Results 1 to 10 of about 22,913 (188)
Satellite-Derived Bathymetry for Selected Shallow Maltese Coastal Zones
Applied Sciences, 2023 Bathymetric information has become essential to help maintain and operate coastal zones. Traditional in situ bathymetry mapping using echo sounders is inefficient in shallow waters and operates at a high logistical cost.
Gareth Darmanin +4 more
doaj +3 more sources
Automated high-resolution satellite-derived coastal bathymetry mapping
International Journal of Applied Earth Observations and Geoinformation, 2022 Accurate and up-to-date maps of coastal bathymetry are fundamental for coastal resource management, commercial and military navigation, and aquaculture, among many applications.
Matthew J. McCarthy +3 more
doaj +2 more sources
A MACHINE LEARNING APPROACH TO MULTISPECTRAL SATELLITE DERIVED BATHYMETRY [PDF]
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020 Bathymetry in coastal environment plays a key role in understanding erosion dynamics and evolution along coasts. In the presented investigation depth along the shore-line was estimated using different multispectral satellite data. Training and validation
F. Tonion +5 more
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Satellite-Derived Bathymetry for Improving Canadian Hydrographic Service Charts [PDF]
ISPRS International Journal of Geo-Information, 2018 Approximately 1000 Canadian Hydrographic Service (CHS) charts cover Canada’s oceans and navigable waters. Many charts use information collected with techniques that predate the more advanced technologies available to Hydrographic Offices (HOs ...
René Chénier +2 more
doaj +2 more sources
Cubesats Allow High Spatiotemporal Estimates of Satellite-Derived Bathymetry [PDF]
Remote Sensing, 2019 High spatial and temporal resolution satellite remote sensing estimates are the silver bullet for monitoring of coastal marine areas globally. From 2000, when the first commercial satellite platforms appeared, offering high spatial resolution data, the ...
Dimitris Poursanidis +3 more
doaj +3 more sources
Evaluation of Depth Anything Models for Satellite-Derived Bathymetry [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information SciencesThe emergence of foundation models has driven major advancements in computer vision and natural language processing, primarily due to their strong zero-shot and few-shot capabilities powered by large-scale, diverse datasets. While earlier approaches used
E. Günaydın +3 more
doaj +4 more sources
METHODS FOR SATELLITE DERIVED BATHYMETRY FROM SENTINEL-2 IMAGES: A COMPARISON [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information SciencesIn recent decades, research has been developed to estimate near-shore bathymetry depth values using satellite imagery. Visible and infrared bands are used to derive elevation profile estimates, so to obtain bathymetric in rapid way without mobilisation ...
F. G. Figliomeni, C. Parente
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Satellite derived bathymetry using deep learning [PDF]
Machine Learning, 2021 Coastal development and urban planning are facing different issues including natural disasters and extreme storm events. The ability to track and forecast the evolution of the physical characteristics of coastal areas over time is an important factor in coastal development, risk mitigation and overall coastal zone management.
Al Najar, Mahmoud +5 more
openaire +2 more sources
A COMBINED COLOR AND WAVE-BASED APPROACH TO SATELLITE DERIVED BATHYMETRY USING DEEP LEARNING [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022 Knowledge of the evolution of the littoral zone over time is paramount for coastal science and coastal zone management. However, traditional bathymetric surveys using echo-sounding techniques are unsuitable for large-scale applications due to a variety ...
M. Al Najar +9 more
doaj +1 more source
Physics-Based Satellite-Derived Bathymetry (SDB) Using Landsat OLI Images
Remote SensingThe estimation of depth in optically shallow waters using satellite imagery can be efficient and cost-effective. Active sensors measure the distance traveled by an emitted laser pulse propagating through the water with high precision and accuracy if the ...
Minsu Kim +3 more
doaj +2 more sources