ERDDAP > tabledap > Data Access Form

Dataset Title:	Observations of snow sublimation in Ny-Ålesund, Svalbard
Institution:	Institute of Atmospheric Sciences and Climate   (Dataset ID: c4953def-c151-404a-8ed4-e7ae519cb95b)
Information:	Summary | License | FGDC | ISO 19115 | Metadata | Background | Files | Make a graph

 

Variable	Optional Constraint #1		Optional Constraint #2		Minimum	Maximum
time (UTC)	!= =~ <= >= = < >		!= =~ <= >= = < >		2021-04-09T14:00:00Z	2023-09-15T16:00:00Z
H (Sensible Heat Flux, W m-2)	!= =~ <= >= = < >		!= =~ <= >= = < >		-94.7832	87.0046
h2o_mixing_ratio (mmol mol-1)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.569772	12.5397
h2o_flux (mmol s-1 m-2)	!= =~ <= >= = < >		!= =~ <= >= = < >		-0.184454	1.51869
LE (W m-2)	!= =~ <= >= = < >		!= =~ <= >= = < >		-8.35563829784409	68.6367427290942
LS (W m-2)	!= =~ <= >= = < >		!= =~ <= >= = < >		-9.47414049817173	77.8505498775243
Ts (sonic_temperature, °K)	!= =~ <= >= = < >		!= =~ <= >= = < >		251.221	290.201
air_temperature (°C)	!= =~ <= >= = < >		!= =~ <= >= = < >		-22.86374408	17.063
air_pressure (Pa)	!= =~ <= >= = < >		!= =~ <= >= = < >		94058.86631	102834.0
RH (Relative Humidity, %)	!= =~ <= >= = < >		!= =~ <= >= = < >		19.2637	99.0226
VPD (Vapour Pressure Deficit, Pa)	!= =~ <= >= = < >		!= =~ <= >= = < >		6.40542	1000.84
wind_speed (m s-1)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0355304	22.4133307
wind_dir (degree North)	!= =~ <= >= = < >		!= =~ <= >= = < >		10.0345	259.956
ustar (friction velocity, m s-1)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.010942	1.33546
TKE (Turbulent Kinetic Energy, m s-2)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.00546388	17.3526
L (Monin-Obhukov Length, m)	!= =~ <= >= = < >		!= =~ <= >= = < >		-385153.0	1013900.0
Ts1 (Soil Temperature 5cm, °C)	!= =~ <= >= = < >		!= =~ <= >= = < >		-17.464	16.145
Ts2 (Soil Temperature 10cm, °C)	!= =~ <= >= = < >		!= =~ <= >= = < >		-16.829	15.138
ground_flux_1cm (Heat Ground Flux 1cm, W m-2)	!= =~ <= >= = < >		!= =~ <= >= = < >		-64.6920813559322	38.9218706842435
ground_flux_10cm (Heat Ground Flux 10cm, W m-2)	!= =~ <= >= = < >		!= =~ <= >= = < >		-64.4480677966102	37.9632949152542
LW_in (W m-2)	!= =~ <= >= = < >		!= =~ <= >= = < >		125.0788	364.0091
SW_in (W m-2)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	933.32
LW_out (W m-2)	!= =~ <= >= = < >		!= =~ <= >= = < >		184.7045	408.0326
SW_out (W m-2)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	540.6733
Rn (Net Radiation, W m-2)	!= =~ <= >= = < >		!= =~ <= >= = < >		-113.36397	572.0823
snow_h (Snow Depth, m)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	0.5558162
h2o_flux_f (mmol s-1 m-2)	!= =~ <= >= = < >		!= =~ <= >= = < >		-0.18445	1.5187
H_f (W m-2)	!= =~ <= >= = < >		!= =~ <= >= = < >		-94.783	87.005
VPD_f (Pa)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.064054	10.0084
deltaS (mm w.e.)	!= =~ <= >= = < >		!= =~ <= >= = < >		-0.005981289858	0.04924656063
T_skin (Skin Temperature, °C)	!= =~ <= >= = < >		!= =~ <= >= = < >		-33.6448779141661	18.8407894553874
station_id	!= =~ <= >= = < >		!= =~ <= >= = < >		"observations_of_sn..."	"observations_of_sn..."
latitude (degrees_north)	!= =~ <= >= = < >		!= =~ <= >= = < >		78.92	78.92
longitude (degrees_east)	!= =~ <= >= = < >		!= =~ <= >= = < >		11.87	11.87

