Reson SeaBat 8101

The SeaBat 8101 Multibeam Echosounder measures discrete depths, enabling complex underwater features to be mapped with precision. Dense coverage is achieved utilizing up to 4,000 soundings per second for a swath up to 600 meters in width, even as the survey vessel travels at speeds in excess of 12 knots.

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Multibeam screenshot of dredged channel.
Multibeam screenshot of dredged channel.

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Related Projects:

NOAA Charting - Unimak Pass
Unimak, Alaska
TerraSond was contracted by NOAA to provide modern hydrographic survey data for updating the nautical charts north of Akun Island, Alaska, and also a portion of the Safety Fairway through Unimak Pass connecting the Bering Sea with the North Pacific Ocean.
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NOAA Charting - Alabama, Louisiana and Mississippi
Gulf of Mexico
We were contracted by the U.S. Department of Commerce, National Oceanic and Atmospheric Administration (NOAA) to provide sidescan, single beam, and multibeam sonar services for Debris Mapping of the Alabama Fairways and Perdido Bay in the Gulf of Mexico.
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Coal Facility Landing Site
Cook Inlet, Alaska
Our hydrographic surveyors provided multibeam bathymetry and collected marine geophysical and current data to aid in the development of a trestle and dock for the shipment of coal mined from a coal facility landing site in Cook Inlet, Alaska.
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ROV Multibeam Surveys
Various Locations, Worldwide
We performed a series of multibeam surveys for a company that was tasked with mapping a number of existing and proposed sub-sea installations and specializes in acoustic positioning in deep water.
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NOAA Charting - Mississippi and Alabama
Gulf of Mexico
The U.S. Department of Commerce, National Oceanic and Atmospheric Administration (NOAA) tasked TerraSond to provide multibeam sonar and sidescan sonar survey services so that nautical charts of the survey area in Mississippi and Alabama could be updated.
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NOAA - Alaska IDIQ Contract for Hydrographic Surveys and Related Services
Various Locations, Alaska
Since 1998, we have supplied the U.S. Department of Commerce, National Oceanic and Atmospheric Administration (NOAA) with hydrographic data of 100% bottom coverage with shallow-water multibeam sonar systems.
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USACE - Alaska IDIQ Contract for Hydrographic Surveys and Related Services
Various Locations, Alaska
Since 1995, we have provided the U.S. Army Corps of Engineers (USACE) - Alaska District with hydrographic, topographic, and Global Positioning System (GPS) control surveys; aerial photography; LiDAR mapping; and tide studies on over five hundred projects throughout Alaska.
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NOAA - Nationwide IDIQ Contract for Hydrographic Surveys and Related Services
Various Locations, U.S.A
We understand NOAA's requirements and have the trained staff and equipment to perform their vital surveys. This 5-year term contract supports NOAA's nautical charting mission in Alaska, the Gulf of Mexico, and all other navigable waters of the U.S., including the East Coast, Pacific, Great Lakes, and U.S. territories.
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NOAA Charting - Kasaan Bay
Kasaan Bay, Alaska
NOAA contracted us to provide hydrographic surveying and support services in Kasaan Bay, Alaska. This survey was comprised of two Task Orders for multibeam surveying, shoreline verification, shoreline buffer, and Automated Wreck and Obstruction Information System (AWOIS) investigations on 13 sites.
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NOAA Charting - Tongass Narrows
Ketchikan, Alaska
We surveyed 1,666 lineal miles of sea floor with multibeam sonars and verified 92 miles of shoreline using National Geodetic Survey (NGS) Remote Sensor Data (RSD). As a result of the hydrographic surveys, 50 separate items were investigated and mapped.
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NOAA Charting - Upper Cook Inlet
Cook Inlet, Alaska
NOAA contracted us to supply hydrographic surveying data for 54.3 square miles of Cook Inlet, Alaska. Afterward, 3,898 lineal miles of multibeam surveys, and 55 lineal miles of side scan sonar surveys were added to the contract.
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Pipeline Construction to Osprey Platform
Cook Inlet, Alaska
We provided support services for a pipeline installation program in a very rough area of Cook Inlet that was exposed to weather from the north and south.
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USACE - Texas IDIQ Contract for Hydrographic Surveys and Related Services
Various Locations, Texas
Since 2003, TerraSond has provided and continues to provide hydrographic surveys and related support services for the Galveston District of the U.S. Army Corps of Engineers (USACE).
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Channel Clearance Surveys - Texas
Ingleside, Texas
For this project, we were tasked by the U.S. Army Corps of Engineers- Galveston District, to conduct multiple high resolution repeat surveys for the Jewell-Fulton Channel, LaQuinta Channel, Corpus Christi Channel, and Aransas Pass Entrance Channel, using multibeam and sidescan sonar for data collection.
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Conceptual Engineering Services
Anchorage, Alaska
We participated in a road design and construction plan for a bridge across Knik Arm, a branch of Cook Inlet near Anchorage, Alaska. Our office staff collected background information about land and sub-sea contours, inlet currents and ice, area biology and regulatory requirements to provide to our client.
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NOAA Charting - Port Clarence and Nome
Norton Sound, Alaska
NOAA tasked us with providing hydrographic surveying and support services for the Approaches to Nome and Port Clarence in the Norton Sound along the Bering Sea, Alaska.
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Subsea Fiber Optic Cable System
Northwest, U.S.A.
In 2008, Alaska Communications System (ACS) installed a 2900 km submarine fiber optic cable across the Gulf of Alaska connecting Oregon and Alaska.
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Shallow Hazards Geophysical Survey
Alaska Outer Continental Shelf (OCS) Region
An exploration, production, and support services company contracted us to collect data to support the future move of an oil rig platform in the Alaska Outer Continental Shelf (OCS) Region.
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Lake Travis Multibeam and Sidescan
Lake Travis, Texas
An engineering firm contracted us to conduct RTK multibeam bathymetric and side scan sonar surveys of three locations within Lake Travis, Texas. Lake Travis is the main reservoir feeding the Austin, TX area and is located in the Hill Country of Texas at an elevation of roughly 700 ft. NAVD 88. The purpose of the survey was to locate the 655 ft. contour on the lakebed for designing a new water intake valve to feed nearby towns, like Volente, Texas.
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Post Hurricane Ike Emergency Call-out Clearance Surveys
Various Locations, Texas
Working closely with the U.S. Army Corps of Engineers (USACE) - Galveston District, along with NOAA's National Weather Service and other agencies, we developed a plan of action before Hurricane Ike hit the Texas coastline.
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Wells Dam Hydrographic and ROV Video Survey
Columbia River, Washington
Douglas County, Public Utility District No. 1 had a debris boom designed and constructed to stop and redirect logs and other debris before reaching the Wells Dam and spillways.
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