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Dataset Title:  Forecast, Salish Sea, Near-surface Depth Averaged Currents, 1h, v18-06 Subscribe RSS
Institution:  UBC EOAS   (Dataset ID: ubcSSfDepthAvgdCurrents1hV18-06)
Information:  Summary ? | License ? | 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 _FillValue NaN;
    Float64 actual_range 1.5659154e+9, 1.5665382e+9;
    String axis "T";
    String calendar "proleptic_gregorian";
    String comment "time values are UTC at the centre of the intervals over which the calculated model results are averaged";
    String coverage_content_type "modelResult";
    String ioos_category "Time";
    String long_name "Time axis";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  gridY {
    Int16 actual_range 0, 897;
    String coverage_content_type "modelResult";
    String ioos_category "location";
    String long_name "Y";
    String units "count";
  }
  gridX {
    Int16 actual_range 0, 397;
    String coverage_content_type "modelResult";
    String ioos_category "location";
    String long_name "X";
    String units "count";
  }
  VelEast10 {
    Float32 _FillValue NaN;
    Float64 colorBarMaximum 8.0;
    Float64 colorBarMinimum -8.0;
    String comment "Average velocity over the upper 10 grid levels, nominally 10 m";
    String ioos_category "Currents";
    String long_name "Upper 10 grid levels East Velocity";
    String standard_name "eastward_sea_water_velocity_upper_10_grid_levels";
    String units "m/s";
  }
  VelNorth10 {
    Float32 _FillValue NaN;
    Float64 colorBarMaximum 8.0;
    Float64 colorBarMinimum -8.0;
    String comment "Average velocity over the upper 10 grid levels, nominally 10 m";
    String ioos_category "Currents";
    String long_name "Upper 10 grid levels North Velocity";
    String standard_name "northward_sea_water_velocity_upper_10_grid_levels";
    String units "m/s";
  }
  VelNorth5 {
    Float32 _FillValue NaN;
    Float64 colorBarMaximum 8.0;
    Float64 colorBarMinimum -8.0;
    String comment "Average velocity over the upper 5 grid levels, nominally 5 m";
    String ioos_category "Currents";
    String long_name "Upper 5 grid levels North Velocity";
    String standard_name "northward_sea_water_velocity_upper_5_grid_levels";
    String units "m/s";
  }
  VelEast5 {
    Float32 _FillValue NaN;
    Float64 colorBarMaximum 8.0;
    Float64 colorBarMinimum -8.0;
    String comment "Average velocity over the upper 5 grid levels, nominally 5 m";
    String ioos_category "Currents";
    String long_name "Upper 5 grid levels East Velocity";
    String standard_name "eastward_sea_water_velocity_upper_5_grid_levels";
    String units "m/s";
  }
  NC_GLOBAL {
    String acknowledgement "MEOPAR, ONC, Compute Canada";
    String cdm_data_type "Grid";
    String comment 
"If you use this dataset in your research,
please reference it with wording similar to the example below,
and include a citation of the publication below.
Inclusion of the date(s) when you downloaded the dataset,
and the dataset id help to ensure reproducibility of your work.

Reference wording:

Near-surface depth averaged water current component fields from the SalishSeaCast model
(Soontiens et al, 2016)
were downloaded from their ERDDAP server
(https://salishsea.eos.ubc.ca/erddap/)
on DATE from dataset ubcSSfDepthAvgdCurrents1hV18-06.

Citation:

Soontiens, N., Allen, S., Latornell, D., Le Souef, K., Machuca, I., Paquin, J.-P., Lu, Y., Thompson, K., Korabel, V., 2016.
Storm surges in the Strait of Georgia simulated with a regional model. Atmosphere-Ocean 54 1-21.
https://dx.doi.org/10.1080/07055900.2015.1108899";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_email "sallen@eoas.ubc.ca";
    String creator_name "Salish Sea MEOPAR Project Contributors";
    String creator_url "https://salishsea-meopar-docs.readthedocs.io/";
    String drawLandMask "over";
    String history 
"CHS currents file made by nowcast worker: make_CHS_currents_file.py
2019-08-21T13:27:53Z (local files)
2019-08-21T13:27:53Z https://salishsea.eos.ubc.ca/griddap/ubcSSfDepthAvgdCurrents1hV18-06.das";
    String infoUrl "https://salishsea-meopar-docs.readthedocs.io/en/latest/results_server/index.html#salish-sea-model-results";
    String institution "UBC EOAS";
    String institution_fullname "Earth, Ocean & Atmospheric Sciences, University of British Columbia";
    String keywords "circulation, current, currents, Earth Science > Oceans > Ocean Circulation > Ocean Currents, east, eastward, eastward_sea_water_velocity_upper_10_grid_levels, eastward_sea_water_velocity_upper_5_grid_levels, north, northward, northward_sea_water_velocity_upper_10_grid_levels, northward_sea_water_velocity_upper_5_grid_levels, ocean, oceans, sea, seawater, time, VelEast10, VelEast5, VelNorth10, VelNorth5, velocity, water";
    String license 
"The SalishSeaCast model results are copyright
    by the Salish Sea MEOPAR Project Contributors and The University of British Columbia.

    They are licensed under the Apache License, Version 2.0. https://www.apache.org/licenses/LICENSE-2.0";
    String project "Salish Sea MEOPAR NEMO Model";
    String sourceUrl "(local files)";
    String standard_name_vocabulary "CF Standard Name Table v29";
    String summary 
"Forecast, Salish Sea, Near-surface Depth Averaged Currents, 1h, v18-106
Rolling daily forecast of eastward and northward water current component field values averaged over 1 hour intervals for the upper 5 and 10 metres of depth from Salish Sea NEMO model runs with physics and biology.
The values are calculated for the entire model grid that includes the Juan de Fuca Strait,
the Strait of Georgia, Puget Sound,
and Johnstone Strait on the coasts of Washington State and British Columbia.
The time values are UTC. They are the centres of the intervals over which the calculated model results are averaged.
The velocity component values are averaged over the upper 5 and 10 metre depths.
Geo-location and depth data for the Salish Sea NEMO model grid are available in the ubcSSnBathymetry2V17-02 dataset.

This dataset is updated daily to move it forward 1 day in time.
It starts at 00:00:00 UTC 5 days prior to the most recently completed forecast run,
and extends to 11:30:00 UTC on the 2nd day after the forecast run date.
So, for example, after completion of the 10-Nov-2017 forecast run,
this dataset included data from 2017-11-05 00:00:00 UTC to 2017-11-12 11:30:00 UTC.

v17-02: VelEast10, VelEast5, VelNorth10, VelNorth5 variables; NEMO-3.6; ubcSSnBathymetryV17-02 bathymetry; see infoUrl link for full details.
v18-06: NEMO-3.6 SalishSeaCast-201806 configuration; ubcSSnBathymetry2V17-02 bathymetry;
        see infoUrl link for full details.";
    String testOutOfDate "now+24hours";
    String time_coverage_end "2019-08-23T05:30:00Z";
    String time_coverage_start "2019-08-16T00:30:00Z";
    String title "Forecast, Salish Sea, Near-surface Depth Averaged Currents, 1h, v18-06";
  }
}

 

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://coastwatch.pfeg.noaa.gov/erddap/griddap/datasetID.fileType{?query}
For example,
https://coastwatch.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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