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New MOSAiC Value-Added Product Released to Evaluation
ARM deployed a Doppler lidar on the research icebreaker R/V Polarstern for the Multidisciplinary Drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition. The Polarstern left Tromsø, Norway, in September 2019 for a 13-month expedition that went through the central Arctic. A new value-added product (VAP) developed specifically for the Multidisciplinary Drifting Observatory for…
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New Aerosol Hygroscopicity Kappa Data Ready for Evaluation
Sample CCNSMPSKAPPA plots from the Surface Atmosphere Integrated Field Laboratory (SAIL) field campaign in Colorado show kappa values within critical diameter-supersaturation field space (top) and a time series of kappa (bottom) on March 15, 2022, at the Crested Butte Mountain Resort site. Hygroscopicity is the ability of a particle to take up moisture from the…
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Updated Microwave Radiometer Retrieval Product Available for MOSAiC
The Microwave Radiometer Retrievals (MWRRET) value-added product retrieves column precipitable water vapor and liquid water path from ARM’s 2-channel microwave radiometers. New files from the Microwave Radiometer Retrievals value-added product (MWRRET VAP) are now available for the Multidisciplinary Drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition. This release is more complete than the…
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Three New Value-Added Products Available for MOSAiC Expedition
ARM instruments, including radars and aerosol instruments, operated on an icebreaker in the central Arctic during the 2019–2020 Multidisciplinary Drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition. Photo is by Tercio Silva, then with Hamelmann Communications. The Atmospheric Radiation Measurement (ARM) user facility released three new value-added products (VAPs) from the 2019–2020 Multidisciplinary…
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Access Ice-Nucleating Particle Data From MOSAiC Expedition
The Multidisciplinary Drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition featured the first data capturing the annual cycle of ice-nucleating particles in the central Arctic. In the Atmospheric Radiation Measurement (ARM) Data Center, two principal investigator data sets on ice-nucleating particles (INPs) are now available from the 2019–2020 Multidisciplinary Drifting Observatory for the…
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MOSAiC: A Sustained Echo of Data
With an epic Arctic Ocean expedition at an end, researchers wrangle with rich ARM measurements During the 2019–2020 Multidisciplinary Drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition, the research icebreaker R/V Polarstern is ablaze with lights during polar night, which lasted four months. Photo by Matthew Shupe, Cooperative Institute for Research in Environmental…
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Epic Arctic Mission Ends
International climate research project marked by scientific surprises, logistical challenges This release was originally published October 12, 2020, on the Cooperative Institute for Research in Environmental Sciences (CIRES) website. On the morning of October 12, 2020, the icebreaker R/V Polarstern arrives in Bremerhaven, Germany, to end the yearlong MOSAiC expedition. Photo is courtesy of the Alfred…
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End of MOSAiC: Follow the Polarstern’s Homecoming Online
Taken in June 2020, this photo overlooks the R/V Polarstern and the MOSAiC ice camp. Photos are by Lianna Nixon, Cooperative Institute for Research in Environmental Sciences and the University of Colorado, Boulder. Not much farther to go now—the icebreaker R/V Polarstern is days away from reaching its home port in Bremerhaven, Germany. Upon the…
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MOSAiC Blog: Starting Toward Home
September 20, 2020, marked a big day in the Multidisciplinary Drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition. One year after leaving Tromsø, Norway, to start the MOSAiC expedition, the icebreaker R/V Polarstern ended its drift with the arctic ice floe and started toward its home port of Bremerhaven, Germany. The Polarstern is expected…
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ARM Technician Goes on Work Trip of a Lifetime
Editor’s note: ARM technician Tercio Silva of Hamelmann Communications worked on the Cold-Air Outbreaks in the Marine Boundary Layer Experiment (COMBLE) and the Multidisciplinary Drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition. Here he shares his experience working on both campaigns. Photos are by Silva except where indicated. I am ready for the…