gov.noaa.ngdc.mgg.seismic:HLY1202_SubbottomProfiler series NOAA National Centers for Environmental Information ncei.info@noaa.gov https://www.ncei.noaa.gov/contact NCEI Contact Information Information for contacts at NCEI. information pointOfContact 2020-05-07 ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) World Geodetic System 1984 WGS 84 2007-08-27 revision https://epsg.org/crs_4326/WGS-84.html WGS 84 GML of World Geodetic System 1984 coordinate reference system. information resourceProvider European Petroleum Survey Group https://epsg.org/home.html European Petroleum Survey Group Geodetic Parameter Registry Registry that accesses the EPSG Geodetic Parameter Dataset, which is a structured dataset of Coordinate Reference Systems and Coordinate Transformations. search publisher urn:ogc:def:crs:EPSG::4326 Instantaneous Water Level depth 2012-08-10 revision https://epsg.org/crs_5831/Instantaneous-Water-Level-depth.html GML for Instantaneous Water Level depth (in meters) available from the epsg-registry. information resourceProvider European Petroleum Survey Group https://epsg.org/home.html European Petroleum Survey Group Geodetic Parameter Registry Registry that accesses the EPSG Geodetic Parameter Dataset, which is a structured dataset of Coordinate Reference Systems and Coordinate Transformations. search publisher urn:ogc:def:crs:EPSG::5831 Raw Knudsen 3260 CHIRP Subbottom Profiler Data for the Arctic Ocean 2012-10-15 publication NOAA National Centers for Environmental Information NCEI Metadata ID: gov.noaa.ngdc.mgg.seismic:HLY1202_SubbottomProfiler NOAA National Centers for Environmental Information publisher UNH Center for Coastal and Ocean Mapping/Joint Hydrographic Center (CCOM/JHC) author James V. Gardner UNH Center for Coastal and Ocean Mapping/Joint Hydrographic Center (CCOM/JHC) Research Professor principalInvestigator Knudsen 3260 CHIRP subbottom profiler data were collected in the Raw Knudsen SEG-Y Datagram format. 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 continental margin (slope and rise) in the U.S. Arctic Ocean in order to obtain Raw Knudsen SEG-Y Datagram. 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 2000 to 5000 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. Larry Mayer - UNH/CCOM-JHC : Center for Coastal and Ocean Mapping/Joint Hydrographic Center, University of New Hampshire completed historicalArchive NOAA National Centers for Environmental Information ncei.info@noaa.gov https://www.ncei.noaa.gov/contact NCEI Contact Information Information for contacts at NCEI. information pointOfContact Jennifer Jencks NOAA National Centers for Environmental Information 303 497-6419 Jennifer.Jencks@noaa.gov 8:00 - 5:00 Mountain pointOfContact notPlanned Marine Geophysics > Shallow Subbottom theme Uncontrolled Keywords Earth Science > Oceans > Marine Geophysics > Plate Tectonics Earth Science > Oceans > Ocean Acoustics > Acoustic Reflectivity Earth Science > Oceans > Ocean Acoustics > Acoustic Velocity theme Global Change Master Directory (GCMD) Science Keywords 2025 revision 22 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords GCMD Keyword Forum Page Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 22. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords information custodian Raw datagrams extended continental shelf theme Uncontrolled Barrow, AK place Uncontrolled - Departure Port Dutch Harbor, AK place Uncontrolled - Arrival Port Ocean > Arctic Ocean > Chukchi Sea place Global Change Master Directory (GCMD) Location Keywords 2025 revision 22 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords GCMD Keyword Forum Page Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 22. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords information custodian Chukchi Cap place Uncontrolled DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce UNH/CCOM-JHC > Center for Coastal and Ocean Mapping - Joint Hydrographic Center, University of New Hampshire dataCentre Global Change Master Directory (GCMD) Data Center Keywords 2025 revision 22 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords GCMD Keyword Forum Page Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 22. