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Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL acknowledgement String The Wave Hub HF Radar Network has been installed and maintained by the Coastal Processes Research Group at the University of Plymouth. Support has been provided through the projects PRIMaRE, SOWFIA, Marinet, FLOWBEC, and marine-I Hub.
attribute NC_GLOBAL area String English Channel
attribute NC_GLOBAL calibration_link String daniel.conley at plymouth.ac.uk
attribute NC_GLOBAL calibration_type String Full
attribute NC_GLOBAL cdm_data_type String Grid
attribute NC_GLOBAL citation String These data were collected and made freely available by the EuroGOOS European HFR Node. Data collected and processed by the Coastal Processes Research Group at the University of Plymouth
attribute NC_GLOBAL comment String Total velocities are derived using least square fit that maps radial velocities measured from individual sites onto a cartesian grid. The final product is a map of the horizontal components of the ocean currents on a regular grid in the area of overlap of two or more radar stations.
attribute NC_GLOBAL contributor_email String daniel.conley@plymouth.ac.uk; nikolas.martzikos@plymouth.ac.uk
attribute NC_GLOBAL contributor_name String Daniel Conley; Max Bradbury
attribute NC_GLOBAL contributor_role String Project Leader; Data Manager
attribute NC_GLOBAL Conventions String CF-1.11, EuroGOOS European HFR Node, COARDS, ACDD-1.3
attribute NC_GLOBAL creator_email String lorenzo.corgnati at sp.ismar.cnr.it
attribute NC_GLOBAL creator_name String Lorenzo Corgnati
attribute NC_GLOBAL creator_type String person
attribute NC_GLOBAL creator_url String https://www.hfrnode.eu/ (external link)
attribute NC_GLOBAL data_assembly_center String European HFR Node
attribute NC_GLOBAL data_character_set String utf8
attribute NC_GLOBAL data_language String eng
attribute NC_GLOBAL data_mode String R
attribute NC_GLOBAL data_type String HF radar radial current data
attribute NC_GLOBAL date_created String 2026-04-19T04:13:53Z
attribute NC_GLOBAL date_modified String 2026-04-19T04:13:53Z
attribute NC_GLOBAL distribution_statement String These data are public and free of charge. User assumes all risk for use of data. User must display citation in any publication or product using data. User must contact PI prior to any commercial use of data.
attribute NC_GLOBAL doa_estimation_method String Beam Forming
attribute NC_GLOBAL Easternmost_Easting double -5.083791
attribute NC_GLOBAL format_version String v3
attribute NC_GLOBAL geospatial_lat_max double 51.01667
attribute NC_GLOBAL geospatial_lat_min double 50.21573
attribute NC_GLOBAL geospatial_lat_resolution double 0.008999325842696597
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -5.083791
attribute NC_GLOBAL geospatial_lon_min double -6.133333
attribute NC_GLOBAL geospatial_lon_resolution double 0.014183000000000008
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL history String Data measured at 2018-08-22T15:05:00Z. netCDF file created at 2026-04-19T04:13:53Z by the European HFR Node.
attribute NC_GLOBAL id String HFR-WHub-PEND_2018-08-22T15:05:00Z
attribute NC_GLOBAL infoUrl String https://www.hfrnode.eu/ (external link)
attribute NC_GLOBAL institution String University of Plymouth
attribute NC_GLOBAL institution_edmo_code String 2922
attribute NC_GLOBAL institution_references String https://www.plymouth.ac.uk (external link)
attribute NC_GLOBAL keywords String accuracy, average, AVRB_QC, away, bearing, circulation, count, coverage, CSPD_QC, current, currents, data, depth, direction, direction_of_radial_vector_away_from_instrument, DRVA, EACC, earth, Earth Science > Oceans > Ocean Circulation > Ocean Currents, eastward, EWCT, filter, flag, frequency, HCSS, HF, hf radar, hfr, hfr-whub-pend, hfradar, high, instrument, latitude, longitude, MDFL_QC, median, near, near real time, northward, NSCT, ocean, ocean currents, oceans, over, over-water, overall, OWTR_QC, pend, period, plymouth, position, POSITION_QC, QCflag, quality, radar, radial, radial_sea_water_velocity_away_from_instrument, RDCT_QC, RDVA, real, science, scr-hf, sea, seawater, surface, surface water, surface_eastward_sea_water_velocity, surface_northward_sea_water_velocity, threshold, time, university, variance, VART_QC, vector, velocity, water, whub
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL last_calibration_date String 2011-04-01T00:00:00Z
attribute NC_GLOBAL license String HF radar sea surface current velocity dataset by CPRG at the University of Plymouth is licensed under a Creative Commons Attribution 4.0 International License. You should have received a copy of the license along with this work. If not, see https://creativecommons.org/licenses/by/4.0/ (external link).
