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Dataset Title:  World Ocean Atlas 2009, Monthly Climatology, 1 degree, Nitrate, Phosphate,
Silicate
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Institution:  NOAA NODC   (Dataset ID: nodcWoa09mon1n)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | 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 {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range -6.2166096e+10, -6.2137152e+10;
    String axis "T";
    String description "Monthly Climatology.January to December";
    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";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float32 actual_range 0.0, 500.0;
    String axis "Z";
    String description "Standard Depth Levels";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range -89.5, 89.5;
    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 0.5, 359.5;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  nitrate_an {
    Float32 _FillValue 9.96921e+36;
    String cell_methods "time:mean within months time:mean over months";
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum 0.0;
    String description "The objectively interpolated mean field for Nitrate for monthly time period at each one-degree square at each standard depth.";
    String ioos_category "Dissolved Nutrients";
    String long_name "Objectively Analyzed Nitrate Climatology";
    String standard_name "mole_concentration_of_nitrate_in_sea_water";
    String units "micromoles/l";
  }
  nitrate_mn {
    Float32 _FillValue 9.96921e+36;
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum 0.0;
    String description "The average of all unflagged interpolated values at each standard depth level in each one-degree square which contains at least one measurement of Nitrate";
    String ioos_category "Dissolved Nutrients";
    String long_name "Mean of Nitrate Observations";
    String standard_name "mole_concentration_of_nitrate_in_sea_water";
    String units "micromoles/l";
  }
  nitrate_dd {
    Int32 _FillValue -2147483647;
    String colorBarContinuous "false";
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String description "The number of observations of Nitrate in each one-degree square of the World Ocean at each standard depth level";
    String ioos_category "Statistics";
    String long_name "Number of Nitrate Observations";
    String units "count";
  }
  nitrate_ma {
    Float32 _FillValue 9.96921e+36;
    String description "The seasonal or monthly climatology minus the annual climatology at each one-degree square at each standard depth";
    String ioos_category "Statistics";
    String long_name "Monthly Nitrate Climatology minus Annual Climatology";
    String units "micromoles/l";
  }
  nitrate_sd {
    Float32 _FillValue 9.96921e+36;
    Float64 colorBarMaximum 8.0;
    Float64 colorBarMinimum 0.0;
    String description "The standard deviation about the statistical mean in each one-degree square at each standard depth level";
    String ioos_category "Statistics";
    String long_name "Standard Deviation of Nitrate Observations";
    String units "micromoles/l";
  }
  nitrate_se {
    Float32 _FillValue 9.96921e+36;
    Float64 colorBarMaximum 2.0;
    Float64 colorBarMinimum 0.0;
    String description "The standard error of the mean in each one-degree square at each standard depth level";
    String ioos_category "Statistics";
    String long_name "Standard Error of Nitrate Observations";
    String units "micromoles/l";
  }
  nitrate_oa {
    Float32 _FillValue 9.96921e+36;
    String description "The statistical mean minus the climatological mean at each one-degree square at each standard depth. This value is used as an estimate of interpolation and smoothing error.";
    String ioos_category "Statistics";
    String long_name "Nitrate Mean minus Objectively Analyzed Climatology";
    String units "micromoles/l";
  }
  nitrate_gp {
    Int32 _FillValue -2147483647;
    String description "The number of one-degree squares within the smallest radius of influence around each one-degree square which contain a statistical mean.";
    String ioos_category "Statistics";
    String long_name "Number of Nitrate Mean Values within Radius of Influence";
    String units "count";
  }
  phosphate_an {
    Float32 _FillValue 9.96921e+36;
    String cell_methods "time:mean within months time:mean over months";
    Float64 colorBarMaximum 3.0;
    Float64 colorBarMinimum 0.0;
    String description "The objectively interpolated mean field for Phosphate for monthly time period at each one-degree square at each standard depth.";
    String ioos_category "Dissolved Nutrients";
    String long_name "Objectively Analyzed Phosphate Climatology";
    String standard_name "mole_concentration_of_phosphate_in_sea_water";
    String units "micromoles/l";
  }
  phosphate_mn {
    Float32 _FillValue 9.96921e+36;
    Float64 colorBarMaximum 3.0;
    Float64 colorBarMinimum 0.0;
    String description "The average of all unflagged interpolated values at each standard depth level in each one-degree square which contains at least one measurement of Phosphate";
    String ioos_category "Dissolved Nutrients";
    String long_name "Mean of Phosphate Observations";
    String standard_name "mole_concentration_of_phosphate_in_sea_water";
    String units "micromoles/l";
  }
  phosphate_dd {
    Int32 _FillValue -2147483647;
    String colorBarContinuous "false";
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String description "The number of observations of Phosphate in each one-degree square of the World Ocean at each standard depth level";
    String ioos_category "Statistics";
    String long_name "Number of Phosphate Observations";
