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  • Article
  • Open Access

3 November 2026

Geographic Information Systems (GIS) increasingly inform high-stakes decisions in public health, environmental management, infrastructure planning, and regulatory governance; yet GIS practice lacks enforceable professional standards equivalent to tho...

  • Article
  • Open Access
2 Views
19 Pages

2 November 2026

Accurate building footprint datasets are critical for urban planning, disaster management, and infrastructure development. Conventional methods for generating these datasets are labour-intensive, costly, and susceptible to human error. While AI-drive...

  • Article
  • Open Access
1 Views
26 Pages

2 November 2026

Tianmu-1 (TM-1) provides global navigation satellite system (GNSS) radio occultation (RO) observations from four navigation systems. To support assimilation over humid South China, TM-1 refractivity was evaluated over South China and surrounding regi...

(This article belongs to the Special Issue GNSS Observations in Meteorology)
  • Article
  • Open Access
1 Views
29 Pages

A Two-Axis Validation Framework for Open Building Footprints: Position, Provenance, and Height Reliability for National 3D Cadastre Development

  • Andri Hernandi,
  • Lanjar Cahyo Pambudi,
  • Agung Murdhianto,
  • Muslih Fauzi and ,
  • Yuliantoro,
  • Manase Daniel Binsar,
  • Alfita Puspa Handayani,
  • Irwan Gumilar,
  • Rizqi Abdulharis and
  • Deni Suwardhi
  • + 5 authors+ 0 author

2 November 2026

Level of Detail 1 (LOD1) building models underpin national 3D cadastre development, yet OpenStreetMap (OSM) and Global Building Atlas (GBA) have rarely been validated against authoritative cadastral data using designs that separate positional, geomet...

  • Article
  • Open Access
40 Views
30 Pages

2 November 2026

Forest cover in Vietnam has changed profoundly since 1990 under agricultural expansion, urbanization and plantation programs. This study used the 31 annual JAXA High-Resolution Land-Use and Land-Cover maps of Vietnam (v21.09, 1990–2020) to quan...

(This article belongs to the Special Issue Women in Geomatics in 2026)
  • Article
  • Open Access
68 Views
31 Pages

From Flight Planning to Field Reality: UAV LiDAR Point Density Requirements for Scale-Consistent 3D Geovisualizations

  • Ermioni Eirini Papadopoulou,
  • Dimitrios Kavroudakis and
  • Apostolos Papakonstantinou

1 November 2026

This study examines the link between drone airborne LiDAR point cloud density and cartographic scale, addressing the question of what density is required for scale-consistent 3D geovisualizations. Additionally, it seeks to address the discrepancy bet...

  • Article
  • Open Access
70 Views
41 Pages

1 November 2026

This study presents a regional-scale, process-oriented assessment of active landslide-related deformation in TiziOuzou, northernAlgeria, over approximately 2429 km2, using dual-geometry Sentinel-1 SBAS-InSAR time-series analysis. Ascending and descen...

  • Article
  • Open Access
34 Views
29 Pages

1 November 2026

This study evaluates GeoClock under a raw-hour-disjoint protocol designed to avoid reuse of nominal observation epochs across source training and validation. The model maps variable-cardinality GNSS observations to 80 physical statistical features an...

  • Article
  • Open Access
35 Views
20 Pages

Integrating Geospatial Intelligence and Public Procurement Data for Fiscal Oversight: Design, Implementation, and Evaluation of a Geoportal for Public Infrastructure Monitoring

  • Andrés Felipe Cifuentes,
  • Carlos Andrés Rodado,
  • Eduardo José Tous,
  • Álvaro José Giraldo and ,
  • Rosse M. Villamil-Cañas,
  • Jaime A. Restrepo-Carmona,
  • Diana Yate and
  • Luis Fletscher
  • + 3 authors+ 0 author

1 November 2026

The increasing availability of public-sector data creates opportunities for spatially enabled fiscal oversight, but procurement, project-monitoring, financial, and geographic information are commonly maintained in heterogeneous institutional systems....

