<![CDATA[Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel.]]>Day 1 of my voyage to the Peninsula on the : departing from and sailing east along the Beagle Channel.

]]>https://forum.fedi.dk/topic/093d29d3-7090-4e98-ab9c-94f3e25f0bba/day-1-of-my-voyage-to-the-antarctic-peninsula-on-the-tallship-barkeuropa-departing-from-ushuaia-and-sailing-east-along-the-beagle-channel.RSS for NodeFri, 17 Apr 2026 21:58:19 GMTThu, 05 Feb 2026 00:43:40 GMT60<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Sun, 12 Apr 2026 18:17:50 GMT]]>@Brad_Rosenheim @carlosmoffat
I chatted with Carlos about this and other matters when he was visiting BAS a couple of years ago. If I remember correctly his view was that upwelling and mixing of CDW into surface waters was an important factor.

]]>https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116393107148199005https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116393107148199005Sun, 12 Apr 2026 18:17:50 GMT<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Sun, 12 Apr 2026 18:17:49 GMT]]>@PoLaRobs Yes, it would have to be a shirt term and localized effect at best, but the formation of ice, of course, would then limit vertical wind-driven mixing, making potentially more interesting.

]]>https://forum.fedi.dk/post/https://climatejustice.social/users/Brad_Rosenheim/statuses/116393107119532843https://forum.fedi.dk/post/https://climatejustice.social/users/Brad_Rosenheim/statuses/116393107119532843Sun, 12 Apr 2026 18:17:49 GMT<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Sun, 12 Apr 2026 18:12:16 GMT]]>@Brad_Rosenheim
A further thought on this. The average surface water salinity in the Southern Ocean is about 34.5 ppt, which depresses the freezing point by nearly 2°C. If a large flux of melt decreases the salinity by 1 or 2 ppt, as happens around the sea ice edge when it is retreating in Spring, this raises the freezing point by around 0.1°C. I think other factors, including atmospheric and ocean temperatures and winds, are likely to be much more important in controlling sea ice extent. Furthermore, any melt added to the surface water in summer will be mixed into the upper ~200 m of the ocean by autumn storms before it can have much effect on new sea ice growth.

]]>https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116393085259766685https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116393085259766685Sun, 12 Apr 2026 18:12:16 GMT<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Sun, 12 Apr 2026 18:07:20 GMT]]>@PoLaRobs I think I've chatted with @carlosmoffat about it before, and he does the kind of modeling that would be important in assessing if this was happening.

]]>https://forum.fedi.dk/post/https://climatejustice.social/users/Brad_Rosenheim/statuses/116393065893823298https://forum.fedi.dk/post/https://climatejustice.social/users/Brad_Rosenheim/statuses/116393065893823298Sun, 12 Apr 2026 18:07:20 GMT<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Sun, 12 Apr 2026 16:29:08 GMT]]>@Brad_Rosenheim I think that theory has been the basis of several high profile papers. If there was any truth in it then sea ice extent west of the Peninsula and in the southern Bellingshausen Sea should have been increasing over the past few decades. In reality there has been a steady decline in sea-ice extent in these areas through the period of the satellite record, even while extent was steady or slightly increasing in other sectors up to 10 years ago.

]]>https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116392679759792436https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116392679759792436Sun, 12 Apr 2026 16:29:08 GMT<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Sun, 12 Apr 2026 15:56:46 GMT]]>@PoLaRobs third shot especially poignant

]]>https://forum.fedi.dk/post/https://infosec.exchange/users/danwing/statuses/116392552477446897https://forum.fedi.dk/post/https://infosec.exchange/users/danwing/statuses/116392552477446897Sun, 12 Apr 2026 15:56:46 GMT<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Sun, 12 Apr 2026 15:16:50 GMT]]>@PoLaRobs I wonder how you feel about the theory of my former colleague Gene Domack (perhaps not his theory, but he was the first to share it with me) that increased meal from Antarctica will increase sea ice cover by freshening the surface waters around the peninsula and effectively raising ice's melting point.

