Results 251 to 260 of about 34,734 (271)

Ionospheric Variations During a Hurricane: Insights from COSMIC-2

2023
Journal of Student-Scientists' Research, Vol. 5 (2023)
BENJAMIN KNIGGE, Gann, Ayden, Yiğit, Erdal   +2 more
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COSMIC-2 Status and GNSS Radio Occultation Results

2020
<p>We present status and atmospheric retrieval results for the FORMOSAT-7/COSMIC-2 (COSMIC-2) mission. COSMIC-2 mission jointly managed by NOAA and Taiwan's National Space Organization (NSPO) and consists of six satellites launched on June 25, 2019 into a 24-degree inclination orbit.
Jan-Peter Weiss, Wei Xia-Serafino
openaire   +1 more source

Assessment of COSMIC-2 reduced-dynamic and kinematic orbit determination

2021
<p>The Constellation Observing System for Meteorology, Ionosphere, and Climate 2 (COSMIC-2) mission was launched on June 25, 2019 into six evenly spaced circular orbital planes of 24° inclination with initial altitudes of 725 km.
Adrian Jaeggi, Daniel Arnold, Jan Weiss, Doug Hunt   +3 more
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Near Real‐Time Global Plasma Irregularity Monitoring by FORMOSAT‐7/COSMIC‐2

Journal of Geophysical Research: Space Physics, 2021
AbstractThis study presents initial results of the ionospheric scintillation in the F layer using the S4 index derived from the radio occultation experiment (RO‐S4) on FORMOSAT‐7/COSMIC‐2 (F7/C2). With the sufficiently dense RO‐S4 observations at low latitudes, it is possible to construct hourly, global scintillation maps to monitor equatorial plasma ...
Shih‐Ping Chen, Charles (C. H.) Lin, Panthalingal Krishanunni Rajesh, Jann‐Yenq Liu, Richard Eastes, Min‐Yang Chou, Jong‐Min Choi   +6 more
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Vertical Atmospheric Structures Associated with Positive Biases in COSMIC-2 Refractivity Retrievals

Journal of Atmospheric and Oceanic Technology, 2022
Abstract Representation of complex vertical structures observed in the troposphere can vary depending on data sources. The radio occultation (RO) technique offers great advantages for sensing the atmosphere down to its lowermost layers using high-resolution measurements collected by satellites on low-Earth orbit (LEO).
Paweł Hordyniec, Robert Norman, John Le Marshall   +2 more
openaire   +1 more source

Equatorial Ionospheric Irregularities Observed by COSMIC 2 and GOLD Missions

2021
<p>Equatorial ionospheric irregularities is an important space weather phenomenon, which can disrupt GNSS and communication systems. COSMIC 2 GNSS RO observations are affected via scintillations in signal amplitudes and phases. At the same time, we can use these scintillations to monitor and geolocate the ionospheric irregularities, which
Qian Wu, John Braun, William Schreiner, Sergey Sokolovskiy, Iurii Cherniak, Irina Zakharenkova, Nick Pedatella, Min-yang Chou, Doug Hunt   +8 more
openaire   +1 more source

The Impact of Assimilating COSMIC‐2 Observations of Electron Density in WACCMX

Journal of Geophysical Research: Space Physics, 2022
AbstractThe present study investigates the impact of assimilating electron density profiles from the Constellation Observing System for Meteorology, Ionosphere, and Climate‐2 (COSMIC‐2) mission in a whole atmosphere data assimilation system. The observations are assimilated into the Whole Atmosphere Community Climate Model with thermosphere‐ionosphere ...
N. M. Pedatella, J. L. Anderson
openaire   +1 more source

Characteristics of ionospheric wavenumber structures in COSMIC-2 RO observations

2023
High-rate radio occultation (RO) in COSMIC2 (FORMOSAT7) enables us to investigate the continuous variability of the ionosphere at a Spatio-temporal resolution which was unthinkable a few decades ago. We present unique characteristics of ionospheric wavenumber structures observed using COSMIC2 RO data, not reported before.
openaire   +1 more source

Processing and Validation of FORMOSAT‐7/COSMIC‐2 GLONASS Total Electron Content Observations

Radio Science, 2023
AbstractThe Formosa Satellite‐7/Constellation Observing System for Meteorology, Ionosphere, and Climate‐2 (FORMOSAT‐7/COSMIC‐2, F7/C2) Tri‐GNSS Radio Occultation System observes both Global Positioning System (GPS) and GLObalnaya NAvigazionnaya Sputnikovaya Sistema (GLONASS) slant total electron content (TEC).
N. M. Pedatella, I. Zakharenkova, J. J. Braun, I. Cherniak, D. Hunt, W. S. Schreiner, P. R. Straus, B. L. Valant‐Weiss, T. Vanhove, J. Weiss, Q. Wu   +10 more
openaire   +1 more source

Recent Impact of COSMIC-2 with Improved Radio Occultation Data Assimilation Algorithms

Weather and Forecasting, 2023
Abstract A Constellation Observing System for Meteorology, Ionosphere and Climate (COSMIC) follow-on constellation, COSMIC-2, was successfully launched into equatorial orbit on 24 June 2019. With an increased signal-to-noise ratio due to improved receivers and digital beam-steering antennas, COSMIC-2 is producing about 5000 high-quality radio ...
openaire   +1 more source