Dear Wang,

I certainly understand your challenge. I believe that to better understand those variables you need to review your theoretical knowledge.

Easiest way is to refer to books on atmosphere & land concepts.

Hope this information is useful.

Regards,

Peter.

On 17 Jan 2018 10:04, <regcnet-request@lists.ictp.it> wrote:


Today's Topics:

   1. Re: RegCNET Digest, Vol 583, Issue 6 (wangcaiyu)


----------------------------------------------------------------------

From: wangcaiyu  <wang_caiyu@163.com>
Subject: Re: [RegCNET] RegCNET Digest, Vol 583, Issue 6

Dear Peter,
Thank you very much for replying me out of your busy schedule.
For example, the mixrat variable, it's longname is Atmosphere tracer mixing ratio. But I don''t know clearly it physical meaning. What can I do for dealing with this problem?

Look forward for your reply. Thanks a lot.
Regards,
Wang








At 2018-01-11 19:00:15, regcnet-request@lists.ictp.it wrote:
>
>
>Today's Topics:
>
>   1. Re: RegCNET Digest, Vol 583, Issue 1 (Peter Nunekpeku)
>
>
>----------------------------------------------------------------------
>
>From: Peter Nunekpeku <pnunekpeku5@gmail.com>
>Subject: Re: [RegCNET] RegCNET Digest, Vol 583, Issue 1
>
>Dear Wang,
>
>Kindly look at the long name to understand what the variables are.
>
>Hope this helps.
>
>Regards,
>
>Peter Nunekpeku.
>
>On 8 Jan 2018 07:47, <regcnet-request@lists.ictp.it> wrote:
>
>>
>>
>> Today's Topics:
>>
>>    1. RegCM4.5 dust (王彩玉)
>>
>>
>> ----------------------------------------------------------------------
>>
>> From: 王彩玉 <wang_caiyu@163.com>
>> Subject: [RegCNET] RegCM4.5 dust
>>
>> Hi
>>  Happy New Year to you!
>>  I ran RegCM4.5 with dust model and I got the output files.
>>  But, I don't understand the variables of CHE files. Could you please send
>> me a  file that helps me understand the variables?
>> The variables are followings:
>>        float wdrflx ( time, iy, jx )
>>          long_name :Wet deposition flux due to rainout
>>          standard_name :wet_deposition_flux_from_rainout
>>          units :mg m-2 day-1
>>          coordinates :xlat xlon
>>          grid_mapping :crs
>>          cell_methods :time: mean
>>
>>
>>       float wdwflx ( time, iy, jx )
>>          long_name :Wet deposition flux due to washout
>>          standard_name :wet_deposition_flux_from_washout
>>          units :mg m-2 day-1
>>          coordinates :xlat xlon
>>          grid_mapping :crs
>>          cell_methods :time: mean
>>
>>
>>       float ddflx ( time, iy, jx )
>>          long_name :Dry deposition flux
>>          standard_name :dry_deposition_flux
>>          units :mg m-2 day-1
>>          coordinates :xlat xlon
>>          grid_mapping :crs
>>          cell_methods :time: mean
>>
>>
>>       float emflx ( time, iy, jx )
>>          long_name :Surface emission flux
>>          standard_name :surface_emission_flux
>>          units :mg m-2 day-1
>>          coordinates :xlat xlon
>>          grid_mapping :crs
>>          cell_methods :time: mean
>>
>>
>>       float ddvel ( time, iy, jx )
>>          long_name :Dry deposition velocity
>>          standard_name :dry_deposition_velocity
>>          units :m s-1
>>          coordinates :xlat xlon
>>          grid_mapping :crs
>>          cell_methods :time: mean
>>
>>
>>       float burden ( time, iy, jx )
>>          long_name :Tracer total burden
>>          standard_name :tracer_burden
>>          units :mg m-2
>>          coordinates :xlat xlon
>>          grid_mapping :crs
>>          cell_methods :time: mean
>>
>>
>>       float emiten ( time, iy, jx )
>>          long_name :Tendency of tracer due to emission
>>          standard_name :tendency_of_mixing_ratio_due_to_emission
>>          units :kg kg-1 s-1
>>          coordinates :xlat xlon
>>          grid_mapping :crs
>>          cell_methods :time: point
>>
>>
>>       float mixrat ( time, kz, iy, jx )
>>          long_name :Atmosphere tracer mixing ratio
>>          standard_name :atmosphere_mixing_ratio_of_tracer
>>          units :1
>>          coordinates :xlat xlon
>>          grid_mapping :crs
>>          cell_methods :time: point
>>
>>
>>       float cheten ( time, kz, iy, jx )
>>          long_name :Tendency of tracer due to chemical reactions
