Blog news

Listed below are all the blog news

1 March – UK Nitrogen Fixation – GEOTRACES Expedition 2011

David and his incubation set-up

David Honey – Discovery 361 – 00.10°N, 24.30°W

24 Feb – UK Nitrogen Fixation – GEOTRACES Expedition 2011

CTD cast

Elizabeth Sargent – Discovery 361 – 12.35°N, 22.00°W

15 Feb – East Scotia Ridge expedition blog – week 5

Gravity core being deployed at night off South Georgia

Methane-rich sediments off South Georgia

12 Feb – East Scotia Ridge expedition blog – week 4

Frame grab from SHRIMP footage of 3-metre high active chimney

Vent Discovery in Adventure Caldera

Friday night in the SHRIMP* van and we have been videoing the seafloor for three hours inside the Adventure Caldera, which geophysicists from the British Antarctic Survey discovered in 2010.

11 Feb – East Scotia Ridge expedition blog – week 4

Megacorer being recovered in the short Southern Ocean night

Coring at night

We have videoed the many different areas of venting at the seafloor in the base of the Kemp Caldera and now are spending a cold, snowy night coring the mud from the seafloor. Our night shift work is to collect mud from around the areas of diffuse hydrothermal flow.

10 Feb – East Scotia Ridge expedition blog – week 4

Black-browed albatrosses off the stern of the RRS James Cook

Sampling the Kemp Caldera

Our final site in the East Scotia Sea is an 8 km-diameter caldera on the flank of a shallow seamount at the southern end of the South Sandwich Island Arc.

7 Feb – East Scotia Ridge expedition blog – week 4

Jeff Hawkes on the deck of RRS James Cook

Geochemistry sampling at the East Scotia Ridge

4 Feb – East Scotia Ridge expedition blog – week 3

Laura Hepburn wrapped up warm and working on her sediment samples

RRS James Cook in transit to the South Sandwich Islands

We have finished our work in the Bransfield Strait and now have a three day passage to our next working area near the southern most South Sandwich Island, Thule.

UK Nitrogen Fixation-GEOTRACES Expedition 2011

Dust Sunset

RRS Discovery UK Nitrogen Fixation - GEOTRACES Expedition 2011

1 February – East Scotia Ridge expedition blog – week 3

Livingstone Island

The Axe, Bransfield Strait

Our final site within the Strait is aptly named ‘The Axe’. This is the least studied site that we have chosen to study and first we need to map the seafloor.