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Dataset Title:	MALO4 timeSeries, NRT in situ Observations
Institution:	National Institute of Oceanography and Applied Geophysics - OGS, Division of Oceanography   (Dataset ID: MALO4_TS)
Information:	Summary | License | FGDC | ISO 19115 | Metadata | Background | Subset | Make a graph

 

Variable	Optional Constraint #1		Optional Constraint #2		Minimum    or a List of Values	Maximum
time (UTC)	!= =~ <= >= = < >		!= =~ <= >= = < >		2026-01-01T00:00:00Z
latitude (degrees_north)	!= =~ <= >= = < >		!= =~ <= >= = < >
longitude (degrees_east)	!= =~ <= >= = < >		!= =~ <= >= = < >
depth (m)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.5
sensor_id	!= =~ <= >= = < >		!= =~ <= >= = < >		"WIMO"
platform_id	!= =~ <= >= = < >		!= =~ <= >= = < >		"MALO4"
PRES (sea water pressure, dbar)	!= =~ <= >= = < >		!= =~ <= >= = < >
PRES_QC	!= =~ <= >= = < >		!= =~ <= >= = < >
DOXY (mg/l)	!= =~ <= >= = < >		!= =~ <= >= = < >
DOXY_QC	!= =~ <= >= = < >		!= =~ <= >= = < >
TUR4 (sea water turbidity, NTU)	!= =~ <= >= = < >		!= =~ <= >= = < >
TUR4_QC	!= =~ <= >= = < >		!= =~ <= >= = < >
CNDC (mS/cm)	!= =~ <= >= = < >		!= =~ <= >= = < >
CNDC_QC	!= =~ <= >= = < >		!= =~ <= >= = < >
TEMP (sea water temperature, degC)	!= =~ <= >= = < >		!= =~ <= >= = < >
TEMP_QC	!= =~ <= >= = < >		!= =~ <= >= = < >
PSAL (sea water salinity, PSU)	!= =~ <= >= = < >		!= =~ <= >= = < >
PSAL_QC	!= =~ <= >= = < >		!= =~ <= >= = < >
SVEL (m/s)	!= =~ <= >= = < >		!= =~ <= >= = < >
SVEL_QC	!= =~ <= >= = < >		!= =~ <= >= = < >
CPWC (ppb)	!= =~ <= >= = < >		!= =~ <= >= = < >
CPWC_QC	!= =~ <= >= = < >		!= =~ <= >= = < >
WIMO (NKE WiMo multiparameter sonde)	!= =~ <= >= = < >		!= =~ <= >= = < >
MALO4	!= =~ <= >= = < >		!= =~ <= >= = < >

 

Server-side Functions

distinct()

orderBy orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax orderByMean orderBySum (" time latitude longitude depth sensor_id platform_id PRES PRES_QC DOXY DOXY_QC TUR4 TUR4_QC CNDC CNDC_QC TEMP TEMP_QC PSAL PSAL_QC SVEL SVEL_QC CPWC CPWC_QC WIMO MALO4 time latitude longitude depth sensor_id platform_id PRES PRES_QC DOXY DOXY_QC TUR4 TUR4_QC CNDC CNDC_QC TEMP TEMP_QC PSAL PSAL_QC SVEL SVEL_QC CPWC CPWC_QC WIMO MALO4 time latitude longitude depth sensor_id platform_id PRES PRES_QC DOXY DOXY_QC TUR4 TUR4_QC CNDC CNDC_QC TEMP TEMP_QC PSAL PSAL_QC SVEL SVEL_QC CPWC CPWC_QC WIMO MALO4 time latitude longitude depth sensor_id platform_id PRES PRES_QC DOXY DOXY_QC TUR4 TUR4_QC CNDC CNDC_QC TEMP TEMP_QC PSAL PSAL_QC SVEL SVEL_QC CPWC CPWC_QC WIMO MALO4 time latitude longitude depth sensor_id platform_id PRES PRES_QC DOXY DOXY_QC TUR4 TUR4_QC CNDC CNDC_QC TEMP TEMP_QC PSAL PSAL_QC SVEL SVEL_QC CPWC CPWC_QC WIMO MALO4 ")

