gov.noaa.ngdc.mgg.seismic:AT26-21_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 2020-05-06 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 Engineering 320 BR CHIRP Subbottom Data for the U.S. Mendocino Ridge 2015-01-13 publication NOAA National Centers for Environmental Information NCEI Metadata ID: gov.noaa.ngdc.mgg.seismic:AT26-21_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 Engineering 320 BR CHIRP subbottom 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. Pacific continental margins in order to obtain Raw Knudsen SEG-Y Datagram. These data are required to support any potential claim for an extended continental shelf 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 5500 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 and after the cruise. Andrew A. Armstrong - 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 2020-01-09 publication 9.1 NASA Goddard Space Flight Center, Earth Science Data and Information System https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords Global Change Master Directory (GCMD) Keywords The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords. information custodian Foot of the slope Raw datagrams Earth Science > Oceans > Marine Geophysics > Plate Tectonics Earth Science > Oceans > Ocean Acoustics > Acoustic Reflectivity Earth Science > Oceans > Ocean Acoustics > Acoustic Velocity theme Extended Continental Shelf Project Glossary of Terms Astoria, OR place Uncontrolled - Departure San Francisco, CA place Uncontrolled - Arrival Ocean > Pacific Ocean place Global Change Master Directory (GCMD) Location Keywords 2020-01-09 publication 9.1 NASA Goddard Space Flight Center, Earth Science Data and Information System https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords Global Change Master Directory (GCMD) Keywords The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords. information custodian U.S. Pacific margin place 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 dataCentre Global Change Master Directory (GCMD) Data Center Keywords 2020-01-09 publication 9.1 NASA Goddard Space Flight Center, Earth Science Data and Information System https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords Global Change Master Directory (GCMD) Keywords The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the 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). 2015: Raw Knudsen Engineering 320 BR CHIRP Subbottom Data for the U.S. Mendocino Ridge. NOAA National Centers for Environmental Information. Accessed [date]. otherRestrictions Please recognize the UNH/CCOM-JHC : Center for Coastal and Ocean Mapping/Joint Hydrographic Center, University of New Hampshire as the source of these data. The data are not intended for navigational purposes. The 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. eng; USA -136.43043 -123.40963 38.1508 45.61994 2014-09-23T21:02:06 2014-10-11T15:01:11 0001_2014_266_2102_LF_000 -124.90430 -124.78845 45.50658 45.61994 2014-09-23T21:02:06 2014-09-23T21:48:46 0001_2014_266_2148_LF_001 -125.02308 -124.90449 45.39115 45.50641 2014-09-23T21:48:48 2014-09-23T22:36:52 0001_2014_266_2236_LF_002 -125.15332 -125.02329 45.26908 45.39095 2014-09-23T22:36:54 2014-09-23T23:27:23 0001_2014_266_2327_LF_003 -125.30030 -125.15358 45.13422 45.26885 2014-09-23T23:27:26 2014-09-24T00:23:19 0001_2014_267_0023_LF_004 -125.43127 -125.30056 45.00395 45.13399 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2014-10-06T10:18:21 2014-10-06T11:59:12 0097_2014_279_1159_LF_153 -134.10850 -132.72963 40.42860 40.50167 2014-10-06T11:59:36 2014-10-06T17:59:21 0098_2014_279_1759_LF_154 -132.72733 -132.01039 40.50177 40.53994 2014-10-06T17:59:39 2014-10-06T21:00:01 0099_2014_279_2117_LF_155 -132.02348 -131.38183 40.53939 40.57339 2014-10-06T21:17:16 2014-10-06T23:59:13 0100_2014_279_2359_LF_156 -131.37950 -130.54417 40.57352 40.61868 2014-10-06T23:59:30 2014-10-07T03:29:04 0101_2014_280_0329_LF_157 -130.62866 -130.54199 40.61879 41.25019 2014-10-07T03:29:20 2014-10-07T06:54:11 0102_2014_280_0654_LF_158 -130.62835 -130.29967 41.25175 41.62349 2014-10-07T06:54:28 2014-10-07T09:16:15 0103_2014_280_0916_LF_159 -130.30376 -130.29660 41.62532 42.09087 2014-10-07T09:16:43 2014-10-07T11:48:28 0104_2014_280_1148_LF_160 -130.46164 -130.29708 42.09333 42.09672 2014-10-07T11:48:46 2014-10-07T12:24:58 0105_2014_280_1225_LF_161 -130.47068 -130.46194 41.65210 42.09643 2014-10-07T12:25:11 2014-10-07T14:46:36 0106_2014_280_1446_LF_162 -130.79216 -130.47098 41.29187 41.65059 2014-10-07T14:46:53 2014-10-07T17:12:35 0107_2014_280_1712_LF_163 -130.79164 -130.76181 41.06563 41.29026 2014-10-07T17:12:50 2014-10-07T18:21:46 0108_2014_280_1822_LF_164 -130.76491 -130.68457 41.06392 41.17032 2014-10-07T18:22:02 2014-10-07T19:41:39 0109_2014_280_1941_LF_165 -130.76508 -130.70324 40.64841 41.12169 2014-10-07T19:41:50 2014-10-07T22:06:57 0110_2014_280_2207_LF_166 -130.89362 -130.70364 40.64312 40.64689 2014-10-07T22:07:13 2014-10-07T22:52:28 0111_2014_280_2252_LF_167 -130.93711 -130.89386 40.64577 41.33311 2014-10-07T22:52:46 2014-10-08T02:25:54 0113_2014_281_0654_LF_171 -130.54745 -130.25862 42.05177 42.11455 2014-10-08T06:54:29 