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords information custodian otherRestrictions 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. otherRestrictions 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 otherRestrictions Cite as: UNH Center for Coastal and Ocean Mapping/Joint Hydrographic Center (CCOM/JHC). 2012: Raw Knudsen 3260 CHIRP Subbottom Profiler Data for the Arctic Ocean. NOAA National Centers for Environmental Information. Accessed [date]. 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-166.35410 -166.26709 71.33316 71.44326 2012-09-23T23:22:54 2012-09-23T23:48:13 2012_267_2348_LF_392 -166.40177 -166.35412 71.27264 71.33313 2012-09-23T23:48:14 2012-09-24T00:02:09 Geophysical Trackline Data ArcGIS Map Service 2012-12-12 creation NOAA National Centers for Environmental Information https://ngdc.noaa.gov/mgg/geodas/trackline.html Marine Geophysical Trackline Data at NCEI Please see website for more information about Marine Geophysical Trackline Data. information publisher NOAA National Centers for Environmental Information https://ngdc.noaa.gov/geomag/aromag.shtml Airborne Magnetic Data Please see website for more information about airborne magnetic data. information publisher NOAA National Centers for Environmental Information https://noaa.maps.arcgis.com/home/item.html?id=9548e62e560d4fcc8183337c54124747 NOAA GeoPlatform Entry for Trackline Geophysical Data NOAA GeoPlatform listing for Trackline Geophysical Data information publisher The Marine Trackline Geophysics database contains bathymetry, magnetics, gravity and seismic navigation data collected during marine cruises from 1939 to the present. Coverage is worldwide. Data sources include both US and foreign oceanographic institutions and government agencies. This map service shows tracks (both ship and airborne) for all geophysical surveys in the database, split into sub-layers by data type. This dynamic map service allows these sub-layers to be toggled on/off: All Survey Types (0) - visible by default; Bathymetry (1); Gravity (2); Magnetics (3); Multi-Channel Seismics (4); Seismic Refraction (5); Shot-Point Navigation (6); Side Scan Sonar (7); Single-Channel Seismics (8); Subbottom Profile (9); Aeromagnetic Surveys (10). Separate cached (tiled) map services are also available for several of these layers: All Survey Types (https://noaa.maps.arcgis.com/home/item.html?id=589adaec19ba48a9942ca9b13000c46d), Bathymetry (https://noaa.maps.arcgis.com/home/item.html?id=09dba3b48e8b49f4bcbf21f6e51ef6ed), Gravity (https://noaa.maps.arcgis.com/home/item.html?id=00cb8aa7607b4f11b78ef5a0e77921f5), Magnetics (https://noaa.maps.arcgis.com/home/item.html?id=09d6cfa8909545ddbfe93657ad761222), and Single-Channel Seismics (https://noaa.maps.arcgis.com/home/item.html?id=ff835a5df139428f992a6066151ffdda). NCEI GIS Team NOAA National Centers for Environmental Information ncei.gis@noaa.gov pointOfContact 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 theme Global Change Master Directory (GCMD) Service Keywords 2020-01-09 publication 9.1 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords GCMD Keyword Forum Page Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 22. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords information custodian These data not to be used for navigation. Although these data are of high quality and useful for planning and modeling purposes, they are not suitable for navigation. For official navigation products, please refer to the U.S. nautical charts available from the NOAA Office of Coast Survey: http://www.nauticalcharts.noaa.gov. ArcGIS Map Service 10.7 1 -180 180 -90 90 tight ArcGIS Server REST endpoint for dynamic map service https://gis.ngdc.noaa.gov/arcgis/rest/services/web_mercator/trackline_combined_dynamic/MapServer http http://www.geoplatform.gov/spec/esri-map-rest Geophysical Trackline Data ArcGIS Dynamic Map Service REST endpoint for Geophysical Trackline Data dynamic map service search WMS Get Capabilities https://gis.ngdc.noaa.gov/arcgis/services/web_mercator/trackline_combined_dynamic/MapServer/WMSServer?request=GetCapabilities&service=WMS http http://opengis.net/spec/wms Geophysical Trackline Data Web Map Service (WMS) Capabilities document for Open Geospatial Consortium