Re: [arts-users] the absorption by particles

2022-10-24 Thread Shaofei Wang
Dear Patrick,


Thank you very much for your reply and reminding!



Best regards,
Shaofei Wang
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On 10/24/2022 19:12,Patrick Eriksson wrote:
Dear Shaofei Wang,

rain-MPM93 works in a stand-alone fashion. That is, you can forget about
ScatElementsToabs_speciesAdd.

But please note that you have to be at very low frequencies (<10 GHz?)
to be in a situation where neglecting scattering by rain is a fair
approximation.

Regards,

Patrick

On 2022-10-24 11:09, Shaofei Wang wrote:
Hi, all

I want to use ARTS-2.4.0 to calculate the the absorption by
particles, not the scattering.

In the arts user guide 6.5.8, it said that the ARTS method for this
is ScatElementsToabs_speciesAdd.

If i want to use the condensate absorption models (e.g.,
rain-MPM93), whether i still need the method ScatElementsToabs_speciesAdd
or i just need the add "rain" to the abs_species, and read the rain
profile by AtmRawRead.
I've tried the latter, and it does produce different results from
the clear sky, but I don't know if this setup is correct.

   Can anyone help this?

Best regards,
Shaofei Wang


Re: [arts-users] the absorption by particles

2022-10-24 Thread Patrick Eriksson

Dear Shaofei Wang,

rain-MPM93 works in a stand-alone fashion. That is, you can forget about 
ScatElementsToabs_speciesAdd.


But please note that you have to be at very low frequencies (<10 GHz?) 
to be in a situation where neglecting scattering by rain is a fair 
approximation.


Regards,

Patrick

On 2022-10-24 11:09, Shaofei Wang wrote:

Hi, all

     I want to use ARTS-2.4.0 to calculate the the absorption by 
particles, not the scattering.


     In the arts user guide 6.5.8, it said that the ARTS method for this 
is ScatElementsToabs_speciesAdd.


     If i want to use the condensate absorption models (e.g., 
rain-MPM93), whether i still need the method ScatElementsToabs_speciesAdd
or i just need the add "rain" to the abs_species, and read the rain 
profile by AtmRawRead.
     I've tried the latter, and it does produce different results from 
the clear sky, but I don't know if this setup is correct.


    Can anyone help this?

Best regards,
Shaofei Wang


[arts-users] the absorption by particles

2022-10-24 Thread Shaofei Wang
Hi, all


I want to use ARTS-2.4.0 to calculate the the absorption by particles, not 
the scattering.


In the arts user guide 6.5.8, it said that the ARTS method for this is 
ScatElementsToabs_speciesAdd.


If i want to use the condensate absorption models (e.g., rain-MPM93), 
whether i still need the method ScatElementsToabs_speciesAdd 
or i just need the add "rain" to the abs_species, and read the rain profile by 
AtmRawRead. 

I've tried the latter, and it does produce different results from the clear 
sky, but I don't know if this setup is correct.  


   Can anyone help this?


Best regards,
Shaofei Wang