Results 61 to 70 of about 1,334 (170)

Detection and description of the different ionospheric disturbances that appeared during the solar eclipse of 21 August 2017 [PDF]

, 2018
This work will provide a detailed characterization of the travelling ionospheric disturbances (TIDs) created by the solar eclipse of 21 August 2017, the shadow of which crossed the United States from the Pacific to the Atlantic ocean.
Hernández Pajares, Manuel, Monte Moreno, Enrique, Yang, Heng   +2 more
core   +2 more sources

The United States Magnetotelluric Array and the National Impedance Map

Reviews of Geophysics, Volume 64, Issue 2, June 2026.
Abstract The United States Magnetotelluric Array (USMTArray) data set, collected in the years 2006–2024, consists of more than 1,700 long‐period magnetotelluric stations covering the entirety of the contiguous United States on a quasi‐regular 70 km grid.
Anna Kelbert, Paul A. Bedrosian, Adam Schultz, Gary D. Egbert, Louise Pellerin, Jeffrey J. Love, Andrew Frassetto, Benjamin S. Murphy   +7 more
wiley   +1 more source

Inversion, error analysis, and validation of GPS/MET occultation data [PDF]

Annales Geophysicae, 1999
The global positioning system meteorology (GPS/MET) experiment was the first practical demonstration of global navigation satellite system (GNSS)-based active limb sounding employing the radio occultation technique.
A. K. Steiner, G. Kirchengast, H. P. Ladreiter   +2 more
doaj   +1 more source

A Shape Optimization Approach for Inferring Sources of Volcano Ground Deformation

Geophysical Research Letters, Volume 53, Issue 7, 16 April 2026.
Abstract One of the main goals of volcano geodesy is to improve the understanding of how an increase in pressure related to magma accumulation causes ground deformation in order to evaluate volcanic unrest. The inversion methods used for this purpose rely on a parametrization of the shape of the crustal volume in which pressure changes due to magma ...
Théo Perrot, Freysteinn Sigmundsson, Charles Dapogny   +2 more
wiley   +1 more source

Ionospheric response over Europe during the solar eclipse of March 20, 2015

Journal of Space Weather and Space Climate, 2016
The solar eclipse on March 20, 2015 was a fascinating event for people in Northern Europe. From a scientific point of view, the solar eclipse can be considered as an in situ experiment on the Earth’s upper atmosphere with a well-defined switching off and
Hoque Mohammed Mainul, Wenzel Daniela, Jakowski Norbert, Gerzen Tatjana, Berdermann Jens, Wilken Volker, Kriegel Martin, Sato Hiroatsu, Borries Claudia, Minkwitz David   +9 more
doaj   +1 more source

Space and atmospheric physics on Svalbard: a case for continued incoherent scatter radar measurements under the cusp and in the polar cap boundary region

Progress in Earth and Planetary Science, 2023
Incoherent scatter radars (ISRs) represent the only instrument (both ground and space based) capable of making high temporal and spatial resolution measurements of multiple atmospheric parameters—such as densities, temperatures, particle velocities, mass
Lisa Baddeley, Dag Lorentzen, Stein Haaland, Erkka Heino, Ingrid Mann, Wojciech Miloch, Kjellmar Oksavik, Noora Partamies, Andres Spicher, Juha Vierinen   +9 more
doaj   +1 more source

GPS differential code biases determination: methodology and analysis [PDF]

, 2017
The final publication is available at Springer via http://dx.doi.org/10.1007/s10291-017-0634-5We address two main problems related to the receiver and satellite differential code biases (DCBs) determination.
González Casado, Guillermo, Juan Zornoza, José Miguel, Rovira Garcia, Adrià, Sanz Subirana, Jaume   +3 more
core   +2 more sources

A Computationally Efficient Method for Deriving Instantaneous F2 Layer Peak Parameters From Climatological Maps and TEC Observations

Journal of Geophysical Research: Space Physics, Volume 131, Issue 4, April 2026.
Abstract International Reference Ionosphere (IRI) and the Ionosphere‐Plasmasphere (IRI‐Plas) models describe monthly median ionospheric conditions. IRI‐Plas, unlike IRI, allows one to include instantaneous Total Electron Content observations (TEC) to adjust the median predictions. The standard IRI‐Plas generates monthly medians of foF2m, hmF2m and TECm
T. L. Gulyaeva, F. Arikan, M. Hernández‐Pajares, I. Stanislawska, A. M. Padokhin   +4 more
wiley   +1 more source

Impact and implementation of higher-order ionospheric effects on precise GNSS applications [PDF]

, 2017
High precision Global Navigation Satellite Systems (GNSS) positioning and time transfer require correcting signal delays, in particular higher-order ionospheric (I2+) terms.
Adeniyi, Banville, Bergeot, Bilitza, Bock, Boehm, Boehm, Brunner, Deng, Deng, Dow, Fritsche, Gulyaeva, Hadaś, Hernandez-Pajares, Hernández-Pajares, Hernández-Pajares, Hernández-Pajares, Hernández-Pajares, Hernández-Pajares, Hoque, Jakowski, Jiang, Joshua, Kedar, Liu, Lutz, Odijk, Orús-Pérez, Orús-Pérez, Paziewski, Paziewski, Paziewski, Petrie, Petrie, Prange, Saastamoinen, Thébault, Zus   +38 more
core   +2 more sources

OH Airglow for Ionospheric Seismology Applications—From Instrumental Noise Characterization to Rayleigh Waves Detection Threshold

Journal of Geophysical Research: Space Physics, Volume 131, Issue 4, April 2026.
Abstract Airglow layers are powerful tracers of upper‐atmosphere dynamics because of their sensitivity to a broad spectrum of atmospheric wave phenomena. Seismic activity, and in particular Rayleigh waves, constitutes a forcing mechanism capable of generating infrasonic waves in the atmosphere.
P.‐Y. Froissart, P. Lognonné, P. Simoneau, K. Nishida, T. Ohminato   +4 more
wiley   +1 more source