SOUND METRICS PRESS ROOM

Find out how Sound Metrics sonars are being put to work around the world. If you have an article or photo to share, please send it our way.

By: Neil Hammerschlag, Carl G Meyer, Michael S Grace, Steven T Kessel, Tracey T Sutton, Euan S Harvey, Claire B Paris-Limouzy, David W Kerstetter, Steven J Cooke
An Overview of Fish and Fisheries in the Dark of Night, and in Deep and Polar Seas

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Bellevue, WA - Sound Metrics, the leading manufacturer of high-resolution acoustic imaging sonars, supplied an ARIS Explorer 3000 to aid an organization in the identification and classification of Unexploded Ordnance (UXO’s) off the coast of the North Sea with outstanding results.

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Produced for Hydro International
By: Luis Américo Conti and Marcelo Rodriques, Brazil; Bill Hanot, USA.

In Brazil there is a legal requirement to inspect all hydroelectric dams and power plants (HPP) every five to ten years, but the methods to be employed for such inspection are not well-defined. Most of the work is currently done by autonomous scuba divers using visual and conventional direct methods. However, there is considerable pressure to reduce the use of diver deployment in such a dangerous work environment. Due to very low visibility the confidence in these surveys is relatively low with much time required to accomplish an inspection. In cases where extended monitoring of the presence of fish near turbines in turbid water is necessary an acoustic technique such as imaging sonar is needed to accomplish the desired objectives. 

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Open-File Report 2015-1124
Prepared in cooperation with the U.S. Army Corps of Engineers
By: Noah s. Adams, Collin Smith, John M. Plumb, Gabriel S. Hansen and John W. Beerman

This report describes the initial year of a 2-year study to determine the feasibility of using acoustic cameras to monitor fish movements to help inform decisions about fish passage at Cougar Dam near Springfield, Oregon. Specifically, we used acoustic cameras to measure fish presence, travel speed, and direction adjacent to the water temperature control tower in the forebay of Cougar Dam during the spring (May, June and July) and fall (September, October and November) of 2013.

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Produced for NPS by Wings Over Watersheds
Elwha River Restoration is a National Park Service project that includes the largest dam removal in history, restoration of the Elwha River watershed, its native anadromous fish, and the natural downstream transport of sediment and woody debris.

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FISHBIO - Conservation - The Fish Report
Close your eyes and plunge your mind into the depths of a rushing river at midnight. It's dark and cold, and the constant pressure of moving water—weighing more than eight pounds per gallon—relentlessly pushes against you. Now, imagine a device that gives you the ability to open your eyes and see in amazing detail everything that surrounds you in that same dark and frigid river—all from the comfort of your boat. Talk about a fisheries biologist's dream tool. We'd like to introduce you to one of the most powerful tools now available to fisheries research: The Adaptive Resolution Imaging Sonar (ARIS) camera. Based on technology initially developed for the military, this device is now used for investigating the detailed movement and behavior of fishes. 

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FISHBIO - The Fish Report
In 1884, the visiting Japanese delegation to the World's Fair in New Orleans handed out a seemingly innocuous gift to fair attendees. This gift, a beautiful flowering aquatic plant native to South America, was brought home to Florida by a Mrs. W.F.Fuller, who wanted to decorate her backyard fishpond. The plant began to multiply and soon choked the water of her small pond. When she thinned out the plants, a few of them made it into the water at her boat ramp on the nearby St. John River. Within a few years, the entire river was covered in a vast floating mat of vegetation so thick that boats could no longer navigate on the river. The plant, water hyacinth (Eichornia crassipes), would turn out to be a scourge in America, as it has come to clog waterways and irrigation canals across the country, blocking sunlight and wringing previous oxygen and nutrients from the water. Brought to California in 1904, it was released by an aquatic plant enthusiast into the Sacramento River, and continues to cause massive problems to this day (see Green Tunnels of Invasive Weeds).

