netcdf hopm_lac_mwr00_l2_clwvi_1_379472517076731916 { dimensions: time = 20880 ; nv = 2 ; n_ret = 1 ; variables: double time(time) ; time:units = "seconds since 1970-01-01 00:00:00 UTC" ; time:standard_name = "time" ; time:bounds = "time_bnds" ; double time_bnds(time, nv) ; float lat ; lat:units = "degree_north" ; lat:standard_name = "latitude" ; float lon ; lon:units = "degree_east" ; lon:standard_name = "longitude" ; float zsl ; zsl:units = "m" ; zsl:standard_name = "altitude" ; zsl:long_name = "altitude above mean sea level" ; float azi(time) ; azi:units = "degree" ; azi:standard_name = "sensor_azimuth_angle" ; azi:_FillValue = -999.f ; azi:comment = "0=North, 90=East, 180=South, 270=West" ; float ele(time) ; ele:units = "degree" ; ele:long_name = "sensor elevation angle" ; ele:_FillValue = -999.f ; float ele_ret(n_ret) ; ele_ret:units = "degree" ; ele_ret:long_name = "retrieval elevation angle" ; ele_ret:_FillValue = -999.f ; float clwvi(time) ; clwvi:units = "kg m-2" ; clwvi:standard_name = "atmosphere_cloud_liquid_water_content" ; clwvi:_FillValue = -999.f ; clwvi:comment = "These values denote the vertically integrated amount of condensed water from the surface to TOA." ; float clwvi_off_zenith(time) ; clwvi_off_zenith:units = "kg m-2" ; clwvi_off_zenith:long_name = "off zenith path integrated liquid water" ; clwvi_off_zenith:_FillValue = -999.f ; clwvi_off_zenith:comment = "These values denote the path integrated amount of condensed water at arbitrary viewing directions in elevation and azimuth. Values not available yet in this data version." ; float clwvi_err(n_ret) ; clwvi_err:units = "kg m-2" ; clwvi_err:long_name = "standard error of atmosphere cloud liquid water content at retrieval elevation angle" ; clwvi_err:_FillValue = -999.f ; float clwvi_offset_zeroing(time) ; clwvi_offset_zeroing:units = "kg m-2" ; clwvi_offset_zeroing:long_name = "atmosphere_cloud_liquid_water_content clear sky zeroing offset correction" ; clwvi_offset_zeroing:_FillValue = -999.f ; clwvi_offset_zeroing:comment = "This value has been subtracted from the original clwvi (only zenith!) value to account for instrument calibration drifts. The information is designated for expert user use." ; float clwvi_offset(time) ; clwvi_offset:units = "kg m-2" ; clwvi_offset:long_name = "atmosphere_cloud_liquid_water_content offset correction based on brightness temperature offset" ; clwvi_offset:_FillValue = -999.f ; clwvi_offset:comment = "This value has been subtracted from the original clwvi value to account for instrument calibration drifts. The information is designated for expert user use." ; float clwvi_off_zenith_offset(time) ; clwvi_off_zenith_offset:units = "kg m-2" ; clwvi_off_zenith_offset:long_name = "off zenith path integrated liquid water offset correction based on brightness temperature offset" ; clwvi_off_zenith_offset:_FillValue = -999.f ; clwvi_off_zenith_offset:comment = "This value has been subtracted from the original path integrated amount of condensed water to account for instrument calibration drifts. The information is designated for expert user use." ; short flag(time) ; flag:long_name = "quality control flags" ; flag:flag_masks = 1s, 2s, 4s, 8s, 16s, 32s, 64s, 128s, 256s, 512s, 1024s ; flag:flag_meanings = "manual_filter_band_1 manual_filter_band2 manual_filter_band3 rain_flag sanity_receiver_band1 sanity_receiver_band2 sun_in_beam tb_threshold_band1 tb_threshold_band2 tb_threshold_band3 lwp_lwp_threshold" ; flag:_FillValue = 0s ; flag:comment = "Flags indicate data that the user should only use with care. In cases of doubt, please refer to the contact person. A Fillvalue of 0 means that data has not been flagged. Bands refer to the measurement ranges (if applicable) of the microwave radiometer; i.e band 1: 20-30 GHz, band 2: 50-60 GHz, band 3: 90 GHz; tb valid range: [ 2.70, 330.00] in K; prw valid range: [ 0., 100.] in kgm-2; clwvi (zeroing not applied) valid range: [-0.2, 3.0] in kgm-2; " ; // global attributes: :Title = "Microwave radiometer retrieved clwvi" ; :Institution = "Leibniz Institute for Tropospheric Research (TROPOS), Leipzig, Germany" ; :Contact_person = "Patric Seifert ( :Source = "RPG HATPRO G2 microwave radiometer" ; :History = "Data processed with mwrpro-v04 by TROPOS; Retrieval version: deb_rt00" ; :Dependencies = "hopm_lac_mwr00_l1_tb_v00" ; :Conventions = "CF-1.6" ; :Licence = "For non-commercial use only. This data is subject to the SAMD data policy to be found at www.icdc.cen.uni-hamburg.de/projekte/samd.html and in the SAMD Observation Data Product standard." ; :Processing_date = "Mon Aug 7 06:38:35 2017" ; :Measurement_site = "Melpitz, GER" ; :Author = "Ulrich Loehnert ( loehnert@
null meteo.uni-koeln.de
:Comments = "clwvi errors are given as a function of retrieval elevation angle. Note, observations may occur at different angles (interpolation)." ; }