ERDDAP > griddap > Data Access Form

Dataset Title:	Ice Concentration, NOAA-20 VIIRS, Near Real-Time, Polar Stereographic (South), Daily 4-day Composite
Institution:	NOAA NESDIS CoastWatch   (Dataset ID: noaacwVIIRSn20iceconcSP06Daily4Day)
Information:	Summary | License | Metadata | Background | Files | Make a graph

 

Dimensions	Start	Stride	Stop	Size	Spacing
time (UTC)				10	1 day (even)
altitude (m)				1	(just one value)
rows (m)				8640	-795.0 (even)
cols (m)				8640	795.0 (even)

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

IceConc (Ice Concentration, 1)

File type: (more info) .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 (lat lon data only; lon 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,lat,lon,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 lat lon data; lon must be all below or all above 180). .kml - View a Google Earth .kml file (for lat, lon 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 1.618272e+9, 1.6190496e+9;
    String axis "T";
    String bounds "baseline_bounds";
    String calendar "gregorian";
    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";
  }
  altitude {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "up";
    Float64 actual_range 0.0, 0.0;
    String axis "Z";
    String ioos_category "Location";
    String long_name "Altitude";
    String positive "up";
    String standard_name "altitude";
    String units "m";
  }
  rows {
    Float64 actual_range -3434002.500001563, 3434002.5000015637;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Northing of Pixel Centers";
    String standard_name "projection_y_coordinate";
    String units "m";
  }
  cols {
    Float64 actual_range -3434002.5000015637, 3434002.5000015646;
    String axis "X";
    String ioos_category "Location";
    String long_name "Easting of Pixel Centers";
    String standard_name "projection_x_coordinate";
    String units "m";
  }
  IceConc {
    Float32 _FillValue -9.99;
    Float64 colorBarMaximum 1.0;
    Float64 colorBarMinimum 0.0;
    String coordinates "longitude latitude";
    Int32 cw:fraction_digits 16;
    String grid_mapping "polar_stereographic_proj";
    String ioos_category "Ice Distribution";
    String long_name "Ice Concentration";
    Float32 missing_value -9.99;
    String units "1";
  }
  NC_GLOBAL {
    String cdm_data_type "Grid";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creator_email "coastwatch.info@noaa.gov";
    String creator_name "NOAA/NESDIS/STAR/SOCD/CoastWatch";
    String creator_url "https://coastwatch.noaa.gov";
    String crs_wkt "PROJCS[\"WGS 84 / NSIDC Sea Ice Polar Stereographic South\",GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4326\"]],PROJECTION[\"Polar_Stereographic\"],PARAMETER[\"latitude_of_origin\",-70],PARAMETER[\"central_meridian\",0],PARAMETER[\"scale_factor\",1],PARAMETER[\"false_easting\",0],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH],AUTHORITY[\"EPSG\",\"3976\"]]";
    String cw:cwhdf_version "3.1";
    Float64 cw:et_affine 0.0, -795.000000000362, 795.0000000003621, 0.0, -3434002.5000015637, 3434002.5000015637;
    Int32 cw:gctp_datum 12;
    Float64 cw:gctp_parm 0.0, 0.0, 0.0, 0.0, 0.0, -7.0e+7, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0;
    Int32 cw:gctp_sys 6;
    Int32 cw:gctp_zone 0;
    String cw:orbit_type "ascending/descending";
