Data Access Form

Dataset Title:	[pH internal Consistency Experiment: TA & DIC] - (Improving Accuracy and Precision of Marine Inorganic Carbon Measurements)
Institution:	BCO-DMO (Dataset ID: bcodmo_dataset_905278_v1)
Information:	Summary \| License \| Metadata \| Background \| Files \| Make a graph

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Variable	Minimum	Maximum
Batch (unitless)	"10"	"9"
Practical_Salinity (unitless)	14.618	38.885
meas_TA (micromoles per kilogram (µmol/kg))	973.42	2530.46
meas_DIC (micromoles per kilogram (µmol/kg))	882.4	2399.7

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  Batch {
    String long_name "Batch";
    String units "unitless";
  }
  Practical_Salinity {
    Float32 actual_range 14.618, 38.885;
    String long_name "Practical_salinity";
    String units "unitless";
  }
  meas_TA {
    Float32 actual_range 973.42, 2530.46;
    String long_name "Meas_ta";
    String units "micromoles per kilogram (µmol/kg)";
  }
  meas_DIC {
    Float32 actual_range 882.4, 2399.7;
    String long_name "Meas_dic";
    String units "micromoles per kilogram (µmol/kg)";
  }
 }
  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.905278.1";
    String history 
"2024-11-23T16:38:47Z (local files)
2024-11-23T16:38:47Z https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_905278_v1.html";
    String infoUrl "https://www.bco-dmo.org/dataset/905278";
    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 
"These data include the measured pHt, total alkalinity, dissolved inorganic carbon, raw pHt absorbance, and calculated pHt of 25 batches of seawater as a function of temperature, salinity, and pCO2. These data were used to evaluate the internal consistency of 120 different possible combinations of CO2 system constants. 

The marine inorganic carbon system can be calculated with two measured parameters due to thermodynamic relationships. However, there are many different parameterizations for the required constants and the most accurate or best is not known. These data were used to evaluate the constants and make recommendations for which constants to use, and how to perform CO2 system calculations.";
    String title "[pH internal Consistency Experiment: TA & DIC] -  (Improving Accuracy and Precision of Marine Inorganic Carbon Measurements)";
  }
}

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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.

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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
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For details, see the tabledap Documentation.