 

Server-side Functions

distinct()

orderBy orderByDescending orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax orderByMean orderBySum (" time H h2o_mixing_ratio h2o_flux LE LS Ts air_temperature air_pressure RH VPD wind_speed wind_dir ustar TKE L Ts1 Ts2 ground_flux_1cm ground_flux_10cm LW_in SW_in LW_out SW_out Rn snow_h h2o_flux_f H_f VPD_f deltaS T_skin station_id latitude longitude time H h2o_mixing_ratio h2o_flux LE LS Ts air_temperature air_pressure RH VPD wind_speed wind_dir ustar TKE L Ts1 Ts2 ground_flux_1cm ground_flux_10cm LW_in SW_in LW_out SW_out Rn snow_h h2o_flux_f H_f VPD_f deltaS T_skin station_id latitude longitude time H h2o_mixing_ratio h2o_flux LE LS Ts air_temperature air_pressure RH VPD wind_speed wind_dir ustar TKE L Ts1 Ts2 ground_flux_1cm ground_flux_10cm LW_in SW_in LW_out SW_out Rn snow_h h2o_flux_f H_f VPD_f deltaS T_skin station_id latitude longitude time H h2o_mixing_ratio h2o_flux LE LS Ts air_temperature air_pressure RH VPD wind_speed wind_dir ustar TKE L Ts1 Ts2 ground_flux_1cm ground_flux_10cm LW_in SW_in LW_out SW_out Rn snow_h h2o_flux_f H_f VPD_f deltaS T_skin station_id latitude longitude time H h2o_mixing_ratio h2o_flux LE LS Ts air_temperature air_pressure RH VPD wind_speed wind_dir ustar TKE L Ts1 Ts2 ground_flux_1cm ground_flux_10cm LW_in SW_in LW_out SW_out Rn snow_h h2o_flux_f H_f VPD_f deltaS T_skin station_id latitude longitude ")

