ERDDAP > griddap > Data Access Form

Dataset Title:	Carbontracker CT2009 Fluxes (ct flux) [date][calendar_components], 2000-2001
Institution:	NOAA ESRL   (Dataset ID: noaa_pmel_d99b_9c2d_d23d)
Information:	Summary | License | Metadata | Background | Make a graph

 

Dimensions	Start	Stride	Stop	Size	Spacing
time (Date, UTC)				5112	3h 0m 0s (even)
calendar_components				6	1.0 (even)

Grid Variables (which always also download all of the dimension variables)

date_components (integer components of UTC date)

File type: (more information) .asc - View OPeNDAP-style ISO-8859-1 comma-separated text. .csv - Download a ISO-8859-1 comma-separated text table (line 1: names; line 2: units; ISO 8601 times). .csvp - Download a ISO-8859-1 .csv file with line 1: name (units). Times are ISO 8601 strings. .csv0 - Download a ISO-8859-1 .csv file without column names or units. Times are ISO 8601 strings. .das - View the dataset's metadata via an ISO-8859-1 OPeNDAP Dataset Attribute Structure (DAS). .dds - View the dataset's structure via an ISO-8859-1 OPeNDAP Dataset Descriptor Structure (DDS). .dods - OPeNDAP clients use this to download the data in the DODS binary format. .esriAscii - Download an ISO-8859-1 ESRI ASCII file (latitude longitude data only; longitude must be all below or all above 180). .fgdc - View the dataset's UTF-8 FGDC .xml metadata. .graph - View a Make A Graph web page. .help - View a web page with a description of griddap. .html - View an OPeNDAP-style HTML Data Access Form. .htmlTable - View a UTF-8 .html web page with the data in a table. Times are ISO 8601 strings. .iso19115 - View the dataset's ISO 19115-2/19139 UTF-8 .xml metadata. .itx - Download an ISO-8859-1 Igor Text File. Each axis variable and each data variable becomes a wave. .json - View a table-like UTF-8 JSON file (missing value = 'null'; times are ISO 8601 strings). .jsonlCSV1 - View a UTF-8 JSON Lines CSV file with column names on line 1 (mv = 'null'; times are ISO 8601 strings). .jsonlCSV - View a UTF-8 JSON Lines CSV file without column names (mv = 'null'; times are ISO 8601 strings). .jsonlKVP - View a UTF-8 JSON Lines file with Key:Value pairs (missing value = 'null'; times are ISO 8601 strings). .mat - Download a MATLAB binary file. .nc - Download a NetCDF-3 binary file with COARDS/CF/ACDD metadata. .ncHeader - View the UTF-8 header (the metadata) for the NetCDF-3 .nc file. .ncml - View the dataset's structure and metadata as a UTF-8 NCML .xml file. .nccsv - Download a NetCDF-3-like 7-bit ASCII NCCSV .csv file with COARDS/CF/ACDD metadata. .nccsvMetadata - View the dataset's metadata as the top half of a 7-bit ASCII NCCSV .csv file. .ncoJson - Download a UTF-8 NCO lvl=2 JSON file with COARDS/CF/ACDD metadata. .odvTxt - Download time,latitude,longitude,otherVariables as an ODV Generic Spreadsheet File (.txt). .timeGaps - View a UTF-8 list of gaps in the time values which are larger than the median gap. .tsv - Download a ISO-8859-1 tab-separated text table (line 1: names; line 2: units; ISO 8601 times). .tsvp - Download a ISO-8859-1 .tsv file with line 1: name (units). Times are ISO 8601 strings. .tsv0 - Download a ISO-8859-1 .tsv file without column names or units. Times are ISO 8601 strings. .wav - Download a .wav audio file. All columns must be numeric and of the same type. .xhtml - View a UTF-8 XHTML (XML) file with the data in a table. Times are ISO 8601 strings. .geotif - View a grayscale GeoTIFF .tif file (for latitude longitude data; longitude must be all below or all above 180). .kml - View a Google Earth .kml file (for latitude, longitude data only). .smallPdf - View a small .pdf image file with a graph or map. .pdf - View a standard, medium-sized .pdf image file with a graph or map. .largePdf - View a large .pdf image file with a graph or map. .smallPng - View a small .png image file with a graph or map. .png - View a standard, medium-sized .png image file with a graph or map. .largePng - View a large .png image file with a graph or map. .transparentPng - View a .png image file (just the data, without axes, landmask, or legend).

