Nathan Magee
(TCNJ - Physics Department)
Captured Cirrus Ice Particles in High Definition
What | Meteo Colloquium GR Undergraduate |
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When |
Apr 24, 2019 03:30 PM
Apr 24, 2019 04:30 PM
Apr 24, 2019 from 03:30 pm to 04:30 pm |
Where | 112 Walker Building, John Cahir Auditorium |
Contact Name | Jerry Harrington |
Contact email | jyh10@psu.edu |
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New results will be presented from an experimental capture system that achieves high resolution cryo-scanning electron microscopy images of natural cirrus particles. The novel system (Ice Cryo-Encapsulation by Balloon, "ICEBall") deploys a balloon-borne payload with environmental sensors and hermetically-sealed cryo-encapsulation cells. The payload scoops particles from cirrus clouds, seals them, and returns them via parachute for vapor-locked transfer onto a cryo-scanning electron microscopy stage. On several flights, including one highlighted here, thousands of cirrus particles were retrieved and imaged, revealing unanticipated particle morphologies and even greater complexity than expected