DAP4 Data Request Form 200803061600_HFRadar_USEGC_6km_rtv_SIO.nc
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OPeNDAP DAP4 Data Request Form

dataset: 200803061600_HFRadar_USEGC_6km_rtv_SIO.nc
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Global Attributes
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      • NC_GLOBAL
        • netcdf_library_version: netcdf library version 3.6.1 of Feb 3 2008 23:15:25 $ (Type is String)
        • format_version: HFRNet_1.0.0b2 (Type is String)
        • product_version: HFRNet_1.1.01 (Type is String)
        • Conventions: CF-1.1 (Type is String)
        • title: Near-Real Time Surface Ocean Velocity (Type is String)
        • institution: Scripps Institution of Oceanography (Type is String)
        • source: Surface Ocean HF-Radar (Type is String)
        • history: 12-Mar-2008 22:26:19: NetCDF file created (Type is String)
        • references: Terrill, E. et al., 2006. Data Management and Real-time Distribution in the HF-Radar National Network. Proceedings of the MTS/IEEE Oceans 2006 Conference, Boston MA, September 2006. (Type is String)
        • creator_name: Mark Otero (Type is String)
        • creator_email: motero@mpl.ucsd.edu (Type is String)
        • creator_url: http://cordc.ucsd.edu/projects/mapping/ (Type is String)
        • summary: Surface ocean velocities estimated from HF-Radar are representitive of the upper 0.3 - 2.5 meters of the ocean. The main objective of near-real time processing is to produce the best product from available data at the time of processing. Radial velocity measurements are obtained from individual radar sites through the HF-Radar Network and processed to create near-real time velocities (RTVs) (Type is String)
        • geospatial_lat_min: 21.7359600 (Type is Float32)
        • geospatial_lat_max: 46.4944191 (Type is Float32)
        • geospatial_lon_min: -97.8838501 (Type is Float32)
        • geospatial_lon_max: -57.2312088 (Type is Float32)
        • grid_resolution: 6km (Type is String)
        • grid_projection: equidistant cylindrical (Type is String)
        • regional_description: Unites States, East and Gulf Coast (Type is String)
      • DODS_EXTRA
        • Unlimited_Dimension: time (Type is String)
Global Dimensions
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      [ /time = 0..0 ]
      [ /lat = 0..459 ]
      [ /lon = 0..700 ]
      [ /nSites = 0..26 ]
      [ /nProcParam = 0..6 ]
Variables
time[ /time= 0..0] (Type is Int32)
  • attributes
    • standard_name: time (Type is String)
    • units: seconds since 1970-01-01 (Type is String)
    • calendar: gregorian (Type is String)
lat[ /lat= 0..459] (Type is Float32)
  • attributes
    • standard_name: latitude (Type is String)
    • units: degrees_north (Type is String)
lon[ /lon= 0..700] (Type is Float32)
  • attributes
    • standard_name: longitude (Type is String)
    • units: degrees_east (Type is String)
u[ /time= 0..0] [ /lat= 0..459] [ /lon= 0..700] (Type is Int16)
  • attributes
    • standard_name: surface_eastward_sea_water_velocity (Type is String)
    • units: m s-1 (Type is String)
    • _FillValue: -32768 (Type is Int16)
    • scale_factor: 0.00999999978 (Type is Float32)
    • ancillary_variables: DOPx (Type is String)
v[ /time= 0..0] [ /lat= 0..459] [ /lon= 0..700] (Type is Int16)
  • attributes
    • standard_name: surface_northward_sea_water_velocity (Type is String)
    • units: m s-1 (Type is String)
    • _FillValue: -32768 (Type is Int16)
    • scale_factor: 0.00999999978 (Type is Float32)
    • ancillary_variables: DOPy (Type is String)
DOPx[ /time= 0..0] [ /lat= 0..459] [ /lon= 0..700] (Type is Int16)
  • attributes
    • long_name: longitudinal dilution of precision (Type is String)
    • comment: The longitudinal dilution of precision (DOPx) represents the contribution of the radars' configuration geometry to uncertainty in the eastward velocity estimate (u). DOPx is a direct multiplier of the standard error in obtaining the standard deviation for the eastward velocity estimate from the least squares best fit. DOPx and DOPy are commonly used to obtain the geometric dilution of precision (GDOP = sqrt(DOPx^2 + DOPy^2)), a useful metric for filtering errant velocities due to poor geometry. (Type is String)
    • _FillValue: -32768 (Type is Int16)
    • scale_factor: 0.00999999978 (Type is Float32)
DOPy[ /time= 0..0] [ /lat= 0..459] [ /lon= 0..700] (Type is Int16)
  • attributes
    • long_name: latitudinal dilution of precision (Type is String)
    • comment: The latitudinal dilution of precision (DOPy) represents the contribution of the radars' configuration geometry to uncertainty in the northward velocity estimate (v). DOPy is a direct multiplier of the standard error in obtaining the standard deviation for the northward velocity estimate from the least squares best fit. DOPx and DOPy are commonly used to obtain the geometric dilution of precision (GDOP = sqrt(DOPx^2 + DOPy^2)), a useful metric for filtering errant velocities due to poor geometry. (Type is String)
    • _FillValue: -32768 (Type is Int16)
    • scale_factor: 0.00999999978 (Type is Float32)
site_lat[ /nSites= 0..26] (Type is Float32)
  • attributes
    • long_name: Contributing radar site latitudes (Type is String)
    • standard_name: latitude (Type is String)
    • units: degrees_north (Type is String)
site_lon[ /nSites= 0..26] (Type is Float32)
  • attributes
    • long_name: Contributing radar site longitudes (Type is String)
    • standard_name: longitude (Type is String)
    • units: degrees_east (Type is String)
site_code[ /nSites= 0..26] (Type is String)
  • attributes
    • long_name: Contributing radar site code (Type is String)
    • string_length: 25 (Type is Int32)
site_netCode[ /nSites= 0..26] (Type is String)
  • attributes
    • long_name: Contributing radar site network affiliation code (Type is String)
    • string_length: 25 (Type is Int32)
procParams[ /nProcParam= 0..6] (Type is Float32)
  • attributes
    • long_name: RTV processing parameters (Type is String)
    • comment: 01) Maximum GDOP threshold 02) Maximum speed threshold (cm s-1) 03) Minimum number of sites required 04) Minimum number of radials required 05) Maximum angular gap to interpolate radial data over (degrees, 0 = no interpolation) 06) Maximum gap in range to interpolate radial data over (range-resolution, 0 = no interpolation) 07) Spatial search radius for radial solutions (km) (Type is String)
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