Friday 28 December 2007 à 12:12

Moon games!

Sophie Mouge. Correspondent aboard the Aurora Australis

The day begins with the magnificent sight of the moon around three o’clock in the morning. One more amazing spectacle!

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Friday 28 December 2007 à 12:03

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

Sophie Mouge. Correspondent aboard the Aurora Australis

Position of the icebreaker:
- latitude: 66°33.440' S
- longitude: 143°20.245’ E
Wind:
- direction: SW
- speed: 8 knots
Water temperature: -0.3°C
Air temperature: -0.6°C
Atmospheric pressure: 977 hPa
Relative humidity: 60 %
UV-B: 8 W/m²
Water depth: 820 meters
Sunrise: above the horizon all day

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Friday 28 December 2007 à 10:59

From Martin Riddle

Sophie Mouge. Correspondent aboard the Aurora Australis

FROM: Martin Riddle
DATE: 28/12/07
REPORT (SITREP) NO.: 311
UNIVERSAL TIME: 0100
LOCAL (SHIP) TIME: 1200
AUSTRALIAN EASTERN STANDARD TIME: 1200
POSITION: -66 33, 143 19
HEADING: various
CURRENT SPEED (KNOTS): 2.5
DISTANCE TO NEXT WAYPOINT (NAUTICAL MILES): N/A
DISTANCE COVERED LAST 24 HOURS (NAUTICAL MILES): 78.1
WEATHER CONDITIONS: Good visibility, fine and sunny, wind 7 kts from 255T with gusts to 9 kts
AIR TEMPERATURE: -0.5
SEA TEMPERATURE: -0.6
SEA CONDITIONS: Rippled seas, with low NW'ly swell 0.5m
ICE CONDITIONS: Continent in sight, scattered icebergs.
REMARKS: We are sampling in some very dramatic country. One trawl last night was taken from the lip of a very steep drop-off, going from 130 m depth to more than 400 m in a very short distance. Although the trawl was on the sea-bed very briefly, it came up with a good haul of giant sponges and fish, indicating an area of very high production. As we move into some of the deeper sites we are beginning to see the first of the giant crustaceans which are characteristic of the Antarctic. Overnight we caught amphipods that were 5 cm long and isopods that were more than 8 cm long, these groups include the sand-hoppers and sea-slaters which around the coast of Australia are usually less than a centimetre long. We have now used 24% of the ship-time allocated to CEAMARC and have completed 20% of the sampling stations. We are about on schedule for this stage of the voyage, allowing for the extra time used at the first few stations where we tested the full range of sampling equipment before we settled on a standard combination to be used at most stations.
Regards, Martin and Sarah.

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WEATHER


Water temperature: - 0,3 °C Air temperature: - 0,6 °C

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