    String units "count";
  }
  phosphate_ma {
    Float32 _FillValue 9.96921e+36;
    String description "The seasonal or monthly climatology minus the annual climatology at each one-degree square at each standard depth";
    String ioos_category "Statistics";
    String long_name "Monthly Phosphate Climatology minus Annual Climatology";
    String units "micromoles/l";
  }
  phosphate_sd {
    Float32 _FillValue 9.96921e+36;
    Float64 colorBarMaximum 0.6;
    Float64 colorBarMinimum 0.0;
    String description "The standard deviation about the statistical mean in each one-degree square at each standard depth level";
    String ioos_category "Statistics";
    String long_name "Standard Deviation of Phosphate Observations";
    String units "micromoles/l";
  }
  phosphate_se {
    Float32 _FillValue 9.96921e+36;
    Float64 colorBarMaximum 0.2;
    Float64 colorBarMinimum 0.0;
    String description "The standard error of the mean in each one-degree square at each standard depth level";
    String ioos_category "Statistics";
    String long_name "Standard Error of Phosphate Observations";
    String units "micromoles/l";
  }
  phosphate_oa {
    Float32 _FillValue 9.96921e+36;
    String description "The statistical mean minus the climatological mean at each one-degree square at each standard depth. This value is used as an estimate of interpolation and smoothing error.";
    String ioos_category "Statistics";
    String long_name "Phosphate Mean minus Objectively Analyzed Climatology";
    String units "micromoles/l";
  }
  phosphate_gp {
    Int32 _FillValue -2147483647;
    String description "The number of one-degree squares within the smallest radius of influence around each one-degree square which contain a statistical mean.";
    String ioos_category "Statistics";
    String long_name "Number of Phosphate Mean Values within Radius of Influence";
    String units "count";
  }
  silicate_an {
    Float32 _FillValue 9.96921e+36;
    String cell_methods "time:mean within months time:mean over months";
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    String description "The objectively interpolated mean field for Silicate for monthly time period at each one-degree square at each standard depth.";
    String ioos_category "Dissolved Nutrients";
    String long_name "Objectively Analyzed Silicate Climatology";
    String standard_name "mole_concentration_of_silicate_in_sea_water";
    String units "micromoles/l";
  }
  silicate_mn {
    Float32 _FillValue 9.96921e+36;
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    String description "The average of all unflagged interpolated values at each standard depth level in each one-degree square which contains at least one measurement of Silicate";
    String ioos_category "Dissolved Nutrients";
    String long_name "Mean of Silicate Observations";
    String standard_name "mole_concentration_of_silicate_in_sea_water";
    String units "micromoles/l";
  }
  silicate_dd {
    Int32 _FillValue -2147483647;
    String colorBarContinuous "false";
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String description "The number of observations of Silicate in each one-degree square of the World Ocean at each standard depth level";
    String ioos_category "Statistics";
    String long_name "Number of Silicate Observations";
    String units "count";
  }
  silicate_ma {
    Float32 _FillValue 9.96921e+36;
    String description "The seasonal or monthly climatology minus the annual climatology at each one-degree square at each standard depth";
    String ioos_category "Statistics";
    String long_name "Monthly Silicate Climatology minus Annual Climatology";
    String units "micromoles/l";
  }
  silicate_sd {
    Float32 _FillValue 9.96921e+36;
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String description "The standard deviation about the statistical mean in each one-degree square at each standard depth level";
    String ioos_category "Statistics";
    String long_name "Standard Deviation of Silicate Observations";
    String units "micromoles/l";
  }
  silicate_se {
    Float32 _FillValue 9.96921e+36;
    Float64 colorBarMaximum 6.0;
    Float64 colorBarMinimum 0.0;
    String description "The standard error of the mean in each one-degree square at each standard depth level";
    String ioos_category "Statistics";
    String long_name "Standard Error of Silicate Observations";
    String units "micromoles/l";
  }
  silicate_oa {
    Float32 _FillValue 9.96921e+36;
    String description "The statistical mean minus the climatological mean at each one-degree square at each standard depth. This value is used as an estimate of interpolation and smoothing error.";
    String ioos_category "Statistics";
    String long_name "Silicate Mean minus Objectively Analyzed Climatology";
    String units "micromoles/l";
  }
  silicate_gp {
    Int32 _FillValue -2147483647;
    String description "The number of one-degree squares within the smallest radius of influence around each one-degree square which contain a statistical mean.";
    String ioos_category "Statistics";
    String long_name "Number of Silicate Mean Values within Radius of Influence";
    String units "count";
  }
  NC_GLOBAL {
    String acknowledgment 
"This work was made possible by a grant from the NOAA Climate and Global Change Program which enabled the establishment of a research group at the National Oceanographic Data Center. The purpose of this group is to prepare research quality oceanographic databases, as well as to compute objective analyses of, and diagnostic studies based on, these databases. Support is now from base funds and from the NOAA Climate Program Office.
