AFSC/RACE/GAP/McConnaughey:USBL Proof of Concept
Alaska Fisheries Science Center
Project
(PRJ)
| ID: 32335
| Published / External
Created: 2016-04-18
|
Last Modified: 2024-01-15
Project (PRJ) | ID: 22291
ID: 32335
Project (PRJ)
* Discovery• First Pass
» Metadata Rubric
Item Identification
* » Title | AFSC/RACE/GAP/McConnaughey:USBL Proof of Concept |
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Short Name | |
* Status | Completed |
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* » Abstract |
The trials were conducted in Dabob Bay, Washington, in May 1998. The main objective of these trials was to determine an accurate and reliable system to track a fishing trawl. Three USBL vendors were invited and agreed to participate in the trials. Nautronix Ltd. (Nautronix) provided their ATS II system, Simrad Subsea A/S (Simrad) provided their ITI system, and Ocean Research Equipment, Inc. (ORE) submitted their Trackpoint II Plus system. A local ORE distributor, MECCO, Inc. (MECCO), provided and operated the Trackpoint II Plus system. The U.S. Navy?s fixed, underwater tracking range in Dabob Bay, operated by the Naval Undersea Warfare Center (NUWC) Division ? Keyport, Washington, was also used in these trials. The range was used to provide simultaneous sub-sea positioning of the fishing trawl and to serve as a benchmark for system evaluations. The U.S. Navy also provided surface navigation support for the fishing vessel during these trials. The vessel selected by AFSC to conduct these trawls was the F/V Vesteraalen. It is 124 feet long, has a beam of 32 feet, and a draft of 18 feet. The F/V VESTERAALEN has a single, fixed-pitch propeller with a nozzle. By design, the vessel is like most in-shore trawlers and has, in fact, operated in Alaska in the past. The tests were conducted using NMFS otter trawls, typically used in Alaskan waters. A trial schedule was developed that would provide each vendor with three days to mobilize and test their systems. Each vendor?s equipment was attached to the fishing trawl, along with the U.S. Navy tracking gear. Both the U.S. Navy and the USBL vendor collected simultaneous trawl position data as determined by their respective equipment, with the trawl being dragged on the bottom along a predetermined track. The main objective of these trials was to assess the accuracy of each vendor?s equipment. This was accomplished using a statistical comparison between each vendor?s data and the U.S. Navy?s data that were observed simultaneously. This report details the results of these trials and summarizes the comparison results. It also contains details of the equipment and the methodologies used to collect and analyze the data. As a result of the data analysis, conclusions were drawn and recommendations have been included in this report. |
* Purpose |
The National Marine Fisheries Service - Alaska Fisheries Science Center (NMFS-AFSC) recently contracted Racal Pelagos, Inc. (RPI) to coordinate testing of various ultra short baseline (USBL) systems in a bottom trawl environment. The overall purpose of the test was to determine which USBL system performs best in conditions that approximate those in Bristol Bay, Alaska, where future tests will occur in 2000. During the future testing, AFSC will need to accurately track bottom fishing trawls in order to assess their impact upon the sea floor biology in Alaska. The singel polyline in this dataset is the planned survey line for which the trawl was navigated and the USBL systems evaluated. |
Notes |
Loaded by FGDC Metadata Uploader, batch 7340, 10-15-2015 15:03 The following FGDC sections are not currently supported in InPort, but were preserved and will be included in the FGDC export: - Spatial Reference Information (FGDC:spref), - Spatial Data Organization Information (FGDC:spdoinfo) |
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Keywords
Theme Keywords
Thesaurus | Keyword |
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ISO 19115 Topic Category | geoscientificInformation |
ISO 19115 Topic Category | oceans |
None | navigation |
None | usbl underwater positioning |
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* Spatial Keywords
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None | puget sound |
None | washington |
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Physical Location
• » Organization | Alaska Fisheries Science Center |
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• » City | Seattle |
• » State/Province | WA |
• Country | USA |
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Support Roles
* » Support Role | Data Steward |
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* » Date Effective From | 2015 |
Date Effective To | |
Person | McConnaughey, Bob |
Email Address | bob.mcconnaughey@noaa.gov |
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* » Support Role | Distributor |
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* » Date Effective From | 2015 |
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Organization | Alaska Fisheries Science Center (AFSC) |
Address |
7600 Sand Point Way N.E., Building 4 Seattle, WA 98115 USA |
Email Address | afsc.webmaster@noaa.gov |
Phone | (206) 526-4000 |
Fax | (206) 526-4004 |
Mobile | |
URL | https://www.fisheries.noaa.gov/about/alaska-fisheries-science-center |
Business Hours | 0700-1700 Pacific Time |
Contact Instructions |
* » Support Role | Metadata Contact |
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* » Date Effective From | 2015-10-15 |
Date Effective To | |
Person | Intelmann, Steve |
Address |
7600 Sand Point Way N.E., Building 4 Seattle, WA 98115 USA |
Email Address | steve.intelmann@noaa.gov |
Phone | (206) 526-4157 |
Fax | (206) 526-6723 |
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* » Support Role | Originator |
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* » Date Effective From | 2015-10-15 |
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Person | McConnaughey, Bob |
Email Address | bob.mcconnaughey@noaa.gov |
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* » Support Role | Point of Contact |
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* » Date Effective From | 2015-10-15 |
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Person | McConnaughey, Bob |
Email Address | bob.mcconnaughey@noaa.gov |
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Extents
Currentness Reference | Study was conducted in May1998 |
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Extent Description |
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Extent Group 1 / Geographic Area 1
* » W° Bound | -122.845964 |
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* » E° Bound | -122.842347 |
* » N° Bound | 47.755749 |
* » S° Bound | 47.745937 |
* » Description |
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* » Time Frame Type | Range |
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* » Start | 1998-05-20 |
End | 1998-05-30 |
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Access Information
* » Security Class | Unclassified |
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» Download URL | https://www.ncei.noaa.gov |
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Microsoft Windows 7 Version 6.1 (Build 7601) Service Pack 1; Esri ArcGIS 10.3.0.4322 |
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Child Items
Rubric scores updated every 15m
Score | Type | Title |
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Project (PRJ) | AFSC/RACE/GAP/McConnaughey:USBL Proof of Concept-1998 | |
Related Items
Item Type | Relationship Type | Title |
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Catalog Details
Catalog Item ID | 32335 |
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Metadata Record Created By | Theresa A Smith |
Metadata Record Created | 2016-04-18 14:12+0000 |
Metadata Record Last Modified By | SysAdmin InPortAdmin |
» Metadata Record Last Modified | 2024-01-15 12:08+0000 |
Metadata Record Published | 2018-10-15 |
Owner Org | AFSC |
Metadata Publication Status | Published Externally |
Do Not Publish? | N |
Metadata Workflow State | Published / External |
Metadata Last Review Date | 2018-10-15 |
Metadata Review Frequency | 1 Year |
Metadata Next Review Date | 2019-10-15 |
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