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    String cw:projection "Polar Stereographic";
    String cw:satellite "NOAA-20";
    String cw:sensor "VIIRS";
    String cw:software_name "JRR-IceConcentration";
    String cw:software_version "v2r3";
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36329.313, 36415.069, 36500.825, 36584.795, 36670.551, 36756.307, 36842.063, 36926.033, 37011.789, 37097.545, 37183.302, 37269.058, 37353.027, 37438.784, 37524.54, 42133.936, 42217.905, 42303.661, 42389.418, 42475.174, 42559.143, 42644.9, 42730.656, 42816.412, 42902.168, 42986.138, 43071.894, 43157.65, 43243.407, 43327.376, 43413.132, 43498.889, 43584.645, 48192.254, 48278.01, 48363.766, 48449.523, 48535.279, 48619.248, 48705.005, 48790.761, 48876.517, 48960.487, 49046.243, 49131.999, 49217.755, 49301.725, 49387.481, 49473.237, 49558.994, 49644.75, 54252.359, 54338.115, 54423.871, 54509.627, 54593.597, 54679.353, 54765.109, 54850.865, 54934.835, 55020.591, 55106.347, 55192.104, 55277.86, 55361.829, 55447.586, 55533.342, 55619.098, 55703.068, 55788.824, 60398.219, 60483.975, 60567.945, 60653.701, 60739.457, 60825.214, 60910.97, 60994.939, 61080.696, 61166.452, 61252.208, 61336.178, 61421.934, 61507.69, 61593.446, 61679.202, 61763.172, 61848.928, 66458.323, 66544.08, 66628.049, 66713.806, 66799.562, 66885.318, 66969.288, 67055.043, 67140.8, 67226.556, 67312.312, 67396.282, 67482.038, 67567.794, 67653.551, 67737.52, 67823.276, 67909.033, 72518.428, 72602.398, 72688.154, 72773.91, 72859.666, 72945.423, 73029.392, 73115.149, 73200.905, 73286.661, 73370.631, 73456.387, 73542.143, 73627.899, 73711.869, 73797.625, 73883.381, 73969.137, 74054.894, 78662.503, 78748.259, 78834.015, 78919.771, 79003.741, 79089.497, 79175.253, 79261.009, 79344.979, 79430.735, 79516.491, 79602.248, 79688.004, 79771.974, 79857.73, 79943.486, 80029.242, 80113.212, 84722.608, 84808.364, 84894.12, 84978.09, 85063.846, 85149.602, 85235.358, 85321.114, 85405.084, 85490.84, 85576.596, 85662.353, 85746.322, 85832.078, 85917.835, 86003.591, 86087.56, 86173.317, 4382.712, 4468.468, 4554.225, 4638.194, 4723.95, 4809.707, 4895.463, 4979.432, 5065.189, 5150.945, 5236.701, 5320.671, 5406.427, 5492.183, 5577.939, 5663.695, 5747.665, 5833.421, 5919.177, 10528.573, 10612.542, 10698.299, 10784.055, 10869.811, 10953.781, 11039.537, 11125.293, 11211.049, 11296.805, 11380.775, 11466.531, 11552.287, 11638.044, 11722.013, 11807.769, 11893.526, 11979.282, 16586.891, 16672.647, 16758.401, 16844.159, 16929.916, 17013.885, 17099.641, 17185.398, 17271.154, 17355.123, 17440.88, 17526.636, 17612.392, 17698.148, 17782.118, 17867.874, 17953.63, 18039.386, 18123.356, 22732.752, 22818.508, 22904.264, 22988.234, 23073.99, 23159.746, 23245.502, 23331.259, 23415.228, 23500.984, 23586.741, 23672.497, 23756.466, 23842.223, 23927.979, 24013.735, 24097.705, 24183.461, 28792.857, 28878.613, 28964.369, 29048.339, 29134.095, 29219.851, 29305.607, 29389.577, 29475.333, 29561.089, 29646.845, 29730.815, 29816.571, 29902.328, 29988.084, 30073.84, 30157.81, 30243.566, 34852.962, 34938.718, 35022.687, 35108.444, 35194.2, 35279.956, 35363.926, 35449.682, 35535.438, 35621.194, 35706.95, 35790.92, 35876.676, 35962.432, 36048.189, 36132.158, 36217.915, 36303.671, 36389.427, 40997.036, 41082.792, 41168.548, 41254.305, 41340.061, 41424.03, 41509.787, 41595.543, 41681.299, 41765.269, 41851.025, 41936.781, 