[RegCNET] RegCM4.0-Aerosol-aext8

[sunhui]

Thanks very much!


2011-07-06 



sunhui 



发件人： Solmon Fabien 
发送时间： 2011-07-06  16:05:35 
收件人： bixq 
抄送： sunhui; regcnet 
主题： Re: [RegCNET] RegCM4.0-Aerosol-aext8 
 
Hello
aext8 is the optical depth per layer and is relative to all aerosols
included in the simuation. The total AOD is obtained by summing aext8 on
the vertical , in the sigma level grid. 8 stands for the fact that this
optical depth is outputed for the band number 8 of the regcm radiation
code ( i.e the visible band), it is not related to the tracer number ...
regards
Fabien
ps : check also the regcnet archive for discussion of vertical
interpolation of optical parameters
> aext8 is related to 'BC_HL'.
>
> On Wed, 6 Jul 2011, sunhui wrote:
>
>> Hi everybody,
>>
>> The value of aext8 puzzled me.
>>
>> That's the situation, I added dust plus all aerosol (SO,OC and BC) in my
>> experiment.
>>
>> I set aertyp=AER11D1
>>            ntr=10
>>           nbin=4
>> inpchtrname='DUST','DUST','DUST','DUST',
>> 'SO2','SO4','BC_HB','BC_HL','OC_HB','OC_HL' .
>>
>> I want to know if the value of aext8  is total value of all aerosol
>> (include dust), or the model  only caculate only one kind of aerosol
>> (maybe the first one dust) in the case of too many aerosols.
>>
>> Thanks
>>
>> sunh
>>
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    Dr. Xunqiang Bi         email:bixq at ictp.it
>    Earth System Physics Group
>    The Abdus Salam ICTP
>    Strada Costiera, 11
>    P.O. BOX 586, 34100 Trieste, ITALY
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