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Dataset Title:  ROMS: Samoa: Data Assimilating (ROMS Samoa Regional Ocean Model Assimilation
best) [lat][lon]
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Institution:  University of Hawaii   (Dataset ID: hawaii_soest_7496_f14a_b920)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Make a graph
 
Dimensions ? Start ? Stride ? Stop ?  Size ?    Spacing ?
 latitude (degrees_north) ?      112    0.02704009 (even)
  < slider >
 longitude (degrees_east) ?      186    0.02806054 (even)
  < slider >
 
Grid Variables (which always also download all of the dimension variables)
 mask (field mask, 1) ?

File type: (more info)

(Documentation / Bypass this form) ?
 
(Please be patient. It may take a while to get the data.)


 

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range -15.5, -12.49855;
    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 -174.0, -168.8088;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  mask {
    Float64 colorBarMaximum 1.5;
    Float64 colorBarMinimum 0.0;
    String flag_meanings "land, water";
    String flag_values "0, 1";
    String ioos_category "Identifier";
    String long_name "field mask";
    String standard_name "sea_binary_mask";
    String units "1";
    String value "0-land, 1-water";
  }
  NC_GLOBAL {
    String _CoordSysBuilder "ucar.nc2.dataset.conv.CF1Convention";
    String acknowledgement "The Pacific Islands Ocean Observing System (PacIOOS), funded through the National Oceanic and Atmospheric Administration (NOAA), is a Regional Association within the U.S. Integrated Ocean Observing System (IOOS). PacIOOS is coordinated by the University of Hawaii School of Ocean and Earth Science and Technology (SOEST).";
    String cdm_data_type "Grid";
    String comment "Model runs produced by Dr. Brian Powell (powellb@hawaii.edu).";
    String contributor_name "Dr. Brian Powell, Dr. Jim Potemra";
    String contributor_role "Principal Investigator, Data Manager";
    String Conventions "CF-1.6, ACDD-1.3, COARDS";
    String creator_email "powellb@hawaii.edu";
    String creator_institution "University of Hawaii";
    String creator_name "Dr. Brian Powell";
    String creator_type "person";
    String creator_url "http://www.soest.hawaii.edu/oceanography/faculty/powell.html";
    String date_created "2014-02-11";
    String date_issued "2014-02-11";
    String date_metadata_modified "2017-01-30";
    String date_modified "2015-05-28";
    Float64 Easternmost_Easting -168.8088;
    String geospatial_bounds "POLYGON ((-15.5 -174.0, -12.4985 -174.0, -12.4985 -168.809, -15.5 -168.809, -15.5 -174.0))";
    String geospatial_bounds_crs "EPSG:4326";
    Float64 geospatial_lat_max -12.49855;
    Float64 geospatial_lat_min -15.5;
    Float64 geospatial_lat_resolution 0.02704009009009009;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -168.8088;
    Float64 geospatial_lon_min -174.0;
    Float64 geospatial_lon_resolution 0.02806054054054059;
    String geospatial_lon_units "degrees_east";
    String history 
"New grid (04/2015) ;
FMRC Best Dataset
2018-02-23T08:23:59Z http://oos.soest.hawaii.edu/thredds/dodsC/pacioos/roms_assim/samoa/ROMS_Samoa_Regional_Ocean_Model_Assimilation_best.ncd
2018-02-23T08:23:59Z http://upwell.pfeg.noaa.gov/erddap/griddap/hawaii_soest_7496_f14a_b920.das";
    String id "pacioos.roms_assim.samoa.ROMS_Samoa_Regional_Ocean_Model_Assimilation_best.ncd";
    String infoUrl "http://www.pacioos.hawaii.edu/currents/model-samoa/";
    String institution "University of Hawaii";
    String instrument "Not Applicable > Not Applicable";
    String instrument_vocabulary "GCMD Instrument Keywords";
    String ISO_Topic_Categories "oceans";
    String keywords "/regional, advanced, analysis, archiving, argo, array, assimilating, assimilation, avhrr, aviso, best, binary, circulation, coordinate, currents, data, density, earth, Earth Science > Oceans > Ocean Circulation > Ocean Currents, Earth Science > Oceans > Ocean Temperature > Potential Temperature, Earth Science > Oceans > Salinity/Density > Salinity, Earth Science > Oceans > Sea Surface Topography > Sea Surface Height, Earth Science Services > Models > Ocean General Circulation Models (OGCM)/Regional Ocean Models, Earth Science Services > Models > Weather Research/Forecast