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Dataset Title:  GLOBEC NEP Northern California Current Cetacean Survey Data, NH0005, 2000-
2000, 0007
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Institution:  GLOBEC   (Dataset ID: erdGlobecCetaceans)
Range: longitude = -126.0422 to -122.9683°E, latitude = 37.917 to 44.6855°N, time = 2000-05-31T20:49:40Z to 2000-08-12T02:55:11Z
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_id {
    String cf_role "trajectory_id";
    String comment "NH = R/V New Horizon";
    String ioos_category "Identifier";
    String long_name "Cruise ID";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 _FillValue NaN;
    Float32 actual_range -126.0422, -122.9683;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    Float32 missing_value NaN;
    String standard_name "longitude";
    String units "degrees_east";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 _FillValue NaN;
    Float32 actual_range 37.917, 44.6855;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    Float32 missing_value NaN;
    String standard_name "latitude";
    String units "degrees_north";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 9.5980618e+8, 9.66048911e+8;
    String axis "T";
    Float64 colorBarMaximum 9.661248e+8;
    Float64 colorBarMinimum 9.597312e+8;
    String ioos_category "Time";
    String long_name "Time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  common_name {
    String ioos_category "Taxonomy";
    String long_name "Common Name";
  }
  species {
    String ioos_category "Taxonomy";
    String long_name "Species";
  }
  species_code {
    Byte _FillValue 127;
    Byte actual_range 21, 76;
    Float64 colorBarMaximum 80.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Taxonomy";
    String long_name "Species Code";
    Byte missing_value 127;
  }
  effort_type {
    Byte _FillValue 127;
    Byte actual_range 1, 2;
    Float64 colorBarMaximum 2.0;
    Float64 colorBarMinimum 0.0;
    String comment "1 for sighting from 25 x 150 binoculars, 2 for sighting with 7 x 50 binoculars or by eye";
    String ioos_category "Other";
    String long_name "Effort Type";
    Byte missing_value 127;
  }
  number {
    Byte _FillValue 127;
    Byte actual_range 1, 120;
    Float64 colorBarMaximum 125.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Other";
    String long_name "Best Estimate of Number of Animals Sighted";
    Byte missing_value 127;
    String units "count";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Trajectory";
    String cdm_trajectory_variables "cruise_id";
    String Conventions "COARDS, CF-1.6, ACDD-1.3, NCCSV-1.0";
    Float64 Easternmost_Easting -122.9683;
    String featureType "Trajectory";
    Float64 geospatial_lat_max 44.6855;
    Float64 geospatial_lat_min 37.917;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -122.9683;
    Float64 geospatial_lon_min -126.0422;
    String geospatial_lon_units "degrees_east";
    String history 
"2018-07-20T12:51:07Z (local files; contact erd.data@noaa.gov)
2018-07-20T12:51:07Z http://upwell.pfeg.noaa.gov/tabledap/erdGlobecCetaceans.das";
    String id "Globec_cetaceans";
    String infoUrl "http://www.globec.org/";
    String institution "GLOBEC";
    String keywords "animals, aquatic, best, biological, biosphere, california, cetacean, classification, coastal, code, common, cruise, current, data, Earth Science > Biological Classification > Animals/Vertebrates > Mammals > Cetacean, Earth Science > Biosphere > Aquatic Ecosystems > Coastal Habitat, Earth Science > Biosphere > Aquatic Ecosystems > Marine Habitat, ecosystems, effort, estimate, globec, habitat, identifier, mammals, marine, name, nep, nh0005, northern, number, sighted, species, survey, taxonomy, time, type, vertebrates";
    String keywords_vocabulary "GCMD Science Keywords";
    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 naming_authority "gov.noaa.pfeg.coastwatch";
    Float64 Northernmost_Northing 44.6855;
    String references "Cynthia T. Tynan, David G. Ainley, John A. Barth, Timothy J. Cowles, Stephen D. Pierce and Larry B. Spear, 2005. Cetacean distributions relative to ocean processes in the northern California Current System Deep Sea Research Part II: Topical Studies in Oceanography, Volume 52, Issues 1-2, January 2005, Pages 145-167";
    String sourceUrl "(local files; contact erd.data@noaa.gov)";
    Float64 Southernmost_Northing 37.917;
    String standard_name_vocabulary "CF Standard Name Table v55";
    String subsetVariables "cruise_id, longitude, latitude, time, common_name, species, species_code, effort_type, number";
    String summary 
"GLOBEC (GLOBal Ocean ECosystems Dynamics) NEP (Northeast Pacific)
Northern California Current Cetacean Survey Data from R/V New Horizon cruises NH0005 and 0007.

Line-transect surveys of cetaceans were conducted during two cruises of the GLOBEC Northeast Pacific Northern California Current (NCC) program in 2000: May 29 -June 13 and July 27 - August 12.   Surveys were conducted across the shelf and slope off Oregon and northern California (41.9 - 44.65N) from the coast to ~125.5W.   Surveys were conducted in passing mode while the R/V New Horizon was in transit between stations for hydrographic and zooplankton sampling.   Observations were conducted from the flying bridge during daylight (~0600 to 2030) whenever sufficient visibility (i.e., > 2 nm) and weather (i.e., < Beaufort 6) allowed.   Two observers simultaneously surveyed to the horizon with 25 x 150 binoculars, equipped with compass and reticle.   Each observer surveyed a 100 degree arc from 10 degrees off the bow (opposite side) to 90 degrees on their side of the ship.   A third observer focused on the track-line by eye, aided with 7 x 50 hand-held binoculars.   Sightings were entered immediately on a laptop computer connected to the ship's GPS system.   Positions of all sightings were corrected to reflect the actual location of the cetaceans, rather than the ship's position.   The height from the surface of the water to the eyes of observers on the 25 x 150 binoculars was 10.87 m.

For more information, see:
http://cis.whoi.edu/science/bcodmo/dataset.cfm?id=10055&flag=view
or
http://globec.whoi.edu/jg/info/globec/nep/ccs/cetaceans%7Bdir=globec.whoi.edu/jg/dir/globec/nep/ccs/,data=globec.whoi.edu/jg/serv/globec/nep/ccs/cetaceans.html0%7D

Contact PIs:
Cynthia T. Tynan, ctynan@whoi.edu, Woods Hole Oceanographic Institution
David G. Ainley, dainley@penguinscience.com, H.T. Harvey & Associates";
    String time_coverage_end "2000-08-12T02:55:11Z";
    String time_coverage_start "2000-05-31T20:49:40Z";
    String title "GLOBEC NEP Northern California Current Cetacean Survey Data, NH0005, 2000-2000, 0007";
    Float64 Westernmost_Easting -126.0422;
  }
}

 

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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