netcdf 20031001_chilbolton_ice-radar-lidar-method {
dimensions:
time = 2871 ;
height = 192 ;
variables:
float time(time) ;
time:axis = "T" ;
time:units = "hours since 2003-10-01 00:00:00+0:00" ;
time:long_name = "Time UTC" ;
time:standard_name = "time" ;
time:missing_value = -999.f ;
time:_fillvalue = -999.f ;
time:comment = "" ;
float height(height) ;
height:axis = "Z" ;
height:units = "m" ;
height:long_name = "Height above mean sea level" ;
height:standard_name = "height" ;
height:missing_value = -999.f ;
height:_fillvalue = -999.f ;
height:comment = "" ;
float rpeff(time, height) ;
rpeff:units = "um" ;
rpeff:units_html = "μm" ;
rpeff:plot_range = 10.f, 500.f ;
rpeff:plot_scale = "logarithmic" ;
rpeff:error_variable = "rpeff_error" ;
rpeff:long_name = "Effective radius prime" ;
rpeff:missing_value = -999.f ;
rpeff:_fillvalue = -999.f ;
rpeff:comment = "This variable is the lidar-radar effective radius which \\n is an invariant function of the ratio between the optical \\n extinction and the radar reflectivity." ;
float rpeff_error(time, height) ;
rpeff_error:units = "um" ;
rpeff_error:long_name = "Random error in rpeff, one standard deviation" ;
rpeff_error:missing_value = -999.f ;
rpeff_error:plot_range = 1.f, 200.f ;
rpeff_error:plot_scale = "logarithmic" ;
rpeff_error:_fillvalue = -999.f ;
rpeff_error:comment = "This variable is an estimate of the one-standard-deviation random error in \\n effective radius prime calculated by propagating the errors in the \\n lidar and radar signal" ;
float reff(time, height) ;
reff:units = "um" ;
reff:units_html = "&um;m" ;
reff:plot_range = 0.f, 200.f ;
reff:habit = "Complex Polycrystal" ;
reff:plot_scale = "linear" ;
reff:error_variable = "reff_error" ;
reff:long_name = "Effective radius" ;
reff:missing_value = -999.f ;
reff:_fillvalue = -999.f ;
reff:comment = "" ;
float reff_error(time, height) ;
reff_error:units = "um" ;
reff_error:long_name = "Random error in effective radius, one standard deviation" ;
reff_error:habit = "Complex Polycrystal" ;
reff_error:missing_value = -999.f ;
reff_error:plot_range = 0.f, 100.f ;
reff_error:plot_scale = "linear" ;
reff_error:_fillvalue = -999.f ;
reff_error:comment = "This variable is an estimate of the one-standard-deviation random error in \\n effective radius taken from rpeff_error" ;
float alpha(time, height) ;
alpha:units = "m-1" ;
alpha:units_html = "(m)-1" ;
alpha:plot_range = 1.e-06f, 0.1f ;
alpha:plot_scale = "logarithmic" ;
alpha:error_variable = "alpha_error" ;
alpha:long_name = "Extinction" ;
alpha:missing_value = -999.f ;
alpha:_fillvalue = -999.f ;
alpha:comment = "" ;
float alpha_error(time, height) ;
alpha_error:units = "m-1" ;
alpha_error:long_name = "std deviation Extinction" ;
alpha_error:missing_value = -999.f ;
alpha_error:plot_range = 1.e-06f, 0.01f ;
alpha_error:plot_scale = "logarithmic" ;
alpha_error:_fillvalue = -999.f ;
alpha_error:comment = "" ;
float iwc(time, height) ;
iwc:units = "g m-3" ;
iwc:units_html = "g m-3" ;
iwc:plot_range = 1.e-05f, 10.f ;
iwc:habit = "Complex Polycrystal" ;
iwc:plot_scale = "logarithmic" ;
iwc:error_variable = "iwc_error" ;
iwc:long_name = "Ice water content" ;
iwc:missing_value = -999.f ;
iwc:_fillvalue = -999.f ;
iwc:comment = "This variable is the ice water content which \\n is calculated from IWC-prime addopting an ice habit and particles size distribution" ;
float iwc_error(time, height) ;
iwc_error:units = "g m-3" ;
iwc_error:long_name = "Random error in Ice water content, one standard deviation" ;
iwc_error:missing_value = -999.f ;
iwc_error:habit = "Complex Polycrystal" ;
iwc_error:plot_range = 1.e-06f, 1.f ;
iwc_error:plot_scale = "logarithmic" ;
iwc_error:_fillvalue = -999.f ;
iwc_error:comment = "This variable is an estimate of the one-standard-deviation random error in \\n effective ice water content calculated using the error in ice water content prime" ;
float iwcp(time, height) ;
iwcp:units = "g m-3" ;
iwcp:units_html = "g m-3" ;
iwcp:plot_range = 1.e-05f, 10.f ;
iwcp:plot_scale = "logarithmic" ;
iwcp:error_variable = "iwcp_error" ;
iwcp:long_name = "Ice water content prime" ;
iwcp:missing_value = -999.f ;
iwcp:_fillvalue = -999.f ;
iwcp:comment = "This variable is the lidar-radar effective ice water content which \\n is an invariant function of the ratio between the optical \\n extinction and the radar reflectivity." ;
float iwcp_error(time, height) ;
iwcp_error:units = "g m-3" ;
iwcp_error:long_name = "Random error in Ice water content prime, one standard deviation" ;
iwcp_error:missing_value = -999.f ;
iwcp_error:plot_range = 1.e-06f, 1.f ;
iwcp_error:plot_scale = "logarithmic" ;
iwcp_error:_fillvalue = -999.f ;
iwcp_error:comment = "This variable is an estimate of the one-standard-deviation random error in \\n effective ice water content prime calculated by propagating the errors in the \\n lidar and radar signal" ;
float ice(time, height) ;
ice:units = "-" ;
ice:long_name = "ice determination; ice=1 --> ice; ice=0 --> water or nothing" ;
// global attributes:
:title = "Ice cloud properties derived using combined radar and lidar" ;
:location = "Chilbolton" ;
:software_version = "Lidrad 1.04" ;
:radar_freq = 94.f ;
:lidar_wave = "905 nm" ;
:Conventions = "CF-1.0" ;
:source = "CloudNet categorization product comprising:\\n lidar and radar" ;
:day = "01" ;
:month = "10" ;
:year = "2003" ;
:institution = "Data processed at the Royal Dutch Meteorological Institute (KNMI)" ;
:references = "Donovan and Van Lammeren 2000, Donovan 2003" ;
:history = "Fri Feb 11 20:02:40 CET 2005 - NetCDF generated from original data by Gerd-Jan van Zadelhoff ;\n",
"" ;
}