Seabed mapping with remote sensing
Maja Berden Zrimec, Dean Mozetič, Sašo Poglajen
Harpha Sea: - Active in the field of surveying and geoinformatics for over 20 years - Development of bathymetric models - Underwater archaeology surveys - Terrestrial surveys - LIDAR - Aerial recording - GIS services (field surveys, GIS maintenance, spatial analysis, map making) - 3D modelling
LIDAR and spatial analysis
3D modelling
3D modelling
Models of buildings
3D modelling
Models of cities
LiDAR & sonar data combination Floodplain areas
Underwater surveys
- - Specialised in coastal water surveys with research boats, automatic research vessels and drones - - Top quality survey instruments (multibeam and sidescan echosounders, subbottom profilers, underwater cameras, etc.) - - System for data elaboration and visualisation in 2D or 3D virtual environments
Side-scan sonar (SSS)
SSS: StarFish 450f Frequency: 450 kHz “Ping rate: max 40/s Range: 100 m on each side
Sub-bottom profiler (SBP)
SBP: Innomar SES-2000 Compact Primary frequency.: 100 kHz Secondary freq.: 5, 6, 8, 10, 12, 15 kHz “Ping rate: max 15 Hz Range: 400 m depth Sediment penetration: 40 m
Multi-beam echo-sounder (MBES) Luka Koper- prvi bazen
MBES: Reson SeaBat 8125 Frequency: 455 kHz “Ping rate: max 40/s Range: 120 m Depth accurancy: 6 mm Width: 120° / 3,5 x depth Št. snopov: 240 MBES: ODOM R2Sonic 2022 Frequency: 200 - 400 kHz “Ping rate: max 60/s Range: 500 m Depth accurancy: 1,25 cm Width: 10° - 160° Št. snopov: 256 MBES data cloud & pear’s pilots
Underwater surveys - charts
Digital model of Slovene coast
Bathymetry & topography including a 3D image of the coastal area
Seagrass meadows - Side-scan sonar (SSS)
Seagrass meadows – MBES
Seagrass meadows – MBES
Seagrass meadows – camera
Seagrass meadows – camera
Monitoring of seagrass meadows distribution
Seabed classification Seabed types: Mud Mud with grass Send Rock, stones Boulders and stones
Habitat mapping
Habitat charting
Monitoring changes in seagrass meadows
kanalizacijske cevi v Piranskem zalivu
sled sidra pred Koprskim zalivom
Detection of objects
Detection of objects
Digital bathymetric model of the pier 6 x 93 m) from the multibeam data: 0,1 m accurancy
Detection of divers - MBES
Thank you for your attention
[email protected] www.harphasea.com
[email protected] www.harphasea.com
