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Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL _NCProperties String version=2,netcdf=4.9.3-development,hdf5=1.12.2
attribute NC_GLOBAL area String Hawaiian Islands
attribute NC_GLOBAL calibration_link String KAK: hfrnet.administrators@sio.ucsd.edu; KAL: hfrnet.administrators@sio.ucsd.edu; KAP: hfrnet.administrators@sio.ucsd.edu; KKH: hfrnet.administrators@sio.ucsd.edu; KNA: hfrnet.administrators@sio.ucsd.edu; KOK: hfrnet.administrators@sio.ucsd.edu; PPK: hfrnet.administrators@sio.ucsd.edu
attribute NC_GLOBAL calibration_type String KAK: APM; KAL: APM; KAP: APM; KKH: APM; KNA: APM; KOK: APM; PPK: APM
attribute NC_GLOBAL cdm_data_type String Grid
attribute NC_GLOBAL citation String These data were collated within the Copernicus Marine Service (In Situ) and EMODnet collaboration framework. Data is made freely available by the Copernicus Marine Service and the programs that contribute to it. Data collected and processed by CORDC.
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 Conventions String CF-1.11 Copernicus-InSituTAC-FormatManual-2.0.0 Copernicus-InSituTAC-ParametersList-3.3.0 Copernicus-InSituTAC-AttributesList-1.0.0
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_mode String R
attribute NC_GLOBAL date_created String 2024-11-18T12:56:52Z
attribute NC_GLOBAL date_modified String 2024-11-18T12:56:52Z
attribute NC_GLOBAL doa_estimation_method String KAK: Direction Finding; KAL: Direction Finding; KAP: Direction Finding; KKH: Direction Finding; KNA: Direction Finding; KOK: Direction Finding; PPK: Direction Finding
attribute NC_GLOBAL Easternmost_Easting double -152.0116
attribute NC_GLOBAL format_version String 2.0
attribute NC_GLOBAL geospatial_lat_max double 24.89514
attribute NC_GLOBAL geospatial_lat_min double 16.22406
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -152.0116
attribute NC_GLOBAL geospatial_lon_min double -163.1172
attribute NC_GLOBAL geospatial_lon_resolution double 0.05754196891191715
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL history String Data measured from 2024-11-17T23:30:00Z to 2024-11-18T10:30:00Z. netCDF file created at 2024-11-18T12:56:52Z by the European HFR Node.
attribute NC_GLOBAL id String GL_TV_HF_HFR-US-Hawaii-Total_20241118
attribute NC_GLOBAL infoUrl String https://www.hfrnode.eu/ (external link)
attribute NC_GLOBAL institution String CORDC - Coastal Observing Research and Development Center; University of Hawaii (UH)
attribute NC_GLOBAL institution_edmo_code String 3790 3826
attribute NC_GLOBAL institution_references String https://cordc.ucsd.edu/ https://www.hawaii.edu/ (external link)
attribute NC_GLOBAL keywords String OCEAN CURRENTS, RADAR, SCR-HF, SURFACE WATER
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL last_calibration_date String KAK: N/A; KAL: N/A; KAP: N/A; KKH: N/A; KNA: N/A; KOK: N/A; PPK: N/A
attribute NC_GLOBAL license String https://marine.copernicus.eu/user-corner/service-commitments-and-licence (external link)
attribute NC_GLOBAL manufacturer String KAK: Codar, KAL: Codar, KAP: Codar, KKH: Codar, KNA: Codar, KOK: Codar, PPK: Codar
attribute NC_GLOBAL naming_authority String Copernicus Marine In Situ
attribute NC_GLOBAL netcdf_version String netCDF-4 classic model
attribute NC_GLOBAL network String HFR_US_Hawaii
attribute NC_GLOBAL Northernmost_Northing double 24.89514
attribute NC_GLOBAL platform_code String HFR-US-Hawaii-Total
attribute NC_GLOBAL platform_name String HFR-US-Hawaii-Total
attribute NC_GLOBAL processing_level String 3B
attribute NC_GLOBAL project String Integrated Ocean Observing System (IOOS)
attribute NC_GLOBAL publisher_email String cmems-service at ifremer.fr
attribute NC_GLOBAL publisher_institution String European HFR Node
attribute NC_GLOBAL publisher_name String Copernicus Marine Service
attribute NC_GLOBAL publisher_url String https://marine.copernicus.eu/ http://www.marineinsitu.eu/ (external link)
attribute NC_GLOBAL references String http://marine.copernicus.eu http://www.marineinsitu.eu http://www.marineinsitu.eu/wp-content/uploads/2018/02/HFR_Data_Model_Reference_Card_v1.pdf (external link)
