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

The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL cdm_data_type String Trajectory
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 Trajectory
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 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 infoUrl String https://swfsc.noaa.gov/GroundfishAnalysis/ (external link)
attribute NC_GLOBAL institution String NOAA SWFSC FED
attribute NC_GLOBAL keywords String bottom, bucket, California, coast, cruise, ctd, data, depth, FED, fisheries, fixed, fluorometer, header, hydrographic, index, juvenile, latitude, longitude, midwater, NMFS, NOAA, pacific, rockfish, salinity, species, station, survey, SWFSC, temperature, thermosalinometer, time, transimissometer, trawl
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: Station Information and Surface 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, Surface Data
attribute NC_GLOBAL Westernmost_Easting double -126.0017
variable cruise   String  
attribute cruise cf_role String trajectory_id
attribute cruise comment String The first two digits are the last two digits of the year and the last two are the consecutive cruise number for that particular vessel (01, 02, 03, ...).
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 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 bottom_depth   short  
attribute bottom_depth actual_range short 27, 3600
attribute bottom_depth colorBarMaximum double 4000.0
attribute bottom_depth colorBarMinimum double 0.0
attribute bottom_depth ioos_category String Location
attribute bottom_depth long_name String Bottom Depth
attribute bottom_depth positive String down
attribute bottom_depth units String meters
variable bucket_temperature   float  
attribute bucket_temperature actual_range float 7.5, 20.8
attribute bucket_temperature colorBarMaximum double 32.0
attribute bucket_temperature colorBarMinimum double 0.0
attribute bucket_temperature ioos_category String Temperature
attribute bucket_temperature long_name String Bucket Temperature
attribute bucket_temperature standard_name String sea_water_temperature
attribute bucket_temperature units String degree_C
variable bucket_salinity   float  
attribute bucket_salinity actual_range float 27.9, 34.2
attribute bucket_salinity colorBarMaximum double 37.0
attribute bucket_salinity colorBarMinimum double 32.0
attribute bucket_salinity ioos_category String Salinity
attribute bucket_salinity long_name String Bucket Practical Salinity
attribute bucket_salinity standard_name String sea_water_practical_salinity
attribute bucket_salinity units String PSU
variable ts_temperature   float  
attribute ts_temperature actual_range float 7.35, 21.39
attribute ts_temperature colorBarMaximum double 32.0
attribute ts_temperature colorBarMinimum double 0.0
attribute ts_temperature comment String The intake for the water for the thermosalinomter is usually a few meters below the surface.
attribute ts_temperature ioos_category String Temperature
attribute ts_temperature long_name String Thermosalinomter Temperature
attribute ts_temperature standard_name String sea_water_temperature
attribute ts_temperature units String degree_C
variable ts_salinity   float  
attribute ts_salinity actual_range float 26.51, 34.494
attribute ts_salinity colorBarMaximum double 37.0
attribute ts_salinity colorBarMinimum double 32.0
attribute ts_salinity comment String The intake for the water for the thermosalinomter is usually a few meters below the surface.
attribute ts_salinity ioos_category String Salinity
attribute ts_salinity long_name String Thermosalinomter Practical Salinity
attribute ts_salinity standard_name String sea_water_practical_salinity
attribute ts_salinity units String PSU

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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