Published: Olalekan Odunaike | Author: Omar Ahmed | Source: LinkedIn Tags: #average_end_area, #computation, #cross_section, #dredging, #grid_based, #hydrographic, #hydrospatial, #survey, #tin_to_tin, #volume Technical Explanation Technical Explanation: Dredging Volume Computation in Hydrographic and Geodetic Practice What the Image Communicates The image illustrates a typical post-dredge hydrographic survey scenario: a survey vessel collects bathymetric data over a dredged […]
Author: Olalekan Odunaike
Back Scattering (SSS vs MBES)
Published: Olalekan Odunaike | Author: Omar Ahmed | Source: LinkedIn Tags: #back_scattering, #beams, #hydrographic, #hydrospatial, #mbes, #sss, #survey, #swath, #towfish Technical Explanation What the Image Shows: “Back Scattering (SSS vs MBES)” The image is an infographic comparing acoustic backscatter as measured by Side-Scan Sonar (SSS) versus Multibeam Echo Sounder (MBES), framed around a “physical difference […]
LAT, Chart Datum, Tide, and Depth
Published: Olalekan Odunaike | Author: Omar Ahmed | Source: LinkedIn Tags: #chart_datum, #depth, #hydrographic, #hydrospatial, #lat, #survey, #tide Technical Explanation Technical Explanation: What the Image Shows (LAT, Chart Datum, Tide, and Depth) The image is a simplified hydrographic concept diagram showing the relationship between Lowest Astronomical Tide (LAT), Chart Datum (CD), tidal height, and two […]
HDOP, VDOP, and GPS Carrier Phase Angle in Hydrography and Geodesy
Published: Olalekan Odunaike | Author: Omar Ahmed | Source: LinkedIn Tags: #gps, #hdop, #hydrographic, #hydrospatial, #phase_angle, #survey, #vdop Technical Explanation Technical Explanation: HDOP, VDOP, and GPS Carrier Phase Angle in Hydrography and Geodesy What the Illustration Shows The image combines two foundational GNSS concepts used daily in hydrographic and geodetic surveying: Dilution of Precision […]
Calculating Swath Depth and Line Spacing for MBES Projects
Published: Olalekan Odunaike | Author: Omar Ahmed | Source: LinkedIn Tags: #hydrographic, #hydrospatial, #mbes, #project, #survey, #swath Technical Explanation What the Image Shows (and Why It Matters) The image is a simplified conceptual diagram of Multibeam Echo Sounder (MBES) coverage. A survey vessel carries an MBES transducer that emits a fan of acoustic beams across-track, […]
Patch Test
Discover the vital role of Patch Testing in Multi-Beam Echosounders (MBES) and its impact on hydrographic surveys. This overview explores calibrating attitude sensors for accurate roll, pitch, and yaw measurements. Learn about key instrumentation, data processing workflows, and real-world applications that improve maritime navigation and resource exploration. Focused on quality assurance and minimizing uncertainty, this guide enhances your hydrographic practices. Unlock the potential of precise underwater mapping and surveying techniques!
What is Geodesy and why is it important?
Geodesy is a fascinating branch of Earth science that delves into the Earth’s shape, orientation, and gravitational field. Its significance is particularly pronounced in hydrography, where precise measurements of water bodies are crucial. From Global Navigation Satellite Systems (GNSS) to advanced laser scanners, the tools of geodesy are essential for navigation, construction, and environmental monitoring. Discover how this science not only enhances our understanding of the planet but also plays a vital role in sustainable resource management. Join us as we explore the intricate world of geodesy and its real-world applications!
Charting the Depths: A Comprehensive Guide to Hydrographic, Bathymetric, Offshore Surveying, and Geodetic Control
Surveying the Seas: Hydrographic, Bathymetric & Offshore Surveying with Geodetic Control Human civilization has long been drawn to the oceans – for exploration, trade, and resources – yet mapping and understanding the seafloor and offshore environment has been a centuries-long challenge. Hydrographic surveying, bathymetric surveying, and offshore surveying are critical disciplines that allow us to […]
Charting the Depths: A Comprehensive Guide to Hydrographic, Bathymetric, Offshore Surveying, and Geodetic Control (Part 1)
Surveying the Seas: Hydrographic, Bathymetric & Offshore Surveying with Geodetic Control Human civilization has long been drawn to the oceans – for exploration, trade, and resources – yet mapping and understanding the seafloor and offshore environment has been a centuries-long challenge. Hydrographic surveying, bathymetric surveying, and offshore surveying are critical disciplines that allow us to […]