attribute NC_GLOBAL manufacturer String WERA
attribute NC_GLOBAL metadata_character_set String utf8
attribute NC_GLOBAL metadata_contact String lorenzo.corgnati at sp.ismar.cnr.it
attribute NC_GLOBAL metadata_date_stamp String 2026-04-19T04:13:53Z
attribute NC_GLOBAL metadata_language String eng
attribute NC_GLOBAL naming_authority String eu.hfrnode
attribute NC_GLOBAL netcdf_format String NETCDF4_CLASSIC
attribute NC_GLOBAL netcdf_version String 4.9.3
attribute NC_GLOBAL network String Wave Hub Radar Network
attribute NC_GLOBAL Northernmost_Northing double 51.01667
attribute NC_GLOBAL oceanops_ref String 6204708
attribute NC_GLOBAL platform_code String HFR-WHub-PEND
attribute NC_GLOBAL processing_level String 2B
attribute NC_GLOBAL project String PRIMaRE, SOWFIA, Marinet, FLOWBEC, and marine-I Hub.
attribute NC_GLOBAL publisher_email String euhfrnode at azti.es
attribute NC_GLOBAL publisher_name String European HFR Node
attribute NC_GLOBAL publisher_type String institution
attribute NC_GLOBAL publisher_url String https://www.hfrnode.eu/ (external link)
attribute NC_GLOBAL qc_manual String Recommendation Report 2 on improved common procedures for HFR QC analysis: https://dx.doi.org/10.25607/OBP-944 (external link)
attribute NC_GLOBAL reference_system String EPSG:4326
attribute NC_GLOBAL references String Recommendation Report 2 on improved common procedures for HFR QC analysis: https://dx.doi.org/10.25607/OBP-944 (external link)
attribute NC_GLOBAL sensor_model String WERA
attribute NC_GLOBAL site_code String HFR-WHub
attribute NC_GLOBAL software_name String EU_HFR_NODE_NRTprocessor
attribute NC_GLOBAL software_version String v3
attribute NC_GLOBAL source String coastal structure
attribute NC_GLOBAL source_platform_category_code String 17
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double 50.21573
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v70
attribute NC_GLOBAL summary String The data set consists of maps of radial velocity of the sea water surface current collected at Pendeen (PEND) site along the North Cornwall Coast. Data are averaged over a time interval of 1 hour around the cardinal hour. High Frequency (HF)-RADAR measurements of ocean velocity are radial in direction relative to the radar location and representative of the upper 0.3-2.5 meters of the ocean.
attribute NC_GLOBAL time_coverage_duration String PT1H
attribute NC_GLOBAL time_coverage_end String 2024-01-16T23:05:00Z
attribute NC_GLOBAL time_coverage_resolution String PT1H
attribute NC_GLOBAL time_coverage_start String 2011-02-24T19:15:00Z
attribute NC_GLOBAL title String Near Real Time Surface Ocean Radial Velocity by HFR-WHub-PEND
attribute NC_GLOBAL topic_category String oceans
attribute NC_GLOBAL update_interval String void
attribute NC_GLOBAL Westernmost_Easting double -6.133333
attribute NC_GLOBAL wigos_id String 0-22000-0-6204708
attribute NC_GLOBAL wmo_platform_code String 6204708
dimension time double nValues=73298, evenlySpaced=false, averageSpacing=1h 32m 31s
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.2985749E9, 1.7054463E9
attribute time ancillary_variables String TIME_QC
attribute time axis String T
attribute time calendar String standard
attribute time ioos_category String Time
attribute time long_name String Time
attribute time sdn_P02_urn String SDN:P02::AYMD
attribute time sdn_parameter_name String Elapsed time (since 1950-01-01T00:00:00Z)
attribute time sdn_parameter_urn String SDN:P01::ELTJLD01
attribute time sdn_uom_name String Days
attribute time sdn_uom_urn String SDN:P06::UTAA
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
dimension depth float nValues=1, onlyValue=0.0
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth actual_range float 0.0, 0.0
attribute depth ancillary_variables String DEPTH_QC
attribute depth axis String Z
attribute depth ioos_category String Location
attribute depth long_name String Depth
attribute depth positive String down
attribute depth references String sea_level
attribute depth sdn_P02_urn String SDN:P02::AHGT
