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   set  data   graph     files  public SWFSC FED Mid Water Trawl Juvenile Rockfish Survey, CTD Data    ?   F   I   M   background (external link) RSS Subscribe NOAA SWFSC FED erdFedRockfishCtd

The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL cdm_altitude_proxy String depth
attribute NC_GLOBAL cdm_data_type String TrajectoryProfile
attribute NC_GLOBAL cdm_profile_variables String time
attribute NC_GLOBAL cdm_trajectory_variables String cruise
attribute NC_GLOBAL Conventions String COARDS, CF-1.6, ACDD-1.3
attribute NC_GLOBAL creator_email String Keith.Sakuma@noaa.gov
attribute NC_GLOBAL creator_name String Keith Sakuma
attribute NC_GLOBAL Easternmost_Easting double -117.323
attribute NC_GLOBAL featureType String TrajectoryProfile
attribute NC_GLOBAL geospatial_lat_max double 40.08583
attribute NC_GLOBAL geospatial_lat_min double 32.53783
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -117.323
attribute NC_GLOBAL geospatial_lon_min double -126.0017
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_max double 1992.0
attribute NC_GLOBAL geospatial_vertical_min double 0.0
attribute NC_GLOBAL geospatial_vertical_positive String down
attribute NC_GLOBAL geospatial_vertical_units String m
attribute NC_GLOBAL history String 2013-04-08 source files from Keith Sakuma (FED) to Lynn Dewitt (ERD) to Bob Simons (ERD)
2013-04-09 Bob Simons (bob.simons@noaa.gov) converted files from .csv to .nc
attribute NC_GLOBAL id String rockfish_casts_2011
attribute NC_GLOBAL infoUrl String https://swfsc.noaa.gov/GroundfishAnalysis/ (external link)
attribute NC_GLOBAL institution String NOAA SWFSC FED
attribute NC_GLOBAL keywords String Atmosphere > Altitude > Station Height,
Oceans > Ocean Chemistry > Chlorophyll,
Oceans > Ocean Optics > Attenuation/Transmission,
Oceans > Ocean Optics > Fluorescence,
Oceans > Ocean Temperature > Water Temperature,
Oceans > Salinity/Density > Density,
Oceans > Salinity/Density > Salinity,
altitude, atmosphere, attenuation, bucket, chemistry, chlorophyll, color, concentration, concentration_of_chlorophyll_in_sea_water, cruise, density, division, dynamic, ecology, fed, fisheries, fluorescence, from, height, identifier, irradiance, juvenile, mid, noaa, ocean, ocean color, oceans,
optical, optical properties, optics, properties, rockfish, salinity, sea, sea_water_practical_salinity, sea_water_temperature, seawater, station, survey, swfsc, tansmissivity, temperature, thermosal, time, transmission, trawl, voltage, water
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL license String The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.
attribute NC_GLOBAL Northernmost_Northing double 40.08583
attribute NC_GLOBAL sourceUrl String (local files; contact erd.data@noaa.gov)
attribute NC_GLOBAL Southernmost_Northing double 32.53783
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v29
attribute NC_GLOBAL subsetVariables String cruise,ctd_index,ctd_no,station,time,longitude,latitude
attribute NC_GLOBAL summary String SWFSC FED Mid Water Trawl Juvenile Rockfish Survey: CTD Data.
Surveys have been conducted along the central California coast in May/June
every year since 1983. In 2004 the survey area was expanded to cover the
entire coast from San Diego to Cape Mendocino. The survey samples a series
of fixed trawl stations using a midwater trawl. The midwater trawl survey
gear captures significant numbers of approximately 10 rockfish species during
their pelagic juvenile stage (i.e., 50-150 days old), by which time annual
reproductive success has been established. Catch-per-unit-effort data from
the survey are analyzed and serve as the basis for predicting future
recruitment to rockfish fisheries. Results for several species (e.g.,
bocaccio, chilipepper [S. goodei], and widow rockfish [S. entomelas]) have
shown that the survey data can be useful in predicting year-class strength
in age-based stock assessments.

The survey's data on YOY Pacific whiting has also been used in the stock
assessment process. To assist in obtaining additional northward spatial
coverage of YOY Pacific whiting off Oregon and Washington, in 2001 the
Pacific Whiting Conservation Cooperative in cooperation with the NOAA NMFS
Northwest Fisheries Science Center began a midwater trawl survey patterned
after the NOAA NMFS SWFSC Fisheries Ecology Division's (FED) existing survey.
Both surveys work cooperatively together each year in order to resolve
interannual abundance patterns of YOY rockfish and Pacific whiting on a
coastwide basis, which provides expedient, critical information that can be
used in the fisheries management process.

The large quantity of physical data collected during the surveys (e.g., CTD
with attached transimissometer and fluorometer, thermosalinometer, and ADCP)
have provided a better understanding of the hydrographic conditions off the
California coast and analysis of these data have been distributed through the
publication of NOAA NMFS Technical Memoranda.

