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     data        files  public Acoustic backscatter data in relative decibels (one of three related datasets) from the
AL9801 cruise on the R/V Albatross IV in the Gulf of Maine and Georges Bank in 1998 (GB
project)
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The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL access_formats String .htmlTable,.csv,.json,.mat,.nc,.tsv
attribute NC_GLOBAL acquisition_description String ""
attribute NC_GLOBAL awards_0_award_nid String 54610
attribute NC_GLOBAL awards_0_award_number String unknown GB NSF
attribute NC_GLOBAL awards_0_funder_name String National Science Foundation
attribute NC_GLOBAL awards_0_funding_acronym String NSF
attribute NC_GLOBAL awards_0_funding_source_nid String 350
attribute NC_GLOBAL awards_0_program_manager String David L. Garrison
attribute NC_GLOBAL awards_0_program_manager_nid String 50534
attribute NC_GLOBAL awards_1_award_nid String 54626
attribute NC_GLOBAL awards_1_award_number String unknown GB NOAA
attribute NC_GLOBAL awards_1_funder_name String National Oceanic and Atmospheric Administration
attribute NC_GLOBAL awards_1_funding_acronym String NOAA
attribute NC_GLOBAL awards_1_funding_source_nid String 352
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL Conventions String COARDS, CF-1.6, ACDD-1.3
attribute NC_GLOBAL creator_email String info at bco-dmo.org
attribute NC_GLOBAL creator_name String BCO-DMO
attribute NC_GLOBAL creator_type String institution
attribute NC_GLOBAL creator_url String https://www.bco-dmo.org/ (external link)
attribute NC_GLOBAL data_source String extract_data_as_tsv version 2.3 19 Dec 2019
attribute NC_GLOBAL date_created String 2010-08-05T21:46:22Z
attribute NC_GLOBAL date_modified String 2020-01-27T20:58:43Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.2392.1
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/2392 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL instruments_0_acronym String Greene Bomber
attribute NC_GLOBAL instruments_0_dataset_instrument_nid String 788595
attribute NC_GLOBAL instruments_0_description String The Greene Bomber is a ENDECO V-fin towed body with overall dimensions of length: 139.7 cm; width at front: 66 cm; width at rear: 142.2 cm; height: 48.26 cm. It is constructed primarily of fiberglass. Since the early 1990's it has been towed just below the sea surface with acoustic and environmental sensors to provide continuous profiles of the water column acoustic backscattering and target strengths from zooplankton with a size range of ~ 1.5 mm to 100 mm, and sea surface environmental properties (temperature, salinity, and fluorescence). It was first used with a BioSonics dual-beam acoustic system operating at 420 kHz and 1 MHz or 120 and 420 kHz. The environmental sensing system (ESS) was the ESS used on MOCNESS. In 1997 the acoustics were changed to a HTI acousitic system with 120 and 420 kHz transducers. In 2010, two additional HTI transducers (43 and 200 kHz) were added. For additional detail see:

Wiebe, P. and C. Greene. 1994. The use of high frequency acoustics in the study of zooplankton spatial and temporal patterns. Proc. NIPR Symp. Polar Biol. 7: 133-157.

Wiebe, P.H., D. Mountain, T.K. Stanton, C. Greene, G. Lough, S. Kaartvedt, J. Dawson, and N. Copley. 1996. Acoustical study of the spatial distribution of plankton on Georges Bank and the relation of volume backscattering strength to the taxonomic composition of the plankton. Deep-Sea Research II. 43: 1971-2001.


