Sunday 30 December 2007 à 17:38

Grazing the continent!

Sophie Mouge. Correspondent aboard the Aurora Australis

Captain Ian offers us a treat for the eyes by taking a short detour into Commonwealth Bay: everybody to the wheelhouse!

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Sunday 30 December 2007 à 17:32

Studying the marine biodiversity in Antarctica

Sophie Mouge. Correspondent aboard the Aurora Australis

Discover how the scientists work on board of the Aurora Australis.


Sophie Mouge, Education & Outreach Officer - CAML

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Sunday 30 December 2007 à 17:30

Data for the Aurora Australis at 12h30 (= 1h30 UT)

Sophie Mouge. Correspondent aboard the Aurora Australis

Position of the icebreaker:
- latitude: 67°02.916' S
- longitude: 144°40.036’ E
Wind:
- direction: S
- speed: 12 knots
Water temperature: -1.6°C
Air temperature: +3°C
Atmospheric pressure: 984 hPa
Relative humidity: 65 %
UV-B: 8.7 W/m²
Water depth: 182 meters
Sunrise: above the horizon all day

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Sunday 30 December 2007 à 11:30

Position of Aurora Australis

Sophie Mouge. Correspondent aboard the Aurora Australis

FROM: Martin Riddle
DATE: 30/12/07
REPORT (SITREP) NO.: 314
UNIVERSAL TIME: 0100
LOCAL (SHIP) TIME: 1200
AUSTRALIAN EASTERN STANDARD TIME: 1200
POSITION: -67 02.6, 144 39.8
HEADING: various
CURRENT SPEED (KNOTS): 0
DISTANCE TO NEXT WAYPOINT (NAUTICAL MILES): N/A
DISTANCE COVERED LAST 24 HOURS (NAUTICAL MILES): 75.5
WEATHER CONDITIONS: Sunny with high clouds, good visibility, wind 17 kts from 180T with gusts to 19 kts
AIR TEMPERATURE: 0.5 SEA TEMPERATURE: -1.6
SEA CONDITIONS: Slight seas, with low ENE swell 0.5m
ICE CONDITIONS: Bergs frequent and close, open water.
REMARKS: We are now working within 2 Nm mile of the continent and are the closest we will be to land during the voyage. There is a small outcrop of rock visible directly to the south of us but apart from that the land is entirely covered with ice for as far as we can see. With a depth of just 180 m this is also one of the shallowest sites we will be sampling. The crushed rocks that came up in the last samples are evidence that the seabed at these depths is frequently disturbed by the keels of passing ice-bergs. From here we will head due east to within a mile of the 80 mile long Mertz Glacier. This next site will be the deepest so far at about 1200 m. There we will be sampling sea-bed that was covered by the Mertz during previous ice-ages when it extended out across the continental shelf. Trawling, coring and CTD water sampling continues.
Regards, Martin and Sarah.

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WEATHER


Water temperature: - 1,6 °C
Air temperature: + 3 °C

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