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30 August 2019 IceCube: spaceflight demonstration of 883-GHz cloud radiometer for future science
Dong L. Wu, Jeffrey R. Piepmeier, Jaime Esper, Negar Ehsan, Paul E. Racette, Thomas E. Johnson, Brian S. Abresch, Eric Bryerton
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Proceedings Volume 11131, CubeSats and SmallSats for Remote Sensing III; 1113103 (2019) https://doi.org/10.1117/12.2530589
Event: SPIE Optical Engineering + Applications, 2019, San Diego, California, United States
Abstract
Cloud ice play important roles in Earth’s climate and weather systems through their interactions with atmospheric radiation, dynamics, energy and precipitation processes. Submillimeter (submm) wave remote sensing at 200-1000 GHz is able to provide the sensitivity not covered by visible (VIS)/infrared (IR) and low-frequency microwave (MW) sensors (10-183 GHz), and measure cloud ice in the middle-to-upper troposphere. The IceCube 883-GHz cloud radiometer is the latest of NASA’s efforts to advance the technology readiness level (TRL) of submm-wave receiver technology for future compact, low-cost implementation of Earth observing systems. Emerging CubeSat opportunities allow a fast-track development and spaceflight demonstration of IceCube on a 3-U CubeSat. Funded by NASA’s In-Space Validation of Earth Science Technologies (InVEST) program and Science Mission Directorate (SMD), IceCube is the first CubeSat developed and flown by Goddard Space Flight Center (GSFC) in 2.5 years, using commercial off-the-shelf (COTS) components and subsystems. It was successfully released from International Space Station (ISS) in May 2017, acquired 15-month science data and produced the first global map of the 883-GHz cloud ice. It achieved all mission objectives and provided a pathway for future cost-effective cloud observations from CubeSat constellation.
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Dong L. Wu, Jeffrey R. Piepmeier, Jaime Esper, Negar Ehsan, Paul E. Racette, Thomas E. Johnson, Brian S. Abresch, and Eric Bryerton "IceCube: spaceflight demonstration of 883-GHz cloud radiometer for future science", Proc. SPIE 11131, CubeSats and SmallSats for Remote Sensing III, 1113103 (30 August 2019); https://doi.org/10.1117/12.2530589
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KEYWORDS
Clouds
Radiometry
Space operations
Receivers
Calibration
Sensors
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