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Dataset Title:  [MV1110 CTD Nutrient and Particle Data] - CTD bottle data matched to
dissolved, inorganic nutrient concentrations and to stable isotope measurements
of particulate nitrogen and carbon rom R/V Melville cruise MV1110 in the
Western Tropical North Atlantic in 2011 (Amazon iNfluence on the Atlantic:
CarbOn export from Nitrogen fixation by DiAtom Symbioses)
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Institution:  BCO-DMO   (Dataset ID: bcodmo_dataset_919848_v1)
Range: longitude = -56.876 to -44.638°E, time = 2011-09-05T10:45:00Z to 2011-10-06T12:14:00Z
Information:  Summary ? | License ? | Metadata | Background (external link) | Data Access Form | Files
 
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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 long_name "Cruise";
    String units "unitless";
  }
  Anaconda_Num {
    String long_name "Anaconda_num";
    String units "unitless";
  }
  Niskin_Bottle {
    Int32 actual_range 1, 24;
    String long_name "Niskin_bottle";
    String units "unitless";
  }
  CTD_Cast {
    Int32 actual_range 2, 136;
    String long_name "Ctd_cast";
    String units "unitless";
  }
  Station {
    Int32 actual_range 1, 32;
    String long_name "Station";
    String units "unitless";
  }
  StnEvent {
    Float32 actual_range 1.01, 32.14;
    String long_name "Stnevent";
    String units "unitless";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -56.876, -44.638;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  Latitude {
    Float32 actual_range 5.151, 11.628;
    String long_name "Latitude";
    String units "degrees_north";
  }
  Yearday {
    Float32 actual_range 248.4195, 279.4907;
    String long_name "Yearday";
    String units "unitless";
  }
  Date {
    String long_name "Date";
    String units "unitless";
  }
  Month {
    Int32 actual_range 9, 10;
    String long_name "Month";
    String units "unitless";
  }
  Day {
    Int32 actual_range 1, 30;
    String long_name "Day";
    String units "unitless";
  }
  Year {
    Int32 actual_range 2011, 2011;
    String long_name "Year";
    String units "unitless";
  }
  time_gmt {
    String long_name "Time";
    String units "unitless";
  }
  Hour {
    Int32 actual_range 0, 23;
    String long_name "Hour";
    String units "unitless";
  }
  Minute {
    Int32 actual_range 0, 59;
    String long_name "Minute";
    String units "unitless";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.3152195e+9, 1.31790324e+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";
  }
  prDM {
    Float32 actual_range 1.545, 4820.962;
    String long_name "Prdm";
    String units "decibars (db)";
  }
  Average_prDM {
    Float32 actual_range 1.5387, 4820.917;
    String long_name "Average_prdm";
    String units "decibars (db)";
  }
  depSM {
    Float32 actual_range 1.537, 4740.253;
    String long_name "Depsm";
    String units "m";
  }
  Average_depSM {
    Float32 actual_range 1.5303, 4740.209;
    String long_name "Average_depsm";
    String units "m";
  }
  t190C {
    Float32 actual_range 1.7119, 30.4739;
    String long_name "T190c";
    String units "degrees C, Celsius";
  }
  Average_t190C {
    Float32 actual_range 1.7119, 30.4732;
    String long_name "Average_t190c";
    String units "degrees C, Celsius";
  }
  Potential_Temperature {
    Float32 actual_range 1.2914, 30.473;
    String long_name "Potential_temperature";
    String units "degrees C, Celsius";
  }
  Average_Potential_Temperature {
    Float32 actual_range 1.2914, 30.4724;
    String long_name "Average_potential_temperature";
    String units "degrees C, Celsius";
  }
  sal00 {
    Float32 actual_range 23.8931, 36.9902;
    String long_name "Sal00";
    String units "Practical Salinity Units (PSU)";
  }
  Average_sal00 {
    Float32 actual_range 23.9729, 36.9905;
    String long_name "Average_sal00";
    String units "Practical Salinity Units (PSU)";
  }
  Sigma_theta {
    Float32 actual_range 13.6769, 27.8885;
    String long_name "Sigma_theta";
    String units "kilograms per cubic meter(kg/m^3)";
  }
  Average_Sigma_theta {
    Float32 actual_range 13.738, 27.8885;
    String long_name "Average_sigma_theta";
    String units "kilograms per cubic meter(kg/m^3)";
  }
  sbeox0Mm_Kg {
    Float32 actual_range 96.012, 279.895;
