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AGU Scoop: MOSAiC Data Tell Tales of the Arctic
December 11 at the 2020 American Geophysical Union (AGU) Fall Meeting featured two sessions—16 talks total—on coupled atmosphere-sea ice-ocean processes in the central Arctic. (See the lists of presentations from Session 1 and Session 2; a third oral session is scheduled for 7–8 a.m. Pacific time Monday, December 14. NOTE: For meeting-specific links, use your AGU…
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AGU Scoop: SAIL Town Hall Emphasizes Collaborative, Interdisciplinary Science
The East River Watershed, located in central Colorado, is the focus of ARM’s upcoming SAIL field campaign. Slide is from a presentation by Ken Williams, Lawrence Berkeley National Laboratory. About 50 attendees of a December 8 virtual American Geophysical Union (AGU) town hall got the “who, what, when, where, why”—and the “how”—of ARM’s upcoming Surface…
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AMF2 Arrives in Finland
Editor’s note: Mike Ritsche, technical operations manager for the ARM Mobile Facility 2, sent this update in mid-December. After nine months at sea aboard the Horizon Spirit, the AMF2 reached land for an extended stay at the Station for Measuring Forest Ecosystem-Atmosphere Relations (SMEAR II) in Hyytiala, Finland. This nine-month, land-based deployment is in support…
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Light Scattering at Sea
Editor’s note: Ernie Lewis, principal investigator for the Marine ARM GPCI Investigations of Clouds (MAGIC) field campaign, introduces us to some MAGIC participants. In the last update I introduced some MAGIC people, including two college students, Danielle and Michelle, who are working with me on MAGIC data. Another student, Sarah, who will be a senior…
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Got the MAGIC in Me!
Editor’s note: Ernie Lewis, principal investigator for the Marine ARM GPCI Investigations of Clouds (MAGIC) field campaign, introduces us to some MAGIC participants. One of the great things about MAGIC for me has been the opportunity to meet and interact with many people I wouldn’t have otherwise met, from the ship’s crew to technicians to…
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Seasickness in Spirit!
The images in this post are graphic and could very well be those of me on a boat. Eight years ago, as a first-year graduate student, I was participating in a week-long oceanographic research cruise just off the coast of southern California. A severe case of seasickness rendered me so nauseous and incapable of work…
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Now We’re Cruising
Editor’s note: As part of the preparations for the upcoming Marine ARM GPCI Investigations of Clouds (MAGIC) field campaign, principal investigator Ernie Lewis shares his news of the deployment installation. I was in Los Angeles again last week to see the successful installation of the MAGIC instruments aboard the Horizon Spirit! It was great to…
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Raindrops and the Doppler Effect
Editor’s note: As part of the preparations for the upcoming Marine ARM GPCI Investigations of Clouds (MAGIC) field campaign, principal investigator Ernie Lewis discusses how radars use the Doppler effect to determine raindrop sizes and speeds. This illustration of the Doppler effect shows the change of wavelength caused by the motion of the source (in…
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Alphabet Soup: Radars for MAGIC
Editor’s note: As part of the preparations for the upcoming Marine ARM GPCI Investigations of Clouds (MAGIC) field campaign, principal investigator Ernie Lewis provided information about the types of radars that will be used during the campaign. The aerosol observing system (left) and AMF2 Operations van (right) will join a Ka-band radar and a specially…
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MAGIC Test Run to Hawaii
From the foredeck of the Horizon Spirit cargo ship, Mike Reynolds prepares to launch a weather balloon, substituting a vegetable for the radiosonde package.Editor’s note: As part of the preparations for the upcoming Marine ARM GPCI Investigations of Clouds (MAGIC) field campaign, principal investigator Ernie Lewis, AMF2 site manager Brad Orr, and co-investigator Mike Reynolds…