File type: (more information) .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. .dataTable - A JSON file formatted for use with the Google Visualization client library (Google Charts). .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. .esriCsv - Download a ISO_8859_1 .csv file for ESRI's ArcGIS 9.x and below (separate date and time columns). .fgdc - View the dataset's UTF-8 FGDC .xml metadata. .geoJson - Download longitude,latitude,otherColumns data as a UTF-8 GeoJSON .json file. .graph - View a Make A Graph web page. .help - View a web page with a description of tabledap. .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 response column 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 flat, table-like, NetCDF-3 binary file with COARDS/CF/ACDD metadata. .ncHeader - View the UTF-8 header (the metadata) for the NetCDF-3 .nc file. .ncCF - Download a NetCDF-3 CF Discrete Sampling Geometries file (Contiguous Ragged Array). .ncCFHeader - View the UTF-8 header (the metadata) for the .ncCF file. .ncCFMA - Download a NetCDF-3 CF Discrete Sampling Geometries file (Multidimensional Array). .ncCFMAHeader - View the UTF-8 header (the metadata) for the .ncCFMA 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 longitude,latitude,time,otherColumns as an ISO-8859-1 ODV Generic Spreadsheet File (.txt). .subset - View an HTML form which uses faceted search to simplify picking subsets of the data. .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. .kml - View a .kml file, suitable for Google Earth. .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 {
 s {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.6179768e+9, 1.6947936e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "Time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String time_precision "1970-01-01T00:00:00Z";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  H {
    Float64 _FillValue NaN;
    Float64 actual_range -94.7832, 87.0046;
    String long_name "Sensible Heat Flux";
    String standard_name "sensible heat flux";
    String units "W m-2";
  }
  h2o_mixing_ratio {
    Float64 _FillValue NaN;
    Float64 actual_range 0.569772, 12.5397;
    String long_name "H2O Mixing Ratio";
    String standard_name "mixing ratio h2o";
    String units "mmol mol-1";
  }
  h2o_flux {
    Float64 _FillValue NaN;
    Float64 actual_range -0.184454, 1.51869;
    String long_name "H2O Flux";
    String standard_name "water_vapour flux";
    String units "mmol s-1 m-2";
  }
  LE {
    Float64 _FillValue NaN;
    Float64 actual_range -8.35563829784409, 68.6367427290942;
    String long_name "Latent Heat Flux of Evaporation";
    String standard_name "latent_heat_flux";
    String units "W m-2";
  }
  LS {
    Float64 _FillValue NaN;
    Float64 actual_range -9.47414049817173, 77.8505498775243;
    String long_name "Latent Heat Flux of Sublimation";
    String standard_name "latent_heat_flux";
    String units "W m-2";
  }
  Ts {
    Float64 _FillValue NaN;
    Float64 actual_range 251.221, 290.201;
    String long_name "sonic_temperature";
    String standard_name "sonic_temperature";
    String units "°K";
  }
  air_temperature {
    Float64 _FillValue NaN;
    Float64 actual_range -22.86374408, 17.063;
    String long_name "Air Temperature";
    String standard_name "air_temperature";
    String units "°C";
  }
  air_pressure {
    Float64 _FillValue NaN;
    Float64 actual_range 94058.86631, 102834.0;
    String long_name "Air Pressure";
    String standard_name "air_pressure";
    String units "Pa";
  }
  RH {
    Float64 _FillValue NaN;
    Float64 actual_range 19.2637, 99.0226;
    String long_name "Relative Humidity";
    String standard_name "relative_humidity";
    String units "%";
  }
  VPD {
    Float64 _FillValue NaN;
    Float64 actual_range 6.40542, 1000.84;
    String long_name "Vapour Pressure Deficit";
    String standard_name "vapour_pressure_deficit";
    String units "Pa";
  }
  wind_speed {
    Float64 _FillValue NaN;
    Float64 actual_range 0.0355304, 22.4133307;
    String long_name "Wind Speed";
    String standard_name "wind_speed";
    String units "m s-1";
  }
  wind_dir {
    Float64 _FillValue NaN;
    Float64 actual_range 10.0345, 259.956;
    String long_name "Wind From Direction";
    String standard_name "wind_from_direction";
    String units "degree North";
  }
  ustar {
    Float64 _FillValue NaN;
    Float64 actual_range 0.010942, 1.33546;
    String long_name "friction velocity";
    String standard_name "friction_velocity";
    String units "m s-1";
  }
  TKE {
    Float64 _FillValue NaN;
    Float64 actual_range 0.00546388, 17.3526;
    String long_name "Turbulent Kinetic Energy";
    String standard_name "turbulent_kinetic_energy";
    String units "m s-2";
  }
  L {
    Float64 _FillValue NaN;
    Float64 actual_range -385153.0, 1013900.0;
    String long_name "Monin-Obhukov Length";
    String standard_name "obhukov_length";
    String units "m";
  }
  Ts1 {
    Float32 _FillValue NaN;
    Float32 actual_range -17.464, 16.145;
    String long_name "Soil Temperature 5cm";
    String standard_name "soil_temperature";
    String units "°C";
  }
  Ts2 {
    Float32 _FillValue NaN;
    Float32 actual_range -16.829, 15.138;
    String long_name "Soil Temperature 10cm";
    String standard_name "soil_temperature";
    String units "°C";
  }
  ground_flux_1cm {
    Float64 _FillValue NaN;
    Float64 actual_range -64.6920813559322, 38.9218706842435;
    String long_name "Heat Ground Flux 1cm";
    String standard_name "heat_ground_flux";
    String units "W m-2";
  }
  ground_flux_10cm {
    Float64 _FillValue NaN;
    Float64 actual_range -64.4480677966102, 37.9632949152542;
    String long_name "Heat Ground Flux 10cm";
    String standard_name "heat_ground_flux";
    String units "W m-2";
  }
  LW_in {
    Float64 _FillValue NaN;
    Float64 actual_range 125.0788, 364.0091;