    String long_name "Sbeox0mm_kg";
    String units "micromoles per kilogram (umol/kg)";
  }
  Average_sbeox0Mm_Kg {
    Float32 actual_range 96.015, 279.526;
    String long_name "Average_sbeox0mm_kg";
    String units "micromoles per kilogram (umol/kg)";
  }
  Oxygen_Saturation {
    Float32 actual_range 34.7661, 135.4744;
    String long_name "Oxygen_saturation";
    String units "percent (%)";
  }
  Average_Oxygen_Saturation {
    Float32 actual_range 34.7407, 135.1158;
    String long_name "Average_oxygen_saturation";
    String units "percent (%)";
  }
  Beam_Transmission {
    Float32 actual_range -1.158, 87.3541;
    String long_name "Beam_transmission";
    String units "percent (%)";
  }
  Average_Beam_Transmission {
    Float32 actual_range -1.158, 87.3567;
    String long_name "Average_beam_transmission";
    String units "percent (%)";
  }
  Beam_Attenuation {
    Float32 actual_range 0.5408, 55.262;
    String long_name "Beam_attenuation";
    String units "per meter (1/m)";
  }
  Average_Beam_Attenuation {
    Float32 actual_range 0.5407, 55.262;
    String long_name "Average_beam_attenuation";
    String units "per meter (1/m)";
  }
  Fluorescence {
    Float32 actual_range 0.0504, 10.5575;
    String long_name "Fluorescence";
    String units "migrograms per cubic meter (mg/m^3)";
  }
  Average_Fluorescence {
    Float32 actual_range 0.0444, 3.6352;
    String long_name "Average_fluorescence";
    String units "migrograms per cubic meter (mg/m^3)";
  }
  PAR {
    Float32 actual_range 0.0, 3185.5;
    String long_name "Par";
    String units "microEinsteins per meter squared per second (uEm-2sec-1)";
  }
  Average_PAR {
    Float32 actual_range 0.0, 2937.65;
    String long_name "Average_par";
    String units "microEinsteins per meter squared per second (uEm-2sec-1)";
  }
  Mean_PO4 {
    Float32 actual_range 0.0, 2.89;
    String long_name "Mean_po4";
    String units "micromolar (uM)";
  }
  Mean_Si {
    Float32 actual_range 0.286, 52.598;
    String long_name "Mean_si";
    String units "micromolar (uM)";
  }
  Mean_NO3_NO2 {
    Float32 actual_range 0.0, 37.271;
    String long_name "Mean_no3_no2";
    String units "micromolar (uM)";
  }
  Mean_N {
    Float32 actual_range -9.893, 9.742;
    String long_name "Mean_n";
    String units "unknown";
  }
  d15N {
    Float32 actual_range -2.54, 16.07;
    String long_name "D15n";
    String units "permil (0/00)";
  }
  d13C {
    Float32 actual_range -27.57, -16.47;
    String long_name "D13c";
    String units "permil (0/00)";
  }
  C_to_N {
    Float32 actual_range 3.41, 12.79;
    String long_name "C_to_n";
    String units "unitless";
  }
  Total_Particulate_N {
    Float32 actual_range 0.04, 2.48;
    String long_name "Total_particulate_n";
    String units "micromolar (uM)";
  }
  Total_Particulate_C {
    Float32 actual_range 0.33, 15.71;
    String long_name "Total_particulate_c";
    String units "micromolar (uM)";
  }
 }
  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 doi "10.26008/1912/bco-dmo.919848.1";
    Float64 Easternmost_Easting -44.638;
    Float64 geospatial_lon_max -44.638;
    Float64 geospatial_lon_min -56.876;
    String geospatial_lon_units "degrees_east";
    String history 
"2024-11-13T10:14:15Z (local files)
2024-11-13T10:14:15Z https://erddap.bco-dmo.org/tabledap/bcodmo_dataset_919848_v1.das";
    String infoUrl "https://www.bco-dmo.org/dataset/919848";
    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.";
    String sourceUrl "(local files)";
    String summary "CTD bottle data matched to dissolved, inorganic nutrient concentrations and to stable isotope measurements of particulate nitrogen and carbon.";
    String time_coverage_end "2011-10-06T12:14:00Z";
    String time_coverage_start "2011-09-05T10:45:00Z";
    String title "[MV1110 CTD Nutrient and Particle Data] - CTD bottle data matched to dissolved, inorganic nutrient concentrations and to stable isotope measurements of particulate nitrogen and carbon rom R/V Melville cruise MV1110 in the Western Tropical North Atlantic in 2011 (Amazon iNfluence on the Atlantic: CarbOn export from Nitrogen fixation by DiAtom Symbioses)";
    Float64 Westernmost_Easting -56.876;
  }
}

 

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://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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