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.7672256e+9, NaN;
    String axis "T";
    String ioos_category "Time";
    String long_name "Time";
    String sdn_parameter_name "Elapsed time relative to 1970-01-01T00:00:00Z";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/ELTMEP01/";
    String sdn_parameter_urn "SDN:P01::ELTMEP01";
    String sdn_uom_name "Seconds";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/UTBB";
    String sdn_uom_urn "SDN:P06::UTBB";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
    String variable_type "coordinate";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String sdn_parameter_name "Latitude north";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/ALATZZ01/";
    String sdn_parameter_urn "SDN:P01::ALATZZ01";
    String sdn_uom_name "Degrees north";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/DEGN";
    String sdn_uom_urn "SDN:P06::DEGN";
    String standard_name "latitude";
    String units "degrees_north";
    String variable_type "coordinate";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String sdn_parameter_name "Longitude east";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/ALONZZ01/";
    String sdn_parameter_urn "SDN:P01::ALONZZ01";
    String sdn_uom_name "Degrees east";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/DEGE";
    String sdn_uom_urn "SDN:P06::DEGE";
    String standard_name "longitude";
    String units "degrees_east";
    String variable_type "coordinate";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float32 actual_range 0.5, 0.5;
    String axis "Z";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String sdn_parameter_name "Depth (spatial coordinate) relative to water surface in the water body";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/ADEPZZ01/";
    String sdn_parameter_urn "SDN:P01::ADEPZZ01";
    String sdn_uom_name "Metres";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/ULAA";
    String sdn_uom_urn "SDN:P06::ULAA";
    String standard_name "depth";
    String units "m";
    String variable_type "coordinate";
  }
  sensor_id {
    String ioos_category "Identifier";
    String long_name "Identifier of the sensor that took the measurement";
    String sdn_parameter_name "Name of sampling instrument";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/NMSPINST/";
    String sdn_parameter_urn "SDN:P01::NMSPINST";
    String variable_type "coordinate";
  }
  platform_id {
    String cf_role "timeseries_id";
    String ioos_category "Identifier";
    String long_name "Identifier of the sensor that took the measurement";
    String sdn_parameter_name "Name of sampling platform";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/NMSPPF01/";
    String sdn_parameter_urn "SDN:P01::NMSPPF01";
    String standard_name "platform_id";
    String variable_type "coordinate";
  }
  PRES {
    String ancillary_variables "PRES_QC";
    String coordinates "time latitude longitude depth sensor_id platform_id";
    String ioos_category "Unknown";
    String long_name "sea water pressure";
    String sdn_parameter_name "Pressure (spatial coordinate) exerted by the water body by profiling pressure sensor and correction to read zero at sea level";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/PRESPR01";
    String sdn_parameter_urn "SDN:P01::PRESPR01";
    String sdn_uom_name "Decibars";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/UPDB";
    String sdn_uom_urn "SDN:P06::UPDB";
    String standard_name "sea_water_pressure";
    String units "dbar";
    String variable_type "environmental";
  }
  PRES_QC {
    String _Unsigned "true";
    String conventions "OceanSITES QC Flags";
    String flag_meanings "unknown good_data probably_good_data potentially_correctable_bad_data bad_data nominal_value interpolated_value missing_value";
    String flag_values "0 1 2 3 4 7 8 9";
    String ioos_category "Quality";
    String long_name "sea water pressure quality control flags";
    String variable_type "quality_control";
  }
  DOXY {
    String ancillary_variables "DOXY_QC";
