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Remote Sensing
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Applications of Satellite Geodesy for Sea-Level Change Observation
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Applications of Satellite Geodesy for Sea-Level Change Observation

A special issue of Remote Sensing (ISSN 2072-4292). This special issue belongs to the section "Ocean Remote Sensing".

Deadline for manuscript submissions: 15 December 2024 | Viewed by 3107

Special Issue Editors

Dr. Isabel Vigo

E-Mail Website
Guest Editor
Departamento de Matemática Aplicada, University of Alicante, 03690 Alicante, Spain
Interests: space geodesy; earth observation; sea level, ocean geostrophy; satellite altimetry; satellite gravimetry
Special Issues, Collections and Topics in MDPI journals
Dr. David García-García

E-Mail Website
Guest Editor
Departamento de Matemática Aplicada, University of Alicante, 03690 Alicante, Spain
Interests: space geodesy; water mass transport; time-variable gravity; ocean geostrophy
Special Issues, Collections and Topics in MDPI journals
Dr. José Antonio López Fernández

E-Mail Website
Guest Editor
Subdirección General de Astronomía y Geodesia, Instituto Geografico Nacional, 28003 Madrid, Spain
Interests: telecommunications engineering; geodesy; surveying
Prof. Dr. José M. Ferrándiz

E-Mail Website
Guest Editor
Departamento de Matemática Aplicada, University of Alicante, 03690 Alicante, Spain
Interests: space geodesy; satellite dynamics; earth rotation theory and models; space sciences; Earth sciences; astrometry; numerical methods; celestial mechanics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue focuses on the various applications of satellite geodetic techniques for monitoring and understanding sea level change. As sea levels continue to rise due to climate change, it becomes increasingly important to take advantage of advanced geodetic technologies to accurately measure and analyse these changes. This Special Issue is open to both review articles and those that capture cutting-edge research in exploring the role of geodetic methods based on earth observation satellites for a better understanding of sea level variations and their implications for coastal regions.

The Special Issue covers a wide range of topics related to the observation of sea level change, including satellite altimetry, gravimetry, and geodetic imaging techniques. Special attention is given to the utilisation of high- precision measurements obtained from satellite missions such as Jason, Sentinel, and GRACE to characterise sea level variations at global, regional, and local scales. These missions provide valuable data that allow us to delve into several key aspects of satellite geodesy for the observation of sea level change, including the analysis of spatial and temporal patterns of sea-level rise, the exploration of causes, impacts, and future projections, the quantification and attribution of sea-level rise, the investigation of coastal subsidence and vertical land movement, the assessment of contributions from ice sheets and glaciers to sea-level change, the analysis of ocean dynamics and circulation patterns, and the development of innovative methodologies.

In addition, papers that address the integration of geodetic satellite data with other observational sources, such as tide gauges and GPS, to establish comprehensive sea-level monitoring systems are highly encouraged. This Special Issue also welcomes contributions that explore the challenges and advancements in data processing techniques, calibration and validation procedures, and the establishment of reliable reference frames to ensure accurate sea-level measurements.

Dr. Isabel Vigo
Dr. David García-García
Dr. José Antonio López Fernández
Prof. Dr. José M. Ferrándiz
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 100 words) can be sent to the Editorial Office for announcement on this website.

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-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Remote Sensing 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 2700 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

  • satellite geodesy
  • sea-level change
  • Earth observation satellites
  • geodetic techniques
  • spatial and temporal patterns
  • comprehensive sea-level monitoring systems

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Published Papers (3 papers)

