Global database of surface ocean particulate organic carbon export fluxes diagnosed from the 234Th technique

Through the processes of the biological pump, carbon is exported to the deep ocean in the form of dissolved and particulate organic matter. There are several ways by which downward export fluxes can be estimated. The great attraction of the 234Th technique is that its fundamental operation allows a downward flux rate to be determined from a single water column profile of thorium coupled to an estimate of POC/234Th ratio in sinking matter. We present a database of 723 estimates of organic carbon export from the surface ocean derived from the 234Th technique. Data were collected from tables in papers published between 1985 and 2013 only. We also present sampling dates, publication dates and sampling areas. Most of the open ocean Longhurst provinces are represented by several measurements. However, the Western Pacific, the Atlantic Arctic, South Pacific and the South Indian Ocean are not well represented. There is a variety of integration depths ranging from surface to 220m. Globally the fluxes ranged from -22 to 125 mmol of C/m**2/d. We believe that this database is important for providing new global estimate of the magnitude of the biological carbon pump.

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Reflexions critiques sur le traité de l'usage des differentes saignées, principalement de celle du pied, en forme de lettre /

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The Free press.

Description based on: Vol. 3, no. 2 (Aug. 23, 1856); title from caption.

On the maximum and minimum values of a linear function of the radial co-ordinates of a point with respect to simplicissimum in space of n dimensions.

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The flow of water in artificial channels: clean pipes,

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De frontonianis reliquiis parisiensi litterarum facultati : hanc commentationem subjecit examinandam...[y otras obras]

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Platon considéré comme fondateur de l'Esthétique : leçon d'ouverture du cours de philosophie grecque et latine faite le 12 février 1857...[y otras obras]

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Lettres ... sur les maladies de St. Domingue.

"Plantes," pp. 105-229.

Vollständige Anweisung zum Schachspiele; zum ersten Mahle wissenschaftlich geordnet, und nach allen original Schriftstellern zusammengestellt,

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