    String long_name "long wave radiation incoming";
    String standard_name "long_wave_radiation_incoming";
    String units "W m-2";
  }
  SW_in {
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 933.32;
    String long_name "short wave radiation incoming";
    String standard_name "short_wave_radiation_incoming";
    String units "W m-2";
  }
  LW_out {
    Float64 _FillValue NaN;
    Float64 actual_range 184.7045, 408.0326;
    String long_name "long wave radiation outcoming";
    String standard_name "long_wave_radiation_outcoming";
    String units "W m-2";
  }
  SW_out {
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 540.6733;
    String long_name "short wave radiation outcoming";
    String standard_name "short_wave_radiation_outcoming";
    String units "W m-2";
  }
  Rn {
    Float64 _FillValue NaN;
    Float64 actual_range -113.36397, 572.0823;
    String long_name "Net Radiation";
    String standard_name "net_radiation";
    String units "W m-2";
  }
  snow_h {
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 0.5558162;
    String long_name "Snow Depth";
    String standard_name "snow_depth";
    String units "m";
  }
  h2o_flux_f {
    Float32 actual_range -0.18445, 1.5187;
    String long_name "H2O flux gap filled";
    String standard_name "water_vapour_flux";
    String units "mmol s-1 m-2";
  }
  H_f {
    Float32 actual_range -94.783, 87.005;
    String long_name "Sensible Heat Flux gap filled";
    String standard_name "sensible_heat_flux";
    String units "W m-2";
  }
  VPD_f {
    Float32 actual_range 0.064054, 10.0084;
    String long_name "vapour pressure deficit gap filled";
    String standard_name "vapour_pressure_deficit";
    String units "Pa";
  }
  deltaS {
    Float64 actual_range -0.005981289858, 0.04924656063;
    String long_name "cumulated H2O mass w.e.";
    String standard_name "h2o_w.e.";
    String units "mm w.e.";
  }
  T_skin {
    Float64 _FillValue NaN;
    Float64 actual_range -33.6448779141661, 18.8407894553874;
    String long_name "Skin Temperature";
    String standard_name "skin_temperature";
    String units "°C";
  }
  station_id {
    String actual_range 
"observations_of_snow_sublimation_in_nylesund_svalbard
observations_of_snow_sublimation_in_nylesund_svalbard";
    String cf_role "timeseries_id";
    String long_name "Id of the station in the TimeSeries";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 78.92, 78.92;
    String axis "Y";
    String ioos_category "Location";
    String long_name "latitude position of the station";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range 11.87, 11.87;
    String axis "X";
    String ioos_category "Location";
    String long_name "longitude position of the station";
    String standard_name "longitude";
    String units "degrees_east";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "station_id,latitude,longitude";
    String contributor_email "mauro.mazzola@cnr.it; federico.scoto@cnr.it; simonetta.montaguti@cnr.it; stefano.decesari@cnr.it; daniela.famulari@cnr.it";
    String contributor_institution "Institute of Atmospheric Sciences and Climate";
    String contributor_name "Mauro Mazzola; Federico Scoto; Simonetta Montaguti; Stefano Decesari; Daniela Famulari";
    String Conventions "COARDS, CF-1.10, ACDD-1.3";
    String creator_email "antonio.donateo@cnr.it";
    String creator_name "Antonio Donateo";
    String creator_url "https://www.isac.cnr.it";
    Float64 Easternmost_Easting 11.87;
    String featureType "TimeSeries";
    Float64 geospatial_lat_max 78.92;
    Float64 geospatial_lat_min 78.92;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 11.87;
    Float64 geospatial_lon_min 11.87;
    String geospatial_lon_units "degrees_east";
    String history 
"The dataset runs from 9 April 2021 until 15 September 2023 (30 min resolution)
2026-07-12T18:44:43Z (local files)
2026-07-12T18:44:43Z https://data.iadc.cnr.it/erddap/tabledap/c4953def-c151-404a-8ed4-e7ae519cb95b.html";
    String infoUrl "https://www.isac.cnr.it";
    String institution "Institute of Atmospheric Sciences and Climate";
    String keywords "CCT, eddy covariace, snow, sublimation, turbulent flux, water vapour flux";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "CC BY-NC-SA 4.0";
    Float64 Northernmost_Northing 78.92;
    String publisher_name "Italian Arctic Data Center";
    String publisher_type "group";
    String publisher_url "https://iadc.cnr.it";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 78.92;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary "Measurement of the water vapour turbulent flux and sublimation process at 15 m above sea level on the CCT.";
    String time_coverage_end "2023-09-15T16:00:00Z";
    String time_coverage_start "2021-04-09T14:00:00Z";
    String title "Observations of snow sublimation in Ny-Ålesund, Svalbard";
    Float64 Westernmost_Easting 11.87;
  }
}

 

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Using tabledap to Request Data and Graphs from Tabular Datasets

tabledap lets you request a data subset, a graph, or a map from a tabular dataset (for example, buoy data), via a specially formed URL. tabledap uses the OPeNDAP Data Access Protocol (DAP) and its selection 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 or Subset form. They make 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.

Tabledap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/pmelTaoDySst.htmlTable?longitude,latitude,time,station,wmo_platform_code,T_25&time>=2015-05-23T12:00:00Z&time<=2015-05-31T12:00:00Z
Thus, the query is often a comma-separated list of desired variable names, followed by a collection of constraints (e.g., variable<value), each preceded by '&' (which is interpreted as "AND").

For details, see the tabledap Documentation.

 

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