Inverting COSMIC-2 Phase Data to Bending Angle and Refractivity Profiles Using the Full Spectrum Inversion Method

Adhikari, Loknath; Ho, Shu-Peng; Zhou, Xinjia

doi:10.3390/rs13091793

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Inverting COSMIC-2 Phase Data to Bending Angle and Refractivity Profiles Using the Full Spectrum Inversion Method

2021
By Adhikari, Loknath ; Ho, Shu-Peng ; Zhou, Xinjia
Source: Remote Sens. 2021, 13(9), 1793

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Journal Title:

Remote Sensing
Personal Author:

Adhikari, Loknath ; Ho, Shu-Peng ; Zhou, Xinjia

Adhikari, Loknath ; Ho, Shu-Peng ; Zhou, Xinjia Less -
NOAA Program & Office:

NESDIS (National Environmental Satellite, Data, and Information Service) ; STAR (Center for Satellite Applications and Research) ; CISESS (Cooperative Institute for Satellite Earth System Studies)

NESDIS (National Environmental Satellite, Data, and Information Service) ; STAR (Center for Satellite Applications and Research) ; CISESS (Cooperative Institute for Satellite Earth System Studies) Less -
Description:

The radio occultation technique provides stable atmospheric measurements that can work as a benchmark for calibrating and validating satellite-sounding data. Launched on 25 June 2019, the Constellation Observing System for Meteorology, Ionosphere, and Climate 2 and Formosa Satellite Mission 7 (COSMIC-2/FORMOSAT-7) are expected to produce about 5000 high-quality RO observations daily over the tropics and subtropics. COSMIC-2 constellation consists of 6 Low Earth Orbit (LEO) satellites in 24° inclination orbits at 720 km altitude and distributed mainly between 45°N to 45°S. The COSMIC-2 observations have uniform temporal coverage between 30°N to 30°S. This paper presents an independent inversion algorithm to invert COSMIC-2 geometry and phase data to bending angle and refractivity. We also investigate the quality of Global Navigation Satellite System (GNSS) and LEO position vectors derived from the UCAR COSMIC Data Analysis and Archive Center (CDAAC).
Keywords:

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Bending Angle Excess Phase Full Spectrum Inversion Global Navigation Satellite System Radio Occultation Refractivity
Source:

Remote Sens. 2021, 13(9), 1793
DOI:

https://doi.org/10.3390/rs13091793
Document Type:

Journal Article
Funding:

Grant no. NA19NES4320002
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CC BY
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Submitted
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urn:sha256:2148d73f9b3dc4aaf3aece7a0910c988586cfe971a37336f2f5265c982cab6ab
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https://repository.library.noaa.gov/view/noaa/41826/noaa_41826_DS1.pdf
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Inverting COSMIC-2 Phase Data to Bending Angle and Refractivity Profiles Using the Full Spectrum Inversion Method

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