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The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL _NCProperties String version=1|netcdflibversion=4.6.1|hdf5libversion=1.8.12
attribute NC_GLOBAL acknowledgement String Lumpkin, Rick; Centurioni, Luca (2019). Global Drifter Program quality-controlled 6-hour interpolated data from ocean surface drifting buoys. [indicate subset used].NOAA National Centers for Environmental Information. Dataset. Accessed [date].
attribute NC_GLOBAL cdm_data_type String Trajectory
attribute NC_GLOBAL cdm_trajectory_variables String ID
attribute NC_GLOBAL comment String Global Drifter Program 6h data
attribute NC_GLOBAL contributor_name String NOAA Global Drifter Program
attribute NC_GLOBAL contributor_role String Data Acquisition Center
attribute NC_GLOBAL Conventions String CF-1.6, ACDD-1.3, COARDS
attribute NC_GLOBAL creator_email String aoml.dftr at
attribute NC_GLOBAL creator_name String AOML drifter DAC
attribute NC_GLOBAL creator_type String institution
attribute NC_GLOBAL creator_url String (external link)
attribute NC_GLOBAL CurrentProgram String 5325
attribute NC_GLOBAL date_created String 2024-05-01T12:11:24Z
attribute NC_GLOBAL date_issued String 2024-05-01T12:11:24Z
attribute NC_GLOBAL date_modified String 2024-05-01T12:11:24Z
attribute NC_GLOBAL doi String 10.25921/7ntx-z961
attribute NC_GLOBAL Easternmost_Easting double 180.0
attribute NC_GLOBAL featureType String Trajectory
attribute NC_GLOBAL geospatial_bounds String polygon ( 180.000 27.627, 320.106 27.627, 320.106 32.592, 180.000 32.592, 180.000 27.627
attribute NC_GLOBAL geospatial_lat_max double 89.984
attribute NC_GLOBAL geospatial_lat_min double -78.305
attribute NC_GLOBAL geospatial_lat_resolution String tbd
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double 180.0
attribute NC_GLOBAL geospatial_lon_min double -179.999
attribute NC_GLOBAL geospatial_lon_resolution String tbd
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL history String From buoydata_15001_dec23.dat with metadata from dirall.dat and deplog.dat
attribute NC_GLOBAL id String Global Drifter Program ID 114753
attribute NC_GLOBAL infoUrl String (external link)
attribute NC_GLOBAL institution String NOAA Atlantic Oceanographic and Meteorological Laboratory
attribute NC_GLOBAL keywords String aground, alive, atlantic, attached, bad, batteries, beginning, bulk, buoy, centered, circulation, collection, control, currents, dac, data, date, death, deploy_date, deploy_lat, deploy_lon, deployment, derived, difference, drifter, drifting, drogue, drogue_lost_date, earth, Earth Science > Oceans > Ocean Circulation > Ocean Currents, Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature, eastward, end_date, end_lat, end_lon, err_lat, err_lon, err_temp, error, experiment, expno, fillvalue, first, global, good, identification, inactive, interpolated, laboratory, latitude, lon360, longitude, loss, meteorological, noaa, northward, number, obs, observations, ocean, oceanographic, oceans, organisation, organization, picked, program, quality, ran, science, sea, sea surface temperature, sea_surface_subskin_temperature, seawater, see, sporadic, standard, start_date, start_lat, start_lon, status, still, stopped, subskin, surface, surface current, surface_eastward_sea_water_velocity, surface_northward_sea_water_velocity, temperature, time, trajectory, transmissions, transmitting, type, typebuoy, typedeath, uncertain, velocity, vessel, water, WMO, world
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL license String Creative Commons Attribution 4.0 ( This study used data collected and made freely available by the NOAA Global Drifter Program ( accessed from
attribute NC_GLOBAL ManufactureSensorType String SVP3
attribute NC_GLOBAL ManufactureVoltage String SVP3 volts
attribute NC_GLOBAL metadata_link String (external link)
attribute NC_GLOBAL Northernmost_Northing double 89.984
attribute NC_GLOBAL processing_level String Level 2 QC by AOML drifter DAC
attribute NC_GLOBAL publisher_email String aoml.dftr at
attribute NC_GLOBAL publisher_name String AOML Drifter DAC
attribute NC_GLOBAL publisher_type String institution
attribute NC_GLOBAL publisher_url String (external link)
attribute NC_GLOBAL source String source description
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double -78.305
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v30
attribute NC_GLOBAL subsetVariables String ID,WMO, expno,typedeath, typebuoy,SensorUpgrade,BuoyTypeManufacturer,BuoyTypeSensorArray,FloatDiameter,PurchaserFunding,Transmissions,DeployingCountry,ManufactureYear,ManufactureMonth,DrogueLength,DrogueBallast,DrogueDetectSensor, DeploymentStatus, DeployingShip
attribute NC_GLOBAL summary String Global Drifter Program 6-hourly drifting buoy collection. Quality control krigged (interpolation method) data. 6-Hour Drifter data product exists from 1979 to present, well suited for observing larger-scale oceanic processes. NOAA-Atlantic Oceanographic & Meteorological Laboratory (AOML) data from a local source. The six-hourly QC dataset is updated on a quarterly basis, i.e. every 3 months, in delayed mode. Please reference the acknowledgment attribute to cite the dataset's DOI.
