Results 121 to 130 of about 132,086 (264)
IonKit-NH: a MATLAB-based toolkit for ionospheric detection of natural hazard [PDF]
Long Tang
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Abstract Sporadic E (Es) layer plays essential role in ionosphere‐atmosphere coupling. Theoretical simulations show that the atmospheric gravity waves (GWs) in the lower thermosphere are the main modulatory source on Es dynamics at small spatial scales and short periods.
Junyi Wang +9 more
wiley +1 more source
Abstract Previous studies suggest that a tropical cyclone (TC) may contribute to the genesis of another TC to its east or southeast in the western North Pacific (WNP) through Rossby wave dispersion. However, the influence of a pre‐existing TC (PTC) has not been fully clarified in realistic simulations.
Kosuke Ito, Kenji Yamauchi
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Abstract The characteristics of Pekeris modes as well as Lamb modes are investigated using the new reanalysis data set JAWARA, which spans over 19 years and covers the entire middle atmosphere. Pekeris modes are a class of global normal modes whose energy is trapped in two height regions that is, around the stratopause and the surface, while the energy
Hiroto Sekido, Kaoru Sato
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Equinoctial asymmetry of a low-latitude ionosphere-thermosphere system and equatorial irregularities: evidence for meridional wind control [PDF]
Takashi Maruyama +5 more
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Abstract We analyze Interferometric Synthetic Aperture Radar (InSAR) and Global Navigation Satellite System (GNSS) data to characterize ground deformation and dike opening associated with the May 2021 Nyiragongo eruption. Despite documented eruptions in 1977 and 2002, Nyiragongo's magmatic system and its interaction with regional rifting remain poorly ...
D. Murekezi +9 more
wiley +1 more source
Improved Modeling of Global Ionospheric Total Electron Content Using Prior Information [PDF]
Cheng Wang +3 more
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Abstract Ultra‐low frequency (ULF) waves are a ubiquitous carrier of energy in geospace. However, their efficiency in transferring solar wind energy into the upper atmosphere remains a fundamental and not well‐understood question. This is due to their global presence, which cannot be fully quantified by spatially limited observations, and the need for ...
Dong Lin +9 more
wiley +1 more source
Why is there more ionosphere in January than in July? The annual asymmetry in the F2-layer [PDF]
H. Rishbeth, Ingo Mueller‐Wodarg
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