>>          standard_name :tendency_of_mixing_ratio_due_to_chemical_prod_loss
>>          units :kg kg-1 s-1
>>          coordinates :xlat xlon
>>          grid_mapping :crs
>>          cell_methods :time: point
>>
>>
>>       float advhten ( time, kz, iy, jx )
>>          long_name :Tendency of tracer due to horizontal advection
>>          standard_name :tendency_of_mixing_ratio_due_
>> to_horizontal_advection
>>          units :kg kg-1 s-1
>>          coordinates :xlat xlon
>>          grid_mapping :crs
>>          cell_methods :time: point
>>
>>
>>       float advvten ( time, kz, iy, jx )
>>          long_name :Tendency of tracer due to vertical advection
>>          standard_name :tendency_of_mixing_ratio_due_to_vertical_advection
>>          units :kg kg-1 s-1
>>          coordinates :xlat xlon
>>          grid_mapping :crs
>>          cell_methods :time: point
>>
>>
>>       float difhten ( time, kz, iy, jx )
>>          long_name :Tendency of tracer due to diffusion
>>          standard_name :tendency_of_mixing_ratio_due_to_diffusion
>>          units :kg kg-1 s-1
>>          coordinates :xlat xlon
>>          grid_mapping :crs
>>          cell_methods :time: point
>>
>>
>>       float cuten ( time, kz, iy, jx )
>>          long_name :Tendency of tracer due to convective transport
>>          standard_name :tendency_of_mixing_ratio_due_
>> to_convective_transport
>>          units :kg kg-1 s-1
>>          coordinates :xlat xlon
>>          grid_mapping :crs
>>          cell_methods :time: point
>>
>>
>>       float tuten ( time, kz, iy, jx )
>>          long_name :Tendency of tracer due to vertical turbolence
>>          standard_name :tendency_of_mixing_ratio_due_
>> to_vertical_turbolence
>>          units :kg kg-1 s-1
>>          coordinates :xlat xlon
>>          grid_mapping :crs
>>          cell_methods :time: point
>>
>>
>>       float raiten ( time, kz, iy, jx )
>>          long_name :Tendency of tracer due to total rainout
>>          standard_name :tendency_of_mixing_ratio_due_to_total_rainout
>>          units :kg kg-1 s-1
>>          coordinates :xlat xlon
>>          grid_mapping :crs
>>          cell_methods :time: point
>>
>>
>>       float wasten ( time, kz, iy, jx )
>>          long_name :Tendency of tracer due to total washout
>>          standard_name :tendency_of_mixing_ratio_due_to_total_washout
>>          units :kg kg-1 s-1
>>          coordinates :xlat xlon
>>          grid_mapping :crs
>>          cell_methods :time: point
>>
>>
>>       float bdyten ( time, kz, iy, jx )
>>          long_name :Tendency of tracer due to boundary conditions
>>          standard_name :tendency_of_mixing_ratio_due_
>> to_boundary_conditions
>>          units :kg kg-1 s-1
>>          coordinates :xlat xlon
>>          grid_mapping :crs
>>          cell_methods :time: point
>>
>>
>>       float sedten ( time, kz, iy, jx )
>>          long_name :Tendency of tracer due to sedimentation
>>          standard_name :tendency_of_mixing_ratio_due_to_sedimentation
>>          units :kg kg-1 s-1
>>          coordinates :xlat xlon
>>          grid_mapping :crs
>>          cell_methods :time: point
>>
>>
>>       float time ( time )
>>          long_name :time
>>          standard_name :time
>>          units :hours since 1949-12-01 00:00:00 UTC
>>          calendar :gregorian
>>          bounds :time_bnds
>>
>>
>>       float time_bnds ( time, time_bounds )
>>          units :hours since 1949-12-01 00:00:00 UTC
>>          calendar :gregorian
>>
>>
>>       character crs ( ncl_scalar )
>>          proj4_params :+proj=omerc +lat_0=12.00 +alpha=90.0 +lonc=8.00
>> +x_0=-30000. +y_0=-30000. +ellps=sphere +a=6371229. +b=6371229. +units=m
>> +no_defs
>>          grid_mapping_name :rotated_mercator
>>          latitude_of_projection_origin :  12
>>          longitude_of_projection_origin :   8
>>          scale_factor_at_projection_origin :   1
>>          semi_major_axis :6371229
>>          inverse_flattening :   0
>>          false_easting :-30000
>>          false_northing :-30000
>>          _CoordinateTransformType :Projection
>>          _CoordinateAxisTypes :GeoX GeoY
>>
>>
>> Best regards
>> Lucy
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