(This article belongs to the Special Issue Advances and Innovations in Geomatics: Celebrating a New Chapter—First Impact Factor and CiteScore Received)
  • Review
  • Open Access
84 Views
49 Pages

1 November 2026

Mobile-mapping systems (MMSs) are moving from sensor-centric survey platforms toward intelligence-driven components of the remote sensing ecosystem. This critical narrative review analyzes rather than catalogs that shift, organizing it around four st...

  • Article
  • Open Access
62 Views
25 Pages

GNSS Precipitable Water Vapor Assimilation for Improving Numerical Weather Prediction of Meteorological Parameters in Small Watersheds

  • Jingyu Zhang,
  • Yongjie Ma,
  • Qingzhi Zhao,
  • Zufeng Li and ,
  • Long Cheng,
  • Pan Wang,
  • Xiaohua Fu,
  • Siyuan Chen,
  • Pengfei Yang and
  • Qingfang Chen
  • + 5 authors+ 0 author

1 November 2026

Accurate short-term forecasts of meteorological parameters remain challenging in mountainous small watersheds because sparse observations and global background fields do not adequately capture rapid local water vapor variations. Previous studies indi...

(This article belongs to the Topic Theory and Methods for High-Trust and High-Security PNT Information)
  • Article
  • Open Access
106 Views
29 Pages

Estimation of the NAVD88 Bias Relative to the IHRF in Mexico Using Optimized Spatial Filtering

  • Ana Isela Vidal-Vega,
  • Manuel E. Trejo-Soto,
  • Rosendo Romero-Andrade,
  • Karan Nayak and ,
  • Manuel Trejo-Echeagaray and
  • Roberto Colonna
  • + 1 author+ 0 author

1 November 2026

The estimation of the vertical datum potential in Mexico (Ŵ0NAVD88) and its geopotential bias (δŴ0) relative to the International Height Reference Frame (IHRF) is essential for integrating national vertical systems into a global refer...

(This article belongs to the Topic Navigation and Positioning System: Opportunities and Obstacles)
  • Article
  • Open Access
163 Views
26 Pages

Spatiotemporal Dynamics and Future Projections of the 400 mm Isohyet in China Based on Self-Organizing Maps

  • Kun Liu,
  • Shuxiu Hou,
  • Pinghao Li,
  • Leying Zhang and ,
  • Yajun Qiao,
  • Wanggu Xu and
  • Zhi Wang
  • + 2 authors+ 0 author

24 October 2026

The 400 mm isohyet is an important geographical boundary in China. Owing to climate change, the spatial position of this precipitation line is shifting, which has significant impacts on agricultural production, population distribution, and ecosystems...

  • Systematic Review
  • Open Access
206 Views
45 Pages

19 October 2026

Relevance. Tailing storage facilities (TSFs) are among the most accident-prone hydraulic structures in the mining industry, with a reported average failure-rate estimate of approximately 1.2%, while independent cumulative estimates range from 1.2% to...

  • Article
  • Open Access
210 Views
36 Pages

16 October 2026

Autonomous Vehicle (AV) Digital Twins require persistent geospatial infrastructures that connect semantic, spatial, temporal, environmental, road-reference, and 3D urban information across simulation and visualization. This study proposes a database-...

(This article belongs to the Topic The Geography of Digital Twin: Concepts, Architectures, Modeling, AI and Applications)
  • Article
  • Open Access
547 Views
24 Pages

SBAS InSAR, UAV, and Numerical Modeling of Slope Instability in Tbilisi, Georgia

  • Lasha Sukhishvili,
  • Salome Gogoladze,
  • Giorgi Merebashvili,
  • Givi Gventsadze and
  • Linda Nakashidze

14 October 2026

The Vere River basin in Tbilisi, Georgia, experienced a major cascading landslide–flood disaster in June 2015, emphasizing the need to evaluate the present stability of slopes adjacent to the former source area. This study combines small-baseli...

  • Article
  • Open Access
230 Views
28 Pages

Environmental Stress and Relative Hydrological Connectivity Across the Mai Po–Inner Deep Bay Wetland System Using Multi-Source Remote Sensing

  • Francis Quayson,
  • Xiaoli Ding,
  • Mahmoud Abdallah,
  • Ishmael Yaw Dadson and ,
  • Kofi Adu-Boahen,
  • Yaw Asamoah and
  • George Owusu Amoah
  • + 2 authors+ 0 author

10 October 2026

Coastal wetlands at urban margins experience interacting thermal, land-surface and hydrological pressures, yet composite remote-sensing assessments require transparent weighting, uncertainty analysis and careful interpretation. This study assessed la...

