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Dataset Title: | Lake Ontario, Nowcast, 2D, All Years, Lake Ontario, Nowcast, 2D, All Years, Best Time Series [time][ny][nx], 2012-present ![]() ![]() |
Institution: | NOAA/GLERL (Dataset ID: glos_tds_9a2a_2964_dc91) |
Information: | Summary ![]() ![]() ![]() |
Attributes { time { String _CoordinateAxisType "Time"; Float64 actual_range 1.3253796e+9, 1.5147648e+9; String axis "T"; String calendar "proleptic_gregorian"; String ioos_category "Time"; String long_name "Forecast time for ForecastModelRunCollection"; Float64 missing_value NaN; String standard_name "time"; String time_origin "01-JAN-1970 00:00:00"; String units "seconds since 1970-01-01T00:00:00Z"; } ny { Int16 actual_range 0, 24; String ioos_category "Statistics"; String long_name "NY"; String units "count"; } nx { Int16 actual_range 0, 60; String ioos_category "Statistics"; String long_name "NX"; String units "count"; } ci { Float64 colorBarMaximum 1.0; Float64 colorBarMinimum 0.0; String ioos_category "Ice Distribution"; String long_name "Ice concentration"; Float32 missing_value -99999.0; String standard_name "ice_concentration"; String units "fraction"; } hi { Float64 colorBarMaximum 2.5; Float64 colorBarMinimum 0.0; String ioos_category "Ice Distribution"; String long_name "Ice thickness"; Float32 missing_value -99999.0; String standard_name "sea_ice_thickness"; String units "meters"; } ui { Float64 colorBarMaximum 0.1; Float64 colorBarMinimum -0.1; String ioos_category "Currents"; String long_name "Ice u-velocity"; Float32 missing_value -99999.0; String standard_name "sea_ice_x_velocity"; String units "m/s"; } utm { Float64 colorBarMaximum 0.5; Float64 colorBarMinimum -0.5; String ioos_category "Currents"; String long_name "Depth-Averaged Eastward Water Velocity"; Float32 missing_value -99999.0; String standard_name "eastward_sea_water_velocity"; String units "m/s"; } vi { Float64 colorBarMaximum 0.1; Float64 colorBarMinimum -0.1; String ioos_category "Currents"; String long_name "Ice v-velocity"; Float32 missing_value -99999.0; String standard_name "sea_ice_y_velocity"; String units "m/s"; } vtm { Float64 colorBarMaximum 0.5; Float64 colorBarMinimum -0.5; String ioos_category "Currents"; String long_name "Depth-Averaged Northward Water Velocity"; Float32 missing_value -99999.0; String standard_name "northward_sea_water_velocity"; String units "m/s"; } NC_GLOBAL { String _CoordSysBuilder "ucar.nc2.dataset.conv.CF1Convention"; String author "gregory.lang@noaa.gov"; String cdm_data_type "Grid"; String comment1 "Lake Ontario 5 km bathymetric grid"; String comment2 "1-hourly model 2D output starting at validtime plus 1 hr"; String comment3 "Generated 4x per day following the 0,6,12,18 Z Nowcast runs"; String contributor_name "GLOS DMAC, GLERL"; String contributor_role "distributor, producer"; String Conventions "CF-1.6, COARDS, ACDD-1.3"; String creation_date "Sat Dec 30 15:19:44 2017 GMT"; String creator_email "david.schwab@noaa.gov"; String creator_name "Dr. Dave Schwab"; String creator_type "person"; String creator_url "https://www.glerl.noaa.gov/"; String disclaimer "https://www.glerl.noaa.gov/home/notice.html"; String history "Sat Dec 30 15:19:48 2017: ncks -O --deflate=1 tmp/o201730100.out1.nc4 tmp/o201730100.out1.nc Sat Dec 30 15:19:46 2017: ncks -O --fl_fmt=netcdf4_classic nc_files/o201730100.out1.nc tmp/o201730100.out1.nc4 ; FMRC Best Dataset 2018-04-26T06:05:12Z http://tds.glos.us/thredds/dodsC/glos/glcfs/archiveall/ontario/ncfmrc-2d/Lake_Ontario_-_Nowcast_-_2D_-_All_Years_best.ncd 2018-04-26T06:05:12Z http://upwell.pfeg.noaa.gov/erddap/griddap/glos_tds_9a2a_2964_dc91.das"; String id "glos/glcfs/archiveall/ontario/ncfmrc-2d/Lake_Ontario_-_Nowcast_-_2D_-_All_Years_best.ncdhttp://tds.glos.us/thredds/dodsC/glos/glcfs/archiveall/ontario/ncfmrc-2d/Lake_Ontario_-_Nowcast_-_2D_-_All_Years_best.ncd"; String infoUrl "https://www.glerl.noaa.gov/res/glcfs/"; String institution "NOAA/GLERL"; String keywords "all, averaged, best, best time series, circulation, coastal, concentration, cryosphere, currents, data, depth, depth-averaged, distribution, earth, Earth Science > Cryosphere > Sea Ice > Ice Depth/Thickness, Earth Science > Cryosphere > Sea Ice > Sea Ice Motion, Earth Science > Oceans > Ocean Circulation > Ocean Currents, Earth Science > Oceans > Sea Ice > Ice Depth/Thickness, Earth Science > Oceans > Sea Ice > Sea Ice Motion, eastward, eastward_sea_water_velocity, environmental, forecasting, glcfs, glerl, glos, great, great lakes, ice, ice distribution, ice_concentration, index, laboratory, lake, lakes, motion, noaa, northward, northward_sea_water_velocity, nowcast, observing, ocean, oceans, ontario, research, science, sea, sea_ice_thickness, sea_ice_x_velocity, sea_ice_y_velocity, seawater, series, system, thickness, time, time series, u-velocity, utm, v-velocity, vegetation, velocity, vtm, water, years"; String keywords_vocabulary "GCMD Science Keywords"; String license "No usage restrictions"; String location "Proto fmrc:Lake_Ontario_-_Nowcast_-_2D_-_All_Years"; String metadata_link "http://data.glos.us/portal/"; String model "GLERL Wave Model-Great Lakes, Princeton Ocean Model-Great Lakes"; String naming_authority "GLOS"; String NCO "4.3.7"; String publisher_email "dmac@glos.us"; String publisher_name "GLOS DMAC"; String publisher_type "institution"; String publisher_url "https://www.glos.us"; String references "https://www.glerl.noaa.gov/res/glcfs/"; String sourceUrl "http://tds.glos.us/thredds/dodsC/glos/glcfs/archiveall/ontario/ncfmrc-2d/Lake_Ontario_-_Nowcast_-_2D_-_All_Years_best.ncd"; String standard_name_vocabulary "CF Standard Name Table v29"; String summary "GLCFS - Lake Ontario - Nowcast - 2D. Best time series, taking the data from the most recent run available. Great Lakes Coastal Forecasting System. Lake Ontario 5 km bathymetric grid. 1-hourly model 2D output starting at validtime plus 1 hr. Generated 4x per day following the 0,6,12,18 Z Nowcast runs"; String time_coverage_end "2018-01-01T00:00:00Z"; String time_coverage_start "2012-01-01T01:00:00Z"; String title "Lake Ontario, Nowcast, 2D, All Years, Lake Ontario, Nowcast, 2D, All Years, Best Time Series [time][ny][nx], 2012-present"; String validtime "01-JAN-2013 00:00 GMT"; String validtime_DOY "001, 2013 00:00 GMT"; } }
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.