EK60 Water Column Sonar Data Collected During SE1208
Comparison of fishery-independent methods for sampling Main Hawaiian Islands Bottomfish
assemblages (SE1208, EK60). Optical, active acoustics, and research fishing data on
bottomfish abundance and biomass were collected over predetermined grids to compare
results of methodologies. Optical data were collected using a baited stationary Botcam,
a TOAD (tethered optical assessment device) camera, and a BRUVS (shallow water baited/unbaited
underwater video camera system). Acoustics data were collected using a narrow-beam
EK60 system operating at 38, 70, and 120 kHz frequencies. Research fishing was conducted
using hook-and-line on small boats. Biosampling on some of the fish was carried out
including measurement of length and weight and preservation of otoliths, gonads, and
stomach for post-survey analyses. Bottomfishing off the Sette were conducted simultaneously
with acoustics data collection to groundtruth the acoustics data. CTD-mounted video
camera drops we conducted simultaneously with acoustics recording to further groundtruth
the acoustics data.
- Cite as: Pacific Islands Fisheries Science Center. 2012. 'EK60 Water Column Sonar Data Collected During SE1208'. NOAA National Centers for Environmental Information. doi:10.7289/V5P26W2X [access date]
- SE1208_EK60
- doi:10.7289/V5P26W2X
- NCEI Metadata ID:gov.noaa.ngdc.mgg.wcd:SE1208_EK60
gov.noaa.ngdc.mgg.wcd:SE1208_EK60
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Ordering Instructions | Contact the NCEI Water Column Sonar Data Manager to order data. |
Distributor | NOAA National Centers for Environmental Information ncei.info@noaa.gov |
Dataset Point of Contact | NOAA National Centers for Environmental Information ncei.info@noaa.gov |
Dataset Point of Contact | Water Column Sonar Data Manager NOAA National Centers for Environmental Information (303) 497-4742 wcd.info@noaa.gov |
Time Period | 2012-09-25T00:00:00 to 2012-10-03T00:00:00 |
Spatial Reference System | urn:ogc:def:crs:EPSG::4326Vertical Datum: Unknown |
Spatial Bounding Box Coordinates |
West:-156.995140009622
East:-156.239029988959
South:20.8307699860745
North:20.290610011026
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Dataset Progress Status | Complete - production of the data has been completed |
Data Update Frequency | Not planned |
Purpose | The scientific objective of this cruise is to collect data on economically important Hawaii semi-demersal fish abundance and biomass using three methodologies: optical, experimental fishing, and active acoustics. Based on the results, a subset of methodologies, or a single methodology will be selected to provide the best possible estimates of abundance and biomass to be applied to stock assessment models. |
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Theme keywords | Global Change Master Directory (GCMD) Science Keywords
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Data Center keywords | Global Change Master Directory (GCMD) Data Center Keywords
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Instrument keywords | Global Change Master Directory (GCMD) Instrument Keywords
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Place keywords | International Hydrographic Organization (IHO) Sea Area ("Limits of Oceans and Seas"
publication S-23)
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Last Modified: 2020-06-03
For questions about the information on this page, please email:ncei.info@noaa.gov