Wiebe, PH; Stanton, T K; Benfield, M C; Mountain, D G; Greene, CH. 1997. High-frequency acoustic volume backscattering in the Georges Bank coastal region and its interpretation using scattering models. IEEE Journal of Oceanic Engineering22(3): 445-464.
attribute NC_GLOBAL instruments_0_instrument_name String Greene Bomber
attribute NC_GLOBAL instruments_0_instrument_nid String 427
attribute NC_GLOBAL keywords String bco, bco-dmo, biological, chemical, data, dataset, decibel, decibel_returns_1, decibel_returns_10, decibel_returns_11, decibel_returns_12, decibel_returns_13, decibel_returns_14, decibel_returns_15, decibel_returns_16, decibel_returns_17, decibel_returns_18, decibel_returns_19, decibel_returns_2, decibel_returns_20, decibel_returns_3, decibel_returns_4, decibel_returns_5, decibel_returns_6, decibel_returns_7, decibel_returns_8, decibel_returns_9, dmo, erddap, management, oceanography, office, preliminary, returns
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/2392/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/2392 (external link)
attribute NC_GLOBAL param_mapping String {'2392': {}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/2392/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_0_affiliation_acronym String WHOI
attribute NC_GLOBAL people_0_person_name String Peter H. Wiebe
attribute NC_GLOBAL people_0_person_nid String 50454
attribute NC_GLOBAL people_0_role String Principal Investigator
attribute NC_GLOBAL people_0_role_type String originator
attribute NC_GLOBAL people_1_affiliation String Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_1_affiliation_acronym String WHOI BCO-DMO
attribute NC_GLOBAL people_1_person_name String Ms Dicky Allison
attribute NC_GLOBAL people_1_person_nid String 50382
attribute NC_GLOBAL people_1_role String BCO-DMO Data Manager
attribute NC_GLOBAL people_1_role_type String related
attribute NC_GLOBAL project String GB
attribute NC_GLOBAL projects_0_acronym String GB
attribute NC_GLOBAL projects_0_description String The U.S. GLOBEC Georges Bank Program is a large multi- disciplinary multi-year oceanographic effort. The proximate goal is to understand the population dynamics of key species on the Bank - Cod, Haddock, and two species of zooplankton (Calanus finmarchicus and Pseudocalanus) - in terms of their coupling to the physical environment and in terms of their predators and prey. The ultimate goal is to be able to predict changes in the distribution and abundance of these species as a result of changes in their physical and biotic environment as well as to anticipate how their populations might respond to climate change.
The effort is substantial, requiring broad-scale surveys of the entire Bank, and process studies which focus both on the links between the target species and their physical environment, and the determination of fundamental aspects of these species' life history (birth rates, growth rates, death rates, etc).
Equally important are the modelling efforts that are ongoing which seek to provide realistic predictions of the flow field and which utilize the life history information to produce an integrated view of the dynamics of the populations.
The U.S. GLOBEC Georges Bank Executive Committee (EXCO) provides program leadership and effective communication with the funding agencies.
attribute NC_GLOBAL projects_0_geolocation String Georges Bank, Gulf of Maine, Northwest Atlantic Ocean
attribute NC_GLOBAL projects_0_name String U.S. GLOBEC Georges Bank
attribute NC_GLOBAL projects_0_project_nid String 2037
attribute NC_GLOBAL projects_0_project_website String http://globec.whoi.edu/globec_program.html (external link)
attribute NC_GLOBAL projects_0_start_date String 1991-01
attribute NC_GLOBAL publisher_name String Biological and Chemical Oceanographic Data Management Office (BCO-DMO)
attribute NC_GLOBAL publisher_type String institution
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL summary String Acoustic backscatter data in relative decibels (one of three related datasets) from the AL9801 cruise on the R/V Albatross IV in the Gulf of Maine and Georges Bank in 1998 (GLOBEC-Georges Bank project)
attribute NC_GLOBAL title String Acoustic backscatter data in relative decibels (one of three related datasets) from the AL9801 cruise on the R/V Albatross IV in the Gulf of Maine and Georges Bank in 1998 (GB project)
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.3
variable decibel_returns_1   String  
attribute decibel_returns_1 bcodmo_name String Acc_bksctr
attribute decibel_returns_1 description String relative decibel values
attribute decibel_returns_1 long_name String Decibel Returns 1
attribute decibel_returns_1 units String volts
variable decibel_returns_2   String  
attribute decibel_returns_2 bcodmo_name String Acc_bksctr
attribute decibel_returns_2 description String relative decibel values
attribute decibel_returns_2 long_name String Decibel Returns 2
attribute decibel_returns_2 units String volts
variable decibel_returns_3   String  
attribute decibel_returns_3 bcodmo_name String Acc_bksctr
