netcdf classic (CDF-1) {
dimensions:
	zag = 7 ;
	nv = 2 ;
	time = 144 ;
// global attributes:
		:Title = "Cabauw Tower Meteo Variables" ;
		:Institution = "Royal Netherlands Meteorological Institute (KNMI)" ;
		:Contact_person = "Fred Bosveld, fred.bosveld@knmi.nl" ;
		:Source = "Cabauw Tower, validated measured data (level 1b) and validated gap-filled measured data merged with AWS and model data (level 1c)" ;
		:History = "processed with IDL script create_ncdf_output_data (version 2.0, 2015-06-30, KNMI) on bhw460.knmi.nl at Mon Aug 15 12:27:53 2016" ;
		:Dependencies = "external" ;
		:Conventions = "CF-1.4" ;
		:Processing_date = "2016-08-15" ;
		:Author = "Henk Klein Baltink, henk.klein.baltink@knmi.nl" ;
		:Comment = "" ;
		:License = (text block) ;
| For non-commercial use only. This data is subject to the HD(CP)2 data policy to be found at hdcp2.zmaw.de
| and in the HDC(CP)2 Observation Data Product Standard. CESAR data policy applies also, see: www.cesar-database.nl.
variables:
	char product ;
		product:long_name = "metadata for data in this file" ;
		product:format_version = "netCDF classic" ;
		product:originator = "Klein Baltink H., KNMI" ;
		product:revision_date = "2016-08-15" ;
		product:date_start_of_data = "2007-05-28T00:00Z" ;
		product:date_end_of_data = "2007-05-28T23:50Z" ;
	char station_details ;
		station_details:long_name = "metadata for supersite" ;
		station_details:name = "CESAR observatory" ;
		station_details:latitude = 51.9700012 ;
		station_details:longitude = 4.92600012 ;
		station_details:elevation = -0.699999988 ;
		station_details:WMO_id = "06348" ;
		station_details:address = "Zijdeweg 1" ;
		station_details:postal_code = "3411 MH" ;
		station_details:city = "Lopik" ;
		station_details:administration_area = "Utrecht" ;
		station_details:country = "the Netherlands" ;
	double time(time) ;
		time:units = "seconds since 1970-01-01 00:00:00 00:00" ;
		time:standard_name = "time" ;
		time:long_name = "time since reference at start of data acquisition interval" ;
		time:calendar = "standard" ;
		time:bounds = "time_bnds" ;
	double time_bnds(time, nv) ;
	float lon ;
		lon:units = "degree_north" ;
		lon:standard_name = "longitude" ;
	float lat ;
		lat:units = "degree_east" ;
		lat:standard_name = "latitude" ;
	float zsl ;
		zsl:units = "m" ;
		zsl:standard_name = "altitude" ;
		zsl:long_name = "altitude of base of tower above msl" ;
	float zag(zag) ;
		zag:units = "m" ;
		zag:standard_name = "height" ;
		zag:long_name = "height of instruments in tower above surface" ;
		zag:positive = "up" ;
		zag:axis = "Z" ;
	float wspeed(time, zag) ;
		wspeed:standard_name = "wind_speed" ;
		wspeed:long_name = "merged horizontal wind speed" ;
		wspeed:units = "m s-1" ;
		wspeed:_FillValue = -9999.0 ;
		wspeed:ancillary_variables = "wspeed_source_index wspeed_error wspeed_max wspeed_min wspeed_std" ;
		wspeed:cell_methods = "time: mean" ;
	byte wspeed_source_index(time, zag) ;
		wspeed_source_index:long_name = "source index indicator for wspeed" ;
		wspeed_source_index:flag_values = 1, 2, 3, 5, 6, 7 ;
		wspeed_source_index:flag_meanings = "BSRN Cabauw_insitu Cabauw_AWS interpolated model_Cabauw model_De_Bilt" ;
		wspeed_source_index:_FillValue = 99 ;
	float wspeed_error ;
		wspeed_error:units = "m s-1" ;
		wspeed_error:long_name = "cup anemometer windspeed error" ;
	float wspeed_max(time, zag) ;
		wspeed_max:standard_name = "wind_speed_of_gust" ;