Web Map Service for Geophysical Trackline Data search NOAA National Centers for Environmental Information ncei.info@noaa.gov https://www.ncei.noaa.gov/contact NCEI Contact Information Information for contacts at NCEI. information distributor 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. Contact NCEI for other distribution options and instructions. Raw Knudsen SEG-Y Datagram https://www.ncei.noaa.gov/metadata/geoportal/rest/metadata/item/gov.noaa.ngdc.mgg.seismic:HLY1202_SubbottomProfiler/html HTTPS Metadata Landing Page information https://maps.ngdc.noaa.gov/viewers/geophysics/ Trackline Geophysical Data Viewer An interactive map of tracklines providing access to marine geophysical survey data (bathymetry, gravity, magnetics, seismics), and aeromagnetic surveys in the archive. search https://www.ngdc.noaa.gov/trackline/request/?surveyIds=HLY1202 Request Trackline Data Download seismic data from this cruise. order repository NOAA National Centers for Environmental Information 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. 2015-04-22T00:00:00 series Horizontal Positional Accuracy Report Horizontal positioning of the vessel was determined using corrected differential GPS-aided inertial navigation. Positioning is accurate to better than 1.0 meter (at 95% confidence) during all surveying. All positioning is referenced to the WGS84 Datum. Vertical Positional Accuracy Report better than 0.1% of water depth Complete Unknown RAW data, not processed 2012-10-01T00:00:00 James V. Gardner UNH Center for Coastal and Ocean Mapping/Joint Hydrographic Center (CCOM/JHC) Research Professor principalInvestigator asNeeded Modified for compliance to NCEI Template v1.2. Knudsen 320 B/R CHIRP 320 B/R Knudsen Engineering Limited 315-393-8861 (USA) 613-267-1165 (Canada) 613-267-7085 (Canada) 10 Industrial Road Perth, Ontario K7H3P2 Canada info@knudsenengineering.com http://icefloe.net/docs/320BR.pdf 320 B/R Deep Water Echosounder 320 B/R Deep Water Echosounder information information resourceProvider Knudsen 320 B/R Echosounder The Knudsen 320B/R has two transceivers and is capable of operating as a subbottom profiler (CW at 3.5 KHz or frequency modulated chirp from 2kHz to 6 kHz) and a conventional single beam echo sounder at 12 KHz. HE1202 completed USCGC HEALY (WAGB-20) Healy (HLY) The Coast Guard Cutter HEALY (WAGB - 20) is United States' newest and most technologically advanced polar icebreaker. HEALY is designed to conduct a wide range of research activities, providing more than 4,200 square feet of scientific laboratory space, numerous electronic sensor systems, oceanographic winches, and accommodations for up to 50 scientists. HEALY is designed to break 4 ½ feet of ice continuously at three knots and can operate in temperatures as low as -50 degrees F. The science community provided invaluable input on lab lay-outs and science capabilities during design and construction of the ship. At a time when scientific interest in the Arctic Ocean basin is intensifying, HEALY substantially enhances the United States Arctic research capability. As a Coast Guard cutter, HEALY is also a capable platform for supporting other potential missions in the polar regions, including logistics, search and rescue, ship escort, environmental protection, and enforcement of laws and treaties. Kongsberg EM122 Multibeam Echosounder EM122 Kongsberg Maritime http://www.km.kongsberg.com/ks/web/nokbg0240.nsf/AllWeb/01FB0F22974EA50FC125715E002B2143?OpenDocument Kongsberg EM122 information Information on the Kongsberg EM122 multibeam sonar system information resourceProvider Kongsberg EM122 Multibeam Echosounder EM 122 multibeam echosounder is a high performance echosounder for deep water mapping with up to 288 simultaneous beams. The EM 122 is designed to perform seabed mapping to full ocean depth with an unsurpassed resolution, coverage and accuracy. The system is cost effective, reliable, and easily operated. The design of the EM 122 is based on more than 50 years of hydrographic experience with echo sounders, sonars and underwater positioning for civilian and military use. It is the latest model in a series of deep sea multibeam echo sounders started with the EM 12 in 1990 and followed by