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Dataset Title:  [GP15 Particle birefringence photon yield and particle beam attenuation
coefficient derived from McLane logging CTD] - Particle birefringence photon
yield and particle beam attenuation coefficient derived from a logging CTD
deployed during McLane Pump casts on the US GEOTRACES Pacific Meridional
Transect (PMT) cruise (GP15) on R/V Roger Revelle from Sept-Nov 2018 (US
GEOTRACES Pacific Meridional Transect (GP15))
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Institution:  BCO-DMO   (Dataset ID: bcodmo_dataset_941463_v1)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Files | Make a graph
 
Variable ?   Optional
Constraint #1 ?
Optional
Constraint #2 ?
   Minimum ?
 
   Maximum ?
 
 station (unitless) ?          "10"    "8"
 latitude (degrees_north) ?          -20.0    55.08
  < slider >
 longitude (Long, degrees_east) ?          -155.72    -152.0
  < slider >
 jdays (unitless) ?          267.5139    326.4084
 time (Iso_datetime_utc, UTC) ?          2018-09-24T12:20:00Z    2018-11-22T09:48:00Z
  < slider >
 track_km (kilometers (km)) ?          121    8549
 PPZ_depth (m) ?          65.0    231.0
 depth (m) ?          6.26805    499.955
  < slider >
 depth_n (unitless) ?          1    5
 press (decibars (db)) ?          6.28133    504.834
 temp (degrees Celsius) ?          3.406937    29.79538
 temp_sd (degrees Celsius) ?          -9999.0    2.538686
 sal (practical salinity units (PSU)) ?          -9999.0    36.4243
 sal_sd (practical salinity units (PSU)) ?          -9999.0    0.4077354
 pic011Biref_av (parts per million per meter (ppm m-1)) ?          -9999.0    14.29278
 pic011Biref_av_sd (parts per million per meter (ppm m-1)) ?          -9999.0    8.32781
 pic011Biref_av_n (unitless) ?          0    5
 cp1450_av (parts per million per meter (ppm m-1)) ?          0.008573    0.2791596
 cp1450_av_sd (parts per million per meter (ppm m-1)) ?          -9999.0    0.04131413
 cp1450_av_n (unitless) ?          1    5
 chl_av (milligrams per cubic meter (mg/m3)) ?          -0.047685    2.681
 chl_av_sd (milligrams per cubic meter (mg/m3)) ?          -9999.0    0.4629509
 chl_av_n (unitless) ?          1    5
 mFTU_av (mFTU) ?          -9999.0    198.3969
 mFTU_av_sd (mFTU) ?          -9999.0    23.3119
 mFTU_av_n (unitless) ?          0    5
 