    String coordinates "time latitude longitude depth sensor_id platform_id";
    String ioos_category "Unknown";
    String long_name "volume fraction of oxygen in sea water";
    String sdn_parameter_name "Concentration of oxygen {O2 CAS 7782-44-7} per unit volume of the water body [dissolved plus reactive particulate phase] by in-situ sensor";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/DOXYZZ01";
    String sdn_parameter_urn "SDN:P01::DOXYZZ01";
    String sdn_uom_name "Milligrams per litre";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/UMGL";
    String sdn_uom_urn "SDN:P06::UMGL";
    String standard_name "volume_fraction_of_oxygen_in_sea_water";
    String units "mg/l";
    String variable_type "environmental";
  }
  DOXY_QC {
    String _Unsigned "true";
    String conventions "OceanSITES QC Flags";
    String flag_meanings "unknown good_data probably_good_data potentially_correctable_bad_data bad_data nominal_value interpolated_value missing_value";
    String flag_values "0 1 2 3 4 7 8 9";
    String ioos_category "Quality";
    String long_name "volume fraction of oxygen in sea water quality control flags";
    String variable_type "quality_control";
  }
  TUR4 {
    String ancillary_variables "TUR4_QC";
    String coordinates "time latitude longitude depth sensor_id platform_id";
    String ioos_category "Unknown";
    String long_name "sea water turbidity";
    String sdn_parameter_name "Turbidity of water in the water body";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/TURBXXXX";
    String sdn_parameter_urn "SDN:P01::TURBXXXX";
    String sdn_uom_name "Nephelometric Turbidity Units";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/USTU";
    String sdn_uom_urn "SDN:P06::USTU";
    String standard_name "sea_water_turbidity";
    String units "NTU";
    String variable_type "environmental";
  }
  TUR4_QC {
    String _Unsigned "true";
    String conventions "OceanSITES QC Flags";
    String flag_meanings "unknown good_data probably_good_data potentially_correctable_bad_data bad_data nominal_value interpolated_value missing_value";
    String flag_values "0 1 2 3 4 7 8 9";
    String ioos_category "Quality";
    String long_name "sea water turbidity quality control flags";
    String variable_type "quality_control";
  }
  CNDC {
    String ancillary_variables "CNDC_QC";
    String coordinates "time latitude longitude depth sensor_id platform_id";
    String ioos_category "Unknown";
    String long_name "sea water electrical conductivity";
    String sdn_parameter_name "Electrical conductivity of the water body";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/CNDCZZ01";
    String sdn_parameter_urn "SDN:P01::CNDCZZ01";
    String sdn_uom_name "MilliSiemens per centimetre";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/MSCM";
    String sdn_uom_urn "SDN:P06::MSCM";
    String standard_name "sea_water_electrical_conductivity";
    String units "mS/cm";
    String variable_type "environmental";
  }
  CNDC_QC {
    String _Unsigned "true";
    String conventions "OceanSITES QC Flags";
    String flag_meanings "unknown good_data probably_good_data potentially_correctable_bad_data bad_data nominal_value interpolated_value missing_value";
    String flag_values "0 1 2 3 4 7 8 9";
    String ioos_category "Quality";
    String long_name "sea water electrical conductivity quality control flags";
    String variable_type "quality_control";
  }
  TEMP {
    String ancillary_variables "TEMP_QC";
    String coordinates "time latitude longitude depth sensor_id platform_id";
    String ioos_category "Unknown";
    String long_name "sea water temperature";
    String sdn_parameter_name "Temperature of the water body";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/TEMPPR01";
    String sdn_parameter_urn "SDN:P01::TEMPPR01";
    String sdn_uom_name "Degrees Celsius";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/UPAA";
    String sdn_uom_urn "SDN:P06::UPAA";
    String standard_name "sea_water_temperature";
    String units "degC";
    String variable_type "environmental";
