Raw ODEC Bathy2000 CHIRP Subbottom Profiler - CHIRP High-Resolution Seismic Profile Data for the US Arctic Continental Margin
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title: Raw ODEC Bathy2000 CHIRP Subbottom Profiler - CHIRP High-Resolution Seismic Profile Data for the US Arctic Continental Margin
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abstract: ODEC Bathy2000 CHIRP subbottom profiler - CHIRP high-resolution Seismic Profile data were collected in Raw ODEC Bathy2000 CHIRP dat Datagram Format.
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 U.S. continental margins (slope and rise) in order to obtain high-resolution multibeam bathymetry. These data are required to support any potential claim for jurisdiction of an extended continental shelf by the United States under Article 76 of the United Nations Convention on the Law of the Sea (UNCLOS). The requirement is for the collection and processing of full-coverage multibeam sonar data and ancillary data in water depths of approximately 1000 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.
credit: Larry A. Mayer - UNH/CCOM-JHC : Center for Coastal and Ocean Mapping/Joint Hydrographic Center, University of New Hampshire
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keyword: Earth Science > Oceans > Bathymetry/Seafloor Topography > Bathymetry
keyword: Earth Science > Oceans > Marine Geophysics > Plate Tectonics
keyword: Earth Science > Oceans > Ocean Acoustics > Acoustic Reflectivity
keyword: Earth Science > Oceans > Ocean Acoustics > Acoustic Velocity
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otherConstraints: 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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otherConstraints: Cite as: UNH Center for Coastal and Ocean Mapping/Joint Hydrographic Center (CCOM/JHC). 2009: Raw ODEC Bathy2000 CHIRP Subbottom Profiler - CHIRP High-Resolution Seismic Profile Data for the US Arctic Continental Margin. NOAA National Centers for Environmental Information. Accessed [date].
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abstract: 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).
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useLimitation: 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.
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nameOfMeasure: Horizontal Positional Accuracy Report
evaluationMethodDescription: Horizontal positioning of the vessel was determined using p-code GPS, heading was determined from an Ashtech ADU5, roll, pitch and heave determined from a Applanix POS/MV version 3 GPS-aided inertial motion unit. All positioning is referenced to the WGS84 Datum.
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description: Individual soundings data were edited for fliers and then merged with navigation using CARIS HIPS software.
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title: ODEC Bathy-2000 CHIRP
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description: 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.
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organisationName: Knudsen Engineering Limited
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: http://knudseneng.com/products/chirp_3260
name: Chirp 3260 Echosounder
description: Chirp 3260 Echosounder information
function: (CI_OnLineFunctionCode) information
role: (CI_RoleCode) resourceProvider
identifier: (MD_Identifier)
code: Knudsen CHIRP 3260
type: Echosounder
description: 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.
instrument: (MI_Instrument)
citation: (CI_Citation)
title: Lockheed Martin Sippican eXpendable BathyThermograph/eXpendable Sound Velocimeter
date: (unknown)
identifier: (MD_Identifier)
code: Sippican XBT/XSV
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: Lockheed Martin Sippican, Inc.
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: https://www.lockheedmartin.com/content/dam/lockheed/data/ms2/documents/ocean/20050054_XBT_XSV_reader_page.pdf
name: Lockheed Martin Sippican eXpendable BathyThermograph/eXpendable Sound Velocimeter
description: Lockheed Martin Sippican eXpendable BathyThermograph/eXpendable Sound Velocimeter information
function: (CI_OnLineFunctionCode) information
role: (CI_RoleCode) resourceProvider
identifier: (MD_Identifier)
code: Sippican XBT/XSV
type: Temperature, Depth, Sound Velocity
description: 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.
instrument: (MI_Instrument)
citation: (CI_Citation)
title: Sea-Bird Electronics 911plus CTD
date: (unknown)
identifier: (MD_Identifier)
code: SBE 911plus CTD
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: Sea-Bird Electronics, Inc.
contactInfo: (CI_Contact)
phone: (CI_Telephone)
voice: 425-643-9866
facsimile: 425-643-9954
address: (CI_Address)
deliveryPoint: 13431 NE 20th Street
city: Bellevue
administrativeArea: WA
postalCode: 98005
country: USA
electronicMailAddress: seabird@seabird.com
onlineResource: (CI_OnlineResource)
linkage: https://www.ncei.noaa.gov/waf/OER-Media/EXCTD/EX_CTD_Junction_Connector_Configuration_and_Voltage_Channel_Setup-2020_Field_Season-OER_%20NCEI_Version.pdf
name: SBE 911plus CTD
description: SBE 911plus CTD information
function: (CI_OnLineFunctionCode) information
role: (CI_RoleCode) resourceProvider
identifier: (MD_Identifier)
code: SBE 911plus CTD
type: Conductivity, Temperature
description: 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.
instrument: (MI_Instrument)
citation: (CI_Citation)
title: Applanix POS/MV 320
date: (unknown)
identifier: (MD_Identifier)
code: POS/MV 320
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: Applanix Corporation
contactInfo: (CI_Contact)
phone: (CI_Telephone)
voice: 289-695-6000
facsimile: 905-709-6027
address: (CI_Address)
deliveryPoint: 85 Leek Crescent
city: Richmond Hill
administrativeArea: Ontario
postalCode: L4B3B3
country: Canada
electronicMailAddress: marine@applanix.com
role: (CI_RoleCode) resourceProvider
identifier: (MD_Identifier)
code: POS/MV 320
type: Attitude, Heading, Heave, Position, Velocity
description: 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..