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Volume 8, issue 2
Earth Syst. Sci. Data, 8, 531-541, 2016
https://doi.org/10.5194/essd-8-531-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Earth Syst. Sci. Data, 8, 531-541, 2016
https://doi.org/10.5194/essd-8-531-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

  20 Oct 2016

20 Oct 2016

Global ocean particulate organic carbon flux merged with satellite parameters

Colleen B. Mouw1,a, Audrey Barnett1,a, Galen A. McKinley2, Lucas Gloege2, and Darren Pilcher3 Colleen B. Mouw et al.
  • 1Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA
  • 2University of Wisconsin-Madison, 1225 W. Dayton Street, Madison, WI 53706, USA
  • 3NOAA, Pacific Marine Environmental Laboratory, 7600 Sand Point Way NE, Seattle, WA 98115, USA
  • anow at: University of Rhode Island, Graduate School of Oceanography, 215 South Ferry Road, Narragansett, RI 02882, USA

Abstract. Particulate organic carbon (POC) flux estimated from POC concentration observations from sediment traps and 234Th are compiled across the global ocean. The compilation includes six time series locations: CARIACO, K2, OSP, BATS, OFP, and HOT. Efficiency of the biological pump of carbon to the deep ocean depends largely on biologically mediated export of carbon from the surface ocean and its remineralization with depth; thus biologically related parameters able to be estimated from satellite observations were merged at the POC observation sites. Satellite parameters include net primary production, percent microplankton, sea surface temperature, photosynthetically active radiation, diffuse attenuation coefficient at 490nm, euphotic zone depth, and climatological mixed layer depth. Of the observations across the globe, 85% are concentrated in the Northern Hemisphere with 44% of the data record overlapping the satellite record. Time series sites accounted for 36% of the data, while 71% of the data are measured at  ≥ 500m with the most common deployment depths between 1000 and 1500m. This data set is valuable for investigations of CO2 drawdown, carbon export, remineralization, and sequestration. The compiled data can be freely accessed at doi:10.1594/PANGAEA.855600.

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Particulate organic carbon (POC) flux estimated from POC concentration observations from sediment traps and 234Th are compiled across the global ocean. By providing merged coincident satellite imagery products, the dataset can be used to link phytoplankton surface process with POC flux. Due to rapid remineralization within the first 500 m of the water column, shallow observations from 234Th supplement the more extensive sediment trap record.
Particulate organic carbon (POC) flux estimated from POC concentration observations from...
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