attribute NC_GLOBAL time_coverage_end String 2024-01-18T18:00:00Z
attribute NC_GLOBAL time_coverage_start String 1979-02-15T00:00:00Z
attribute NC_GLOBAL title String Global Drifter Program - 6 Hour Interpolated QC Drifter Data
attribute NC_GLOBAL Westernmost_Easting double -179.999
attribute NC_GLOBAL wmo_platform_code String 1300615
variable ID   String  
attribute ID cf_role String trajectory_id
attribute ID history String From buoydata_15001_dec23.dat
attribute ID ioos_category String Identifier
attribute ID long_name String Global Drifter Program Buoy ID
variable WMO   int  
attribute WMO _FillValue int -999999
attribute WMO actual_range int 0, 8800888
attribute WMO colorBarMaximum double 100.0
attribute WMO colorBarMinimum double 0.0
attribute WMO history String From dirall.dat
attribute WMO long_name String World Meteorological Organization buoy identification number
attribute WMO missing_value int -999999
variable expno   int  
attribute expno _FillValue int -999999
attribute expno actual_range int 40, 32212
attribute expno colorBarMaximum double 100.0
attribute expno colorBarMinimum double 0.0
attribute expno history String From dirall.dat
attribute expno long_name String Experiment number
attribute expno missing_value int -999999
attribute expno units String count
variable time   double  
attribute time _CoordinateAxisType String Time
attribute time actual_range double 2.878848E8, 1.7056008E9
attribute time axis String T
attribute time colorBarMaximum double 4.0E10
attribute time colorBarMinimum double 0.0
attribute time history String From buoydata_15001_dec23.dat
attribute time ioos_category String Time
attribute time long_name String Time
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time units String seconds since 1970-01-01T00:00:00Z
attribute time valid_max double 3.0E10
attribute time valid_min double 2.0E8
variable latitude   double  
attribute latitude _CoordinateAxisType String Lat
attribute latitude _FillValue double -999999.0
attribute latitude actual_range double -78.305, 89.984
attribute latitude axis String Y
attribute latitude colorBarMaximum double 90.0
attribute latitude colorBarMinimum double -90.0
attribute latitude history String From buoydata_15001_dec23.dat
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude missing_value double -999999.0
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
attribute latitude valid_max double 90.0
attribute latitude valid_min double -90.0
variable longitude   double  
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range double -179.999, 180.0
attribute longitude axis String X
attribute longitude colorBarMaximum double 180.0
attribute longitude colorBarMinimum double -180.0
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable lon360   double  
attribute lon360 _FillValue double -999999.0
attribute lon360 actual_range double 0.0, 359.999
attribute lon360 axis String X
attribute lon360 colorBarMaximum double 180.0
attribute lon360 colorBarMinimum double -180.0
attribute lon360 history String Computed from buoydata_15001_dec23.dat
attribute lon360 long_name String Longitude
attribute lon360 missing_value double -999999.0
attribute lon360 standard_name String longitude
attribute lon360 units String degrees_east
attribute lon360 valid_max double 360.0
attribute lon360 valid_min double 0.0
variable sst   double  
attribute sst _FillValue double -999999.0
attribute sst actual_range double -13.25, 36.669
attribute sst colorBarMaximum double 32.0
attribute sst colorBarMinimum double 0.0
attribute sst history String From buoydata_15001_dec23.dat
attribute sst long_name String Sea Surface Bulk Temperature
attribute sst missing_value double -999999.0
attribute sst standard_name String sea_surface_subskin_temperature
attribute sst units String degree_C
attribute sst valid_max double 40.0
attribute sst valid_min double -15.0
variable err_sst   double  
attribute err_sst actual_range double 0.03, 31.623
attribute err_sst colorBarMaximum double 5.0
attribute err_sst colorBarMinimum double 0.0
attribute err_sst units String degree_C
variable ve   double  
attribute ve actual_range double -999999.0, 8.25232
