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Calibration and Scanning Strategy of Tropospheric Water and Cloud Ice (Twice) Instrument for 6U-Class Cubesats
- Source :
- IGARSS
- Publication Year :
- 2019
- Publisher :
- IEEE, 2019.
-
Abstract
- Global observations with information content on water vapor content, ice water content and ice particle size distribution are needed to enhance knowledge of the impact of ice clouds on Earth’s weather and climate. These observations may also help to reduce the uncertainty of global climate models. The Tropospheric Water and Cloud Ice (TWICE) microwave radiometer instrument has been designed to perform temperature and humidity sounding of the atmosphere near the 118.75, 183.31 and 380.20 GHz atmospheric absorption lines, as well as to retrieve ice cloud particle size information from radiometric measurements at 240, 310, 670 and 850 GHz. To acquire high-quality data, the TWICE instrument performs end-to-end, on-orbit calibration of all radiometer channels during each scan. The TWICE instrument is designed to fit within the mass, volume and power constraints of the 6U CubeSat platform.
- Subjects :
- Ice cloud
Radiometer
010504 meteorology & atmospheric sciences
Microwave radiometer
01 natural sciences
Troposphere
Atmosphere
Depth sounding
0103 physical sciences
Calibration
Environmental science
010303 astronomy & astrophysics
Water vapor
0105 earth and related environmental sciences
Remote sensing
Subjects
Details
- Database :
- OpenAIRE
- Journal :
- IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium
- Accession number :
- edsair.doi...........ca4cd82dd47099a158c9f630382ae9a4