the EM 121 and the EM 120, of which about 40 systems are operational. It uses the same transducers as in the EM 120 but with new electronics and software. Compared with the EM 120 the EM 122 has up to four times the resolution in terms of sounding density through inclusion of multiping capability and more than twice the number of detections per swath. High density signal processing is a major improvement, to keep the acoustic footprint size small even for the outer beams in the swath. In typical ocean depths a sounding spacing of about 50 m across and along is achievable. The achievable swath width of the EM 122 is in the order of 30,000 m, or about 25% more than possible with the EM 120. This is obtained by using long FM chirps which gains about 15 dB in signal to noise ratio compared to CW pulses. The EM 122 is a complete system. All necessary sensor interfaces, data displays for quality control and sensor calibration, seabed visualization, and data logging are a standard part of the system, as is integrated seabed acoustical imaging capability (side scan). Including a higher frequency multibeam echo sounder such as EM 710 with the EM 122 system can give a total system solution meeting the strictest IHO requirements for all water depths. As proven with the EM 120, an accuracy of better than 0.2% of depth in deep waters is readily achievable with the EM 122. Knudsen CHIRP 3260 CHIRP 3260 Knudsen Engineering Limited http://knudseneng.com/products/chirp_3260 Chirp 3260 Echosounder Chirp 3260 Echosounder information information resourceProvider Knudsen CHIRP 3260 Echosounder The Chirp 3260 is designed for full ocean depth work where high transmit output power is a requirement. The Chirp 3260's 5U rackmount case can be fitted with up to six 2kW transmitter modules to output up to 12kW of total system power. The most common arrangement used by the research community worldwide is one 3.5 kHz channel configured for 10KW paired together with a 2KW, 12 kHz channel. Lockheed Martin Sippican eXpendable BathyThermograph/eXpendable Sound Velocimeter Sippican XBT/XSV Lockheed Martin Sippican, Inc. https://www.lockheedmartin.com/en-us/products/oceanographic-instrumentation.html Lockheed Martin Sippican eXpendable BathyThermograph/eXpendable Sound Velocimeter Lockheed Martin Sippican eXpendable BathyThermograph/eXpendable Sound Velocimeter information information resourceProvider Sippican XBT/XSV Temperature, Depth, Sound Velocity The Expendable Bathythermograph is used by scientists to provide an ocean temperature versus depth profile. Useful for oceanographic research, the XBT does not restrict ship mobility. The Expendable Sound Velocimeter obtains accurate sound velocity profiles for the support of ASW operations, mine countermeasure operations, and oceanographic research. Sea-Bird Electronics 911plus CTD SBE 911plus CTD Sea-Bird Electronics, Inc. 425-643-9866 425-643-9954 13431 NE 20th Street Bellevue WA 98005 USA seabird@seabird.com SBE 911plus CTD SBE 911plus CTD information information resourceProvider SBE 911plus CTD Conductivity, Temperature The 911plus, consisting of the 9plus underwater CTD and 11plus V2 Deck Unit, is a premium real-time CTD accurate to the highest international standards. It features high resolution sampling (24 Hz), pump-controlled T-C ducted flow, up to 10500 meter (15,000 psia) depth capability, maximum auxiliary sensor flexibility, and modem channel for Water Sampler control. The 911plus has eight 12-bit A/D channels, and supports redundant conductivity and temperature sensors or custom auxiliary digital inputs. Applanix POS/MV 320 POS/MV 320 Applanix Corporation 289-695-6000 905-709-6027 85 Leek Crescent Richmond Hill Ontario L4B3B3 Canada marine@applanix.com resourceProvider POS/MV 320 Attitude, Heading, Heave, Position, Velocity POS MV 320 is a tightly-coupled systems using Applanix' unique approach to Inertially-Aided Real-Time Kinematic (IARTK) technology. The user-friendly, turnkey system provides accurate attitude, heading, heave, position, and velocity data, representing the latest in state-of-the-art inertial/GPS technology. The system maintains positioning accuracy under the most demanding conditions, regardless of vessel dynamics..