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A New Spin on the Traditional Newsletter Highlighting ARIS Users
BELLEVUE, WA, September 10, 2014 - Leading underwater acoustic sonar manufacturer, Sound Metrics Corp, is about to release the first issue of ARIS in Action this month.  Scheduled to be a quarterly publication, the newsletter will detail the latest and most exciting applications of ARIS, Sound Metrics' newest high-resolution sonar model, across a myriad of industries served. 

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Earth Surface Dynamics Research Group
By David Sear
Dunwich-'Britain's Atlantis' - has been revealing more of its secrets this week as a team led by Professor David Sear from Southampton University dived the site using a novel Sonar system that can see through muddy water.

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FISHBIO - The Fish Report
Counting migratory fish, studying fish behavior, and visually assessing aquatic habitat can typically only occur in environments with clear and shallow water. In more turbid streams such as the Sacramento River, seeing what's below the waterline often requires the use of sophisticated sonar technology. Dual-Frequency Identification Sonar (DIDSON) has been used extensively to estimate abundances of migratory fishes (mostly salmon) with relatively high accuracy...

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FISHBIO
FISHBIO used a DIDSON camera to evaluate anadromous fish behavior in relation to hydropower operations in a Central Valley river. 

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National Geographic 
By Pete Rand, Wild Salmon Center Conservation Biologist, Fulbright Fellow and NGS Grantee

Onishibetsu, Japan — I've learned to be patient.  A skill honed as an obsessed fly fisherman years ago.
Lately, though, I don't use a rod and reel to stalk fish.  The challenge of "catching" them with sonar I find much more gratifying. Consider it the most benign form of "catch and release".

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A consulting company in Brazil, Acquest, uses the ARIS Explorer to inspect dams and other underwater structures, study fish behavior, etc. 

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Seeing With Sound | 10/18/2013

FISHBIO - Fish Monitoring
The dream for any fisheries biologist is being able to see what's happening under the surface of the water. Often this is accomplished through the use of video or infrared cameras. However, the problem with these cameras is that it is extremely difficult for them to see in dark and turbid water. FISHBIO recently acquired an extraordinary new camera that relies on sound waves instead of light waves to "see" underwater. Similar to DIDSON technology, the ARIS (Adaptive Resolution Imaging Sonar) camera works using the same principles that allow whales and dolphins to navigate where light doesn't penetrate in the ocean and allows bats to "see" in the dark. 

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By Corey Dobridnia
Some of the members of the Joint Agency in Water Strike dive team are having their first lesson in using sonars for underwater detection.
"It basically gives sight to the blind in zero visibility water," said Darren DeDario.

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By Adam Pinsker - Channel 2 News | Reporter: Adam Pinsker | Photojournalist: Kuba Wuls
Soldotna, Alaska

KTUU - Alaska's News Source, shows the Alaska Department of Fish & Game using the new ARIS Explorer to collect fish data along the Kenai River.

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Earth Surface Dynamics Research Group
By Chris Hackney

Research by Professor David Sear has resulted in the most detailed analysis ever of the archaelogical remains of the lost medieval town of Dunwich, dubbed 'Britain's Atlantis'. The project is funded and supported by English Heritage, and using advanced underwater imaging techniques has produced the most accurate map to date of the town's streets, boundaries and major buildings, and revealed new ruins on the seabed. 

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The Daily Planet on the Discovery Channel shows Kevin Boswell, Assistant Professor of the Marine Sciences Program at Florida International University, using the ARIS Sonar to study fish biology and ecology.

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Marine ecologists use Sound Metrics DIDSON Sonar to document fish behavior.

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Sound Metrics DIDSON Sonar used by the Cape Cod Cooperative Extension to image river herring.

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Echoview Sound Knowledge
Authors: Nils Olav Handegard, Kevin M. Boswell, Christos C. Ioannou, Simon P. Leblanc, Dag B. Tjostheim, Iain D. Couzin
The Dynamics of Coordinated Group Hunting and Collective Information Transfer among Schooling Prey
This recent paper in Current Biology shows not only the incredible amount of information available from imaging sonar, but also the future of scientific communication.