 The data on which this atlas is based are in World Ocean Database 2009 and are distributed online and on DVD by NODC/WDC. Many data were acquired as a result of the IOC/IODE Global Oceanographic Data Archaeology and Rescue (GODAR) project, and the IOC/IODE World Ocean Database project (WOD). At NODC/WDC, data archaeology and rescue projects were supported with funding from the NOAA Environmental Science Data and Information Management (ESDIM) Program and the NOAA Climate and Global Change Program which included support from NASA and DOE. Support for some of the regional IOC/GODAR meetings was provided by the Marine Science and Technology (MAST) program of the European Union. The European Community has also provided support for the Mediterranean Data Archeology and Rescue (MEDAR/MEDATLAS) project which has resulted in the inclusion of substantial amounts of ocean profile data from the Mediterranean Sea. Additional Black Sea data have been acquired as a result of a NATO sponsored project.
 We acknowledge the scientists, technicians, and programmers who have collected and processed data, those individuals who have submitted data to national and regional data centers as well as the managers and staff at the various data centers. We thank our colleagues at the NODC. Their efforts have made this and similar works possible.";
    String cdm_data_type "Grid";
    String contributor_name "Ocean Climate Laboratory";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creator_email "NODC.Services@noaa.gov";
    String creator_name "NODC";
    String creator_type "institution";
    String creator_url "https://www.nodc.noaa.gov";
    String CVS_ID "1.0";
    String date_created "2011-01-11T18:00:47Z";
    String date_issued "2011-01-11T18:00:47Z";
    String date_modified "2011-01-11T18:00:47Z";
    Float64 Easternmost_Easting 359.5;
    Float64 geospatial_lat_max 89.5;
    Float64 geospatial_lat_min -89.5;
    Float64 geospatial_lat_resolution 1.0;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 359.5;
    Float64 geospatial_lon_min 0.5;
    Float64 geospatial_lon_resolution 1.0;
    String geospatial_lon_units "degrees_east";
    String history 
"Please see the acknowledgment and references
2018-07-21T00:30:01Z https://data.nodc.noaa.gov/thredds/dodsC/woa/WOA09/NetCDFdata/nitrate_monthly_1deg.nc
2018-07-21T00:30:01Z http://upwell.pfeg.noaa.gov/griddap/nodcWoa09mon1n.das";
    String infoUrl "https://www.nodc.noaa.gov/OC5/WOA09/pr_woa09.html";
    String institution "NOAA NODC";
    String keywords "analyzed, annual, atlas, chemistry, climatology, concentration, degree, deviation, dissolved, dissolved nutrients, Earth Science > Oceans > Ocean Chemistry > Nitrate, Earth Science > Oceans > Ocean Chemistry > Phosphate, Earth Science > Oceans > Ocean Chemistry > Silicate, error, influence, mean, minus, mole, mole_concentration_of_nitrate_in_sea_water, mole_concentration_of_phosphate_in_sea_water, mole_concentration_of_silicate_in_sea_water, monthly, n02, nitrate, no3, noaa, nodc, number, nutrients, objectively, observations, ocean, oceans, phosphate, po4, radius, sea, seawater, silicate, standard, statistics, values, water, within, world";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "This data is free for anyone to use, reuse and redistribute without any restriction. NOAA and NODC make no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty. NOAA and NODC cannot assume liability for any damages caused by any errors or omissions in the data.";
    String Metadata_Convention "Unidata Dataset Discovery v1.0";
    String naming_authority "gov.noaa.pfeg.coastwatch";
    Float64 Northernmost_Northing 89.5;
    String processing_level "synthesized product";
    String project "World Ocean Atlas - 2009";
    String publisher_email "NODC.Services@noaa.gov";
    String publisher_name "National Oceanographic Data Center(NODC)";
    String publisher_url "https://www.nodc.noaa.gov";
    String references "Garcia, H. E., R. A. Locarnini, T. P. Boyer, and J. I. Antonov, 2010. World Ocean Atlas 2009, Volume 4: Nutrients (phosphate, nitrate, silicate).  S. Levitus, Ed. NOAA Atlas NESDIS 71, U.S. Government Printing Office, Washington, D.C., 398 pp. ftp://ftp.nodc.noaa.gov/pub/WOA09/DOC/woa09_vol4_text.pdf";
    String source "Please see the acknowledgment and References";
    String sourceUrl "https://data.nodc.noaa.gov/thredds/dodsC/woa/WOA09/NetCDFdata/nitrate_monthly_1deg.nc";
    Float64 Southernmost_Northing -89.5;
    String standard_name_vocabulary "CF";
    String summary "This part of the World Ocean Atlas 2009 (WOA09) is a set of objectively analyzed (1 degree grid) climatological fields of in situ nitrate, phosphate, and silicate at standard depth levels for monthly compositing periods for the World Ocean based on data from 1950-05-23 through 2008-02-16. It also includes associated statistical fields of observed oceanographic profile data interpolated to standard depth levels on a 1 degree grid. For more details, please see https://www.nodc.noaa.gov/OC5/WOA09/pr_woa09.html";
    String time_coverage_end "0000-12-16T00:00:00Z";
    String time_coverage_start "0000-01-16T00:00:00Z";
    String title "World Ocean Atlas 2009, Monthly Climatology, 1 degree, Nitrate, Phosphate, Silicate";
    Float64 Westernmost_Easting 0.5;
  }
}

 

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 (external link) Data Access Protocol (DAP) (external link) and its projection 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.

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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