Bathymetric Lidar

Bathymetric LidarBathymetric Lidar is a technique to capture geospatial data of the coastline and (shallow) waters. It is a method potentially facilitating efficient and fast creation of hydrographic data. You find articles on this technique and various applications all over the world.

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Improving Satellite-derived Bathymetry

Bathymetry is traditionally acquired using singlebeam or multibeam echosounders. This method produces accurate depth measurements along transects but is constrained by operating cost and an inability to survey in very shallow waters. Airborne Lidar is able to produce accurat... (read more)
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Acquiring and Integrating Bathymetric Lidar

We investigated the most significant issues affecting the creation of a littoral zone digital elevation model from overlapping bathymetric and topographic Lidar (light detection and ranging) data. The main challenge was found to be the use of different methodologies used to... (read more)
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Every month we will focus on a specific theme, featuring a selection of articles which have previously been published in Hydro International magazine. to present a complete recap of the subject. If you don't want to miss these themed recaps, sign up for the newsletter (sign up here).

Bathymetric Lidar

From Concept to Feasibility in Aerial Mapping

Starting in 2005, the French Naval Hydrographic and Oceanographic Office (Service hydrographique et océanographique de la marine [Shom]) and the French National Geographic Institute (Institut National de l’Information Géographique et Forestière [IG... (read more)

What Users Want in Their Bathymetry

More and more users are demanding bathymetry to support many new and different applications. New applications have necessitated changes in data acquisition and processing technologies to meet user requirements. The complexity of these requirements needs to be better understo... (read more)

Pushing Lidar to the Limits

Airborne bathymetric Lidar is an ideal tool to study underwater features in the usually rather clear waters along the coast of Australia. Due to the remoteness of many of the continent’s coastlines, this is often the only economically viable option for large-scale bath... (read more)

Technology in Focus: Bathymetric Lidar

Bathymetric Lidar is the most effective and cost-efficient technology to capture both the land and sea floor simultaneously, in order to provide a continuous, detailed 3D elevation model along the coastline. With sea-level rise and increases in the severity of extreme natura... (read more)

ALB Operations, Standards, Specifications and Stuff

In his column in 'Hydro International', Mark Sinclair from Fugro writes that he commends the ‘Technology in Focus: Bathymetric Lidar’ article; it is right on the money. Amongst other things, it describes the crucial factors leading to a successful... (read more)
Bathymetric Lidar

Lidar Bathymetry on the Alaskan North Slope

In June 2014, the Bureau of Economic Geology, a research unit at the University of Texas at Austin, was contracted to conduct an airborne bathymetric Lidar survey on the Alaskan North Slope. The purpose of the project was to further determine, understand, and map the local l... (read more)

Surveying Japanese Inland and Coastal Waters

In March 2015, Leica Geosystems conducted a series of demonstration surveys in Japan with the HawkEye III Airborne Topographic Bathymetric Lidar system. This demonstration was designed to prove the depth performance and general capabilities of the HawkEye III system in... (read more)

Lidar Seafloor Classification

Airborne Lidar (Light Detecting and Ranging) is a well-established remote sensing technique which scans the terrain and seafloor with high-frequency laser pulses. Until now, bathymetric Lidar data has been processed to generate marine depth information and seafloor topograph... (read more)

The New OGC Marine Domain Working Group

OGC’s new Marine DWG will investigate some critical issues surrounding the usefulness of marine data for purposes other than navigation. In doing this, it hopes to broaden the use of marine data and create demand for more thorough mapping of the oceans. By Andy Ho... (read more)

Successful Delivery of Coastal Survey Data to the Royal Australian Navy

Amongst the largest contracted coastal hydrographic Lidar survey projects awarded in recent years is the Australian Hydrographic Service (AHS) survey of the Torres Strait in Northern Queensland. The intent of this very large survey was to update nautical charting in the regi... (read more)
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