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 9.466902e+8, 1.001889e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "Date";
    String source_name "date";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  calendar_components {
    Int32 actual_range 1, 6;
    String ioos_category "Time";
    String long_name "Calendar Components";
  }
  date_components {
    String comment "Calendar date components as integers.  Times and dates are UTC.";
    String ioos_category "Time";
    String long_name "integer components of UTC date";
    Int32 missing_value -9;
    String order "year, month, day, hour, minute, second";
  }
  NC_GLOBAL {
    String cdm_data_type "Grid";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creator_email "carbontracker.team@noaa.gov";
    String creator_name "Carbontracker Team";
    String creator_type "group";
    String creator_url "https://www.esrl.noaa.gov/";
    String disclaimer 
"CarbonTracker is an open product of the NOAA Earth System Research 
Laboratory using data from the Global Monitoring Division greenhouse 
gas observational network and collaborating institutions.  Model results 
including figures and tabular material found on the CarbonTracker 
website may be used for non-commercial purposes without restriction,
but we request that the following acknowledgement text be included 
in documents or publications made using CarbonTracker results: 

     CarbonTracker results provided by NOAA/ESRL,
     Boulder, Colorado, USA, http://carbontracker.noaa.gov

Since we expect to continuously update the CarbonTracker product, it
is important to identify which version you are using.  To provide
accurate citation, please include the version of the CarbonTracker
release in any use of these results.

The CarbonTracker team welcomes special requests for data products not
offered by default on this website, and encourages proposals for
collaborative activities.  Contact us at carbontracker.team@noaa.gov.";
    String email "carbontracker.team@noaa.gov";
    String history 
"Created on Mon Nov 02 2009 22:37:07 GMT
by script 'Time-stamp: <mistral.cmdl.noaa.gov:/ct/tools/R/make_flux1x1_nc.r - 31 Oct 2008 (Fri) 09:30:03 MDT>'
2024-04-27T06:09:25Z https://data.pmel.noaa.gov/pmel/thredds/dodsC/ct_flux
2024-04-27T06:09:25Z http://upwell.pfeg.noaa.gov/erddap/griddap/noaa_pmel_d99b_9c2d_d23d.das";
    String id "ct_flux";
    String infoUrl "http://carbontracker.noaa.gov";
    String institution "NOAA ESRL";
    String keywords "calendar, calendar_components, carbontracker, components, ct2009, data, date, date_components, earth, esrl, flux, fluxes, integer, laboratory, noaa, research, system, time";
    String license "We request that the following acknowledgement text be included in documents or publications made using CarbonTracker results: CarbonTracker results provided by NOAA/ESRL, Boulder, Colorado, USA, http://carbontracker.noaa.gov";
    String Notes "This file contains CarbonTracker surface CO2 fluxes.";
    String source "CarbonTracker release CT2009";
    String sourceUrl "https://data.pmel.noaa.gov/pmel/thredds/dodsC/ct_flux";
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary "Carbontracker CT2009 Fluxes. NOAA Earth System Research Laboratory (ESRL) data from https://data.pmel.noaa.gov/pmel/thredds/dodsC/ct_flux.das .";
    String time_coverage_end "2001-09-30T22:30:00Z";
    String time_coverage_start "2000-01-01T01:30:00Z";
    String title "Carbontracker CT2009 Fluxes (ct flux) [date][calendar_components], 2000-2001";
    String url "http://carbontracker.noaa.gov";
  }
}

 

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Using griddap to Request Data and Graphs from Gridded Datasets

griddap lets you request a data subset, graph, or map from a gridded dataset (for example, sea surface temperature data from a satellite), via a specially formed URL. griddap uses the OPeNDAP Data Access Protocol (DAP) and its projection constraints.

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.

• (easy) You can get data by using the dataset's Data Access Form. It makes the URL for you.
• (easy) You can make a graph or map by using the dataset's Make A Graph form. It makes the URL for you.
• (not hard) You can bypass the forms and get the data or make a graph or map by generating the URL by hand or with a computer program or script.

griddap request URLs must be in the form
https://upwell.pfeg.noaa.gov/erddap/griddap/datasetID.fileType{?query}
For example,
https://upwell.pfeg.noaa.gov/erddap/griddap/jplMURSST41.htmlTable?analysed_sst[(2002-06-01T09:00:00Z)][(-89.99):1000:(89.99)][(-179.99):1000:(180.0)]
Thus, the query is often a data variable name (e.g., analysed_sst), followed by [(start):stride:(stop)] (or a shorter variation of that) for each of the variable's dimensions (for example, [time][latitude][longitude]).

For details, see the griddap Documentation.

 

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