  • Article
  • Open Access
239 Views
24 Pages

Mobile Mapping Systems for Road Tunnel Inspection: Influence of Acquisition Speed and Control Point Configuration on Geometric Reliability

  • Matteo Cappuccio,
  • Naser El-Sheimy,
  • Maria Alessandra Tini,
  • Luca Vittuari and
  • Stefano Gandolfi

10 October 2026

Mobile Mapping Systems (MMSs) are increasingly adopted for transport infrastructure inspection, where reliable characterization of global and local geometry is essential. This is critical in GNSS-denied environments such as road tunnels, where trajec...

  • Article
  • Open Access
268 Views
20 Pages

VarieD: A Multi-City Aerial Trajectory Dataset of Road-User Interactions in School-Centered Urban Environments

  • Muhammad Waqas Ahmed,
  • Muhammad Adnan,
  • Davy Janssens,
  • Geert Wets and
  • Wim Ectors

9 October 2026

High-quality road-user trajectory data are essential for traffic modeling, road-safety assessment, and the analysis of interactions involving vulnerable road users (VRUs). Existing UAV-based trajectory datasets are often limited in geographic scope,...

  • Article
  • Open Access
301 Views
21 Pages

Tree Species Classification in a Madagascar Tropical Dry Forest Using Multi-Temporal UAV Multispectral Imagery and Machine Learning

  • Pierrot Ramanamandimby,
  • Tracy Montgomery,
  • Kate Tiedeman,
  • Chase Núñez and ,
  • Andreas Schuerkmann,
  • Zea Walton,
  • Damien Caillaud,
  • Meredith C. Lutz,
  • M. Teague O’Mara and
  • Anne C. Axel
  • + 11 authors+ 6 authors

9 October 2026

Accurate tree species mapping in tropical dry forests remains challenging because strong seasonal phenological variation and spectral overlap can limit discrimination from single-date imagery. This study evaluated the integration of wet- and dry-seas...

  • Article
  • Open Access
189 Views
27 Pages

8 October 2026

Gross errors in Global Navigation Satellite System (GNSS) coordinate time series can bias velocity and deformation estimates. Conventional three-sigma screening is prone to masking because contaminated observations inflate the residual scale. This st...

  • Article
  • Open Access
334 Views
30 Pages

Subpixel Detection of Lithium-Rich Pegmatites via Integrated Hyperspectral Unmixing and Multispectral Machine Learning

  • Douglas Santos,
  • Nuno Eusébio,
  • Filipa Dias,
  • Beatriz Araújo and ,
  • António Azzalini,
  • Ricardo Ribeiro,
  • Ana Cláudia Teodoro,
  • Nelson Pires and
  • Alexandre Lima
  • + 4 authors+ 0 author

7 October 2026

Lithium(Li)-rich pegmatites are an important source of Li for the energy transition, but their detection using remote sensing data/techniques remains challenging due to subpixel occurrence. This study presents an integrated prospectivity mapping fram...

  • Article
  • Open Access
313 Views
33 Pages

A Hybrid ConvNeXt, Dual-Transformer, and U-Net Architecture for Direct Satellite-Based Precipitation Estimation from MSG/SEVIRI

  • Mounir Sehad,
  • Yacine Mohia,
  • Mourad Lazri,
  • Fethi Ouallouche and ,
  • Karim Labadi,
  • Rafik Absi and
  • Samir Hamaci
  • + 2 authors+ 0 author

4 October 2026

Accurate quantification of precipitation is critical for anticipating extreme cli mate events such as droughts and flash floods, yet ground rain gauges and weather radars in Northern Algeria suffer from limited spatial coverage and high maintenance c...

