Paula Coble Lisa Robbins Xinping Hu Wen-Chen Chou Wade McGillis Tom Bianchi Mingliang Liu Chris Osburn Steven Lohrenz Ryan Moyer Ping Chang Zong-Liang.

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Presentation transcript:

Paula Coble Lisa Robbins Xinping Hu Wen-Chen Chou Wade McGillis Tom Bianchi Mingliang Liu Chris Osburn Steven Lohrenz Ryan Moyer Ping Chang Zong-Liang Yang Omar Abdul-Aziz Cyndy Chandler Gulf of Mexico Regional Breakout

Extensive resources from 2008, currently updating because: – Much progress in past two years New papers New projects Gulf of Mexico Resource Spreadsheet

Shelf-wide budget (10 12 g C yr -1 ) DOC in rain CO DIC & TOC 43.5 Land Atmosphere Water column DOC Open Ocean DIC? POC? Prim. Prod. 336 Resp.? Export Prod Sediments DOC DIC 2010 Ocean Sciences Portland, OR Feb. 26,2010 Benthic algae 22 POC 5.92 Groundwater ??? Thanks to R. Najjar DWH oil spill 0.81

New pools – C trapped in marshes, mangroves, seagrass beds, etc. – Reactive mobile muds – CO 2 evasion? – Natural oil seeps New processes (and data) – Erosion of relict marshes and mud flats – Coastal vegetation productivity Gulf of Mexico Budget Update

– Rain – Air-sea – Export out of Gulf of Mexico – New modelling efforts – storm surge, NGOM watershed BGC – MARS bedload inputs – Cycling of particulate carbon in marshes Other new data

Lingering problems Respiration Lack of data from non-US parts of basin No basin-wide coupled physical BGC models MARS plume poorly constrained N to C conversions (denitrification)