gov.noaa.ncei:AMLR_krill-densities_2001-2011 eng; USA utf8 series Water Column Sonar Series-Level Metadata 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 2023-02-22T16:36:31 ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) surface 0 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 Vertical Datum: Unknown Vertical Datum: Unknown AMLR_krill-densities_2001-2011 2001-01-16 creation 2023-02-07 publication NOAA National Centers for Environmental Information AMLR_krill-densities_2001-2011 International DOI Foundation (IDF) doi:https://doi.org/10.25921/akjq-eq14 NOAA National Centers for Environmental Information NCEI Metadata ID:AMLR_krill-densities_2001-2011 NOAA National Centers for Environmental Information custodian NOAA National Centers for Environmental Information publisher Christian Reiss NOAA/NMFS/SWFSC/AERD Oceanographer 858-546-7127 8901 La Jolla Shores Drive La Jolla CA 92037 USA christian.reiss@noaa.gov principalInvestigator George Watters principalInvestigator Anthony Cossio NOAA/NMFS/SWFSC/AERD Fisheries Research Biologist 858-546-5609 8901 La Jolla Shores Drive La Jolla Ca 92037 USA anthony.cossio@noaa.gov principalInvestigator Doug Kinzey principalInvestigator Sam Woodman principalInvestigator DOC/NOAA/NMFS/SWFSC > Southwest Fisheries Science Center 858-546-7000 8901 La Jolla Shores Dr. La Jolla CA 92037 USA author Acoustic densities of Antarctic krill in Scotia Sea from 01162001 to 03032011. Data were collected from research vessels using either Simrad EK500 (years 2001-2004) or Simrad EK60 (2005-2011) echosounders operating at 3 different frequencies (38, 120, and 200 kHz). Raw acoustic data were collected from calibrated echosounders and archived on the vessel and later on shore-based servers. The datasets were ultimately returned to the SWFSC for QA/QC, archiving and review. Krill were identified from these acoustic data using the distorted-wave Born approximation. (Reiss et al., 2008; Fielding et al., 2011). Data were exported using Echoview into gridded bins 5 m deep by 100 m horizontal over a total depth range of 5 m to a maximum of 505 m below the hulls of survey vessels. Study acoustic densities (Sv) attributed to Antarctic krill collected during U.S. AMLR research surveys of four strata around the Antarctic Peninsula (CCAMLR Subarea 48.1). completed 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 NOAA National Centers for Environmental Information Water Column Sonar Data Manager (303) 497-4742 325 Broadway, Mail Code E/NE42 Boulder CO 80305-3328 USA wcd.info@noaa.gov pointOfContact notPlanned Scotia Sea place International Hydrographic Organization (IHO) Sea Area ("Limits of Oceans and Seas" publication S-23) 2010-08-24 revision International Hydrographic Organization (IHO) Sea Area ("Limits of Oceans and Seas" publication S-23) https://iho.int/ International Hydrographic Organization (IHO) Sea Area ("Limits of Oceans and Seas" publication S-23) Publication of Sea Areas is maintained by IHO. information resourceProvider 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 Vertical Location > Water Column 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 In Situ/Laboratory Instruments > Profilers/Sounders > Acoustic Sounders > WCMS > Water Column Mapping System instrument Global Change Master Directory (GCMD) Instrument 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 Cite as: NOAA Southwest Fisheries Science Center. 2023. Acoustic Densities of Antarctic Krill from 2001-2011. NOAA National Centers for Environmental Information. https://doi.org/10.25921/akjq-eq14 [access date] otherRestrictions Resource may not be available for up to one year after initial collection. 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. Not subject to copyright protection within the United States. U.S. Antarctic Marine Living Resources (AMLR) Program - acoustic densities of Antarctic krill. largerWorkCitation program eng; USA oceans geoscientificInformation -64 -43 -65 -58 2001-01-16T00:00:00 2011-03-03T11:59:59 Trackline physicalMeasurement 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 Free Contact the NCEI Water Column Sonar Data Manager to order data. https://www.ncei.noaa.gov/maps/water-column-sonar/ HTTPS Water Column Sonar Data Map Viewer Interactive map viewer to allow discovery and access to water column sonar data search https://registry.opendata.aws/ncei-wcsd-archive/ HTTPS AWS Cloud Storage Bucket AWS Cloud Storage to provide additional public access to water column sonar data through the NOAA Open Data Dissemination project (NODD) download https://www.ngdc.noaa.gov/mgg/wcd/ HTTPS Water Column Sonar Data Archive Homepage Web page containing information on the water column sonar data archive. information series Horizontal Positional Accuracy Positional accuracy dependent on navigation GPS, ship motion correction, and sound velocity profile accuracy. true Vertical Positional Accuracy Vertical accuracy is dependent on navigation GPS and ship motion corrections. true Processed data files 2001-01-16T00:00:00 Christian Reiss NOAA/NMFS/SWFSC/AERD Oceanographer 858-546-7127 8901 La Jolla Shores Drive La Jolla CA 92037 USA christian.reiss@noaa.gov principalInvestigator series Parameter or Variable: acoustic densities krill (s[A]) (measured); Temporal Coverage: 2001 to 2011 (leg 1 - January samples) and from 2005 to 2011 (leg 2 - February to March); Bins: 5 m deep by 100 m horizontal over a total depth range of 5 m to a maximum of 505 m below the survey vessels’ hulls; Units: m2 nmi-2; Observation Category: in situ; Sampling Instrument: echosounder; Sampling and Analyzing Method: Research vessels using either Simrad EK500 (years 2001-2004) or Simrad EK60 (2005-2011) echosounders operating at 3 different frequencies (38, 120, and 200 kHz).; Data Quality Method: Fielding, S., Watkins, J.L., Cossio, A., Reiss, C., Watters, G., Calise, L., Skaret, G., Takao, Y., Zhao, X., Agnew, D. Ramm, D., Reid, K. 2011. The ASAM 2010 assessment of krill biomass for area 48 from the Scotia Sea CCAMLR 2000 synoptic survey. CCAMLR WG-EMM-11/20. Reiss, C.S., Cossio, A.M., Loeb, V., Demer, D.A. 2008. Variations in the biomass of Antarctic krill (Euphausia superba) around the South Shetland Islands, 1996-2006. ICES Journal of Marine Science. 65: 497-508.. series Reiss, C.S., Cossio, A.M., Loeb, V., Demer, D.A. 2008. Variations in the biomass of Antarctic krill (Euphausia superba) around the South Shetland Islands, 1996-2006. ICES Journal of Marine Science. 65: 497-508. Kinzey, D., Watters, G.M., Reiss, C.S. 2015. Selectivity and two biomass measures in an age-based assessment of Antarctic krill (Euphausia superba). Fisheries Research, 168: 72–84 Kinzey, D., Cossio, A.M., Reiss, C.S., Watters, G.M. 2022. Acoustic sampling of Antarctic krill with simulated underwater buoyancy gliders: Does the sawtooth dive pattern work? Front. Mar. Sci., Volume 9 - 2022. https://doi.org/10.3389/fmars.2022.1064181