attribute ve colorBarMaximum double 0.5
attribute ve colorBarMinimum double -0.5
variable vn   double  
attribute vn actual_range double -999999.0, 3.30508
attribute vn colorBarMaximum double 0.5
attribute vn colorBarMinimum double -0.5
variable err_lat   double  
attribute err_lat actual_range double 0.0, 9530.215
attribute err_lat colorBarMaximum double 50.0
attribute err_lat colorBarMinimum double 0.0
variable err_lon   double  
attribute err_lon actual_range double 0.0, 31.623
attribute err_lon colorBarMaximum double 50.0
attribute err_lon colorBarMinimum double 0.0
variable typebuoy   String  
attribute typebuoy history String From directory file dirall.dat
attribute typebuoy long_name String Buoy type (see
variable deploy_date   double  
attribute deploy_date actual_range double 2.877984E8, 1.7009568E9
attribute deploy_date history String From deployment log deplog.dat
attribute deploy_date ioos_category String Time
attribute deploy_date long_name String Deployment date and time
attribute deploy_date standard_name String time
attribute deploy_date time_origin String 01-JAN-1970 00:00:00
attribute deploy_date units String seconds since 1970-01-01T00:00:00Z
variable deploy_lat   double  
attribute deploy_lat _FillValue double -999999.0
attribute deploy_lat actual_range double -77.81, 89.9
attribute deploy_lat colorBarMaximum double 90.0
attribute deploy_lat colorBarMinimum double -90.0
attribute deploy_lat history String From deployment log deplog.dat
attribute deploy_lat long_name String Deployment latitude
attribute deploy_lat missing_value double -999999.0
attribute deploy_lat units String degrees_north
variable deploy_lon   double  
attribute deploy_lon _FillValue double -999999.0
attribute deploy_lon actual_range double -183.52, 180.0
attribute deploy_lon colorBarMaximum double 180.0
attribute deploy_lon colorBarMinimum double -180.0
attribute deploy_lon history String From deployment log deplog.dat
attribute deploy_lon long_name String Deployment longitude
attribute deploy_lon missing_value double -999999.0
attribute deploy_lon units String degrees_east
variable start_date   double  
attribute start_date actual_range double 2.877984E8, 1.701216E9
attribute start_date colorBarMaximum double 150.0
attribute start_date colorBarMinimum double 0.0
attribute start_date history String From directory file dirall.dat
attribute start_date ioos_category String Time
attribute start_date long_name String First good date and time derived by DAC quality control
attribute start_date standard_name String time
attribute start_date time_origin String 01-JAN-1970 00:00:00
attribute start_date units String seconds since 1970-01-01T00:00:00Z
variable start_lat   double  
attribute start_lat _FillValue double -999999.0
attribute start_lat actual_range double -77.81, 89.9
attribute start_lat colorBarMaximum double 150.0
attribute start_lat colorBarMinimum double 0.0
attribute start_lat history String From directory file dirall.dat
attribute start_lat long_name String First good latitude derived by DAC quality control
attribute start_lat missing_value double -999999.0
attribute start_lat units String degrees_north
variable start_lon   float  
attribute start_lon _FillValue float -999999.0
attribute start_lon actual_range float -179.99, 180.0
attribute start_lon colorBarMaximum double 150.0
attribute start_lon colorBarMinimum double 0.0
attribute start_lon history String From directory file dirall.dat
attribute start_lon long_name String First good longitude derived by DAC quality control
attribute start_lon missing_value float -999999.0
attribute start_lon units String degrees_east
variable end_date   double  
attribute end_date actual_range double 2.897856E8, 1.7048448E9
attribute end_date colorBarMaximum double 150.0
attribute end_date colorBarMinimum double 0.0
attribute end_date history String From directory file dirall.dat
attribute end_date ioos_category String Time
attribute end_date long_name String Last good date and time derived by DAC quality control
attribute end_date standard_name String time
attribute end_date time_origin String 01-JAN-1970 00:00:00