2014-10-08T07:58:15 0114_2014_281_0758_LF_172 -131.10328 -130.54871 41.27418 42.10693 2014-10-08T07:58:37 2014-10-08T12:42:51 0115_2014_281_1243_LF_173 -131.12366 -130.82812 41.05958 41.45907 2014-10-08T12:43:06 2014-10-08T16:29:12 0116_2014_281_1629_LF_174 -130.96918 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2014-10-09T19:41:12 2014-10-09T20:16:03 0126_2014_282_2016_LF_184 -131.33204 -130.14760 39.06208 39.14484 2014-10-09T20:16:23 2014-10-10T00:56:43 0127_2014_283_0056_LF_185 -131.33648 -131.33453 38.93080 39.06119 2014-10-10T00:57:07 2014-10-10T01:35:46 0128_2014_283_0136_LF_186 -131.33263 -130.98419 38.92923 38.95360 2014-10-10T01:36:33 2014-10-10T03:00:49 0129_2014_283_0300_LF_187 -130.98147 -130.90398 38.95379 38.95926 2014-10-10T03:01:09 2014-10-10T03:19:51 0130_2014_283_0324_LF_188 -131.09624 -130.90307 38.95396 39.03507 2014-10-10T03:24:15 2014-10-10T04:17:24 0131_2014_283_0421_LF_189 -131.09489 -130.87823 38.64845 39.03999 2014-10-10T04:21:05 2014-10-10T06:24:19 0132_2014_283_0624_LF_190 -130.87672 -129.22360 38.61414 38.66486 2014-10-10T06:24:40 2014-10-10T12:39:41 0133_2014_283_1239_LF_191 -129.22031 -129.04817 38.66510 38.67325 2014-10-10T12:40:03 2014-10-10T13:19:18 0134_2014_283_1755_LF_192 -127.85021 -126.84858 38.73444 38.83252 2014-10-10T17:55:33 2014-10-10T21:49:15 0135_2014_283_2152_LF_193 -126.83101 -126.54816 38.77056 38.83036 2014-10-10T21:53:08 2014-10-10T22:59:37 0136_2014_283_2259_LF_194 -126.54468 -126.29699 38.72384 38.76980 2014-10-10T23:00:11 2014-10-10T23:59:38 0137_2014_283_2359_LF_195 -126.29467 -125.10662 38.49591 38.72338 2014-10-10T23:59:55 2014-10-11T05:01:38 0137_2014_284_0501_LF_196 -125.10515 -124.92337 38.46012 38.49562 2014-10-11T05:01:52 2014-10-11T05:59:36 0138_2014_284_0559_LF_197 -124.92180 -124.05949 38.29185 38.45980 2014-10-11T05:59:51 2014-10-11T10:47:39 0138_2014_284_1047_LF_198 -124.05815 -123.54735 38.18351 38.29156 2014-10-11T10:47:54 2014-10-11T13:47:04 0138_2014_284_1347_LF_199 -123.54689 -123.40963 38.15080 38.18340 2014-10-11T13:47:09 2014-10-11T15:01:11 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 NASA Goddard Space Flight Center, Earth Science Data and Information System https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords Global Change Master Directory (GCMD) Keywords The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the 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 None (transfer size in MB) https://www.ncei.noaa.gov/metadata/geoportal/rest/metadata/item/gov.noaa.ngdc.mgg.seismic:AT26-21_SubbottomProfiler/html HTTPS Metadata Landing Page information https://www.ngdc.noaa.gov/trackline/request/?surveyIds=AT26-21 Request Trackline Data Download seismic data from this cruise. download 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 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 Differential-aided DGPS integrated into a POS/MV model 320 version 4 system. Positioning is accurate to better than 0.5 meters (at 95% confidence) during all surveying. All positioning is referenced to the WGS84 Datum. Vertical Positional Accuracy Report Depth errors are within 0.1% of water depth. Complete Unknown RAW data, not processed 2014-11-15T00:00:00 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. AT26-21 completed R/V Atlantis Atlantis 2012-05-15 creation Atlantis (AT) The research vessel (R/V) Atlantis is owned by the U.S. Navy and operated by WHOI for the oceanographic community. It is one of the most sophisticated research vessels afloat, and it is specifically outfitted for launching and servicing the Alvin human occupied submersible. Delivered to Woods Hole in April 1997, Atlantis was built with six science labs and storage spaces, precision navigation systems, seafloor mapping sonar, and satellite communications. The ship's three winches, three cranes, machine shop, and specialized hangars were specifically designed to support Alvin and other vehicles of the National Deep Submergence Facility. Woods Hole Oceanographic Institution (WHOI) United States http://argo.whoi.edu/ Argo project website information 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 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 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. 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. Teledyne RD Instruments Ocean Surveyor Acoustic Doppler Current Profiler Ocean Surveyor ADCP Teledyne RD Instruments http://www.teledynemarine.com/rdi/ Ocean Surveyor ADCP Ocean Surveyor ADCP information information resourceProvider Ocean Surveyor ADCP ADCP For over twenty years, Teledyne RD Instruments has been the preeminent supplier of Acoustic Doppler Current Profiling (ADCP) instrumentation for open ocean applications. Teledyne RDI's vessel-mounted Ocean Surveyor family of ADCPs continues to raise the bar, collecting detailed maps of the distribution of water currents and suspended materials through the water column and along the ship's path - at depths and resolutions previously considered unattainable. In real time, the ADCP is also used to aid in situ decision-making, to adapt field operations, and to understand current regime characteristics.