For more information, see https://swfsc.noaa.gov/GroundfishAnalysis/ and
http://www.sanctuarysimon.org/projects/project_info.php?projectID=100118
attribute NC_GLOBAL time_coverage_end String 2011-05-26T09:48:00Z
attribute NC_GLOBAL time_coverage_start String 1987-05-24T02:10:00Z
attribute NC_GLOBAL title String SWFSC FED Mid Water Trawl Juvenile Rockfish Survey, CTD Data
attribute NC_GLOBAL Westernmost_Easting double -126.0017
variable cruise   String  
attribute cruise cf_role String trajectory_id
attribute cruise ioos_category String Identifier
attribute cruise long_name String Cruise
variable ctd_index   short  
attribute ctd_index actual_range short 0, 434
attribute ctd_index colorBarMaximum double 300.0
attribute ctd_index colorBarMinimum double 0.0
attribute ctd_index ioos_category String Identifier
attribute ctd_index long_name String CTD Index
variable ctd_no   short  
attribute ctd_no actual_range short 5, 6
attribute ctd_no colorBarMaximum double 7.0
attribute ctd_no colorBarMinimum double 1.0
attribute ctd_no ioos_category String Identifier
attribute ctd_no long_name String CTD Number
variable station   short  
attribute station actual_range short 109, 4070
attribute station colorBarMaximum double 5000.0
attribute station colorBarMinimum double 0.0
attribute station ioos_category String Identifier
attribute station long_name String Station
variable time   double  
attribute time _CoordinateAxisType String Time
attribute time actual_range double 5.488206E8, 1.30640328E9
attribute time axis String T
attribute time cf_role String profile_id
attribute time ioos_category String Time
attribute time long_name String Time
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time units String seconds since 1970-01-01T00:00:00Z
variable longitude   float  
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range float -126.0017, -117.323
attribute longitude axis String X
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable latitude   float  
attribute latitude _CoordinateAxisType String Lat
attribute latitude actual_range float 32.53783, 40.08583
attribute latitude axis String Y
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
variable depth   short  
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth actual_range short 0, 1992
attribute depth axis String Z
attribute depth colorBarMaximum double 2500.0
attribute depth colorBarMinimum double 0.0
attribute depth ioos_category String Location
attribute depth long_name String CTD Depth
attribute depth positive String down
attribute depth standard_name String depth
attribute depth units String m
variable temperature   float  
attribute temperature actual_range float 2.123, 21.493
attribute temperature colorBarMaximum double 32.0
attribute temperature colorBarMinimum double 0.0
attribute temperature ioos_category String Temperature
attribute temperature long_name String Temperature
attribute temperature units String degree_C
variable salinity   float  
attribute salinity actual_range float 26.0771, 34.9643
attribute salinity colorBarMaximum double 37.0
attribute salinity colorBarMinimum double 32.0
attribute salinity ioos_category String Salinity
attribute salinity long_name String Sea Water Practical Salinity
attribute salinity standard_name String sea_water_practical_salinity
attribute salinity units String PSU
variable density   float  
attribute density actual_range float 19.3393, 27.6615
attribute density colorBarMaximum double 28.0
attribute density colorBarMinimum double 20.0
attribute density ioos_category String Physical Oceanography
attribute density long_name String Density
attribute density standard_name String sea_water_density
attribute density units String kg m-3
variable dyn_hgt   float  
attribute dyn_hgt actual_range float 0.0, 1.938
attribute dyn_hgt colorBarMaximum double 2.0
attribute dyn_hgt colorBarMinimum double 0.0
attribute dyn_hgt ioos_category String Other
attribute dyn_hgt long_name String Dynamic Height
attribute dyn_hgt units String dynamic meter
variable irradiance   float  
attribute irradiance actual_range float -1.195, 2356.2
attribute irradiance colorBarMaximum double 2400.0
attribute irradiance colorBarMinimum double 0.0
attribute irradiance ioos_category String Optical Properties
attribute irradiance long_name String Irradiance from PAR
attribute irradiance units String microEinsteins m-2 s-1
variable fluor_volt   float  
attribute fluor_volt actual_range float 0.0, 3.4246
attribute fluor_volt colorBarMaximum double 4.0
attribute fluor_volt colorBarMinimum double 0.0
attribute fluor_volt ioos_category String Optical Properties
attribute fluor_volt long_name String Fluorescence Voltage
attribute fluor_volt units String volts
variable transmissivity   float  
attribute transmissivity actual_range float 0.05, 103.39
attribute transmissivity colorBarMaximum double 120.0
attribute transmissivity colorBarMinimum double 0.0
attribute transmissivity ioos_category String Optical Properties
attribute transmissivity long_name String Light Transmission
attribute transmissivity units String percent
variable chlorophyll   float  
attribute chlorophyll actual_range float 0.0, 140.1524
attribute chlorophyll colorBarMaximum double 30.0
attribute chlorophyll colorBarMinimum double 0.03
attribute chlorophyll colorBarScale String Log
attribute chlorophyll ioos_category String Ocean Color
attribute chlorophyll long_name String Concentration Of Chlorophyll In Sea Water
attribute chlorophyll standard_name String concentration_of_chlorophyll_in_sea_water
attribute chlorophyll units String ug L-1
variable oxygen_volt   float  
attribute oxygen_volt actual_range float 0.0, 4.5986
attribute oxygen_volt colorBarMaximum double 5.0
attribute oxygen_volt colorBarMinimum double 0.0
attribute oxygen_volt ioos_category String Dissolved O2
attribute oxygen_volt long_name String Oxygen Volt
attribute oxygen_volt units String volts
variable oxygen   float  
attribute oxygen actual_range float -4.165, 10.238
attribute oxygen colorBarMaximum double 10.0
attribute oxygen colorBarMinimum double 0.0
attribute oxygen ioos_category String Dissolved O2
attribute oxygen long_name String Dissolved Oxygen
attribute oxygen sensor String SBE model 43
attribute oxygen standard_name String volume_fraction_of_oxygen_in_sea_water
attribute oxygen units String mL L-1

This information is also available in other file formats (.csv, .htmlTable, .json, .mat, .nc, .tsv, .xhtml) via a RESTful web service.
 


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