attribute end_date units String seconds since 1970-01-01T00:00:00Z
variable end_lat   double  
attribute end_lat _FillValue double -999999.0
attribute end_lat actual_range double -77.49, 99.54
attribute end_lat colorBarMaximum double 150.0
attribute end_lat colorBarMinimum double 0.0
attribute end_lat history String From directory file dirall.dat
attribute end_lat long_name String Last good latitude derived by DAC quality control
attribute end_lat missing_value double -999999.0
attribute end_lat units String degrees_north
variable end_lon   double  
attribute end_lon _FillValue double -999999.0
attribute end_lon actual_range double -179.99, 179.99
attribute end_lon colorBarMaximum double 150.0
attribute end_lon colorBarMinimum double 0.0
attribute end_lon history String From directory file dirall.dat
attribute end_lon long_name String Last good longitude derived by DAC quality control
attribute end_lon missing_value double -999999.0
attribute end_lon units String degrees_east
variable drogue_lost_date   double  
attribute drogue_lost_date actual_range double 0.0, 1.7049312E9
attribute drogue_lost_date history String From directory file dirall.dat
attribute drogue_lost_date ioos_category String Time
attribute drogue_lost_date long_name String Date of drogue loss (_FillValue=drogue still attached; 0=drogue status uncertain from beginning)
attribute drogue_lost_date standard_name String time
attribute drogue_lost_date time_origin String 01-JAN-1970 00:00:00
attribute drogue_lost_date units String seconds since 1970-01-01T00:00:00Z
variable typedeath   int  
attribute typedeath _FillValue int -999999
attribute typedeath actual_range int 0, 6
attribute typedeath history String From directory file dirall.dat
attribute typedeath long_name String Type of death (0=buoy still alive, 1=buoy ran aground, 2=picked up by vessel, 3=stopped transmitting, 4=sporadic transmissions, 5=bad batteries, 6=inactive status)
attribute typedeath missing_value int -999999
variable DeployingShip   String  
attribute DeployingShip long_name String Deploying Ship
variable DeploymentStatus   String  
attribute DeploymentStatus long_name String Status of Deployment
variable BuoyTypeManufacturer   String  
attribute BuoyTypeManufacturer long_name String Buoy Type Manufacturer
variable BuoyTypeSensorArray   String  
attribute BuoyTypeSensorArray long_name String Buoy Type Sensor Array
variable PurchaserFunding   String  
attribute PurchaserFunding long_name String Purchaser Funding
variable SensorUpgrade   String  
attribute SensorUpgrade long_name String Sensor Upgrade
variable Transmissions   String  
attribute Transmissions long_name String Transmissions
variable DeployingCountry   String  
attribute DeployingCountry long_name String Deploying Country
variable DeploymentComments   String  
attribute DeploymentComments long_name String Deployment Comments
variable ManufactureYear   String  
attribute ManufactureYear long_name String Manufacture Year
variable ManufactureMonth   String  
attribute ManufactureMonth long_name String Manufacture Month
variable FloatDiameter   String  
attribute FloatDiameter long_name String Float Diameter
variable SubsfcFloatPresence   String  
attribute SubsfcFloatPresence long_name String Subsfc Float Presence
variable DrogueType   String  
attribute DrogueType long_name String Drogue Type
variable DrogueLength   String  
attribute DrogueLength long_name String Drogue Length
variable DrogueBallast   String  
attribute DrogueBallast long_name String Drogue Ballast
variable DragAreaAboveDrogue   String  
attribute DragAreaAboveDrogue long_name String Drag Area Above Drogue
variable DragAreaOfDrogue   String  
attribute DragAreaOfDrogue long_name String Drag Area Of Drogue
variable DragAreaRatio   String  
attribute DragAreaRatio long_name String Drag Area Ratio
variable DrogueCenterDepth   String  
attribute DrogueCenterDepth long_name String Drogue Center Depth
variable DrogueDetectSensor   String  
attribute DrogueDetectSensor long_name String Drogue Detect Sensor

The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.

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