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The AN/BLQ-11 autonomous unmanned undersea vehicle (formerly the Long-Term Mine Reconnaissance System (LMRS)) is a torpedo tube-launched and tube-recovered underwater search and survey unmanned undersea vehicle (UUV) capable of performing autonomous minefield reconnaissance as much as [1] 200 kilometers (120 mi) in advance of a host Los Angeles-, Seawolf-, or Virginia-class [2] submarine.
Baited remote underwater video – Equipment for estimating fish populations; Sometimes more than one type of observations are combined in a survey. For example, the Reef Life Survey procedure includes three components along the same transect: Visual count of fish, visual count of benthic fauna, and photographs of the bottom at regular ...
A survey may cover up to nearly 2 miles over a period of around 50 minutes. This type of surveying method is called a towboard survey, towed-diver survey, [2] and the manta tow technique, the latter named after the Manta Board, an oval towboard marketed for recreational use. [3] [1] A variant is the SAM or "Single-armed Manta-board". This ...
Battelle serves the following: Agribusiness: cannabis research, encapsulation, formulation, environmental fate, spray drift and droplet characterization; Ecology and environment: scientific data packages for researchers, air, water and soil analysis, assessment and remediation
A survey vessel is any type of ship or boat that is used for underwater surveys, usually to collect data for mapping or planning underwater construction or mineral extraction. It is a type of research vessel , and may be designed for the purpose, modified for the purpose or temporarily put into the service as a vessel of opportunity , and may ...
This method revolutionized hydrographic surveying, as it allowed a quicker, less laborious, and far more complete survey of an area than did the use of lead lines and sounding poles. From a navigational safety point of view, a wire-drag survey would not miss a hazard to navigation that projected above the drag wire depth.