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Today we headed east and then north towards the mouth of the Ross Sea. By mid-morning we had found a suitable school of silverfish on which to run the echosounder experiment and once completed a mid-water trawl over the same mark collected a sample of the school.
Our sonobuoys are telling us the blue whales ‘hotspot’ we surveyed early in the voyage is more or less in the same location and still busy. There appears to be no other singing blue whales within our detection range except for the tantalising but intermittent whale deeper in the Ross Sea. Our plan now is head north out the Ross Sea, head east round the ice and then close on the blue whales on the ice edge or within a lead in the ice floes.
The weather is calm now but looks intimidating further north. We hope to avoid the worst of it by keeping as far south as possible and staying close to the ice.
Hopefully the weather will be kind and we will be back with the blue whales tomorrow.
Map
A map showing Australia and Antarctica. The map shows the journey of one voyage that has occured in the season, with each route highlighted in a distinct colour.