attribute NC_GLOBAL sensor_model String KAK: Codar, KAL: Codar, KAP: Codar, KKH: Codar, KNA: Codar, KOK: Codar, PPK: Codar
attribute NC_GLOBAL site_code String HFR-US-Hawaii
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 16.22406
attribute NC_GLOBAL spatial_resolution String 6.0
attribute NC_GLOBAL summary String HF RADAR TOTAL - US-Hawaii
attribute NC_GLOBAL time_coverage_duration String P0DT11H0M0S
attribute NC_GLOBAL time_coverage_end String 2024-11-18T10:00:00Z
attribute NC_GLOBAL time_coverage_resolution String PT1H
attribute NC_GLOBAL time_coverage_start String 2019-02-01T00:00:00Z
attribute NC_GLOBAL title String HF RADAR TOTAL - US-Hawaii
attribute NC_GLOBAL update_interval String void
attribute NC_GLOBAL Westernmost_Easting double -163.1172
dimension time double nValues=42512, evenlySpaced=false, averageSpacing=1h 11m 43s
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.5489792E9, 1.731924E9
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 short nValues=1, onlyValue=0.0
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth actual_range short 0, 0
attribute depth axis String Z
attribute depth ioos_category String Location
attribute depth long_name String Depth
attribute depth positive String down
attribute depth standard_name String depth
attribute depth units String m
dimension latitude float nValues=161, evenlySpaced=false, averageSpacing=0.05419425
attribute latitude _CoordinateAxisType String Lat
attribute latitude actual_range float 16.22406, 24.89514
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
attribute latitude valid_max float 90.0
attribute latitude valid_min float -90.0
dimension longitude float nValues=194, evenlySpaced=true, averageSpacing=0.05754196891191715
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range float -163.1172, -152.0116
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
attribute longitude valid_max float 180.0
attribute longitude valid_min float -180.0
variable EWCT double time, depth, latitude, longitude
attribute EWCT _FillValue double -32.767
attribute EWCT ancillary_variables String QCflag VART_QC CSPD_QC DDNS_QC GDOP_QC
attribute EWCT data_mode String R
attribute EWCT long_name String West-east current component
attribute EWCT sdn_P02_urn String SDN:P02::RFVL
attribute EWCT sdn_parameter_name String Eastward current velocity 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 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 VART_QC CSPD_QC DDNS_QC GDOP_QC
attribute NSCT data_mode String R
attribute NSCT long_name String South-north current component
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 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 EWCS double time, depth, latitude, longitude
attribute EWCS _FillValue double -32.767
attribute EWCS ancillary_variables String QCflag VART_QC
attribute EWCS data_mode String R
attribute EWCS long_name String Standard deviation of surface eastward sea water velocity
attribute EWCS sdn_P02_urn String SDN:P02::RFVL
attribute EWCS sdn_parameter_name String Eastward current velocity standard deviation in the water body
attribute EWCS sdn_parameter_urn String SDN:P01::SDEWZZZZ
attribute EWCS sdn_uom_name String Metres per second
attribute EWCS sdn_uom_urn String SDN:P06::UVAA
attribute EWCS units String m s-1
attribute EWCS valid_max double 10.0
attribute EWCS valid_min double -10.0
variable NSCS double time, depth, latitude, longitude
attribute NSCS _FillValue double -32.767
attribute NSCS ancillary_variables String QCflag VART_QC
attribute NSCS data_mode String R
attribute NSCS long_name String Standard deviation of surface northward sea water velocity
attribute NSCS sdn_P02_urn String SDN:P02::RFVL
attribute NSCS sdn_parameter_name String Northward current velocity standard deviation in the water body
attribute NSCS sdn_parameter_urn String SDN:P01::SDNSZZZZ
attribute NSCS sdn_uom_name String Metres per second
attribute NSCS sdn_uom_urn String SDN:P06::UVAA
attribute NSCS units String m s-1
attribute NSCS valid_max double 10.0
attribute NSCS valid_min double -10.0
variable CCOV double time, depth, latitude, longitude
attribute CCOV _FillValue double -2147.483647
attribute CCOV ancillary_variables String QCflag