attribute depth sdn_parameter_name String Depth below surface of the water body
attribute depth sdn_parameter_urn String SDN:P01::ADEPZZ01
attribute depth sdn_uom_name String Metres
attribute depth sdn_uom_urn String SDN:P06::ULAA
attribute depth standard_name String depth
attribute depth units String m
dimension latitude float nValues=90, evenlySpaced=true, averageSpacing=0.008999325842696597
attribute latitude _CoordinateAxisType String Lat
attribute latitude actual_range float 50.21573, 51.01667
attribute latitude ancillary_variables String POSITION_QC
attribute latitude axis String Y
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude sdn_P02_urn String SDN:P02::ALAT
attribute latitude sdn_parameter_name String Latitude north
attribute latitude sdn_parameter_urn String SDN:P01::ALATZZ01
attribute latitude sdn_uom_name String Degrees north
attribute latitude sdn_uom_urn String SDN:P06::DEGN
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
dimension longitude float nValues=75, evenlySpaced=true, averageSpacing=0.014183000000000008
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range float -6.133333, -5.083791
attribute longitude ancillary_variables String POSITION_QC
attribute longitude axis String X
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude sdn_P02_urn String SDN:P02::ALAT
attribute longitude sdn_parameter_name String Longitude east
attribute longitude sdn_parameter_urn String SDN:P01::ALONZZ01
attribute longitude sdn_uom_name String Degrees east
attribute longitude sdn_uom_urn String SDN:P06::DEGE
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable HCSS double time, depth, latitude, longitude
attribute HCSS _FillValue double -2147.483647
attribute HCSS ancillary_variables String QCflag VART_QC
attribute HCSS colorBarMaximum double 50.0
attribute HCSS colorBarMinimum double 0.0
attribute HCSS long_name String Radial variance of current velocity over coverage period
attribute HCSS sdn_parameter_name String Speed standard deviation of water current in the water body
attribute HCSS sdn_parameter_urn String SDSAZZ01
attribute HCSS sdn_uom_name String Square metres per second squared
attribute HCSS sdn_uom_urn String SDN:P06::SQM2
attribute HCSS units String m2 s-2
attribute HCSS valid_max double 10.0
attribute HCSS valid_min double -10.0
variable EACC double time, depth, latitude, longitude
attribute EACC _FillValue double -32.767
attribute EACC ancillary_variables String QCflag VART_QC
attribute EACC colorBarMaximum double 15.0
attribute EACC colorBarMinimum double -15.0
attribute EACC long_name String Radial accuracy of current velocity over coverage period
attribute EACC sdn_uom_name String Metres per second
attribute EACC sdn_uom_urn String SDN:P06::UVAA
attribute EACC units String m s-1
attribute EACC valid_max double 10.0
attribute EACC valid_min double -10.0
variable OWTR_QC byte time, depth, latitude, longitude
attribute OWTR_QC _FillValue byte -127
attribute OWTR_QC colorBarMaximum double 10.0
attribute OWTR_QC colorBarMinimum double 0.0
attribute OWTR_QC comment String Over Water QC Test - Test applies to each vector. Thresholds=[GeoPandas \"naturalearth_lowres\"]
attribute OWTR_QC conventions String EuroGOOS European HFR Node
attribute OWTR_QC flag_meanings String no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed value_below_detection nominal_value interpolated_value missing_value
attribute OWTR_QC flag_values byte 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
attribute OWTR_QC long_name String Over-water quality flag
attribute OWTR_QC units String 1
attribute OWTR_QC valid_max byte 9
attribute OWTR_QC valid_min byte 0
variable CSPD_QC byte time, depth, latitude, longitude
attribute CSPD_QC _FillValue byte -127
attribute CSPD_QC colorBarMaximum double 10.0
attribute CSPD_QC colorBarMinimum double 0.0
attribute CSPD_QC comment String Velocity Threshold QC Test - Test applies to each vector. Threshold=[maximum velocity=1.2 (m/s)]
attribute CSPD_QC conventions String EuroGOOS European HFR Node
