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International Polar Year 2007–2008 - WMO

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Fig. 2.2-7b. Sampling<br />

stations for dissolved<br />

iron in the Arctic<br />

Ocean.<br />

(Map: Dickson and Fahrbach,<br />

2010)<br />

Fig. 2.2-7c. Vertical<br />

distribution of<br />

dissolved iron<br />

along Section 3 in<br />

the central Arctic<br />

Ocean. High values<br />

in surface waters are<br />

due to river input<br />

and sea-ice. The very<br />

large plume over<br />

Gakkel Ridge is due<br />

to hydrothermal vent<br />

supply.<br />

(Graph: Dickson and Fahrbach,<br />

2010)<br />

s C I e n C e P r o g r a m 165

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