  }
  TEMP_QC {
    String _Unsigned "true";
    String conventions "OceanSITES QC Flags";
    String flag_meanings "unknown good_data probably_good_data potentially_correctable_bad_data bad_data nominal_value interpolated_value missing_value";
    String flag_values "0 1 2 3 4 7 8 9";
    String ioos_category "Quality";
    String long_name "sea water temperature quality control flags";
    String variable_type "quality_control";
  }
  PSAL {
    String ancillary_variables "PSAL_QC";
    String coordinates "time latitude longitude depth sensor_id platform_id";
    String ioos_category "Unknown";
    String long_name "sea water salinity";
    String sdn_parameter_name "Salinity of the water body by CTD";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/SSALST01";
    String sdn_parameter_urn "SDN:P01::SSALST01";
    String sdn_uom_name "Practical salinity units";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/PSUX";
    String sdn_uom_urn "SDN:P06::PSUX";
    String standard_name "sea_water_salinity";
    String units "PSU";
    String variable_type "environmental";
  }
  PSAL_QC {
    String _Unsigned "true";
    String conventions "OceanSITES QC Flags";
    String flag_meanings "unknown good_data probably_good_data potentially_correctable_bad_data bad_data nominal_value interpolated_value missing_value";
    String flag_values "0 1 2 3 4 7 8 9";
    String ioos_category "Quality";
    String long_name "sea water salinity quality control flags";
    String variable_type "quality_control";
  }
  SVEL {
    String ancillary_variables "SVEL_QC";
    String coordinates "time latitude longitude depth sensor_id platform_id";
    String ioos_category "Unknown";
    String long_name "speed of sound in sea water";
    String sdn_parameter_name "Speed of sound {'sound velocity'} in the water body by computation from temperature and salinity by unspecified algorithm";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/SVELCV01";
    String sdn_parameter_urn "SDN:P01::SVELCV01";
    String sdn_uom_name "Metres per second";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/UVAA";
    String sdn_uom_urn "SDN:P06::UVAA";
    String standard_name "speed_of_sound_in_sea_water";
    String units "m/s";
    String variable_type "environmental";
  }
  SVEL_QC {
    String _Unsigned "true";
    String conventions "OceanSITES QC Flags";
    String flag_meanings "unknown good_data probably_good_data potentially_correctable_bad_data bad_data nominal_value interpolated_value missing_value";
    String flag_values "0 1 2 3 4 7 8 9";
    String ioos_category "Quality";
    String long_name "speed of sound in sea water quality control flags";
    String variable_type "quality_control";
  }
  CPWC {
    String ancillary_variables "CPWC_QC";
    String coordinates "time latitude longitude depth sensor_id platform_id";
    String ioos_category "Unknown";
    String long_name "mass concentration of chlorophyll a in sea water";
    String sdn_parameter_name "Concentration of chlorophyll-a {chl-a CAS 479-61-8} per unit volume of the water body [particulate >unknown phase] by in-situ chlorophyll fluorometer";
    String sdn_parameter_uri "https://vocab.nerc.ac.uk/collection/P01/current/CPHLPR01";
    String sdn_parameter_urn "SDN:P01::CPHLPR01";
    String sdn_uom_name "Parts per billion";
    String sdn_uom_uri "https://vocab.nerc.ac.uk/collection/P06/current/UPPB";
    String sdn_uom_urn "SDN:P06::UPPB";
    String standard_name "mass_concentration_of_chlorophyll_a_in_sea_water";
    String units "ppb";
    String variable_type "environmental";
  }
  CPWC_QC {
    String _Unsigned "true";
    String conventions "OceanSITES QC Flags";
    String flag_meanings "unknown good_data probably_good_data potentially_correctable_bad_data bad_data nominal_value interpolated_value missing_value";
    String flag_values "0 1 2 3 4 7 8 9";
    String ioos_category "Quality";
    String long_name "mass concentration of chlorophyll a in sea water quality control flags";
    String variable_type "quality_control";
  }
  WIMO {
    String ioos_category "Identifier";