]]>https://forum.fedi.dk/post/https://climatejustice.social/users/Brad_Rosenheim/statuses/116392395419719698https://forum.fedi.dk/post/https://climatejustice.social/users/Brad_Rosenheim/statuses/116392395419719698Sun, 12 Apr 2026 15:16:50 GMT<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Sun, 12 Apr 2026 10:58:23 GMT]]>@PoLaRobs Awww, I visited a seal sanctuary yesterday, and those chonki bois are just so amazing!!
(Not Weddel seals, just common and grey)

]]>https://forum.fedi.dk/post/https://mathstodon.xyz/users/RosyMaths/statuses/116391379199460808https://forum.fedi.dk/post/https://mathstodon.xyz/users/RosyMaths/statuses/116391379199460808Sun, 12 Apr 2026 10:58:23 GMT<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Sat, 11 Apr 2026 18:48:06 GMT]]>Day 17, the final day, of my voyage to the Peninsula on the : returning along the Beagle Channel to Ushuaia, from where we had set out. There I was able to pay my respects to the bust of Adrien De Gerlache, who led the Belgica expedition of 1897-1899 on which much of the area we had visited was first charted. Like Bark Europa, the Belgica was a three-masted bark, but a little smaller. The Belgica also called at Ushuaia in the last few days of 1897 before heading to Antarctica. Finally, I joined many of the other voyage crew in the Patagonia bar to reminisce on our shared adventure.

]]>https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116387563888992041https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116387563888992041Sat, 11 Apr 2026 18:48:06 GMT<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Fri, 03 Apr 2026 09:41:54 GMT]]>@adrianmorales @PoLaRobs further to all the GPS's, it broadcasts it's position to other ships (AIS, i.e. can lookup IMO 8951932 on marinetraffic or vesselfinder and see where this boat is), and the wheelhouse has the basic set of modern safety electronics (chart plotter, echo sounder, radar).

Collisions can and do still happen, but this one is not much better or worse off than any others.

]]>https://forum.fedi.dk/post/https://thecanadian.social/ap/users/116275472349001478/statuses/116340117666423613https://forum.fedi.dk/post/https://thecanadian.social/ap/users/116275472349001478/statuses/116340117666423613Fri, 03 Apr 2026 09:41:54 GMT<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Fri, 03 Apr 2026 08:56:35 GMT]]>@PoLaRobs What a wonderful adventure!

]]>https://forum.fedi.dk/post/https://mathstodon.xyz/users/RosyMaths/statuses/116339939462822498https://forum.fedi.dk/post/https://mathstodon.xyz/users/RosyMaths/statuses/116339939462822498Fri, 03 Apr 2026 08:56:35 GMT<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Fri, 03 Apr 2026 08:13:20 GMT]]>I'd seen Cape Horn once before, from above on a flight 12 years ago on the British Antarctic Survey Dash7 aircraft, going from Punta Arenas, to Rothera Research Station on the Peninsula.

]]>https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116339769349492270https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116339769349492270Fri, 03 Apr 2026 08:13:20 GMT<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Thu, 02 Apr 2026 22:43:41 GMT]]>Night time video clip looking towards Cape Horn in which lights from two lighthouses can be seen flashing intermittently.

]]>https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116337529398412964https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116337529398412964Thu, 02 Apr 2026 22:43:41 GMT<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Thu, 02 Apr 2026 22:41:21 GMT]]>Day 16 of my voyage to the Peninsula on the : several members of the voyage crew were keen to see Cape Horn on our way back to Ushuaia. The Captain agreed, but warned us that we would pass the Cape in the early hours of the morning. Hence all we could see was the dark shape of hills against a cloudy sky and the flashing lights of two lighthouses (see short video clip in post below).

]]>https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116337520270895733https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116337520270895733Thu, 02 Apr 2026 22:41:21 GMT<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Mon, 30 Mar 2026 13:32:11 GMT]]>@PoLaRobs Well, you be careful out there. The sea's a feisty mistress.