attribute CCOV data_mode String R
attribute CCOV long_name String Covariance of surface sea water velocity
attribute CCOV sdn_uom_name String Square metres per second squared
attribute CCOV sdn_uom_urn String SDN:P06::SQM2
attribute CCOV units String m2 s-2
attribute CCOV valid_max double 10.0
attribute CCOV valid_min double -10.0
variable GDOP double time, depth, latitude, longitude
attribute GDOP _FillValue double -32.767
attribute GDOP ancillary_variables String QCflag GDOP_QC
attribute GDOP comment String The Geometric Dilution of Precision (GDOP) is the coefficient of the uncertainty, which relates the uncertainties in radial and velocity vectors. The GDOP is a unit-less coefficient, which characterizes the effect that radar station geometry has on the measurement and position determination errors. A low GDOP corresponds to an optimal geometric configuration of radar stations, and results in accurate surface current data. Essentially, GDOP is a quantitative way to relate the radial and velocity vector uncertainties. Setting a threshold on GDOP for total combination avoids the combination of radials with an intersection angle below a certain value. GDOP is a useful metric for filtering errant velocities due to poor geometry.
attribute GDOP data_mode String R
attribute GDOP long_name String Geometrical dilution of precision
attribute GDOP sdn_parameter_name String Dilution of precision 
attribute GDOP sdn_parameter_urn String SDN:S06::S0600236
attribute GDOP sdn_uom_name String Dimensionless
attribute GDOP sdn_uom_urn String SDN:P06::UUUU
attribute GDOP units String 1
attribute GDOP valid_max double 20.0
attribute GDOP valid_min double -20.0
variable POSITION_QC byte time, depth, latitude, longitude
attribute POSITION_QC _FillValue byte -127
attribute POSITION_QC comment String OceanSITES quality flagging for position coordinates
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
variable QCflag byte time, depth, latitude, longitude
attribute QCflag _FillValue byte -127
attribute QCflag comment String OceanSITES quality flagging for all QC tests  Overall QC Flag - Test applies to each vector. Test checks if all QC tests are passed.
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 VART_QC byte time, depth, latitude, longitude
attribute VART_QC _FillValue byte -127
attribute VART_QC comment String OceanSITES quality flagging for variance threshold QC test. Test not applicable to Direction Finding systems. The Temporal Derivative test is applied.Threshold set to 1 m/s.
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 GDOP_QC byte time, depth, latitude, longitude
attribute GDOP_QC _FillValue byte -127
attribute GDOP_QC comment String OceanSITES quality flagging for GDOP threshold QC test.  GDOP Threshold QC Test - Test applies to each vector. Threshold=[GDOP threshold=2.0]
attribute GDOP_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 GDOP_QC flag_values byte 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
attribute GDOP_QC long_name String GDOP threshold quality flag
attribute GDOP_QC units String 1
attribute GDOP_QC valid_max byte 9
attribute GDOP_QC valid_min byte 0
variable DDNS_QC byte time, depth, latitude, longitude
attribute DDNS_QC _FillValue byte -127
attribute DDNS_QC comment String OceanSITES quality flagging for Data density threshold QC test.  Data Density Threshold QC Test - Test applies to each vector. Threshold=[minimum number of contributing radial velocities=3]
attribute DDNS_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 DDNS_QC flag_values byte 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
attribute DDNS_QC long_name String Data density threshold quality flag
attribute DDNS_QC units String 1
attribute DDNS_QC valid_max byte 9
attribute DDNS_QC valid_min byte 0
variable CSPD_QC byte time, depth, latitude, longitude
attribute CSPD_QC _FillValue byte -127
attribute CSPD_QC comment String OceanSITES quality flagging for Velocity threshold QC test.  Velocity Threshold QC Test - Test applies to each vector. Threshold=[maximum velocity=5.0 (m/s)]
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

 
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