over the globe and future dynamics: Niki Gruber, Pep Canadell, et al. Ch-S4. Past and Future trends in regional carbon budgets. Mike Raupach et al. or Future trends. Pierre Friedlingstein, Mike Raupach, Stephen Stitch, ocean forward modeler, et al. Ch-S4. Final recommendations (RECCAP committee) Synthesis Chapters

Endorsement COordination action Carbon Observation System (COCOS), Europe Quantifying and Understanding the Earth System (QUEST), UK Carbon Cycle Interagency Working Group (CCIWG), USA International Ocean Carbon Coordination Project (IOCCP) Chinese Science Academy (CAS), China CSIRO Marine and Atmospheric Research, Australia National Institute for Environmental Studies (NIES), Japan Long-Term Biosphere-Atmosphere Experiment (LBA), Brazil Carbo-Africa