  • Article
  • Open Access
262 Views
24 Pages

Collapsed Building Detection from Multi-Temporal Pléiades Imagery: Comparing CNN Architectures and Input Data Strategies

  • Tomáš Bouček,
  • Ondřej Pešek,
  • Karel Pavelka,
  • Eva Matoušková and ,
  • Marzhan Yessenbekovna Rakhymberdina,
  • Zhanna Aleksandrovna Assylkhanova and
  • Karel Pavelka
  • + 2 authors+ 0 author

3 October 2026

A rapid and spatially explicit assessment of structural damage is essential following major disasters, particularly where access to the field is limited and reliable information on damage is scarce. This study evaluates how semantic segmentation arch...

  • Article
  • Open Access
353 Views
27 Pages

Hybrid Deep Learning for Individual Tree Crown Delineation and Species Classification Using UAV Imagery and Airborne LiDAR

  • Nyo Me Htun,
  • Toshiaki Owari,
  • Satoshi N. Suzuki,
  • Kenji Fukushi and ,
  • Yuuta Ishizaki,
  • Tetsuyuki Kobayashi,
  • Akio Oshima,
  • Satoshi Kita,
  • Ryota Konda and
  • Manato Fushimi
  • + 5 authors+ 0 author

1 October 2026

This study developed a hybrid deep learning framework for individual-tree crown delineation and species classification in broadleaf-dominated mixed forests using unmanned aerial vehicle (UAV)-derived multisource imagery and airborne Light Detection a...

  • Article
  • Open Access
248 Views
17 Pages

1 October 2026

As part of the Global Navigation Satellite System (GNSS), Galileo uses the NeQuick-G algorithm to provide ionospheric correction to single-frequency users. Within the framework of a research project, an improved Galileo single-frequency ionospheric c...

  • Article
  • Open Access
505 Views
33 Pages

A Comparison of Machine Learning and Deep Learning Architectures with Explainable AI for Mapping Land Cover Using Sentinel-2 Satellite Data

  • Muhammad Salman Younas,
  • Muhammad Usman,
  • Muhammad Ali,
  • Roman Shults and ,
  • Muhammad Hashir,
  • Muhammad Bilal,
  • Zubair Nawaz and
  • Md Masudur Rahman
  • + 3 authors+ 0 author

1 October 2026

Rapid and unplanned urbanization in South Asian cities such as Lahore, Pakistan has produced fragmented urban-agricultural landscapes in which spectral signatures of various land cover and land use (LCLU) classes overlap, degrading the performance of...

  • Article
  • Open Access
304 Views
48 Pages

1 October 2026

Sea-level rise is a key indicator of climate change, increasing the vulnerability of the Mediterranean’s densely populated, socio-economically important coastlines. This study investigates Mediterranean sea-level variability and its physical co...

  • Article
  • Open Access
365 Views
29 Pages

A TLS-Based Scan-to-HBIM Workflow for Domestic Heritage: The Case of La Casa de la Alquimia, Córdoba (Spain)

  • Hani Amine Benantar,
  • José E. Meroño de Larriva and
  • Paula Triviño-Tarradas

1 October 2026

Terrestrial laser scanning (TLS) has become an important tool for the digital documentation of historic buildings, particularly where irregular geometries and restricted spaces limit conventional survey methods. This study develops and applies a TLS-...

(This article belongs to the Special Issue Innovative Remote Sensing Approaches: 3D Reconstruction, UAV Photogrammetry, and BIM in Cultural Heritage and Infrastructure)
  • Article
  • Open Access
1 Citations
339 Views
22 Pages

Reconstruction of Waste Rock Dump Deformation Stages Based on Multi-Temporal UAV Photogrammetry, Terrestrial Laser Scanning, and Mine Surveying

  • Dmitriy S. Ozhigin,
  • Viktoria V. Kazantseva,
  • Vera F. Yartseva,
  • Ulpan A. Kubaidullina and
  • Ruslan K. Baigali

30 September 2026

This study investigates the development of deformation in the southern waste rock dump of the Western Open Pit of the Zhairem Mining and Concentrating Complex through the integrated analysis of multi-temporal geospatial data. The study addresses the...