attribute CSPD_QC flag_meanings String no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed value_below_detection nominal_value interpolated_value missing_value
attribute CSPD_QC flag_values byte 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
attribute CSPD_QC long_name String Velocity threshold quality flag
attribute CSPD_QC units String 1
attribute CSPD_QC valid_max byte 9
attribute CSPD_QC valid_min byte 0
variable VART_QC byte time, depth, latitude, longitude
attribute VART_QC _FillValue byte -127
attribute VART_QC colorBarMaximum double 10.0
attribute VART_QC colorBarMinimum double 0.0
attribute VART_QC comment String Variance Threshold QC Test - Test applies to each vector. Threshold=[maximum variance=1.0 (m2/s2)]
attribute VART_QC conventions String EuroGOOS European HFR Node
attribute VART_QC flag_meanings String no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed value_below_detection nominal_value interpolated_value missing_value
attribute VART_QC flag_values byte 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
attribute VART_QC long_name String Variance threshold quality flag
attribute VART_QC units String 1
attribute VART_QC valid_max byte 9
attribute VART_QC valid_min byte 0
variable MDFL_QC byte time, depth, latitude, longitude
attribute MDFL_QC _FillValue byte -127
attribute MDFL_QC colorBarMaximum double 10.0
attribute MDFL_QC colorBarMinimum double 0.0
attribute MDFL_QC comment String Median Filter QC Test - Test applies to each vector. Thresholds=[distance limit=5.0 (km) velocity-median difference threshold=1.0 (m/s)]
attribute MDFL_QC conventions String EuroGOOS European HFR Node
attribute MDFL_QC flag_meanings String no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed value_below_detection nominal_value interpolated_value missing_value
attribute MDFL_QC flag_values byte 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
attribute MDFL_QC long_name String Median filter quality flag
attribute MDFL_QC units String 1
attribute MDFL_QC valid_max byte 9
attribute MDFL_QC valid_min byte 0
variable AVRB_QC byte time, depth, latitude, longitude
attribute AVRB_QC _FillValue byte -127
attribute AVRB_QC colorBarMaximum double 10.0
attribute AVRB_QC colorBarMinimum double 0.0
attribute AVRB_QC comment String Average Radial Bearing QC Test - Test applies to entire file. Thresholds=[minimum bearing=0.0 (degrees) - maximum bearing=360.0 (degrees)]
attribute AVRB_QC conventions String EuroGOOS European HFR Node
attribute AVRB_QC flag_meanings String no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed value_below_detection nominal_value interpolated_value missing_value
attribute AVRB_QC flag_values byte 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
attribute AVRB_QC long_name String Average radial bearing quality flag
attribute AVRB_QC units String 1
attribute AVRB_QC valid_max byte 9
attribute AVRB_QC valid_min byte 0
variable RDCT_QC byte time, depth, latitude, longitude
attribute RDCT_QC _FillValue byte -127
attribute RDCT_QC colorBarMaximum double 10.0
attribute RDCT_QC colorBarMinimum double 0.0
attribute RDCT_QC comment String Radial Count QC Test - Test applies to entire file. Threshold=[minimum number of radial vectors=200]
attribute RDCT_QC conventions String EuroGOOS European HFR Node
attribute RDCT_QC flag_meanings String no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed value_below_detection nominal_value interpolated_value missing_value
attribute RDCT_QC flag_values byte 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
attribute RDCT_QC long_name String Radial count quality flag
attribute RDCT_QC units String 1
attribute RDCT_QC valid_max byte 9
attribute RDCT_QC valid_min byte 0
variable QCflag byte time, depth, latitude, longitude
attribute QCflag _FillValue byte -127
attribute QCflag colorBarMaximum double 10.0
attribute QCflag colorBarMinimum double 0.0
attribute QCflag comment String Overall QC Flag - Test applies to each vector. Test checks if all QC tests are passed.
