Results 81 to 90 of about 426 (165)
Local Time Variability of Gravity Wave Activity Revealed by SABER Temperature Observations
Geophysical Research Letters, Volume 52, Issue 23, 16 December 2025.Abstract The global characteristics of gravity wave potential energy variation depending on local time are analyzed using satellite observations covering a broad range of local times. A clear diurnal variation is observed in the equatorial region between 15°S and 15°N.
D. Koshin +3 more
wiley +1 more source
Bridging the Gap Between the Earth's Ionosphere and Plasmasphere
Geophysical Research Letters, Volume 52, Issue 23, 16 December 2025.Abstract Cold plasma distribution in the ionosphere‐plasmasphere system governs wave‐particle interactions, plasma energization and loss, and radio wave propagation. A longstanding observational gap at altitudes ∼ ${\sim} $800–8,000 km has largely prevented studying the coupled dynamics of the two regions.
Artem Smirnov +16 more
wiley +1 more source
NDT - Journal of Non-Destructive TestingClimate change monitoring and analysis is a critical task that involves the consideration of both spatial and temporal dimensions. Theimproved spatial distribution of the global navigation satellite system (GNSS) ground-based Continuous Operating ...
Usman Sa’i Ibrahim +6 more
doaj +1 more source
Tropospheric Information Content Embedded in GNSS RO Reflected Signals
, 2010 5 páginas. International Beacon Satellite Symposium (2010 : Barcelona, Espanya) This work presents the studies being conducted on the retrieval of tropospheric information from GNSS Radio-Occultation signals reflected off of the Earth’s surface.
Cardellach, Estel +2 more
openaire +1 more source
Proceedings of the 7th URSI Asia-Pacific RadioScience Conference – AP-RASC 2025This paper investigates on the detection and localization of ionospheric irregularities using GNSS Radio Occultation (GNSS-RO). We propose a new segmented phase screen (PS) approach to improve vertical and horizontal localization and remove the presence of outliers. The study focused on the May 2024 geomagnetic solar storm is presented, consisting of a
Quilis Alfonso, Carles +5 more
openaire +2 more sources
Polarimetric GNSS RO aboard the PAZ satellite
, 2020 Talk delivered in Informal Seminar UK MetOffice in Great Britain, 21 February 2020 ,
openaire +1 more source
Quality Assessment of YUNYAO GNSS-RO Refractivity Data in the Neutral Atmosphere
Abstract. GNSS (Global Navigation Satellite System) Radio Occultation (RO) data is an important component of numerical weather prediction (NWP) systems. To incorporate more GNSS RO data into NWP systems, commercial RO data has become an excellent option. Tianjin Yunyao Aerospace Technology Co., Ltd.
Xiaoze Xu +6 more
openaire +2 more sources
A Novel Sampling Approach in GNSS-RO Receivers with Open Loop Tracking Method
AUT Journal of Electrical Engineering, 2019 Propagation of radio occultation (RO) signals through the lower troposphere results in high phase acceleration and low signal to noise ratio signal. The excess Doppler estimation accuracy in lower troposphere is very important in receiving RO signals which can be estimated by sliding window spectral analysis.
openaire +2 more sources
The Potential for Observing African Weather with GNSS Remote Sensing
Advances in Meteorology, 2015 When compared to the wide range of atmospheric sensing techniques, global navigation satellite system (GNSS) offers the advantage of operating under all weather conditions, is continuous, with high temporal and spatial resolution and high accuracy, and ...
Olalekan A. Isioye +3 more
doaj +1 more source
IEEE Journal of Selected Topics in Applied Earth Observations and Remote SensingThe work of B.-E. Boudriki-Semlali was supported by an FI Grant: 2021 FI_B 00471 from FIAGAUR 2021. This work was supported in part by project “GENESIS: GNSS Environmental and Societal Missions- Subproject UPC” under Grant PID2021-126436OB-C21 sponsored by the Ministerio de Ciencia e Investigación (MCIN)/Agencia Estatal de Investigación(AEI)/10.13039 ...
Mireia Carvajal-Librado +4 more
openaire +4 more sources