Cruise Day 57
Speed 0 knots (kts) (on station)
Course n/a
Location Chukchi Slope, ~108 nm north of Barrow, Alaska
Depth 1625 m
GO DEEPER DISCUSSION: (see previous journal for the questions.)
Aurora occur in the thermosphere, the upper layer of the Earth’s atmosphere. There are some amazing photos and videos taken of aurora from space looking down at the Earth’s atmosphere, demonstrating that this phenomenon isn’t happening in space.
TODAY’S JOURNAL:
We’re making steady progress southwest back towards the Chukchi Sea, with a few short stops for repeat hydrography along the way to our next station. The depth is rapidly shallowing as we leave the abyssal plain of the Canada Basin behind to climb the Chukchi Slope. The breeze is sneaking back up some, but has brought blue skies and a sparkling blue seascape with it. The weather is forecasted to get windy again tomorrow and into Tuesday, so there’s a little bit of extra urgency in the sampling operations coming up in case we lose more time later due to high winds and seas.
For the last few days the ocean was calm enough for new ice to form on the surface. In contrast to the older thick ice we spent a lot of time in farther north the different forms of growing ice are more dynamic, moving with the swell and changing quickly in response to winds or overnight temperature drops. Here are some shots I hope you’ll enjoy showing examples of new ice:
GO DEEPER!
Here’s another Sunday riddle:
Voiceless it cries, Wingless flutters, Toothless bites, Mouthless mutters.
Aloft Con web cam updated every hour
Healy Track
That's all for now. Best- Bill
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