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Dataset Title:  CalCOFI Larvae Counts, Scientific Names NB to OL Subscribe RSS
Institution:  NOAA SWFSC   (Dataset ID: erdCalCOFIlrvcntNBtoOL)
Range: longitude = -179.822 to -77.228°E, latitude = 0.002 to 51.05°N, time = 1951-01-09T18:16:00Z to 2017-04-22T06:06:00Z
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | Data Access Form
 
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Things You Can Do With Your Graphs

Well, you can do anything you want with your graphs, of course. But some things you might not have considered are:

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  cruise {
    String description "Six-digit cruise code (YYYYMM)";
    String ioos_category "Identifier";
    String long_name "Cruise Code";
  }
  ship {
    String ioos_category "Identifier";
    String long_name "Ship Name";
  }
  ship_code {
    String description "Two-digit CalCOFI ship code";
    String ioos_category "Identifier";
    String long_name "Ship Code";
  }
  order_occupied {
    String description "Ordinal number in which the station was sampled for the cruise and ship";
    String ioos_category "Identifier";
    String long_name "Order Occupied";
  }
  tow_type {
    String description "Type of gear used to sample manta, mocness_1m, mocness_10m, oblique (C1 and CB nets), or vertical (CV and PV nets).";
    String ioos_category "Identifier";
    String long_name "Tow Type";
  }
  net_type {
    String description "Gear type. See CalCOFI Tow Types table";
    String ioos_category "Identifier";
    String long_name "Net Type";
  }
  tow_number {
    Int32 actual_range 1, 30;
    String description "Replicate tow number for the station, net type, and location";
    String ioos_category "Identifier";
    String long_name "Tow Number";
  }
  net_location {
    String description "Port or Starboard location of tow";
    String ioos_category "Identifier";
    String long_name "Net Location";
  }
  standard_haul_factor {
    String description "Number used to standardize oblique tows to catch per 10 meters squared of sea surface. See Kramer and Smith and Richardson references on the infosheet url for details.";
    String ioos_category "Other";
    String long_name "Standard Haul Factor";
  }
  volume_sampled {
    String description "Volume of water sampled by the net";
    String ioos_category "Other";
    String long_name "Volume Sampled";
    String units "cubic meters";
  }
  percent_sorted {
    String description "Proportion of the sample jar that was sorted in the laboratory";
    String ioos_category "Other";
    String long_name "Percent Sorted";
    String units "%/100";
  }
  sample_quality {
    String description "Qualitative estimate of net performance on a scale of 0 (worst) to 5";
    String ioos_category "Identifier";
    String long_name "Sample Quality";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 0.002, 51.05;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -179.822, -77.228;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  line {
    Float32 actual_range -28.0, 388.3;
    String description "CalCOFI line number";
    String ioos_category "Identifier";
    String long_name "Line";
  }
  station {
    Float32 actual_range -283.0, 815.5;
    String description "CalCOFI station number";
    String ioos_category "Identifier";
    String long_name "Station";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range -5.9885904e+8, 1.49284116e+9;
    String axis "T";
    String description "Start of tow";
    String ioos_category "Time";
    String long_name "Start Time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  scientific_name {
    String ioos_category "Other";
    String long_name "Scientific Name";
  }
  common_name {
    String ioos_category "Other";
    String long_name "Common Name";
  }
  itis_tsn {
    String description "Integrated taxonomic information system taxonomic serial number. http://www.itis.gov/";
    String ioos_category "Other";
    String long_name "Intergrated Taxomomic Information System Taxonomic Serial Number";
  }
  calcofi_species_code {
    Int32 actual_range 281, 9805;
    String ioos_category "Other";
    String long_name "CalCOFI Species Code";
  }
  larvae_count {
    String ioos_category "Other";
    String long_name "Raw count of larvae";
  }
  larvae_10m2 {
    String ioos_category "Other";
    String long_name "Standardized count of larvae for oblique tows";
    String units "Fish larvae per ten meters squared of water sampled";
  }
  larvae_1000m3 {
    String ioos_category "Other";
    String long_name "Standardized count of larvae for manta tows";
    String units "Fish larvae per 1,000 cubic meters of water sampled";
  }
 }
  NC_GLOBAL {
    String acknowledgment "National Oceanic and Atmospheric Administration, California Department of Fish and Wildlife, University of California, San Diego Scripps Institution";
    String cdm_data_type "Point";
    String Conventions "COARDS, CF-1.0, Unidata Dataset Discovery v1.0, NCCSV-1.0";
    String date_issued "2016-05-24";
    String date_modified "2016-05-24";
    String defaultGraphQuery "longitude,latitude,larvae_count&cruise=\"201504\"&.colorBar=|||0|10|";
    Float64 Easternmost_Easting -77.228;
    String featureType "Point";
    Float64 geospatial_lat_max 51.05;
    Float64 geospatial_lat_min 0.002;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -77.228;
    Float64 geospatial_lon_min -179.822;
    String geospatial_lon_units "degrees_east";
    String history 
"2018-04-26T11:56:47Z (source database)
2018-04-26T11:56:47Z http://upwell.pfeg.noaa.gov/tabledap/erdCalCOFIlrvcntNBtoOL.das";
    String infoUrl "https://oceanview.pfeg.noaa.gov/CalCOFI/calcofi_info.html";
    String institution "NOAA SWFSC";
    String license 
"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.";
    Float64 Northernmost_Northing 51.05;
    String project "CalCOFI";
    String publisher_email "ed.weber@noaa.gov";
    String publisher_name "Ed Weber";
    String sourceUrl "(source database)";
    Float64 Southernmost_Northing 0.002;
    String standard_name_vocabulary "CF-11";
    String subsetVariables "cruise, station, line, tow_type,net_type,net_location, tow_number, calcofi_species_code,common_name,scientific_name";
    String summary "Fish larvae counts and standardized counts for larvae captured in CalCOFI icthyoplankton nets (primarily vertical [Calvet or Pairovet], oblique [bongo or ring nets], and surface tows [Manta nets]). Surface tows are normally standardized to count per 1,000 m3 strained. Oblique tows are normally standardized to count per 10 m2 of surface sampled. This table includes all tows by species, even if zero larvae were captured for the species, i.e., negative tows. The \"Larvae Counts Positive Tows\" table includes only tows where one or more larvae were captured for the species selected by the user.";
    String time_coverage_end "2017-04-22T06:06:00Z";
    String time_coverage_start "1951-01-09T18:16:00Z";
    String title "CalCOFI Larvae Counts, Scientific Names NB to OL";
    Float64 Westernmost_Easting -179.822;
  }
}

 

Using tabledap to Request Data and Graphs from Tabular Datasets

tabledap lets you request a data subset, a graph, or a map from a tabular dataset (for example, buoy data), via a specially formed URL. tabledap uses the OPeNDAP (external link) Data Access Protocol (DAP) (external link) and its selection constraints (external link).

The URL specifies what you want: the dataset, a description of the graph or the subset of the data, and the file type for the response.

Tabledap request URLs must be in the form
https://upwell.pfeg.noaa.gov/erddap/tabledap/datasetID.fileType{?query}
For example,
https://upwell.pfeg.noaa.gov/erddap/tabledap/pmelTaoDySst.htmlTable?longitude,latitude,time,station,wmo_platform_code,T_25&time>=2015-05-23T12:00:00Z&time<=2015-05-31T12:00:00Z
Thus, the query is often a comma-separated list of desired variable names, followed by a collection of constraints (e.g., variable<value), each preceded by '&' (which is interpreted as "AND").

For details, see the tabledap Documentation.


 
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