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119 lines
5.0 KiB
Plaintext
119 lines
5.0 KiB
Plaintext
netcdf 500m {
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dimensions:
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time = 2 ;
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lat = 153 ;
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lon = 106 ;
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nSites = 4 ;
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nProcParam = 7 ;
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variables:
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float lat(lat) ;
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lat:standard_name = "latitude" ;
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lat:units = "degrees_north" ;
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float lon(lon) ;
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lon:standard_name = "longitude" ;
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lon:units = "degrees_east" ;
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float site_lat(nSites) ;
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site_lat:long_name = "Contributing radar site latitudes" ;
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site_lat:standard_name = "latitude" ;
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site_lat:units = "degrees_north" ;
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float site_lon(nSites) ;
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site_lon:long_name = "Contributing radar site longitudes" ;
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site_lon:standard_name = "longitude" ;
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site_lon:units = "degrees_east" ;
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char site_code(nSites) ;
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site_code:long_name = "Contributing radar site code" ;
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site_code:DODS:strlen = 25 ;
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site_code:DODS:dimName = "nSites_maxStrlen" ;
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char site_netCode(nSites) ;
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site_netCode:long_name = "Contributing radar site network affiliation code" ;
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site_netCode:DODS:strlen = 25 ;
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site_netCode:DODS:dimName = "nSites_maxStrlen" ;
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float procParams(nProcParam) ;
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procParams:long_name = "RTV processing parameters" ;
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procParams:comment = "\n",
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"01) Maximum GDOP threshold\n",
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"02) Maximum speed threshold (cm s-1)\n",
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"03) Minimum number of sites required\n",
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"04) Minimum number of radials required\n",
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"05) Maximum angular gap to interpolate radial\n",
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" data over (degrees, 0 = no interpolation)\n",
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"06) Maximum gap in range to interpolate radial\n",
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" data over (range-resolution, 0 = no interpolation)\n",
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"07) Spatial search radius for radial solutions (km)" ;
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int time(time) ;
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time:standard_name = "time" ;
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time:units = "seconds since 1970-01-01" ;
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time:calendar = "gregorian" ;
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short u(time, lat, lon) ;
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u:standard_name = "surface_eastward_sea_water_velocity" ;
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u:units = "m s-1" ;
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u:_FillValue = -32768s ;
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u:scale_factor = 0.01f ;
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u:ancillary_variables = "DOPx" ;
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short v(time, lat, lon) ;
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v:standard_name = "surface_northward_sea_water_velocity" ;
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v:units = "m s-1" ;
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v:_FillValue = -32768s ;
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v:scale_factor = 0.01f ;
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v:ancillary_variables = "DOPy" ;
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short DOPx(time, lat, lon) ;
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DOPx:long_name = "longitudinal dilution of precision" ;
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DOPx:comment = "The longitudinal dilution of precision (DOPx) represents the\n",
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"contribution of the radars\' configuration geometry to\n",
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"uncertainty in the eastward velocity estimate (u). DOPx is a\n",
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"direct multiplier of the standard error in obtaining the\n",
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"standard deviation for the eastward velocity estimate from the\n",
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"least squares best fit. DOPx and DOPy are commonly used to\n",
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"obtain the geometric dilution of precision\n",
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"(GDOP = sqrt(DOPx^2 + DOPy^2)), a useful metric for filtering\n",
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"errant velocities due to poor geometry." ;
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DOPx:_FillValue = -32768s ;
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DOPx:scale_factor = 0.01f ;
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short DOPy(time, lat, lon) ;
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DOPy:long_name = "latitudinal dilution of precision" ;
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DOPy:comment = "The latitudinal dilution of precision (DOPy) represents the\n",
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"contribution of the radars\' configuration geometry to\n",
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"uncertainty in the northward velocity estimate (v). DOPy is a\n",
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"direct multiplier of the standard error in obtaining the\n",
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"standard deviation for the northward velocity estimate from the\n",
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"least squares best fit. DOPx and DOPy are commonly used to\n",
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"obtain the geometric dilution of precision\n",
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"(GDOP = sqrt(DOPx^2 + DOPy^2)), a useful metric for filtering\n",
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"errant velocities due to poor geometry." ;
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DOPy:_FillValue = -32768s ;
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DOPy:scale_factor = 0.01f ;
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// global attributes:
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:netcdf_library_version = "netcdf library version 3.6.1 of Feb 3 2008 23:15:25 $" ;
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:format_version = "HFRNet_1.0.0b2" ;
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:product_version = "HFRNet_1.1.01" ;
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:Conventions = "CF-1.1" ;
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:title = "Near-Real Time Surface Ocean Velocity" ;
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:institution = "Scripps Institution of Oceanography" ;
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:source = "Surface Ocean HF-Radar" ;
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:history = "13-Mar-2008 18:20:09: NetCDF file created" ;
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:references = "Terrill, E. et al., 2006. Data Management and Real-time\n",
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"Distribution in the HF-Radar National Network. Proceedings\n",
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"of the MTS/IEEE Oceans 2006 Conference, Boston MA,\n",
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"September 2006." ;
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:creator_name = "Mark Otero" ;
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:creator_email = "motero@mpl.ucsd.edu" ;
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:creator_url = "http://cordc.ucsd.edu/projects/mapping/" ;
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:summary = "Surface ocean velocities estimated from HF-Radar are\n",
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"representitive of the upper 0.3 - 2.5 meters of the\n",
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"ocean. The main objective of near-real time\n",
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"processing is to produce the best product from\n",
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"available data at the time of processing. Radial\n",
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"velocity measurements are obtained from individual\n",
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"radar sites through the HF-Radar Network and\n",
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"processed to create near-real time velocities\n",
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"(RTVs)" ;
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:geospatial_lat_min = 37.45549f ;
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:geospatial_lat_max = 38.13873f ;
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:geospatial_lon_min = -122.5935f ;
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:geospatial_lon_max = -122.0469f ;
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:grid_resolution = "500m" ;
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:grid_projection = "equidistant cylindrical" ;
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:regional_description = "California Coast, United States" ;
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}
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