Saturday 29 December 2007 à 12:43

Homage to Mawson

Sophie Mouge. Correspondent aboard the Aurora Australis

Today we are in Commonwealth Bay, just a couple of hundred meters from Mertz glacier.

Lire la suite

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Saturday 29 December 2007 à 12:19

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

Sophie Mouge. Correspondent aboard the Aurora Australis

Position of the icebreaker:
- latitude: 66°41.340' S
- longitude: 143°39.680’ E
Wind:
- direction: SE
- speed: 14 knots
Water temperature: -0°C
Air temperature: -0.3°C
Atmospheric pressure: 977 hPa
Relative humidity: 72 %
UV-B: 5.4 W/m²
Water depth: 760 meters
Sunrise: above the horizon all day

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Saturday 29 December 2007 à 12:17

Position of Aurora Australis

Sophie Mouge. Correspondent aboard the Aurora Australis

FROM: Martin Riddle
DATE: 29/12/07
REPORT (SITREP) NO.: 313
UNIVERSAL TIME: 0100
LOCAL (SHIP) TIME: 1200
AUSTRALIAN EASTERN STANDARD TIME: 1200
POSITION: -66 45.7, 143 17.5
HEADING: various
CURRENT SPEED (KNOTS): 0
DISTANCE TO NEXT WAYPOINT (NAUTICAL MILES): N/A
DISTANCE COVERED LAST 24 HOURS (NAUTICAL MILES): 83.4
WEATHER CONDITIONS: Mostly cloudy with sunny breaks, good visibility, wind 10 kts from 94T with gusts to 12 kts
AIR TEMPERATURE: 0.5
SEA TEMPERATURE: -0.7 SEA CONDITIONS: Rippled seas, with low ENE swell 0.5m
ICE CONDITIONS: Scattered bergs, some brash ice, a continent almost entirely covered in ice in sight.
REMARKS: We have been working within site of Commonwealth Bay for the last 24 hrs and both last night and this morning had radio contact with the team working on Mawson's Hut. They used signalling mirrors to indicate their exact location on the coast and we were able to see their huts from our position about 10 Nm off. We are now heading around the coast to the east towards the Mertz Glacier. The sea-bed has been so rugged at one or two sites that we have not been able to safely deploy the trawl and have instead used the GA Video Camera to document the animals living there. The epibenthic sled is being modified slightly with the hope that we can use it to skim some animals from this boulder-strewn bottom. Everybody is now well into the routine of sampling around the clock and are working very efficiently. The glass sponges, so-called because they have skeletons (spicules) made of fine strands of silicate, looking exactly like glass-fibre, have been the outstanding feature of the last few sites. Note, sitrep no. 309 was mistakenly used twice - to correct the sequence, no. 312 has been skipped.
Regards, Martin and Sarah.

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WEATHER


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

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