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Satellite Geodesy and Earth System Monitoring

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Earth Sciences".

Deadline for manuscript submissions: 30 December 2026 | Viewed by 1144

Editors


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Guest Editor
1. Division of Meteorology-Forecast and Observations, Department of Research and Developments, Swedish Meteorological and Hydrological Institute (SMHI), Norrköping, Sweden
2. Department of Applied Geomatics, University of Sherbrooke, Sherbrooke, QC, Canada
Interests: geodesy; physical geodesy; satellite gravimetry; mathematical statistics and Kalman filtering; geodetic networks; isostasy; stress and strain modelling
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Hong Kong, China
Interests: physical geodesy; satellite geodesy; geophysics; geodynamics; climate change; gravimetry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are excited to announce a Special Issue of Applied Sciences, titled "Satellite Geodesy and Earth System Monitoring". The goal of this Special Issue is to highlight the role of satellite geodesy in various Earth science fields and to promote its interdisciplinary nature.

In recent years, satellite technology and sensor advancements have enabled the collection of vast amounts of high-quality, uniform data, with exceptional global coverage. These advances have significantly improved the precision of geodesy, allowing us to accurately estimate positions, coordinates, and the gravity field of Earth, along with its temporal variations. These developments offer new opportunities to monitor and understand the Earth systems more effectively.

Satellite geodesy is crucial for advancing our understanding of how Earth systems function and evolve. Interdisciplinary research is essential in this context, as it provides fresh perspectives and approaches to studying our planet. By utilizing satellite data across Earth sciences, we can manage resources, energy supplies, and ecosystems more effectively, guiding us towards a more sustainable, safer, and healthier future.

We invite high-quality papers that explore the applications of satellite geodesy in Earth system monitoring, particularly ones that foster interdisciplinary approaches and new insights into Earth's dynamic processes.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the time-dependent applications of satellite geodesy in:

  1. Meteorology and Atmospheric Modelling: Monitoring temporal variations in atmospheric phenomena, including ionospheric and tropospheric conditions, and their impacts on weather patterns, climate change, and atmospheric pressure shifts using GNSS and satellite-based systems. Studying how space weather variations (e.g., solar flares, geomagnetic storms) dynamically affect GNSS signals and positioning accuracy over time, influencing long-term Earth system observations.
  2. Hydrology and Temporal Water Cycle Variability: Tracking changes in groundwater levels, terrestrial water storage, river flow, and hydrological extremes (such as floods, droughts, or water scarcity) over time using satellite geodesy techniques, including GRACE, SWOT, and radar altimetry.
  3. Oceanography and Cryosphere: Monitoring temporal changes in sea levels, ocean currents, and dynamic ocean circulation patterns using satellite altimetry and geodetic methods to track both seasonal and long-term oceanic fluctuations. Additionally, tracking changes in glaciers, ice sheets, and snow cover, including ice mass loss or gain, with satellite altimetry, GRACE, and other remote sensing tools.
  4. Geodynamics: Monitoring the temporal evolution of Earth’s surface deformation, including tectonic plate movements, fault slip, earthquake-induced displacement, and post-seismic deformation using GNSS, InSAR, and satellite-based geodetic data. This also includes tracking land subsidence and surface deformation due to natural or human-induced activities (e.g., groundwater extraction, mining, infrastructure development). Additionally, satellite geodesy helps study Earth’s rotation and orientation and provides real-time monitoring for tsunami prediction.

We look forward to receiving your contributions.

Prof. Dr. Mehdi Eshagh
Dr. Robert Tenzer
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-anonymized peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • geodesy
  • earth system monitoring
  • geodynamics
  • satellite gravimetry

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Published Papers (1 paper)

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Research

26 pages, 28251 KB  
Article
Assessing the Accuracy of ECMWF Operational Atmospheric Forecasts with Tropospheric Delays from Ray Tracing
by Özgür Özel and Kamil Teke
Appl. Sci. 2026, 16(15), 7799; https://doi.org/10.3390/app16157799 - 5 Aug 2026
Viewed by 334
Abstract
This study presents a comprehensive global accuracy assessment of the medium-range (up to 15 days) forecast pressure-level data generated by the physics-based Integrated Forecast System (IFS) and the newly operational, data-driven Artificial Intelligence Forecasting System (AIFS) from the European Centre for Medium-Range Weather [...] Read more.
This study presents a comprehensive global accuracy assessment of the medium-range (up to 15 days) forecast pressure-level data generated by the physics-based Integrated Forecast System (IFS) and the newly operational, data-driven Artificial Intelligence Forecasting System (AIFS) from the European Centre for Medium-Range Weather Forecasts (ECMWF) based on the radio wave signal delays during propagation through the troposphere. Troposphere signal path delays are calculated using the software package Ankara Ray-tracing Tools (ART). This newly developed troposphere ray-tracing software package integrates hydrostatic and wet refractivities along the ray path of a radio wave signal using an approximation of a two-dimensional piecewise-linear ray path. Along with the IFS and AIFS pressure-level data, the AIFS/IFS combination generated and appended in this study is used to compute 62 forecast runs for each of the January and August 2025 monthly periods. Each run includes 6-hourly forecast steps over 15 days and is initialized twice daily at 0 and 12 UT throughout January and August 2025. These forecasts cover 52 globally distributed Global Navigation Satellite Systems (GNSS) stations operated by the International GNSS Service (IGS). The forecast zenith delay accuracies were systematically evaluated using the root mean square (RMS) and bias error metrics with respect to the IGS troposphere product and the ECMWF Operational Analysis data as robust validation benchmarks. In addition to the Vienna Mapping Functions 3 (VMF3) troposphere delay product, the empirical troposphere delay models Global Pressure and Temperature 3 (GPT3) and the model utilized by satellite-based augmentation systems (SBAS, e.g., WAAS and EGNOS) GNSS receivers are incorporated into the assessments. Both IFS and AIFS models exhibit exceptional short-range capabilities, keeping global zenith total delay errors (RMS relative to IGS) below 2 cm up to a 2-day lead time. However, a critical performance crossover occurs between the 10-day and 11-day forecasting horizons, where the forecast accuracy of both IFS and AIFS declines below the threshold of the GPT3 model, whose zenith total delay RMS across all stations with respect to the IGS troposphere product is found to be about 4 cm. The findings of this study offer crucial insights for improving the accuracy of real-time satellite navigation, climate monitoring, and satellite-based high-precision positioning applications. Full article
(This article belongs to the Special Issue Satellite Geodesy and Earth System Monitoring)
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