(This article belongs to the Topic Advanced GNSS and InSAR Technologies for Geoscience Applications)
  • Article
  • Open Access
230 Views
18 Pages

GLONASS RTK Positioning Enhanced by Combining GPS/BDS Signals

  • Mingxian Hu,
  • Junyao Ke,
  • Haojie Zhang,
  • Yue Zuo and ,
  • Chaoqian Xu,
  • Yifei Yang and
  • Yibin Yao
  • + 2 authors+ 0 author

29 September 2026

Due to inter-frequency phase bias (IFB), GLONASS is ignored when discussing real-time kinematic (RTK) positioning. Although this problem has been effectively solved, defects still exist when the number of tracked satellites is small or when single-fr...

(This article belongs to the Special Issue GNSS Observations in Meteorology)
  • Article
  • Open Access
439 Views
28 Pages

29 September 2026

Lowland temperate native grasslands are recognised as one of the most threatened vegetation communities in Australia, and even small remnant populations can hold high ecological value. One such site is Township Lagoon Nature Reserve in the Tasmanian...

(This article belongs to the Special Issue Women in Geomatics in 2026)
  • Article
  • Open Access
507 Views
18 Pages

27 September 2026

Global Navigation Satellite Systems (GNSSs) have become indispensable in establishing geodetic networks, owing to their capability to deliver high-accuracy positioning. However, the accuracy and reliability of GNSS networks can be compromised by meas...

  • Article
  • Open Access
292 Views
22 Pages

21 September 2026

To address the issue of long ambiguity resolution (AR) time for existing medium-to-long baseline reference stations, this paper proposes a rapid ambiguity fixing method with empirical ionospheric constraints. The method directly treats the L1 and wid...

(This article belongs to the Topic Theory and Methods for High-Trust and High-Security PNT Information)
  • Article
  • Open Access
1 Citations
710 Views
21 Pages

Application of UAV-LiDAR Data for Assessing Forest Canopy Height Variations Across Forest Types and Topography

  • Kyaw Win,
  • Nobuaki Tanaka,
  • Shinya Tanaka,
  • Naoyuki Furuya and ,
  • Takuya Hiroshima and
  • Eiji Kodani
  • + 1 author+ 0 author

16 September 2026

Understanding forest canopy height (H) variations across different forest types and topographic conditions is essential for sustainable forest management; however, quantitative information on how H varies among forest types and responds to topographi...

  • Article
  • Open Access
671 Views
30 Pages

6 September 2026

The utilisation of computer vision in urban studies has become common practice due to its capacity to diminish the financial burden associated with field surveys. Monocular Depth Estimation (MDE) is a recent branch of computer vision that has been sh...

  • Article
  • Open Access
519 Views
25 Pages

2 September 2026

Coastal waters are vulnerable ecosystems that are increasingly affected by sediment and nutrient inputs, as well as pollution resulting from both natural processes and anthropogenic pressures. Monitoring the pattern of chlorophyll-a and turbidity is...

  • Article
  • Open Access
525 Views
44 Pages

1 September 2026

Planning future electric vehicle charging infrastructure requires assessment of spatial suitability, demand, network gaps, and expected accessibility benefits. This study developed a national-scale framework for Bosnia and Herzegovina integrating mac...

  • Article
  • Open Access
308 Views
27 Pages

1 September 2026

Ground deformations induced by underground mining significantly affect the geometric condition and serviceability of buildings located in mining areas. Conventional assessments are commonly based on ground deformation indicators, which do not necessa...

  • Article
  • Open Access
624 Views
21 Pages

Long-Term Geospatial Monitoring of Quarry Expansion Using Landsat Time Series and LandTrendr: A Case Study of Dargov Hill, Slovakia

  • Zofia Kuzevicova,
  • Stefan Kuzevic,
  • Diana Bobikova,
  • Michal Roman and
  • Miroslava Stolična Vancova

1 September 2026

Surface mining significantly alters land cover and vegetation, making long-term monitoring essential for assessing its environmental impacts. The objective of this study was to analyze the long-term development of the active Dargov quarry (Slovakia)...

(This article belongs to the Topic Geographic Information and Remote Sensing Technology (GIRST))
  • Article
  • Open Access
1,068 Views
30 Pages

1 September 2026

Super-resolution (SR) of remote-sensing imagery is commonly assessed through spatial fidelity or visual sharpness, although index-based geomatics requires preservation of cross-band spectral relationships. We compare five Sentinel-2 full-band SR conf...

