Raw Knudsen KEB Datagrams from CHIRP High-Resolution Seismic Profiles from the West Mariana Ridge
Raw Knudsen KEB Datagrams collected simultaneously with multibeam bathymetry and acoustic backscatter.
- Cite as: UNH Center for Coastal and Ocean Mapping/Joint Hydrographic Center (CCOM/JHC). 2009: Raw Knudsen KEB Datagrams from CHIRP High-Resolution Seismic Profiles from the West Mariana Ridge. NOAA National Centers for Environmental Information. Accessed [date].
- NCEI Metadata ID: gov.noaa.ngdc.mgg.seismic:bd0601_SubbottomProfiler
gov.noaa.ngdc.mgg.seismic:bd0601_SubbottomProfiler
Search Data |
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Trackline Geophysical Data Viewer (search)
An interactive map of tracklines providing access to marine geophysical survey data (bathymetry, gravity, magnetics, seismics), and aeromagnetic surveys in the archive.
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Order Data |
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Distribution Formats |
- Raw Knudsen KEB Datagrams
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Ordering Instructions |
Contact NCEI for other distribution options and instructions. |
Distributor |
NOAA National Centers for Environmental Information ncei.info@noaa.gov
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Dataset Point of Contact |
NOAA National Centers for Environmental Information ncei.info@noaa.gov
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Time Period |
2006-10-13 to 2006-11-12 |
Spatial Reference System |
urn:ogc:def:crs:EPSG::4326urn:ogc:def:crs:EPSG::5831 |
Spatial Bounding Box Coordinates |
West: 140.2386
East: 143.3473
South: 15.371
North: 20.9409
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Spatial Coverage Map |
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General Documentation |
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Associated Resources |
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Publication Dates |
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Dataset Progress Status |
Complete - production of the data has been completed Historical archive - data has been stored in an offline storage facility |
Data Update Frequency |
Not planned |
Purpose |
The National Oceanic and Atmospheric Administration (NOAA), on behalf of the United States Government, has a requirement to carry out surveys of specific regions on the western insular margins of the Commonwealth of the Northern Mariana Islands and Guam in order to obtain multibeam bathymetry. In addition, high-resolution CHIRP seismic profiles were continuously collected and processed during the cruise. These data are required to support any potential claim for extended jurisdiction by the United States under United Nations Convention on the Law of the Sea (UNCLOS) Article 76. The requirement is for the collection and processing of full-coverage multibeam sonar data in water depths of approximately 1500 to 4500 m in order to precisely define the location of the 2500-m isobath and the "foot of the slope" as defined under UNCLOS Article 76. As part of their NOAA-funded research program, University of New Hampshire (UNH) researchers oversaw data acquisition, processing and archiving of the data collected during the cruise. |
Use Limitations |
- These data not intended for navigational purposes. These data and information are provided with the understanding that they are not guaranteed to be usable, timely, accurate, or complete. Users are cautioned to consider carefully the provisional nature of these data and information before using them for decisions that concern personal or public safety or the conduct of business that involves substantial monetary or operational consequences. Conclusions drawn from, or actions undertaken on the basis of, such data and information are the sole responsibility of the user. Neither the University of New Hampshire nor any agency thereof, nor any of their employees, contractors, or subcontractors, make any warranty, express or implied, nor assume any legal liability or responsibility for the accuracy, completeness, or usefulness of any data, software, information, apparatus, product, or process disclosed, nor represent that its use would not infringe on privately owned rights.
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Dataset Citation |
- Cite as: UNH Center for Coastal and Ocean Mapping/Joint Hydrographic Center (CCOM/JHC). 2009: Raw Knudsen KEB Datagrams from CHIRP High-Resolution Seismic Profiles from the West Mariana Ridge. NOAA National Centers for Environmental Information. Accessed [date].
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Cited Authors |
- UNH Center for Coastal and Ocean Mapping/Joint Hydrographic Center (CCOM/JHC)
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Principal Investigators |
- James V. Gardner
UNH Center for Coastal and Ocean Mapping/Joint Hydrographic Center (CCOM/JHC)
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Publishers |
- NOAA National Centers for Environmental Information
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Acknowledgments |
- Center for Coastal & Ocean Mapping, University of New Hampshire
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Theme keywords |
- Commonwealth of the Northern Mariana Islands
- Raw Knudsen KEB Datagrams
- Bathymetry
- Insular margin
- high-resolution CHIRP
- EARTH SCIENCE > OCEANS > MARINE GEOPHYSICS > PLATE TECTONICS
- EARTH SCIENCE > OCEANS > OCEAN ACOUSTICS > ACOUSTIC REFLECTIVITY
- EARTH SCIENCE > OCEANS > OCEAN ACOUSTICS > ACOUSTIC VELOCITY
Global Change Master Directory (GCMD) Service Keywords
- DATA ANALYSIS AND VISUALIZATION > GEOGRAPHIC INFORMATION SYSTEMS > WEB-BASED GEOGRAPHIC INFORMATION SYSTEMS
- DATA MANAGEMENT/DATA HANDLING > DATA SEARCH AND RETRIEVAL
- DATA ANALYSIS AND VISUALIZATION > VISUALIZATION/IMAGE PROCESSING
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Data Center keywords |
Global Change Master Directory (GCMD) Data Center Keywords
- DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
- DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
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Use Constraints |
- Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose.
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Access Constraints |
- Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives.
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Other Constraints |
Cite as: UNH Center for Coastal and Ocean Mapping/Joint Hydrographic Center (CCOM/JHC). 2009: Raw Knudsen KEB Datagrams from CHIRP High-Resolution Seismic Profiles from the West Mariana Ridge. NOAA National Centers for Environmental Information. Accessed [date]. |
Fees |
- In most cases, electronic downloads of the data are free. However, fees may apply for custom orders, data certifications, copies of analog materials, and data distribution on physical media.
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Processing Steps |
- 2015-04-22T00:00:00 - NOAA created the National Centers for Environmental Information (NCEI) by merging NOAA's National Climatic Data Center (NCDC), National Geophysical Data Center (NGDC), and National Oceanographic Data Center (NODC), including the National Coastal Data Development Center (NCDDC), per the Consolidated and Further Continuing Appropriations Act, 2015, Public Law 113-235. NCEI launched publicly on April 22, 2015.
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Acquisition Information (collection) |
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Last Modified: 2020-05-06
For questions about the information on this page, please email:
ncei.info@noaa.gov