]]>https://forum.fedi.dk/post/https://ieji.de/users/adrianmorales/statuses/116318373919688231https://forum.fedi.dk/post/https://ieji.de/users/adrianmorales/statuses/116318373919688231Mon, 30 Mar 2026 13:32:11 GMT<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Mon, 30 Mar 2026 12:57:53 GMT]]>@adrianmorales That's one of the reasons a watchkeeping rota is operated with two lookouts on decks 24/7. Also, yes, the navigating officers use GPS, and there must have been more than 100 GPS receivers on board if you count all the phones and watches. The GPS function on a smartphone is one thing that works even when you don't have any mobile signal.

]]>https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116318239027312920https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116318239027312920Mon, 30 Mar 2026 12:57:53 GMT<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Mon, 30 Mar 2026 09:36:42 GMT]]>@PoLaRobs What a fantastic trip! Thank you for all the photos and commentary

]]>https://forum.fedi.dk/post/https://mastodon.social/users/grammasaurus/statuses/116317447978474607https://forum.fedi.dk/post/https://mastodon.social/users/grammasaurus/statuses/116317447978474607Mon, 30 Mar 2026 09:36:42 GMT<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Mon, 30 Mar 2026 07:50:09 GMT]]>@PoLaRobs 👋 Nice! But is it safe? Lots of things have happened in the last 200 years, like Climate Change and big, smelly ships that will run straight through you. Also, are you equipped with GPS?

]]>https://forum.fedi.dk/post/https://ieji.de/users/adrianmorales/statuses/116317028949357237https://forum.fedi.dk/post/https://ieji.de/users/adrianmorales/statuses/116317028949357237Mon, 30 Mar 2026 07:50:09 GMT<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Sun, 29 Mar 2026 22:21:15 GMT]]>Day 15 of my voyage to the Peninsula on the : riding the waves across Drake Passage with Bark Europa in full sail, viewed from near the wheelhouse.

]]>https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116314791947626643https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116314791947626643Sun, 29 Mar 2026 22:21:15 GMT<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Sun, 29 Mar 2026 17:12:31 GMT]]>Days 12-14 of my voyage to the Peninsula on the : sailng back north across Drake Passage.
1. Unfurling the staysails.
2. Members of voyage crew at the helm shortly before dawn.
3. A full set of five square sails on the foremast, together with a staysail attached to the forward side the mast.
4. A majestic rainbow compensates for unpleasant conditions after a squall had passed by.

]]>https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116313577998022400https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116313577998022400Sun, 29 Mar 2026 17:12:31 GMT<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Sun, 29 Mar 2026 00:03:39 GMT]]>A short video clip of chinstrap penguins and chicks in the rookery on the crest of the ridge. Sound on to hear their calls.

]]>https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116309532289538032https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116309532289538032Sun, 29 Mar 2026 00:03:39 GMT<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Sat, 28 Mar 2026 22:37:14 GMT]]>Day 11 of my voyage to the Peninsula on the (continued): our final landing, at Orne Harbour on the mainland of the Peninsula. We climbed up a snow slope to a narrow ridge on which there was a chinstrap rookery. It was amazing to see how high up and how exposed the locations are where some chinstraps choose to raise their chicks. It was also impressive to watch them climbing icy slopes on which even experienced climbers would feel uncomfortable without an ice axe and crampons.

]]>https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116309192514321782https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116309192514321782Sat, 28 Mar 2026 22:37:14 GMT<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Mon, 23 Mar 2026 23:48:00 GMT]]>Day 11 of my voyage to the Peninsula on the (continued): Gentoo on Danco Island.

]]>https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116281159235683471https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116281159235683471Mon, 23 Mar 2026 23:48:00 GMT<![CDATA[Reply to Day 1 of my voyage to the #Antarctic Peninsula on the #tallship #BarkEuropa: departing from #Ushuaia and sailing east along the Beagle Channel. on Sun, 22 Mar 2026 22:04:46 GMT]]>Day 11 of my voyage to the Peninsula on the : landing on Danco Island, the location of former British Base O, occupied 1956-1959, demolished and removed 2004.

]]>https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116275090960518011https://forum.fedi.dk/post/https://fediscience.org/users/PoLaRobs/statuses/116275090960518011Sun, 22 Mar 2026 22:04:46 GMT