(This article belongs to the Special Issue Advances and Innovations in Geomatics: Celebrating a New Chapter—First Impact Factor and CiteScore Received)
  • Article
  • Open Access
452 Views
19 Pages

Tracking Forest Change in Peri-Urban Landscapes of Mexico City Using Landsat Imagery and Neural Network Regression

  • Martin Enrique Romero-Sanchez,
  • Gustavo Manuel Cruz-Bello,
  • Fernando Carrillo-Anzures and
  • Miguel Acosta-Mireles

1 September 2026

Peri-urban forest ecosystems play a crucial role in sustaining biodiversity, regulating climate, and providing essential ecosystem services; however, they are increasingly threatened by rapid urban expansion. Despite advances in remote sensing-based...

  • Article
  • Open Access
342 Views
16 Pages

In this study, we used the DeepESDL framework to exploit multivariate data cubes for the identification and characterization of frontal zones in the Alboran Sea throughout the year 2023. By operating directly within a unified data hypercube architect...

  • Article
  • Open Access
578 Views
22 Pages

GNSS Metadata Integrity in Consumer Smartphones During Commercial Flights: GPS Spoofing Artifacts, JPEG Tampering Detection, and Implications for UAV Precision Agriculture

  • Emil-Cătălin Șchiopu,
  • Oliviu-Mihnea Gămulescu,
  • Florin Grofu,
  • Roxana-Gabriela Popa and ,
  • Irina-Ramona Pecingină and
  • Adrian Runceanu
  • + 1 author+ 0 author

Smartphone GNSS metadata remains an underexplored source for evaluating navigation-signal integrity in real-world conditions. We investigated GPS behavior recorded by a Samsung Galaxy A72 smartphone across two European flights (EXP03: Rome–Buch...

  • Article
  • Open Access
536 Views
23 Pages

Shoreline determination is fundamental to coastal research, spatial planning, and legal boundary delineation but remains challenging in low-relief coastal areas where small sea-level variations can produce substantial horizontal shoreline displacemen...

  • Article
  • Open Access
582 Views
37 Pages

AB-SAM: A SAM-Based Asymmetric Boundary-Aware Model for the Semantic Segmentation of Small and Medium-Sized Landslides

  • Jiting Tang,
  • Zhiwei Liang,
  • Suli Guo,
  • Bin Tong and ,
  • Jun’an Chen,
  • Guoliang Sun,
  • Jiaxing Liu,
  • Can Wang,
  • Dong Li and
  • Xin Zhou
  • + 5 authors+ 0 author

Small- and medium-sized landslides frequently occur in clusters and exhibit fragmented morphologies, irregular boundaries, and spectral characteristics similar to surrounding roads, bare soil, and sparsely vegetated surfaces, making their automated e...

  • Article
  • Open Access
518 Views
22 Pages

Accurate identification of the spatial distribution of agricultural greenhouses is essential for regional agricultural management in Japan. However, an efficient method for systematically mapping greenhouse locations onto existing farmland maps has n...

  • Article
  • Open Access
611 Views
22 Pages

3D-Printed, Remote-Controlled Soil Sample Collector for UAS

  • Natascha Christina Pichler,
  • Muckenhuber Stefan,
  • Friehmelt Holger,
  • Wagner Bastian and ,
  • Läßer Andreas,
  • Okorn Robert,
  • Wallner Stefan,
  • Gölles Thomas,
  • Wasserfaller Hannah and
  • Breitwieser Stefan
  • + 11 authors+ 6 authors

Remote-controlled UAS-based soil sampling offers great potential for scientific research and practical applications in various fields, including agriculture, environmental monitoring, hazardous waste, radiation measurements, chemical plants, snow sam...

  • Article
  • Open Access
670 Views
23 Pages

Remote sensing is widely recognized as a key technology across a wide range of technical and scientific domains, especially in agriculture. Although satellite data have long supported crop monitoring, their limitations in spatial resolution, revisit...

  • Review
  • Open Access
2 Citations
890 Views
24 Pages

Cultural heritage sites are affected by environmental and anthropogenic pressures that require decision-analysis methods capable of combining heterogeneous datasets while accounting for uncertainty. Multi-Criteria Decision Analysis (MCDA), particular...

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Geomatics - ISSN 2673-7418