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Insights Into the Biogeochemical Cycling of Iron, Nitrate, and Phosphate Across a 5,300 km South Pacific Zonal Section (153°E-150°W)

Ellwood, Michael; Bowie, Andrew; Baker, Alex; Gault-Ringold, M.; Hassler, Christel S.; Law, Cliff S.; Maher, William; Marriner, Andrew; Nodder, Scott D.; Sander, S.; Stevens, C. L.


Iron, phosphate, and nitrate are essential nutrients for phytoplankton growth, and hence, their supply into the surface ocean controls oceanic primary production. Here we present a GEOTRACES zonal section (GP13; 30–33°S, 153°E–150°W) extending eastward from Australia to the oligotrophic South Pacific Ocean gyre outlining the concentrations of these key nutrients. Surface dissolved iron concentrations are elevated at >0.4 nmol L−1 near continental Australia (west of 165°E) and decreased eastward...[Show more]

CollectionsANU Research Publications
Date published: 2018-01-04
Type: Journal article
Source: Global Biogeochemical Cycles
DOI: 10.1002/2017GB005736
Access Rights: Open Access


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