		wspeed_max:long_name = "maximum horizontal measured wind speed corrected for flow obstruction" ;
		wspeed_max:units = "m s-1" ;
		wspeed_max:_FillValue = -9999.0 ;
		wspeed_max:cell_methods = "time: maximum" ;
	float wspeed_min(time, zag) ;
		wspeed_min:standard_name = "wind_speed" ;
		wspeed_min:long_name = "minimum horizontal measured wind speed not corrected for flow obstruction" ;
		wspeed_min:units = "m s-1" ;
		wspeed_min:_FillValue = -9999.0 ;
		wspeed_min:cell_methods = "time: minimum" ;
	float wspeed_std(time, zag) ;
		wspeed_std:long_name = "standard deviation measured horizontal wind speed corrected for flow obstruction" ;
		wspeed_std:units = "m s-1" ;
		wspeed_std:_FillValue = -9999.0 ;
		wspeed_std:cell_methods = "time: standard_deviation" ;
	float wdir(time, zag) ;
		wdir:standard_name = "wind_from_direction" ;
		wdir:long_name = "merged wind from direction" ;
		wdir:units = "degree" ;
		wdir:_FillValue = -9999.0 ;
		wdir:ancillary_variables = "wdir_error wdir_source_index wdir_std" ;
		wdir:cell_methods = "time: mean" ;
	float wdir_error ;
		wdir_error:units = "degree" ;
		wdir_error:long_name = "wind vane direction error" ;
	float wdir_std(time, zag) ;
		wdir_std:long_name = "standard deviation measured wind from direction" ;
		wdir_std:units = "degree" ;
		wdir_std:_FillValue = -9999.0 ;
		wdir_std:cell_methods = "time: standard_deviation" ;
	byte wdir_source_index(time, zag) ;
		wdir_source_index:long_name = "source index indicator for wdir" ;
		wdir_source_index:flag_values = 1, 2, 3, 5, 6, 7 ;
		wdir_source_index:flag_meanings = "BSRN Cabauw_insitu Cabauw_AWS interpolated model_Cabauw model_De_Bilt" ;
		wdir_source_index:_FillValue = 99 ;
	float ta(time, zag) ;
		ta:standard_name = "air_temperature" ;
		ta:long_name = "merged air temperature" ;
		ta:units = "K" ;
		ta:_FillValue = -9999.0 ;
		ta:ancillary_variables = "ta_error ta_source_index" ;
		ta:cell_methods = "time: mean" ;
	float ta_error ;
		ta_error:units = "K" ;
		ta_error:long_name = "air temperature sensor error" ;
	byte ta_source_index(time, zag) ;
		ta_source_index:long_name = "source index indicator for ta" ;
		ta_source_index:flag_values = 1, 2, 3, 5, 6, 7 ;
		ta_source_index:flag_meanings = "BSRN Cabauw_insitu Cabauw_AWS interpolated model_Cabauw model_De_Bilt" ;
		ta_source_index:_FillValue = 99 ;
	float hus(time, zag) ;
		hus:standard_name = "specific_humidity" ;
		hus:long_name = "merged specific humidity" ;
		hus:units = "1e-3" ;
		hus:_FillValue = -9999.0 ;
		hus:ancillary_variables = "hus_source_index" ;
		hus:cell_methods = "time: mean" ;
	byte hus_source_index(time, zag) ;
		hus_source_index:long_name = "source index indicator for hus" ;
		hus_source_index:flag_values = 1, 2, 3, 5, 6, 7 ;
		hus_source_index:flag_meanings = "BSRN Cabauw_insitu Cabauw_AWS interpolated model_Cabauw model_De_Bilt" ;
		hus_source_index:_FillValue = 99 ;
	float hur(time, zag) ;
		hur:standard_name = "relative_humidity" ;
		hur:long_name = "relative humidity from merged air temperature and merged specific humidity" ;
		hur:units = "1" ;
		hur:_FillValue = -9999.0 ;
		hur:cell_methods = "time: mean" ;
	float vis(time, zag) ;
		vis:standard_name = "visibility_in_air" ;
		vis:units = "m" ;
		vis:_FillValue = -9999.0 ;
		vis:cell_methods = "time: mean" ;
// time: first 1180310400.0, last 1180396200.0, count 144
// zag: first 2.0, last 200.0, count 7
}