John Yackel

@melting_sea_ice

geography professor, family man, sports junkie, climate and weather geek, concerned about Arctic feedback processes and implications for humanity

Calgary, Alberta
Vrijeme pridruživanja: studeni 2012.

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  1. prije 13 sati

    Have now been to more Capitals games in past 2 years (2) than Flames games ... go figure w/ Steve Howell

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  2. proslijedio/la je Tweet
    30. sij

    Postdoc collects L-band frequency radar measurements of sea ice during expedition in the dark north polar night. This equipment will be deployed for at least the next 5 months as part of .

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    23. sij

    Please stay away from our L-band radar system!

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  4. proslijedio/la je Tweet
    22. sij

    Even in a warming world (climate change), there are areas of below average temperatures and record cold. However, record highs will increasingly outpace the cold. Here is an example of the large day-to-day temperature changes (weather) around the world:

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  5. proslijedio/la je Tweet
    21. sij

    What makes the MOSAiC floe special? What's "the fortress"? Why can't you use plastic straps in the ? And what does the ice camp look like? Watch "A fortress of ice and snow" and learn more about the first few weeks of the ! 👉 👈

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  6. proslijedio/la je Tweet
    20. sij

    Oh waoh that was a close call! I hope the Ka/Ku radar is still retrieving data as originally planned for our project.

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  7. proslijedio/la je Tweet
    20. sij

    This midnight visitor to the remote sensing site was not really trained to operate the SSM/I radiometer of . Fortunately, the bear just changed the elevation angle of the 37 GHz feedhorn and did no further damage. Image retrieved by M.Huntemann.

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    6. sij

    Australia: you have just experienced the future.

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  9. proslijedio/la je Tweet
    6. sij

    Even though we would love to work on the ice everyday, we also have to stay in to catch up with the data we create: Here comes the first map of our floe from below. Icethickness (draft) derived from .

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  10. proslijedio/la je Tweet
    4. sij

    Not only people suffer from cold temperatures (below -30 °C): The airborne laser scanner (ALS) gave a low temperature warning as it sunk down to -12 °C after a survey flight. 👉 The team decided to install a 20 W heating pad for the ALS. 📸: Lukas Piotrowski

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    Would you be ready to spend a year trapped in the ice to contribute to science cause? The expedition crew is. Follow their journey here:

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  12. proslijedio/la je Tweet
    1. sij

    from the Central to all followers! We are quite sure to have had the northernmost party yesterday, welcoming the new decade at 86°38.25’ N 118°04.06’ E at the bridge of . 📸 Michael Ginzburg

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  13. proslijedio/la je Tweet
    30. pro 2019.

    Working on the ice can be exhausting. The red suit that can be seen on most photographs provides buoyancy in case somebody slides into the water. It also keeps us warm–during physical work it is sometimes even nearly too cozy. 📸: Lars Barthel ()

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    24. pro 2019.

    🙌🎄🌟❄️ The team wishes all our followers and supporters a and a ! 📸: Esther Horvath

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    'Our Future Depends on the Arctic'

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  16. proslijedio/la je Tweet
    21. pro 2019.

    Today is winter solstice, so we celebrated the "longest night" of with a proper bonfire on the .  However we likely won't experience sunrise during leg 2.

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  17. proslijedio/la je Tweet
    21. pro 2019.

    Today is the shortest day in the northern hemisphere: ! From now the days will get longer again in most places, but unfortunately not near the . We will have to wait until late February for the first twilight to appear again. 📸: Stefan Hendricks

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  18. proslijedio/la je Tweet

    The RADARSAT Constellation Mission is now operational! Launched in June, the trio of 🛰 takes daily scans of 🇨🇦 and its waters, collecting important data to serve Canadians. Learn more: .

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  19. proslijedio/la je Tweet
    19. pro 2019.

    After 5 of handover together with our colleagues of leg 1 we are now on our own. We really appreciate their great work & their warm regards (“care for yourself – & for the floe”) & it felt good to have them around! But now we are ready to take over the tasks! 💪🚢❄️ 📸 F.Mehrtens

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  20. 17. pro 2019.

    Climate change fears propel scientists out of the lab and into the streets

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