    String long_name "NKE WiMo multiparameter sonde";
    String sdn_instrument_name "NKE WiMo multiparameter sonde";
    String sdn_instrument_uri "https://vocab.nerc.ac.uk/collection/L22/current/TOOL2237";
    String sdn_instrument_urn "SDN:L22::TOOL2237";
    String sensor_id "WIMO";
    String sensor_manufacturer_name "NKE Instrumentation";
    String sensor_manufacturer_uri "https://vocab.nerc.ac.uk/collection/L35/current/MAN0170/";
    String sensor_manufacturer_urn "SDN:L35::MAN0170";
    String sensor_mount "mounted_on_surface_buoy";
    String sensor_orientation "horizontal";
    String sensor_SeaVoX_L22_code "SDN:L22::TOOL2237";
    String sensor_serial_number "5a5d";
    String sensor_type_name "CTD";
    String sensor_type_uri "https://vocab.nerc.ac.uk/collection/L05/current/130";
    String sensor_type_urn "SDN:L05::130";
    String variable_type "sensor";
  }
  MALO4 {
    String ioos_category "Identifier";
    String long_name "MALO4";
    String platform_id "MALO4";
    String platform_type_name "mooring";
    String platform_type_uri "https://vocab.nerc.ac.uk/collection/L06/current/48/";
    String platform_type_urn "SDN:L06::48";
    String variable_type "platform";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "time,depth,latitude,longitude,sensor_id,platform_id";
    String contributor_email "tec@ogs.it nodc@ogs.it";
    String contributor_name "TEC OGS,NODC OGS";
    String contributor_role "DataCollector DataManager";
    String Conventions "CF-1.6, Copernicus-InSituTAC-FormatManual-1.42, Copernicus-InSituTAC-SRD-1.5, Copernicus-InSituTAC-ParametersList-3.2.0, COARDS, ACDD-1.3, OceanSITES v1.4, SeaDataNet_1.0";
    String data_mode "R";
    String data_type "OceanSITES time-series data";
    String date_created "2026-06-04";
    String defaultDataQuery "time,latitude,longitude,depth,sensor_id,platform_id,PRES,PRES_QC,DOXY,DOXY_QC,TUR4,TUR4_QC,CNDC,CNDC_QC,TEMP,TEMP_QC,PSAL,PSAL_QC,SVEL,SVEL_QC,CPWC,CPWC_QC&time>=now-30day&orderByDescending(\"time\")";
    String doi "#";
    String doiUrl "https://doi.org/#";
    String featureType "TimeSeries";
    String format_version "1.4";
    String geospatial_lat_max "45.7226333";
    String geospatial_lat_min "45.7226333";
    String geospatial_lat_units "degrees_north";
    String geospatial_lon_max "13.14535";
    String geospatial_lon_min "13.14535";
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 0.5;
    Float64 geospatial_vertical_min 0.5;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2026-07-15T14:43:20Z (source database)
2026-07-15T14:43:20Z https://nodc.ogs.it/erddap/tabledap/MALO4_TS.html";
    String infoUrl "https://nodc.ogs.it";
    String institution "National Institute of Oceanography and Applied Geophysics - OGS, Division of Oceanography";
    String institution_edmo_code "120";
    String institution_edmo_uri "https://edmo.seadatanet.org/report/120";
    String institution_ror_uri "https://ror.org/04y4t7k95";
    String keywords "CNDC, CPWC, DOXY, PRES, PSAL, SVEL, TEMP, TUR4";
    String keywords_vocabulary "SeaDataNet Parameter Discovery Vocabulary";
    String keywords_vocabulary_uri "https://vocab.nerc.ac.uk/collection/P02/current/";
    String license "CC-BY-4.0";
    String license_uri "https://spdx.org/licenses/CC-BY-4.0";
    String network "OceanSITES";
    String principal_investigator "Fabio Brunetti";
    String principal_investigator_email "fbrunetti@ogs.it";
    String site_code "MALO4";
    String source "moored surface buoy";
    String sourceUrl "(source database)";
    String subsetVariables "depth, sensor_id, platform_id";
    String summary "Data from 2026 acquired by MALO4 in Near Real Time.";
    String time_coverage_start "2026-01-01T00:00:00Z";
    String title "MALO4 timeSeries, NRT in situ Observations";
    String update_interval "void";
  }
}

 

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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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ERDDAP, Version 2.18
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