attribute QCflag conventions String EuroGOOS European HFR Node
attribute QCflag flag_meanings String no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed value_below_detection nominal_value interpolated_value missing_value
attribute QCflag flag_values byte 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
attribute QCflag long_name String Overall quality flag
attribute QCflag units String 1
attribute QCflag valid_max byte 9
attribute QCflag valid_min byte 0
variable DRVA double time, depth, latitude, longitude
attribute DRVA _FillValue double -2147483.647
attribute DRVA ancillary_variables String QCflag OWTR_QC MDFL_QC AVRB_QC RDCT_QC
attribute DRVA colorBarMaximum double 360.0
attribute DRVA colorBarMinimum double 0.0
attribute DRVA long_name String Direction of radial vector away from instrument
attribute DRVA sdn_P02_urn String SDN:P02::RFVL
attribute DRVA sdn_parameter_name String Direction (from) of radial vector relative to instrument and True North in the water body by high frequency radar
attribute DRVA sdn_parameter_urn String SDN:P01::HFRVWD01
attribute DRVA sdn_uom_name String Degrees True
attribute DRVA sdn_uom_urn String SDN:P06::UABB
attribute DRVA standard_name String direction_of_radial_vector_away_from_instrument
attribute DRVA units String degree_true
attribute DRVA valid_max double 360.0
attribute DRVA valid_min double 0.0
variable RDVA double time, depth, latitude, longitude
attribute RDVA _FillValue double -32.767
attribute RDVA ancillary_variables String QCflag OWTR_QC MDFL_QC CSPD_QC VART_QC RDCT_QC
attribute RDVA colorBarMaximum double 0.5
attribute RDVA colorBarMinimum double -0.5
attribute RDVA long_name String Radial sea water velocity away from instrument
attribute RDVA sdn_P02_urn String SDN:P02::RFVL
attribute RDVA sdn_parameter_name String Speed of water current in the water body by high frequency radar and cell averaging
attribute RDVA sdn_parameter_urn String SDN:P01::HFRDCRSP
attribute RDVA sdn_uom_name String Metres per second
attribute RDVA sdn_uom_urn String SDN:P06::UVAA
attribute RDVA standard_name String radial_sea_water_velocity_away_from_instrument
attribute RDVA units String m s-1
attribute RDVA valid_max double 10.0
attribute RDVA valid_min double -10.0
variable EWCT double time, depth, latitude, longitude
attribute EWCT _FillValue double -32.767
attribute EWCT ancillary_variables String QCflag OWTR_QC MDFL_QC CSPD_QC VART_QC AVRB_QC RDCT_QC
attribute EWCT colorBarMaximum double 0.5
attribute EWCT colorBarMinimum double -0.5
attribute EWCT long_name String Surface eastward sea water velocity
attribute EWCT sdn_P02_urn String SDN:P02::RFVL
attribute EWCT sdn_parameter_name String Eastward velocity of water current in the water body
attribute EWCT sdn_parameter_urn String SDN:P01::LCEWZZ01
attribute EWCT sdn_uom_name String Metres per second
attribute EWCT sdn_uom_urn String SDN:P06::UVAA
attribute EWCT standard_name String surface_eastward_sea_water_velocity
attribute EWCT units String m s-1
attribute EWCT valid_max double 10.0
attribute EWCT valid_min double -10.0
variable NSCT double time, depth, latitude, longitude
attribute NSCT _FillValue double -32.767
attribute NSCT ancillary_variables String QCflag OWTR_QC MDFL_QC CSPD_QC VART_QC AVRB_QC RDCT_QC
attribute NSCT colorBarMaximum double 0.5
attribute NSCT colorBarMinimum double -0.5
attribute NSCT long_name String Surface northward sea water velocity
attribute NSCT sdn_P02_urn String SDN:P02::RFVL
attribute NSCT sdn_parameter_name String Northward current velocity in the water body
attribute NSCT sdn_parameter_urn String SDN:P01::LCNSZZ01
attribute NSCT sdn_uom_name String Metres per second
attribute NSCT sdn_uom_urn String SDN:P06::UVAA
attribute NSCT standard_name String surface_northward_sea_water_velocity
attribute NSCT units String m s-1
attribute NSCT valid_max double 10.0
attribute NSCT valid_min double -10.0
variable POSITION_QC byte time, depth, latitude, longitude
attribute POSITION_QC _FillValue byte -127
attribute POSITION_QC colorBarMaximum double 10.0
attribute POSITION_QC colorBarMinimum double 0.0
attribute POSITION_QC comment String Quality flagging for position coordinates.
attribute POSITION_QC conventions String EuroGOOS European HFR Node
attribute POSITION_QC flag_meanings String no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed value_below_detection nominal_value interpolated_value missing_value
attribute POSITION_QC flag_values byte 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
attribute POSITION_QC long_name String Position quality flag
attribute POSITION_QC units String 1
attribute POSITION_QC valid_max byte 9
attribute POSITION_QC valid_min byte 0

 
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