Satellite-derived bathymetry for guiding nautical navigation
shipping and navigation; Detect and monitor ice-risk at sea; ship routing; Sea-ice and icebergs; Ships
Profil
The client is a pilotage company that plans out voyages for vessels to be able to safely navigate in the Polar regions. They are highly dependent on accurate maps to provide the best possible service.
Wniosek
We were commissioned by the client to provide them with accurately mapped coastlines at both low and high tide, as well as identify submerged hazards, such as reefs, rocks and sand banks.
Doświadczenie klienta
DHI GRAS did a great job in helping us understand the value of the data and delivery was fast and on time.
Thomas Bøggild, Project Manager, Greenland Pilot Service
Korzyści
With the help of Satellite-Derived Bathymetry from DHI GRAS the client was able to make a proper navigational risk assessment enabling them to safely access the remote and poorly charted waters around Skjoldungen.
Mapping the requirements and the willingness to pay for data at different stages of land based wind farm planning. Establish co-creation cycles with end users from the wind energy industry. Develop a sustainable business case for the provisioning of EO data and derived products over land to the wind energy industry.
Coastal, Fisheries, Map water depth or charting, Oil and Gas, Maritime
A cost-effective method for accurate water depth mapping of the worlds shallow coastal areas based on high resolution satellite images. The method is globally applicable.
Agriculture, Infrastructure, Coastal, Floods, Forests, Inland Water, Land Ecosystems, Land use, Landslides, Sea-ice and icebergs, Snow & Ice, Topography, Urban Areas, Security, Assess Environmental impact of farming, Monitor crops, Assess Deforestation / Forest Degradation, Assess environmental impact of forestry, Assess and monitor water bodies , Monitor land ecosystems and biodiversity, Monitor land cover and detect change , Baseline mapping , Map line of sight visibility (land surface), Asset infrastructure monitoring, Monitor coastal ecosystem, Monitor the coast line, Map and assess flooding, Detect and monitor wildfires, Forecast and assess landslides, Monitor sensitive risk areas, Forecasting epidemics and diseases, land administration, land use studies, monitoring of settlements, urban atlas, urban development, smart cities, rural areas, building inventory, building footprint, spatial planning, land cover, Solar energy, Construction, Forestry, Real-estate management, Transportation
The complexity of modern urban environments has led to the introduction of 3D Land Information Systems (LISs), which tend to replace traditional 2D LIS architectures for the purposes of urban planning and regeneration, land administration, real estate management and civil development. Both the need for 3D visualization of the geometry of buildings in various time instances through the years and the need for acquisition of 3D models in various levels of detail (LoDs), which not only fulfill the requirements of the various users but also they speed up the visualization process, are obvious. Thus, additional dimensions, that is, for time and scale, need to be supported by a modern LIS. This service introduces a 5D modelling pipeline that may be adopted by a multi-purpose LIS for the selective creation of 3D models of an urban area in various time instances and at various LoDs, enriched with cadastral and other spatial data. The methodology is based on automatic change detection algorithms for spatial-temporal analysis of the spatial changes that took place in subsequent time periods, using image orientation, dense image matching and structure from motion algorithms, the procedure requires photogrammetric stereo plotting, implements procedural modelling and relies on the availability of overlapping aerial and terrestrial imagery, ground control points and cadastral information.
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