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RV Investigator Voyage Summary: HEOBI – Heard Earth-Ocean-Biosphere Interactions
Citation
Coffin, MF, RV Investigator Voyage Summary: HEOBI - Heard Earth-Ocean-Biosphere Interactions, Marine National Facility; CSIRO, Hobart, Tasmania, IN2016_V01 (2016) [Contract Report]
 | PDF (Coffin et al, IN2016_V01 Voyage Summary, 2016) Pending copyright assessment - Request a copy 5Mb |
Abstract
Iron supply limits oceanic primary production in the Southern Ocean as well as elsewhere in the
global ocean. We aim to test the hypothesis that hydrothermal activity driven by active submarine
magmatism fertilises surface waters with iron, thereby enhancing biological productivity. Heard
and McDonald islands on the Kerguelen Plateau are among the world’s most active hotspot
volcanoes, and are type examples sourced from a particular geochemical component in the Earth’s
mantle (enriched mantle 1, or EM1). Existing data indicate that fields of submarine volcanoes
extend for several hundred kilometres away from the islands.
Item Details
| Item Type: | Contract Report |
|---|---|
| Keywords: | Kerguelen Plateau, Heard Island, McDonald Islands, volcano, iron, hydrothermal, phytoplankton |
| Research Division: | Earth Sciences |
| Research Group: | Geology |
| Research Field: | Marine Geoscience |
| Objective Division: | Expanding Knowledge |
| Objective Group: | Expanding Knowledge |
| Objective Field: | Expanding Knowledge in the Earth Sciences |
| UTAS Author: | Coffin, MF (Professor Mike Coffin) |
| ID Code: | 111147 |
| Year Published: | 2016 |
| Deposited By: | Oceans and Cryosphere |
| Deposited On: | 2016-08-31 |
| Last Modified: | 2016-09-06 |
| Downloads: | 0 |
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