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Remote Sensing Methods and Technical Developments in Geohazard Early Warning

A special issue of Remote Sensing (ISSN 2072-4292). This special issue belongs to the section "Earth Observation for Emergency Management".

Deadline for manuscript submissions: 30 September 2025 | Viewed by 457

Special Issue Editors

National Institute of Natural Hazards, Ministry of Emergency Management of China, Beijing 100085, China
Interests: landslide detection and monitoring; earthquake; deep learning; remote sensing applications
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Guest Editor
School of Earth Sciences and Resources, China University of Geosciences, Beijing 100083, China
Interests: artificial intelligence in geoscience; micro-image machine learning; genesis of critical metal deposits
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Guest Editor
Department of Environment and Society, Quinbey College of Natural Resources, Utah State University, Logan, UT 84322, USA
Interests: disaster remote sensing; GeoAI; disaster vulnerability and equity

Special Issue Information

Dear Colleagues,

Geohazards cause various forms of casualties and economic losses worldwide every year, posing a serious threat to the sustainable development of human society. Geohazard early warning plays a crucial role in understanding and mitigating the impacts of geological hazards on human society and infrastructure. Over the past decades, the widespread application of remote sensing technology in fields such as geology, geomorphology, and disaster science has provided robust technical support for geohazard monitoring and early warning. Integrating advanced remote sensing technology into geohazard early warning systems can enhance the accuracy and timeliness of disaster risk assessment and provide a scientific basis for effectively reducing disaster risks and strengthening community safety.

This Special Issue aims to explore new methods and technologies in the field of remote sensing, including but not limited to synthetic aperture radar (SAR), LiDAR, optical satellite remote sensing, unmanned aerial vehicle (UAV), and global navigation satellite systems (GNSS), to enhance early warning capabilities for geohazards. We encourage the use of multi-source technical methods and observational data. Submissions are also encouraged to explore the application of remote sensing in conjunction with state-of-the-art techniques in other fields, such as artificial intelligence big data, to improve the efficiency of data processing and analysis. Review papers will also be considered.

The topics for this Special Issue include, but are not limited to, the following:

  • Emerging remote sensing technologies, such as hyperspectral imaging, InSAR, and LiDAR, and their potential applications in geohazard early warning;
  • Development of advanced remote sensing algorithms to improve the accuracy and reliability of geohazard early warning;
  • Integration and fusion of multi-source remote sensing data (e.g., SAR, optical, GNSS, and multispectral) to improve the accuracy and timeliness of geohazard early warning;
  • Integration of remote sensing with other geospatial technologies, such as GIS, to designgeohazard early warning systems/platforms;
  • Integration of remote sensing with artificial intelligence technologies to improve the efficiency of data processing and analysis.

Dr. Yaning Yi
Prof. Dr. Kunfeng Qiu
Dr. Zhijie Zhang
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

  • remote sensing
  • satellite data
  • natural hazards
  • early warning
  • disaster risk reduction
  • SAR/InSAR
  • UAV
  • LiDAR
  • GNSS

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Published Papers (1 paper)

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Research

21 pages, 14054 KiB  
Article
A Novel Approach to Generate Large-Scale InSAR-Derived Velocity Fields: Enhanced Mosaicking of Overlapping InSAR Data
by Xupeng Liu, Guangyu Xu, Yaning Yi, Tengxu Zhang and Yuanping Xia
Remote Sens. 2025, 17(11), 1804; https://doi.org/10.3390/rs17111804 - 22 May 2025
Viewed by 317
Abstract
Large-scale deformation fields are crucial for monitoring seismic activity, landslides, and other geological hazards. Traditionally, the acquisition of large-area, three-dimensional deformation fields has relied on GNSS data; however, the inherent sparsity of these data poses significant limitations. The emergence of Interferometric Synthetic Aperture [...] Read more.
Large-scale deformation fields are crucial for monitoring seismic activity, landslides, and other geological hazards. Traditionally, the acquisition of large-area, three-dimensional deformation fields has relied on GNSS data; however, the inherent sparsity of these data poses significant limitations. The emergence of Interferometric Synthetic Aperture Radar (InSAR) data offers an alternative, enabling the retrieval of large-area, high-resolution deformation velocity fields. Nonetheless, the processing of InSAR data is often complex, time-consuming, and requires substantial storage capacity. To address these challenges, various research institutions have developed online InSAR processing platforms. For instance, the LiCSAR processing platform provides interferometric images covering approximately 250 km × 250 km, facilitating scientific applications of InSAR data. However, the transition from individual interferograms to large-scale, three-dimensional deformation fields often requires additional processing steps, including ramp correction within the images, mosaicking between adjacent images, and the joint inversion of InSAR observations from different viewing angles. In this paper, we propose a novel method for splicing several individual InSAR velocity fields into continent-scale InSAR velocity maps, which takes along-track and cross-track mosaicking into consideration. This method integrates GNSS data with InSAR data and also considers the additional constraint of data overlap region. The efficacy of this methodology is substantiated through its implementation in InSAR observations of the eastern Tibetan Plateau. In some tracks, there are overlapping areas on the east and west sides, and the line-of-sight (LOS) value can be effectively corrected by using these overlapping areas with similar size for two cross-track mosaics. The root mean square error (RMSE) of these tracks was reduced by about 4% to 8% on average when verified using true values of GNSS data compared to no cross-track mosaic. In addition, a significant improvement of 30% in RMSE reduction was achieved for some tracks. Full article
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