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Dataset Title:  CalCOFI Continuous Underway Fish-Egg Sampler Subscribe RSS
Institution:  NOAA SWFSC   (Dataset ID: erdCalCOFIcufes)
Range: time = 1996-03-15T23:40:00Z to 2017-04-22T00:45:52Z
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";
  }
  sample_number {
    Int32 actual_range 1, 2342;
    String description "Integer sample identifier within cruise and ship";
    String ioos_category "Identifier";
    String long_name "Sample Number";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 8.269332e+8, 1.492821952e+9;
    String axis "T";
    String description "Datetime at start of the sample collection";
    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";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    String axis "Y";
    String description "Latitude at start of CUFES sample collection";
    String ioos_category "Location";
    String long_name "Start Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    String axis "X";
    String description "Longitude at start of CUFES sample collection";
    String ioos_category "Location";
    String long_name "Start Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  start_temperature {
    String description "Sea-surface temperature at start of sample collection";
    String ioos_category "Temperature";
    String long_name "Start Temperature";
    String units "degree C";
  }
  start_salinity {
    String description "Sea-surface salinity at start of sample collection";
    String ioos_category "Other";
    String long_name "Start Salinity";
    String units "psu";
  }
  start_wind_speed {
    String description "Wind Speed at start of sample collection";
    String ioos_category "Meteorology";
    String long_name "Start Wind Speed";
    String units "knots";
  }
  start_wind_direction {
    String description "Wind Direction at start of sample collection";
    String ioos_category "Meteorology";
    String long_name "Start Wind Direction";
    String units "degrees";
  }
  start_pump_speed {
    String description "CUFES pump speed at start of sample collection";
    String ioos_category "Other";
    String long_name "start_pump_speed";
    String units "M^3 per minute";
  }
  stop_time {
    Float64 actual_range 8.2693338e+8, 1.492822493e+9;
    String description "Datetime at end of the sample collection";
    String ioos_category "Time";
    String long_name "Stop Time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  stop_latitude {
    String description "Latitude at end of CUFES sample collection";
    String ioos_category "Location";
    String long_name "Stop Latitude";
    String units "degrees_north";
  }
  stop_longitude {
    String description "Longitude at stop of CUFES sample collection";
    String ioos_category "Location";
    String long_name "Stop Longitude";
    String units "degrees_east";
  }
  stop_temperature {
    String description "Sea-surface temperature at stop of sample collection";
    String ioos_category "Temperature";
    String long_name "Stop Temperature";
    String units "degree C";
  }
  stop_salinity {
    String description "Sea-surface salinity at stop of sample collection";
    String ioos_category "Other";
    String long_name "Stop Salinity";
    String units "psu";
  }
  stop_wind_speed {
    String description "Wind Speed at stop of sample collection";
    String ioos_category "Meteorology";
    String long_name "Stop Wind Speed";
    String units "knots";
  }
  stop_wind_direction {
    String description "Wind Direction at stop of sample collection";
    String ioos_category "Meteorology";
    String long_name "Stop Wind Direction";
    String units "degrees";
  }
  stop_pump_speed {
    String description "CUFES pump speed at stop of sample collection";
    String ioos_category "Other";
    String long_name "stop_pump_speed";
    String units "M^3 per minute";
  }
  sardine_eggs {
    String description "Number of sardine Sardinops sagax eggs captured in the sample";
    String ioos_category "Other";
    String long_name "Sardine Eggs";
    String units "count";
  }
  anchovy_eggs {
    String description "Number of anchovy Engraulis mordax eggs captured in the sample";
    String ioos_category "Other";
    String long_name "Anchovy Eggs";
    String units "count";
  }
  jack_mackerel_eggs {
    String description "Number of jack mackerel Trachurus symmetricus eggs captured in the sample";
    String ioos_category "Other";
    String long_name "Jack Mackerel Eggs";
    String units "count";
  }
  hake_eggs {
    String description "Number of hake Merluccius productus eggs captured in the sample";
    String ioos_category "Other";
    String long_name "hake_eggs";
    String units "count";
  }
  squid_eggs {
    String description "Number of unidentified squid eggs captured in the sample";
    String ioos_category "Other";
    String long_name "Squid Eggs";
    String units "count";
  }
  other_fish_eggs {
    String description "Number of unidentified fish eggs captured in the sample";
    String ioos_category "Other";
    String long_name "Other Fish Eggs";
    String units "count";
  }
  comments {
    String description "Miscellaneous comments about CUFES sample";
    String ioos_category "Other";
    String long_name "Comments";
  }
  resorted {
    String description "Boolean indicating whether the sample was resorted to verify counts";
    String ioos_category "Other";
    String long_name "Resorted";
  }
 }
  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,sardine_eggs&cruise=\"201504\"&sardine_eggs>=0";
    String featureType "Point";
    String geospatial_lat_units "degrees_north";
    String geospatial_lon_units "degrees_east";
    String history 
"2018-08-22T06:57:24Z (source database)
2018-08-22T06:57:24Z http://upwell.pfeg.noaa.gov/tabledap/erdCalCOFIcufes.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.";
    String project "CalCOFI";
    String publisher_email "ed.weber@noaa.gov";
    String publisher_name "Ed Weber";
    String sourceUrl "(source database)";
    String standard_name_vocabulary "CF-11";
    String subsetVariables "cruise,sample_number";
    String summary "Samples collected using the Continuous Underway Fish-Egg Sampler, known as CUFES. The data include numbers of anchovy, sardine, jack mackerel, squid, hake, and unidentified fish eggs captured, and associated environmental.";
    String time_coverage_end "2017-04-22T00:45:52Z";
    String time_coverage_start "1996-03-15T23:40:00Z";
    String title "CalCOFI Continuous Underway Fish-Egg Sampler";
  }
}

 

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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