Zobrazeno 1 - 10
of 10 231
pro vyhledávání: '"Occultation"'
Publikováno v:
Earth, Planets and Space, Vol 76, Iss 1, Pp 1-16 (2024)
Abstract Several outstanding issues concerning the ionosphere of Mars can be addressed with the support of radio occultation observations acquired near the solar zenith angle limit of 45 $$^{\circ }$$ ∘ . First, two fundamentally different types of
Externí odkaz:
https://doaj.org/article/5c68e2c667454b938932566a5ad78d12
Autor:
Yunjian Xie, Qingyun Yan
Publikováno v:
Satellite Navigation, Vol 5, Iss 1, Pp 1-13 (2024)
Abstract Sea ice, a significant component in polar regions, plays a crucial role in climate change through its varying conditions. In Global Navigation Satellite System-Reflectometry (GNSS-R) studies, the observed surface reflectivity Γ serves as a
Externí odkaz:
https://doaj.org/article/3d755496c814420d802fbdd8b3d6fb92
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 17, Pp n/a-n/a (2024)
Abstract The lack of high vertical resolution atmospheric thermodynamic structure observations inside or near major weather events impedes our understanding of physical processes and their predictability in numerical weather prediction (NWP) models.
Externí odkaz:
https://doaj.org/article/724c76324092413dae376af39324238b
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 14, Pp n/a-n/a (2024)
Abstract This study investigates the potential impact of Solar Energetic Particles (SEPs) on the V0 layer of the Venus ionosphere. Electron density profiles obtained from radio occultation experiments conducted by the Venus Express (VEX) and Akatsuki
Externí odkaz:
https://doaj.org/article/7ac3924915b84f059f1a72139ac5b17a
Autor:
A. Brines, M. A. López‐Valverde, B. Funke, F. González‐Galindo, S. Aoki, G. L. Villanueva, J. A. Holmes, D. A. Belyaev, G. Liuzzi, I. R. Thomas, J. T. Erwin, U. Grabowski, F. Forget, J. J. Lopez‐Moreno, J. Rodriguez‐Gomez, F. Daerden, L. Trompet, B. Ristic, M. R. Patel, G. Bellucci, A. C. Vandaele
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 14, Pp n/a-n/a (2024)
Abstract Here we present water vapor vertical profiles observed with the ExoMars Trace Gas Orbiter/Nadir and Occultation for MArs Discovery instrument during the perihelion and Southern summer solstice season (LS = 240°–300°) in three consecutive
Externí odkaz:
https://doaj.org/article/76ab109a819f478fad340cbd76f9afea
Publikováno v:
地球与行星物理论评, Vol 55, Iss 2, Pp 164-174 (2024)
Mars is the sister star of Earth. Studying Mars is important to understand its evolution as well as that of Earth and even the solar system. Since the launch of American Mariner 4 in 1964 and the first successful use of radio occultation technology t
Externí odkaz:
https://doaj.org/article/95c244560b6c49a2842ccaf9f9cb1f5a
Autor:
Mireia Carvajal-Librado, Carlos Molina, Badr-Eddine Boudriki Semali, Hyuk Park, Adriano Camps
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 16020-16029 (2024)
Lithosphere–atmosphere–ionosphere coupling models have been widely studied as potential earthquake precursors. After the earthquakes, total electron content (TEC) anomalies propagating away from the epicenter have been identified. Recent evidence
Externí odkaz:
https://doaj.org/article/50c537ce4ed44df3a045e8437301eca9
Autor:
Dong L. Wu
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 8642-8645 (2024)
The jamming is found to increase significantly in recent years, and its impact is evident in Global Navigation Satellite System (GNSS) radio occultation (RO) measurements, such as those from COSMIC-2. This article presents an algorithm that applies t
Externí odkaz:
https://doaj.org/article/8b2114f786234bd588f383ab1fae6dae
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 274-281 (2024)
In this article, we present the first demonstration of the FengYun-3E (FY3E) Global Navigation Satellite System Occultation Sounder II-Reflectometry (GNOS-R) payload's capacity to detect near-surface soil freeze/thaw (F/T) states. This study offers a
Externí odkaz:
https://doaj.org/article/e5ca789970f0464cb4397cdc99765b1c
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