Two databases derived from BGC-Argo float measurements for marine biogeochemical and bio-optical applications

Organelli, E; Barbieux, M; Claustre, H; Schmechtig, C; Poteau, A; Bricaud, A; Boss, EB; Briggs, N; Dall’Olmo, G; D'Ortenzio, F; Leymarie, E; Mangin, A; Obolensky, G; Penkerc'h, C; Prieur, L; Roesler, CR; Serra, R; Uitz, J; Xing, X. 2017 Two databases derived from BGC-Argo float measurements for marine biogeochemical and bio-optical applications. Earth System Science Data, 9. 861-880. https://doi.org/10.5194/essd-9-861-2017

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Official URL: https://www.earth-syst-sci-data.net/9/861/2017/

Abstract/Summary

Since 2012, an array of 105 Biogeochemical-Argo (BGC-Argo) floats has been deployed across the world’s oceans to assist in filling observational gaps that are required for characterizing open-ocean environments. Profiles of biogeochemical (chlorophyll and dissolved organic matter) and optical (single-wavelength particulate optical backscattering, downward irradiance at three wavelengths, and photosynthetically available radiation) variables are collected in the upper 1000m every 1 to 10 days. The database of 9837 vertical profiles collected up to January 2016 is presented and its spatial and temporal coverage is discussed. Each variable is quality controlled with specifically developed procedures and its time series is quality-assessed to identify issues related to biofouling and/or instrument drift. A second database of 5748 profile-derived products within the first optical depth (i.e., the layer of interest for satellite remote sensing) is also presented and its spatiotemporal distribution discussed. This database, devoted to field and remote ocean color applications, includes diffuse attenuation coefficients for downward irradiance at three narrow wavebands and one broad waveband (photosynthetically available radiation), calibrated chlorophyll and fluorescent dissolved organic matter concentrations, and single wavelength particulate optical backscattering. To demonstrate the applicability of these databases, data within the first optical depth are compared with previously established bio-optical models and used to validate remotely derived bio-optical products. The quality-controlled databases are publicly available from the SEANOE (SEA scieNtific Open data Edition) publisher at https://doi.org/10.17882/49388 and https://doi.org/10.17882/47142 for vertical profiles and products within the first optical depth, respectively.

Item Type: Publication - Article
Additional Information. Not used in RCUK Gateway to Research.: Marie Sklodowska-Curie Action. Funding provided by project REOPTIMIZE “Remineralisation, OPTIcs and Marine partIcle siZE”.
Additional Keywords: Biogeochemical argo floats, database, ocean colour
Subjects: Data and Information
Earth Observation - Remote Sensing
Earth Sciences
Marine Sciences
Oceanography
Space Sciences
Divisions: Plymouth Marine Laboratory > National Capability categories > National Centre for Earth Observation
Plymouth Marine Laboratory > Science Areas > Earth Observation Science and Applications
Depositing User: Dr E Organelli
Date made live: 30 Jan 2018 15:04
Last Modified: 24 May 2018 10:22
URI: http://plymsea.ac.uk/id/eprint/7619

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