42022.537, 42106.507, 42192.263, 42278.019, 42363.776, 42449.532, 47057.141, 47142.897, 47228.653, 47314.41, 47398.379, 47484.135, 47569.892, 47655.648, 47739.617, 47825.374, 47911.13, 47996.886, 48082.642, 48166.612, 48252.368, 48338.124, 48423.881, 48507.85, 53117.246, 53203.002, 53288.758, 53372.728, 53458.484, 53544.24, 53629.996, 53715.753, 53799.722, 53885.478, 53971.235, 54056.991, 54140.96, 54226.717, 54312.473, 54398.229, 54483.985, 54567.955, 54653.711, 59263.106, 59348.863, 59432.832, 59518.588, 59604.345, 59690.101, 59774.07, 59859.827, 59945.583, 60031.339, 60117.095, 60201.065, 60286.821, 60372.577, 60458.333, 60542.303, 60628.059, 60713.815, 65323.211, 65407.181, 65492.937, 65578.693, 65664.448, 65750.205, 65834.175, 65919.931, 66005.687, 66091.444, 66175.413, 66261.168, 66346.926, 66432.682, 66516.651, 66602.407, 66688.164, 66773.92, 71383.316, 71467.285, 71553.041, 71638.798, 71724.554, 71808.524, 71894.28, 71980.036, 72065.792, 72149.762, 72235.518, 72321.274, 72407.03, 72492.787, 72576.756, 72662.512, 72748.269, 72834.025, 72917.994, 77527.39, 77613.146, 77698.903, 77782.872, 77868.628, 77954.385, 78040.141, 78125.897, 78209.867, 78295.623, 78381.379, 78467.135, 78551.105, 78636.861, 78722.617, 78808.373, 78894.13, 78978.099, 83587.495, 83673.251, 83759.007, 83842.977, 83928.733, 84014.489, 84100.246, 84184.215, 84269.971, 84355.728, 84441.484, 84525.453, 84611.21, 84696.966, 84782.722, 84868.478, 84952.448, 85038.204, 3247.6, 3333.356, 3417.326, 3503.082, 3588.838, 3674.594, 3758.564, 3844.32, 3930.076, 4015.832, 4101.589, 4185.558, 4271.314, 4357.071, 4442.827, 4526.796, 4612.553, 4698.309, 4784.065, 9391.674, 9477.43, 9563.186, 9648.943, 9734.699, 9818.668, 9904.425, 9990.181, 10075.937, 10159.907, 10245.663, 10331.419, 10417.175, 10502.931, 10586.901, 10672.657, 10758.413, 10844.17, 15451.779, 15537.535, 15623.291, 15709.047, 15793.017, 15878.773, 15964.529, 16050.285, 16136.042, 16220.011, 16305.767, 16391.524, 16477.278, 16561.249, 16647.006, 16732.76, 16818.518, 16902.488, 21511.883, 21597.64, 21683.396, 21769.152, 21853.122, 21938.878, 22024.634, 22110.39, 22194.36, 22280.116, 22365.872, 22451.629, 22535.598, 22621.354, 22707.111, 22792.867, 22878.623, 22962.593, 23048.349, 27657.745, 27743.501, 27827.471, 27913.227, 27998.983, 28084.739, 28168.709, 28254.465, 28340.221, 28425.977, 28511.734, 28595.703, 28681.459, 28767.216, 28852.972, 28936.941, 29022.698, 29108.454, 33717.85, 33801.819, 33887.576, 33973.332, 34059.088, 34144.844, 34228.814, 34314.57, 34400.326, 34486.082, 34570.052, 34655.808, 34741.564, 34827.321, 34913.077, 34997.046, 35082.803, 35168.559, 35254.315, 39861.924, 39947.681, 40033.437, 40119.193, 40203.163, 40288.919, 40374.675, 40460.431, 40544.401, 40630.157, 40715.913, 40801.669, 40887.426, 40971.395, 41057.151, 41142.908, 41228.664, 41312.634, 45922.029, 46007.786, 46093.542, 46177.511, 46263.268, 46349.024, 46434.78, 46520.536, 46604.506, 46690.262, 46776.018, 46861.775, 46945.744, 47031.5, 47117.257, 47203.013, 47288.769, 47372.739, 51982.134, 52067.891, 52153.647, 52237.616, 52323.373, 52409.129, 52494.885, 52578.855, 52664.611, 52750.367, 52836.123, 52921.879, 53005.849, 53091.605, 53177.361, 53263.118, 53347.087, 53432.843, 53518.6, 58127.995, 58211.965, 58297.721, 58383.477, 58469.234, 58554.99, 58638.959, 58724.716, 58810.472, 58896.228, 58980.198, 