Asian Surveying & Mapping
Breaking News
Australian Space Agency funds development of aerospace-grade GNSS receiver
The Australian Space Agency has funded the development of...
Continuity risks for Australian EO data access
A new report details the widespread use of Earth...
China launches new remote sensing satellite
JIUQUAN, April 15 (Xinhua) -- China on Monday launched...
7.4-Magnitude Earthquake Strikes Taiwan
A major, 7.4-magnitude earthquake struck the eastern coast of...
Tata Deploys Its Geospatial Satellite In Space on Space X’s Falcon 9 Rocket
THIRUVANANTHAPURAM: Tata Company launched India's first private commercial satellite...
Taiwan’s Formosat-8 Satellite Set for Launch by 2025
The Taiwan Space Agency has announced progress on the...
Iranian Scientists to Build Satellite Constellation for 2 Simultaneous Missions
The scientists at the knowledge-based company had previously succeeded...
China provides geospatial intel and other military support to Russia, US says
The US has warned its European allies that China...
Japanese lunar lander company ispace raises $53.5 million in stock sale
WASHINGTON — Japanese lunar lander developer has raised $53.5...
Esri and Prince Sultan University Advance GIS Education Through Strategic Partnership
Memorandum of Understanding with Institution Enhances GIS Curriculum and...
  • Jan 30, 2023
  • Comments Off on Synchronized LiDAR and Bathymetric Surveying Methods to Study a Floating Solar Farm in Israel
  • Feature
  • 668 Views

The synchronization was performed upon a request from the Israeli drone service provider ERELIS to conduct a pilot project of reservoir surveying with a UAV for ETZ HADEKEL Ltd. in Northern Israel. The surface of the reservoir is covered by solar panels, which made it difficult to carry out work using standard methods of surveying from a boat. 

ERELIS performed two-stage drone surveying to deliver a high-precision 3D model of the reservoir. First, aerial photogrammetry and LiDAR surveys were performed using a DJI M300 drone equipped with a TOPODRONE camera P61 and a LiDAR HI-RES system to determine the location of possible obstacles. LiDAR scanning provided accurate detection of cables in the water.

Second, an underwater bathymetric survey using a TOPODRONE AQUAMAPPER mounted to the same drone was conducted avoiding detected obstacles (cables, solar panels and other objects). The flight mission was planned and executed with the UgCS software by SPH Engineering.

The collected LiDAR & bathymetry data was processed by TOPODRONE Post Processing software. As a result, a georeferenced orthophoto map, a 3D model of the relief and objects, a 3D model of the bottom of the reservoir, contour lines and isobaths were generated. Such 3D models can be used for high-precision assessment of sediment volumes, general monitoring of reservoir banks and visual monitoring. In addition, surveying with a TOPODRONE AQUAMAPPER made it possible to estimate sludge deposits of the reservoir. 

Image Credit: TOPODRONE