Server-side Functions ?
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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  station {
    String long_name "Station";
    String units "unitless";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range -20.0, 55.08;
    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 -155.72, -152.0;
    String axis "X";
    String ioos_category "Location";
    String long_name "Long";
    String standard_name "longitude";
    String units "degrees_east";
  }
  jdays {
    Float32 actual_range 267.5139, 326.4084;
    String long_name "Jdays";
    String units "unitless";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.5377916e+9, 1.54288008e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "Iso_datetime_utc";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  track_km {
    Int32 actual_range 121, 8549;
    String long_name "Track_km";
    String units "kilometers (km)";
  }
  PPZ_depth {
    Float32 actual_range 65.0, 231.0;
    String long_name "Ppz_depth";
    String units "m";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float32 actual_range 6.26805, 499.955;
    String axis "Z";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  depth_n {
    Int32 actual_range 1, 5;
    String long_name "Depth_n";
    String units "unitless";
  }
  press {
    Float32 actual_range 6.28133, 504.834;
    String long_name "Press";
    String units "decibars (db)";
  }
  temp {
    Float32 actual_range 3.406937, 29.79538;
    String long_name "Temp";
    String units "degrees Celsius";
  }
  temp_sd {
    Float32 actual_range -9999.0, 2.538686;
    String long_name "Temp_sd";
    String units "degrees Celsius";
  }
  sal {
    Float32 actual_range -9999.0, 36.4243;
    String long_name "Sal";
    String units "practical salinity units (PSU)";
  }
  sal_sd {
    Float32 actual_range -9999.0, 0.4077354;
    String long_name "Sal_sd";
    String units "practical salinity units (PSU)";
  }
  pic011Biref_av {
    Float32 actual_range -9999.0, 14.29278;
    String long_name "Pic011biref_av";
    String units "parts per million per meter (ppm m-1)";
  }
  pic011Biref_av_sd {
    Float32 actual_range -9999.0, 8.32781;
    String long_name "Pic011biref_av_sd";
    String units "parts per million per meter (ppm m-1)";
  }
  pic011Biref_av_n {
    Int32 actual_range 0, 5;
    String long_name "Pic011biref_av_n";
    String units "unitless";
  }
  cp1450_av {
    Float32 actual_range 0.008573, 0.2791596;
    String long_name "Cp1450_av";
    String units "parts per million per meter (ppm m-1)";
  }
  cp1450_av_sd {
    Float32 actual_range -9999.0, 0.04131413;
    String long_name "Cp1450_av_sd";
    String units "parts per million per meter (ppm m-1)";
  }
  cp1450_av_n {
    Int32 actual_range 1, 5;
    String long_name "Cp1450_av_n";
    String units "unitless";
  }
  chl_av {
    Float32 actual_range -0.047685, 2.681;
    String long_name "Chl_av";
    String units "milligrams per cubic meter (mg/m3)";
  }
  chl_av_sd {
    Float32 actual_range -9999.0, 0.4629509;
    String long_name "Chl_av_sd";
    String units "milligrams per cubic meter (mg/m3)";
  }
  chl_av_n {
    Int32 actual_range 1, 5;
    String long_name "Chl_av_n";
    String units "unitless";
  }
  mFTU_av {
    Float32 actual_range -9999.0, 198.3969;
    String long_name "Mftu_av";
    String units "mFTU";
  }
  mFTU_av_sd {
    Float32 actual_range -9999.0, 23.3119;
    String long_name "Mftu_av_sd";
    String units "mFTU";
  }
  mFTU_av_n {
    Int32 actual_range 0, 5;
    String long_name "Mftu_av_n";
    String units "unitless";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Other";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_email "info@bco-dmo.org";
    String creator_name "BCO-DMO";
    String creator_url "https://www.bco-dmo.org/";
    String defaultDataQuery "&amp;time&lt;now";
    String doi "10.26008/1912/bco-dmo.941463.1";
    Float64 Easternmost_Easting -152.0;
    Float64 geospatial_lat_max 55.08;
    Float64 geospatial_lat_min -20.0;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -152.0;
    Float64 geospatial_lon_min -155.72;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 499.955;
    Float64 geospatial_vertical_min 6.26805;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2025-02-10T06:56:57Z (local files)
2025-02-10T06:56:57Z https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_941463_v1.html";
    String infoUrl "https://www.bco-dmo.org/dataset/941463";
    String institution "BCO-DMO";
    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 55.08;
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing -20.0;
    String summary "This data set was derived from a logging CTD deployed during McLane Pump casts as part of the GEOTRACES Pacific Meridional Transect (GP15 expedition). There are several related data files provided. The primary data files include: (1) data for the 0-500 meters (m) depth interval, including measures of particle birefringence photon yield (units of parts per million per meter) and particle beam attenuation coefficient (units of per meter); and (2) 0-500 m McLane optics profiles data by broken down by specific cast number and deployment phase. Supplemental files include data for the full depth of the water column (6000 meters) and CTD data used in the reduction of optical birefringence yield and for the calculation of particle beam attenuation coefficient.";
    String time_coverage_end "2018-11-22T09:48:00Z";
    String time_coverage_start "2018-09-24T12:20:00Z";
    String title "[GP15 Particle birefringence photon yield and particle beam attenuation coefficient derived from McLane logging CTD] - Particle birefringence photon yield and particle beam attenuation coefficient derived from a logging CTD deployed during McLane Pump casts on the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15) on R/V Roger Revelle from Sept-Nov 2018 (US GEOTRACES Pacific Meridional Transect (GP15))";
    Float64 Westernmost_Easting -155.72;
  }
}

 

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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://coastwatch.pfeg.noaa.gov/erddap/tabledap/datasetID.fileType{?query}
For example,
https://coastwatch.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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