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Reconstructing GRACE-type time-variable gravity from the Swarm satellites [PDF]

open access: yesScientific Reports, 2021
The Gravity Recovery and Climate Experiment (GRACE) mission has enabled mass changes and transports in the hydrosphere, cryosphere and oceans to be quantified with unprecedented resolution. However, while this legacy is currently being continued with the
H. Maja P. Richter   +5 more
doaj   +2 more sources

Possible seismo-ionospheric anomalies associated with the 2016 Mw 6.5 Indonesia earthquake from GPS TEC and Swarm satellites

open access: yesFrontiers in Astronomy and Space Sciences, 2022
Ionospheric anomalies through satellites can provide useful information about forthcoming earthquakes (EQs) over the epicentral regions. In this paper, we investigated seismo-ionospheric anomalies associated with the Mw 6.5 Sumatra earthquake that ...
Bushra Ghaffar   +2 more
exaly   +3 more sources

Developing a Deep Learning-Based Detector of Magnetic, Ne, Te and TEC Anomalies from Swarm Satellites: The Case of Mw 7.1 2021 Japan Earthquake

open access: yesRemote Sensing, 2022
Since the appearance and evolution of earthquake ionospheric precursors are expected to show a nonlinear and complex behaviour, the use of nonlinear predictor models seems more appropriate.
Mehdi Akhoondzadeh   +2 more
exaly   +3 more sources

On the Electron Temperature in the Topside Ionosphere as Seen by Swarm Satellites, Incoherent Scatter Radars, and the International Reference Ionosphere Model

open access: yesRemote Sensing, 2021
The global statistical median behavior of the electron temperature (Te) in the topside ionosphere was investigated through in-situ data collected by Langmuir Probes on-board the European Space Agency Swarm satellites constellation from the beginning of ...
Alessio Pignalberi   +2 more
exaly   +3 more sources

Automatic Anomaly Detection for Swarm Observations [PDF]

open access: yesJournal of Geodesy and Geoinformation Science, 2021
The Swarm satellite mission was launched on 22 November 2013, it is the first European Space Agency’s constellation of three satellites, dedicated to monitoring geomagnetic field changes.
Yaxin BI,Vyron CHRISTODOULOU,George WILKIE,Guoze ZHAO,Peter NICHOLL,Mingjun HUANG,Bin HAN,Ji TANG
doaj   +1 more source

Swarm-TEC Satellite Measurements as a Potential Earthquake Precursor Together With Other Swarm and CSES Data: The Case of Mw7.6 2019 Papua New Guinea Seismic Event

open access: yesFrontiers in Earth Science, 2022
On May 14, 2019, a strong Mw = 7.6 shallow earthquake occurred in Papua New Guinea. This paper explores for the first time the analysis of total electron content (TEC) products measured for 6 months by GPS antenna onboard Swarm satellites, to detect ...
Mehdi Akhoondzadeh   +4 more
doaj   +1 more source

A New Ionospheric Index to Investigate Electron Temperature Small-Scale Variations in the Topside Ionosphere

open access: yesUniverse, 2021
The electron temperature (Te) behavior at small scales (both spatial and temporal) in the topside ionosphere is investigated through in situ observations collected by Langmuir Probes on-board the European Space Agency Swarm satellites from the beginning ...
Alessio Pignalberi   +6 more
doaj   +1 more source

Satellite swarm survey and new conceptual design for Earth observation applications

open access: yesEgyptian Journal of Remote Sensing and Space Sciences, 2021
The new trend in Earth observation applications is to use a set of low-cost, simple and short development time satellites. A Swarm mission of twelve CubeSats as imaging nodes, besides, hub Microsatellite was already proposed to fulfill the earth ...
A. Farrag   +3 more
doaj   +1 more source

Satellite Swarm-Based Antenna Arrays for 6G Direct-to-Cell Connectivity

open access: yesIEEE Access, 2023
Direct connectivity in L/S frequency bands between satellites and common mobile terrestrial user equipment (UE), such as smartphones, is an essential feature for future 6G non-terrestrial networks.
Diego Tuzi   +2 more
doaj   +1 more source

A New Analysis Method for Magnetic Disturbances Possibly Related to Earthquakes Observed by Satellites

open access: yesRemote Sensing, 2022
Studies on magnetic disturbances in ultralow frequency ranges related to earthquakes observed by satellites are still limited. Based on Swarm satellites, this paper proposes a new analysis method to investigate pre-earthquake magnetic disturbances by ...
Xin-Yan Ouyang   +4 more
doaj   +1 more source

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