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    Satellites and a Grand Challenge

    By Walt Meier May 31, 2016 — The morning sessions this week have been inside in a classroom setting. It’s been like being back in school, which has been quite fun (believe it or not). For the first four days I’ve been a student, but today I got to be the teacher. I gave the class […]

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    Memorial Day On Ice

    By Walt Meier May 30, 2016 — This morning we did another modeling exercise, led by Jen Kay of the University of Colorado. A question a sea ice scientist inevitably gets asked is “so, when is the Arctic Ocean going to become ice free?” I can understand the interest, but answering it is quite difficult. One […]

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    NAAMES-II Expedition: May 30, 2016

    THE BLOW So far we have been blessed with calm seas and fair winds. We arrived yesterday at our last station, somewhat rested after a 24 hours transit and ready for the grand finale. Neptune had another plan. Half way through the station the winds picked up very quickly, reaching 50 knots with gusts of […]

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    Tipping Points, Albedo, And The Local Perspective

    By Walt Meier May 29, 2016 — This morning, we had our second modeling exercise, led by Ian Eisenman of the University of California, San Diego, where we investigated whether sea ice loss is irreversible – i.e., is there a tipping point for sea ice, a point of no return? In the simple models, like the one […]

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    Super Pressure Balloon Circumnavigates Globe After 14 days of Flight

    Super Pressure Balloon's first circumnavigation

    NASA's 18.8 million-cubic-foot super pressure balloon hit another milestone at 9:17 a.m. EDT Monday, May 31, crossing the 169.24 east longitude line, officially completing its first circumnavigation of the globe. The balloon, flying the Compton Spectrometer and Imager (COSI) payload, achieved the milestone 14 days, 13 hours and 42 minutes after launching from Wanaka Airport, New …

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    OSIRIS-REx Goes for a Spin

    A spin test being performed on the OSIRIS-REx inside the PHSF.

    In the image above, NASA's OSIRIS-REx spacecraft rotates on a spin table during a weight and center of gravity test May 24 inside the Payload Hazardous Servicing Facility at Kennedy Space Center in Florida. An overhead crane carefully returned the spacecraft to its work stand May 26 (right) to continue prelaunch processing. OSIRIS-REx, stands for …

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    BEAM Leak Checks Before Crew Enters Next Week

    BEAM, the Bigelow Expandable Activity Module, was successfully expanded Saturday beginning two years of tests to demonstrate the new expandable technology. BEAM was pressurized and expanded to its full volume, width and length this weekend after 25 pulses of air were introduced into the new module. BEAM leak checks are underway and will continue before …

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    Models, Augers, and BBQ

    By Walt Meier May 28, 2016 – This morning we did our first modeling exercise. We started simply, modeling the ice’s thickness as the balance between ice growth and ice melt. Ice grows during the winter and melts during the summer. But from this simple start, a lot can be gleaned. The growth and melt rates are […]

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    Sea ice morphology and charismatic mega fauna

    By Walt Meier May 27, afternoon – After our morning orientation and introduction sessions, I headed out onto the ice for the first time. We were split into four teams; each team will rotate through a different activity every day with each activity being led by one or two experts that will serve as our guide. I was assigned to the Red Team. […]

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