Technology
|
A similar seafloor mapping technique to multibeam sonar is the use of airborne laser bathymetry, or Light Detection and Ranging (lidar), which use low-flying aircraft to scan pulsed laser beams across the seafloor and generate a swath of depth soundings. |
|
Read more...
|
|
The 3D visualisation software we use is Fledermaus - a powerful, interactive 4D (space and time) data visualisation software developed by QPS. Fledermaus software is used for a variety of ocean mapping applications, such as multibeam depth editing, environmental surveys, undersea mining and seabed geology research. |
|
Read more...
|
|
Sidescan sonar uses sound energy reflected off the seabed to reveal the detailed texture or roughness of the seafloor. Unlike echosounders which only measure depth, a sidescan sonar records an image of the seabed by measuring the strength of returned echoes. |
|
Read more...
|
|
A conductivity-temperature-depth profiler, or CTD, is an instrument lowered into the sea from a ship and used to measure the physical characteristics of the ocean and also to collect water samples. |
|
Read more...
|
|
Sediment grabs come in all shapes and sizes, but they all do much the same thing, to collect a sample of sediment from the seabed. These samples are used to analyse the properties of the sediment itself or to discover the marine life living on the seafloor |
|
Read more...
|
|
Singlebeam echosounders have been used routinely for many years to collect depth data from the world’s oceans. This acoustic technique relies on a vessel-mounted transducer to generate a single acoustic pulse directed towards the seabed underneath the vessel. |
|
Read more...
|
|
Deep-sea underwater cameras may take either video or still images with high-resolution digital cameras. There are a huge range of underwater cameras for every purpose but they all have several things in common. |
|
Read more...
|
|
A rock dredge is a large bag made of metal chain links attached to a simple heavy frame that keeps the bag expanded. The dredge is lowered off the back of a ship to the seafloor and dragged along to collect large pieces of rock. |
|
Read more...
|
|
|
|
|
|
|