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Bluefin Robotics
Quincy, MA, USA
Bluefin Robotics, a leading provider of Unmanned Underwater Vehicle (UUV) solutions for US Navy Programs of Record announced today that the HAUV-3, a hovering underwater robot, has completed Government Acceptance Testing as the production system for the Explosive Ordnance Disposal (EOD) Hull Unmanned Underwater Vehicle Localization Systems (HULS).

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International Ocean Systems 
World leading technologies produce effective search and identification system through the combination of a powerful yet stable MiniROV and HD SOnar, The incorporation of sonar roll enables 3D perception through a sequence of 2D sonar images. Simple yet highly effective approach to imprved object identification and classification.

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Ocean News & Technology
By Jesse Rodocker, Seabotix, and Joe Burch, Sound Metrics
Living in a three dimensional world (3D) has taught our brains to see images in three dimensions, even though the observations that pass through our eyes are only two dimensional (2D). ItÆs the slightly differing information contained in multiple 2D perspectives that allows us to extrapolate 3D images. The same concept is now being realized in underwater robotic work in zero optical visibility water using high-definition sonar.

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Sea Discovery
Retrieving bodies and related items from the sea floor is important for those left behind after human tragedies at sea and essential for investigations. Locating and retrieving valuable evidence can be critical for inquest or trial, yet finding objects underwater is not always an easy task.

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Sea Discovery
After a year that saw massive underwater projects like the capping of the Gulf Coast oil spill and the continued development of offshore energy solutions, itÆs not surprising that demand for imaging sonars has reached an all-time high. Even more surprising are the new applications other industries are finding for these tools.

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Hydro International
Off the coast of the Dunwich in Suffolk lies half a medieval town long abandoned to the sea. Despite many diver and sonar surveys, details of the site have been hidden due to poor visibility. In June 2010, however, acoustic imaging technology was introduced to complete an archaeological survey of the site.

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Popular Mechanics
By David Hambling

How do you thwart the devastating efforts of terrorist divers? Develop a remote-control jet ski with poerful sonar and weapons, of course.

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FISHBIO - Fish Monitoring Ocean & Bay-Delta Wildlife & Ecology
Sturgeon are growing increasingly rare along the west coast, especially in the San Joaquin Basin, the southern extent of their range. We estimate that this fish is about 7 feet long and was captured with a DIDSON acoustic camera in the San Joaquin River. 

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Feeding Frenzy | 10/30/2009

FISHBIO - Fish Monitoring
As part of a release site predation study, the California Department of Water Resources (DWR) took this DIDSON video of "salvaged" fish being released in the Delta. 

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Fire Brigade News
Article from the Florence (Italy) Fire Brigade website on the first operational use of DIDSON.

The article states that on Easter Monday a 29 year old boy, while fishing, sunk in a muggy channel. The Fire Brigade Divers arrived from Rome and Naples. The State Police divers spent two days searching for him unsuccessfully using their standard systems.

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High-Tech Fish Count | 1/17/2008

The Daily Triplicate
Del Norte County, CA
By Michelle Ma - Triplicate staff writer

Superior technology that can help count and observe fish behavior recently landed in local waters as part of a test demonstration for fisheries biologists and other interested groups.

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Southland Times, New Zealand
By Sue Fea

Scientists analysing sonar search device data collected on Saturday believe they have located the missing army Unimog truck that crashed into the Kawarau River on February 23.

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Marine Recovery Operations aboard the cable ship TYCO DECISIVE
Submarine Telcom Forum - Issue 14
By Frank Cuccio
On the afternoon of Tuesday March 9, 2004, Tyco Telecommunications (US) Inc. received a request from the Baltimore City Fire Department for assistance in locating three victims of the tragic water taxi accident which occurred on the previous Saturday.

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Tri-City Herald
By Annette Cary
A camera that's been used to survey harbors for invading frogmen is showing potential on another front: the battle to guide salmon safely past Northwest dams.

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