Thu, 17 Jun 2021 14:09:17 +0200
Updated documetation: new options for Molecular_Calc have been described
docs/file_formats/netcdf_file.rst | file | annotate | diff | comparison | revisions | |
docs/files/NetCDF_input_file_v3_4.pdf | file | annotate | diff | comparison | revisions |
--- a/docs/file_formats/netcdf_file.rst Tue Apr 27 12:16:14 2021 +0200 +++ b/docs/file_formats/netcdf_file.rst Thu Jun 17 14:09:17 2021 +0200 @@ -3,7 +3,7 @@ The SCC input netCDF file format ================================ -A more detailed version of this document can be found in this :download:`pdf file <../files/NetCDF_input_file_v3_3.pdf>`. +A more detailed version of this document can be found in this :download:`pdf file <../files/NetCDF_input_file_v3_4.pdf>`. .. note:: @@ -59,7 +59,7 @@ file is of course mandatory and the *Sounding Data*, *Overlap* and *Lidar Ratio* files are optional. If *Sounding Data* file is not submitted by the user, the molecular density will be calculated by the -SCC using the "US Standard Atmosphere 1976". If the *Overlap* file is +SCC using model forecast/re-analysis or in case these are not available using the "US Standard Atmosphere 1976". If the *Overlap* file is not submitted by the user, the SCC will get the full overlap height from SCC\_DB and it will produce optical results starting from this height. If *Lidar Ratio* file is not submitted by the user, the SCC will @@ -723,17 +723,32 @@ - | ``Molecular_Calc`` | This mandatory variable defines the way used by SCC to calculate - the molecular density profile. At the moment two options are + the molecular density profile. The following options are available: + #. Automatic. In this case the value of this variable has to be 0. + First the availablity of model forecast/re-analysis on Cloudnet data portal (https://cloudnet.fmi.fi/) is checked. + In case no model data are found US Standard Atmosphere 1976 is used. + + #. Radiosounding. In this case the value of this variable has to be 1 + + #. Model forecast/re-analysis. In this case the value of this variable has to be 2. + Model data are made available by Cloudnet data portal (https://cloudnet.fmi.fi/). + #. US Standard Atmosphere 1976. In this case the value of this - variable has to be 0 + variable has to be 4 - #. Radiosounding. In this case the value of this variable has to be 1 - If we decide to use the option 1. we have to provide also the - measured pressure and temperature at lidar station level. Indeed if - we decide to use the option 2. a radiosounding file has to be + If we decide to use the option 1. or option 4. we have to provide also the + measured pressure and temperature at lidar station level. + Option 1. is available only for the stations registered to Cloudnet data portal for + the delivery of the required model data. + The Cloudnet station registration status can be checked by looking at the field 'Cloudnet Station ID' + in the station settings. If this field is filled the corresponding station is registered otherwise it is not. + In case the station is not registered you can ask to be registered by contacting SCC responsible. + Usually model data are made available with a delay of 24h. + + For the option 2. a radiosounding file has to be submitted separately in NetCDF format (the structure of this file is summarized in table 2 of the pdf file). Let’s suppose we want to use the option 1. so: @@ -743,18 +758,16 @@ Molecular_Calc = 0 ; - | ``Pressure_at_Lidar_Station`` - | Because we have chosen the US Standard Atmosphere for calculation - of the molecular density profile we have to give the pressure in - hPa at lidar station level: + | Because we have chosen the automatic calculation mode to compute the molecular density profile we need to provide + the pressure in hPa at lidar station level (in case model data are not available). :: Pressure_at_Lidar_Station = 1010 ; - | ``Temperature_at_Lidar_Station`` - | Because we have chosen the US Standard Atmosphere for calculation - of the molecular density profile we have to give the temperature in - C at lidar station level: + | Because we have chosen the automatic calculation mode to compute the molecular density profile we need to provide + the temperature in C at lidar station level (in case model data are not available). ::