Models, experiment, field, forecast, forecasting, general, geostrophic, hawaii, height, high, hybrid, hycom, ice, identifier, imaging, interpretation, latitude, longitude, mask, model, modeling, models, moderate, modis, ocean, oceanic, oceanography, oceans, ogcm, operational, oregon, ostia, osu, potential, radiometer, real, real time, real-time, realtime, regional, regional ocean model, research, research/forecast, resolution, roms, salinity, salinity/density, samoa, satellite, science, sea, sea_binary_mask, services, spectroradiometer, ssh, sst, state, surface, system, temperature, time, topex, topography, university, validation, very, vhrr, weather, wrf";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "These model data were generated as part of an academic research project, and the principal investigator, Brian Powell (powellb@hawaii.edu), asks to be informed of intent for scientific use and appropriate acknowledgment given in any publications arising therefrom. The data are provided free of charge, without warranty of any kind.";
    String location "Proto fmrc:ROMS_Samoa_Regional_Ocean_Model_Assimilation";
    String locations "Ocean > Pacific Ocean > South Pacific Ocean > Polynesia > American Samoa, Ocean > Pacific Ocean > South Pacific Ocean > Polynesia > Samoa";
    String locations_vocabulary "GCMD Location Keywords";
    String Metadata_Link "http://www.pacioos.hawaii.edu/metadata/roms_samoa_assimilation.html";
    String naming_authority "org.pacioos";
    Float64 Northernmost_Northing -12.49855;
    String platform "Models/Analyses > > Operational Models";
    String platform_vocabulary "GCMD Platform Keywords";
    String program "Pacific Islands Ocean Observing System (PacIOOS)";
    String project "Pacific Islands Ocean Observing System (PacIOOS)";
    String publisher_email "info@pacioos.org";
    String publisher_institution "University of Hawaii";
    String publisher_name "Pacific Islands Ocean Observing System (PacIOOS)";
    String publisher_type "group";
    String publisher_url "http://www.pacioos.hawaii.edu";
    String references "http://www.pacioos.hawaii.edu/currents/model-samoa/, https://www.myroms.org, http://www.pacioos.hawaii.edu";
    String source "Regional Ocean Modeling System (ROMS), https://www.myroms.org";
    String sourceUrl "http://oos.soest.hawaii.edu/thredds/dodsC/pacioos/roms_assim/samoa/ROMS_Samoa_Regional_Ocean_Model_Assimilation_best.ncd";
    Float64 Southernmost_Northing -15.5;
    String standard_name_vocabulary "CF Standard Name Table v39";
    String summary "Regional Ocean Modeling System (ROMS): Samoa: Data Assimilating. Best time series, taking the data from the most recent run available. Regional Ocean Modeling System (ROMS) 3-day, 3-hourly data assimilating hindcast for the region surrounding the islands of Samoa at approximately 3-km resolution. Boundary conditions provided by the global, 1/12-degree (~9-km) HYbrid Coordinate Ocean Model (HYCOM). Atmospheric forcing generated by the Weather Research and Forecasting (Weather Research and Forecasting Model (WRF)) model for the region surrounding the islands of Samoa (WRF_Samoa) at approximately 3-km resolution. Tide forcing uses the Oregon State University (OSU) Tidal Prediction Software (OTPS) Topography Experiment (TOPEX)/Poseidon global inverse solution (TPXO) to derive barotropic tidal elevation and velocity. Data are assimilated over the previous 3 days using all available observations to improve the model estimate of current ocean state (its \"nowcast\"). Assimilated observations may include satellite-based sea surface temperatures from Moderate Resolution Imaging Spectroradiometer (MODIS), Advanced Very High Resolution Radiometer (AVHRR), or Operational Sea Surface Temperature and Sea Ice Analysis (OSTIA); satellite-based sea surface height from Archiving, Validation and Interpretation of Satellite Data in Oceanography (AVISO); and in-situ water temperature and salinity profiles from Array for Real-time Geostrophic Oceanography (ARGO) floats. While considerable effort has been made to implement all model components in a thorough, correct, and accurate manner, numerous sources of error are possible. As such, please use these data with the caution appropriate for any ocean related activity.";
    String time_coverage_resolution "PT3H";
    String title "ROMS: Samoa: Data Assimilating (ROMS Samoa Regional Ocean Model Assimilation best) [lat][lon]";
    Float64 Westernmost_Easting -174.0;
  }
}

 

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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