Antarctic Stratospheric Particle Experiment @ScienceAspen
Follow a NSF funded high altitude ballooning project investigating stratospheric aerosols and taking place at McMurdo Station during the Antarctic winter ❄️ Antarctica Joined April 2019-
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Yeah thats us too...😉.
Although the ASPEN team is back from the ice the ballooning continues with observations of the Raikoke eruption in the Stratosphere. colorado.edu/today/2019/09/…
Why are balloon flight termination devices needed, don't the balloons just pop? As can be seen in this video (128x speed) from our flight last week in Wyoming, larger polyethylene balloons sometimes spring a leak instead, requiring the payload to be cut so it doesn't float away.
Although we deal with physical science here at ASPEN, wildlife and resource conservation is always an underlying part of Antarctic science missions. Here's a great article by @SethSykoraBodie on some of the policy struggles in the Southern Ocean. massivesci.com/articles/mpa-c…
3 flights in less than 24 hours and the final flights of ASPEN 2019! Seeing lots of interesting stuff up there... 🙂🇦🇶
Tomorrow is looking promising for our next launch! In our down time the ASPEN team got an eye opening tour of the McMurdo wastewater treatment facility by our friend Bill. Always amazing to see the effort the station makes to reduce its environmental impact. 💩
Less than 10 days with 3 flights to go! Strong winds aloft and a shifting #polarvortex has given us some time to work on other things. Dr. Deshler just gave an exciting seminar on atmospheric optics to an engaged and well informed McMurdo Station audience.
A great @NPR interview on TED radio hour with #SeanDavis (who also needs to get on Twitter) #Ozone #CFCs #Climate #policy npr.org/2019/06/07/730…
Accomplished a heated inlet/CN flight and an OPC flight all in one day over the weekend. Only three more to go! Photo cred to our checklist wizard Sallie Anderson
After almost a week of poor weather it looks like tomorrow is a strong contender for the next flight or possibly two flights. Stay tuned................
Two launches less than 6 hours apart in the dark and possible observations of #PolarStratosphericCloud development. Here at ASPEN we call that a home run. Video cred to Bob "The Weatherman" Michael.
Little teaser from yesterdays flight: Increasing condensation nuclei mixing ratios ( in #/mg of air) with altitude in the Stratosphere. We'll be flying a heated inlet on one of the next flights to probe the contribution of #MeteoricSmoke ☄️🎇🎈
Who knew "launch in the dark" could be used in place of #WalkinthePark. Flight #4 on the books!
The count down has started and launch #4 is only two hours away. Wish us luck!
Speaking of the #polarvortex...We use chemistry and aerosol forecasts from the climate model WACCM @CESM_WACCM to predict favorable flight conditions in the stratosphere. Special thanks to @Simone58429962 for including products that help us find #PolarStratosphericClouds
"Hurry up and wait" should be the motto of all good field missions. And ASPEN is one of the good ones. Windy weather and a shifting polar vortex has curbed us these last couple of weeks. But Sunday is looking promising for flight #4!
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Did you know that—in addition to spacecraft instruments and sounding rocket payloads—LASP conducts atmospheric science from high-altitude balloon platforms? Check out the work LASP scientist Lars Kalnajs and his colleagues are doing out of McMurdo Station in Antarctica.
Fascinating first CN sounding of the autumn Antarctic stratospheric aerosol layer. Clearly increasing mixing ratio profile strong suggests particles originate from above. Fraction non-volatile in the heated inlet flight will show for sure. @ScienceAspen @ICASLeeds
Little teaser from yesterdays flight: Increasing condensation nuclei mixing ratios ( in #/mg of air) with altitude in the Stratosphere. We'll be flying a heated inlet on one of the next flights to probe the contribution of #MeteoricSmoke ☄️🎇🎈
Alberta mega-fire > 316,000 acres: edmontonjournal.com/news/local-new…
@ScienceAspen @CESM_WACCM @Simone58429962 Here is the @NCAR_ACOM viewer: acom.ucar.edu/waccm/forecast/ Set Compound=Temperature, Altitude=50 hPa, Domain=South Polar Set date back a few days and play movie. #Ozone #O3 #WACCM
Visiting NIST and @Poppendieck .... seeing test houses and meeting the indoor air quality group!
On my way to present at the 2019 Scientific Ballooning Technologies Workshop in Minneapolis!
Awesome! I designed & built the system you can see in the small boxes directly above and below the parachute. One cuts everything down from the balloon once at altitude, and the other cuts away the parachute after landing.
Some great photos from the launch two days ago. Thanks to Stephen Allinger for the #heroshots. Never had a gondola look so good. allingerphotography.com
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