59065.954, 59151.71, 59237.466, 59321.436, 59407.192, 59492.948, 59578.704, 64188.1, 64272.07, 64357.826, 64443.582, 64529.338, 64613.308, 64699.064, 64784.82, 64870.576, 64954.546, 65040.302, 65126.058, 65211.815, 65297.571, 65381.541, 65467.297, 65553.053, 65638.808, 70246.418, 70332.174, 70417.931, 70503.687, 70587.656, 70673.413, 70759.169, 70844.925, 70930.681, 71014.651, 71100.407, 71186.163, 71271.92, 71355.889, 71441.645, 71527.402, 71613.158, 71698.914, 71782.884, 76392.279, 76478.036, 76563.792, 76647.761, 76733.518, 76819.274, 76905.03, 76989.0, 77074.756, 77160.512, 77246.268, 77332.024, 77415.994, 77501.75, 77587.506, 77673.263, 77757.232, 77842.988, 82452.384, 82538.141, 82622.11, 82707.866, 82793.623, 82879.379, 82965.135, 83049.105, 83134.861, 83220.617, 83306.373, 83390.343, 83476.099, 83561.855, 83647.612, 83731.581, 83817.337, 83903.094;
    Int32 cw:swath_sync_lines 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16;
    Float64 cw:temporal_extent 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 84.0, 82.0, 84.0, 84.0, 84.0, 82.0, 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    String cw:viirs_band_naming_convention "IDPS";
    String cw_satellite "NOAA-20";
    String date_created "2021-04-27T06:06:04Z";
    String defaultGraphQuery 
"IceConc%5B(time_coverage_end)%5D%5B(0.0)%5D%5B(3255922.5):(-3255922.5)%5D%5B(-3255922.5):(3255922.5)%5D&.draw=surface&.vars=cols%7Cro
ws%7CIceConc&.colorBar=CMOCEAN_ice%7C%7C%7C%7C%7C&.bgColor=0xffccccff";
    Float64 geospatial_vertical_max 0.0;
    Float64 geospatial_vertical_min 0.0;
    String geospatial_vertical_positive "up";
    String geospatial_vertical_units "m";
    String history 
"JRR Ice Concentration v2r0
2021-07-27T15:09:36Z (local files)
2021-07-27T15:09:36Z https://coastwatch.noaa.gov/erddap/griddap/noaacwVIIRSn20iceconcSP06Daily4Day.das";
    String identifier_product_doi_authority "https://dx.doi.org";
    String infoUrl "https://coastwatch.noaa.gov";
    String institution "NOAA NESDIS CoastWatch";
    String instrument "VIIRS";
    String keywords "Earth Science > Cryosphere > Sea Ice > Sea Ice Concentration, Earth Science > Oceans > Sea Ice > Sea Ice Concentration";
    String keywords_vocabulary "GCMD Science Keywords";
    String license 
"https://science.nasa.gov/earth-science/earth-science-data/data-information-policy/ The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.";
    String naming_authority "gov.noaa.coastwatch";
    String OBSERVED_PROPERTY "IceConc";
    String platform "NOAA-20";
    String proj4text "+proj=stere +lat_0=-90 +lat_ts=-70 +lon_0=0 +k=1 +x_0=0 +y_0=0 +datum=WGS84 +units=m +no_defs";
    String source "NOAA-20_VIIRS_IceConc";
    String sourceUrl "(local files)";
    String srid "EPSG:3976";
    String standard_name_vocabulary "CF Standard Name Table v29";
    String summary "Enterprise Ice Concentration/ Ice Mask/ Ice Surface Temperature Products";
    String testOutOfDate "now-2days";
    String time_coverage_end "2021-04-22T00:00:00Z";
    String time_coverage_start "2021-04-13T00:00:00Z";
    String title "Ice Concentration, NOAA-20 VIIRS, Near Real-Time, Polar Stereographic (South), Daily 4-day Composite";
  }
}

 

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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://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.