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19 pages, 20697 KiB  
Article
Hydrological Cycle in the Arabian Sea Region from GRACE/GRACE-FO Missions and ERA5 Data
by Ahmed Kamel Boulahia, David García-García, Mario Trottini, Juan-Manuel Sayol and M. Isabel Vigo
Remote Sens. 2024, 16(19), 3577; https://doi.org/10.3390/rs16193577 - 25 Sep 2024
Viewed by 957
Abstract
The Arabian Gulf, a semi-enclosed basin in the Middle East, connects to the Indian Ocean through the Strait of Hormuz and is surrounded by seven arid countries. This study examines the water cycle of the Gulf and its surrounding areas using data from [...] Read more.
The Arabian Gulf, a semi-enclosed basin in the Middle East, connects to the Indian Ocean through the Strait of Hormuz and is surrounded by seven arid countries. This study examines the water cycle of the Gulf and its surrounding areas using data from the GRACE and GRACE Follow-On missions, along with ERA5 atmospheric reanalysis data, from 05/2002 to 05/2017 and from 07/2018 to 12/2023. Our findings reveal a persistent water deficit due to high evaporation rates, averaging 370 ± 3 km3/year, greatly surpassing precipitation, which accounts for only 15% of the evaporative loss. Continental runoff provides one-fifth of the needed water, while the remaining deficit, approximately 274 ± 10 km3/year, is balanced by net inflow of saltwater from the Indian Ocean. Seasonal variations show the lowest net inflow of 26 ± 49 km3/year in March and the highest of 586 ± 53 km3/year in November, driven by net evaporation, continental input, and changes in the Gulf’s water budget. This study highlights the complex hydrological dynamics influenced by climate patterns and provides a baseline for future research in the region, which will be needed to quantify the expected changes in the hydrological cycle due to climate change. Full article
(This article belongs to the Special Issue Applications of Satellite Geodesy for Sea-Level Change Observation)
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20 pages, 7080 KiB  
Article
Long-Term Sea Level Periodicities over the European Seas from Altimetry and Tide Gauge Data
by Ferdous Zid, Maria Isabel Vigo, Juan A. Vargas-Alemañy and David García-García
Remote Sens. 2024, 16(16), 2931; https://doi.org/10.3390/rs16162931 - 9 Aug 2024
Viewed by 759
Abstract
This study investigates the long-term temporal patterns of sea level changes by analyzing monthly tide gauge data from 1950 to 2022 (42 to 72 years) along the European coastline and monthly altimetry data from 1992 to 2024 in the surrounding European seas. The [...] Read more.
This study investigates the long-term temporal patterns of sea level changes by analyzing monthly tide gauge data from 1950 to 2022 (42 to 72 years) along the European coastline and monthly altimetry data from 1992 to 2024 in the surrounding European seas. The primary focus is on signals with periods longer than 5 years. The application of wavelet-based approaches and multiresolution analysis has enabled the isolation of signals with periods of approximately 8 and 16 years. However, the latter has only been observed in tide gauge data, as the altimetry time series is not sufficiently long. The same analysis was applied to the North Atlantic Oscillation (NAO) and Atlantic Multidecadal Oscillation (AMO) indices, which enabled the detection of the same signals. The reported multiyear signals of sea level are correlated with NAO and AMO indices, particularly during the period spanning from 1975 to 2010. Full article
(This article belongs to the Special Issue Applications of Satellite Geodesy for Sea-Level Change Observation)
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Other

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12 pages, 1832 KiB  
Technical Note
Effect of Argo Salinity Drift since 2016 on the Estimation of Regional Steric Sea Level Change Rates
by Lu Tang, Hao Zhou, Jin Li, Penghui Wang, Xiaoli Su and Zhicai Luo
Remote Sens. 2024, 16(11), 1855; https://doi.org/10.3390/rs16111855 - 23 May 2024
Viewed by 731
Abstract
Since 2016, the Argo (Array for Real-Time Geostrophic Oceanography) ocean salinity data has exhibited significant drift, directly affecting the accurate quantification of the global steric sea level (SSL) rates. To further investigate how salinity drift affects the estimation of SSL rates in different [...] Read more.
Since 2016, the Argo (Array for Real-Time Geostrophic Oceanography) ocean salinity data has exhibited significant drift, directly affecting the accurate quantification of the global steric sea level (SSL) rates. To further investigate how salinity drift affects the estimation of SSL rates in different depths and regions, we divide the 0–2000 m into three layers (0–300 m, 300–1000 m and 1000–2000 m) and select five open oceans (the South and North Pacific, the South and North Atlantic, and the Indian Ocean) for discussion. By comparing the SSL rates between the periods of 2005–2015 and 2005–2019, we can evaluate the impact of salinity drift. Taking the estimated results from the IPRC (provided by the International Pacific Research Center at the University of Hawaii) and BOA (provided by the Second Institute of Oceanography, China) data as examples, we find that the effect of salinity drift is the largest at the depth of 1000–2000 m, about 29% for IPRC data and about 18% for BOA data. Moreover, the South Atlantic is susceptible to the effects of salinity drift, with an approximately 13% impact for IPRC data and 21% for BOA data. Full article
(This article belongs to the Special Issue Applications of Satellite Geodesy for Sea-Level Change Observation)
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