attribute decibel_returns_3 description String relative decibel values
attribute decibel_returns_3 long_name String Decibel Returns 3
attribute decibel_returns_3 units String volts
variable decibel_returns_4   String  
attribute decibel_returns_4 bcodmo_name String Acc_bksctr
attribute decibel_returns_4 description String relative decibel values
attribute decibel_returns_4 long_name String Decibel Returns 4
attribute decibel_returns_4 units String volts
variable decibel_returns_5   String  
attribute decibel_returns_5 bcodmo_name String Acc_bksctr
attribute decibel_returns_5 description String relative decibel values
attribute decibel_returns_5 long_name String Decibel Returns 5
attribute decibel_returns_5 units String volts
variable decibel_returns_6   String  
attribute decibel_returns_6 bcodmo_name String Acc_bksctr
attribute decibel_returns_6 description String relative decibel values
attribute decibel_returns_6 long_name String Decibel Returns 6
attribute decibel_returns_6 units String volts
variable decibel_returns_7   String  
attribute decibel_returns_7 bcodmo_name String Acc_bksctr
attribute decibel_returns_7 description String relative decibel values
attribute decibel_returns_7 long_name String Decibel Returns 7
attribute decibel_returns_7 units String volts
variable decibel_returns_8   String  
attribute decibel_returns_8 bcodmo_name String Acc_bksctr
attribute decibel_returns_8 description String relative decibel values
attribute decibel_returns_8 long_name String Decibel Returns 8
attribute decibel_returns_8 units String volts
variable decibel_returns_9   String  
attribute decibel_returns_9 bcodmo_name String Acc_bksctr
attribute decibel_returns_9 description String relative decibel values
attribute decibel_returns_9 long_name String Decibel Returns 9
attribute decibel_returns_9 units String volts
variable decibel_returns_10   String  
attribute decibel_returns_10 bcodmo_name String Acc_bksctr
attribute decibel_returns_10 description String relative decibel values
attribute decibel_returns_10 long_name String Decibel Returns 10
attribute decibel_returns_10 units String volts
variable decibel_returns_11   String  
attribute decibel_returns_11 bcodmo_name String Acc_bksctr
attribute decibel_returns_11 description String relative decibel values
attribute decibel_returns_11 long_name String Decibel Returns 11
attribute decibel_returns_11 units String volts
variable decibel_returns_12   String  
attribute decibel_returns_12 bcodmo_name String Acc_bksctr
attribute decibel_returns_12 description String relative decibel values
attribute decibel_returns_12 long_name String Decibel Returns 12
attribute decibel_returns_12 units String volts
variable decibel_returns_13   String  
attribute decibel_returns_13 bcodmo_name String Acc_bksctr
attribute decibel_returns_13 description String relative decibel values
attribute decibel_returns_13 long_name String Decibel Returns 13
attribute decibel_returns_13 units String volts
variable decibel_returns_14   String  
attribute decibel_returns_14 bcodmo_name String Acc_bksctr
attribute decibel_returns_14 description String relative decibel values
attribute decibel_returns_14 long_name String Decibel Returns 14
attribute decibel_returns_14 units String volts
variable decibel_returns_15   String  
attribute decibel_returns_15 bcodmo_name String Acc_bksctr
attribute decibel_returns_15 description String relative decibel values
attribute decibel_returns_15 long_name String Decibel Returns 15
attribute decibel_returns_15 units String volts
variable decibel_returns_16   String  
attribute decibel_returns_16 bcodmo_name String Acc_bksctr
attribute decibel_returns_16 description String relative decibel values
attribute decibel_returns_16 long_name String Decibel Returns 16
attribute decibel_returns_16 units String volts
variable decibel_returns_17   String  
attribute decibel_returns_17 bcodmo_name String Acc_bksctr
attribute decibel_returns_17 description String relative decibel values
attribute decibel_returns_17 long_name String Decibel Returns 17
attribute decibel_returns_17 units String volts
variable decibel_returns_18   String  
attribute decibel_returns_18 bcodmo_name String Acc_bksctr
attribute decibel_returns_18 description String relative decibel values
attribute decibel_returns_18 long_name String Decibel Returns 18
attribute decibel_returns_18 units String volts
variable decibel_returns_19   String  
attribute decibel_returns_19 bcodmo_name String Acc_bksctr
attribute decibel_returns_19 description String relative decibel values
attribute decibel_returns_19 long_name String Decibel Returns 19
attribute decibel_returns_19 units String volts
variable decibel_returns_20   String  
attribute decibel_returns_20 bcodmo_name String Acc_bksctr
attribute decibel_returns_20 description String relative decibel values
attribute decibel_returns_20 long_name String Decibel Returns 20
attribute decibel_returns_20 units String volts

The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.


 
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