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a question about wind stress reading in a CAIF case

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gaoyanqiujuly11...
a question about wind stress reading in a CAIF case
I have read the POP2 code in models/ocn/pop2, I found a question about wind stress reading.When I run a case like this: ./create_newcase -case ../cases/aaa -compset CIAF -res T62_gx1v6 -mach XXX, I checked the file named datm_atm_in in cases/aaa/run directory,and found that ....(information about streams, like  streams= "datm.streams.txt.CORE2_IAF.NCEP.U_10    1 1948 2009", etc.) But I checked the whole code in models/ocn/pop2, and I didnot find where 'datm_atm_in' was reading.
PS: 1) I checked the file named pop2_in, and found that 'ws_data_type = none'. If this is true, there is no wind stress according to the POP2 code (subroutine init_ws and subroutine set_surface_forcing).      2) When I run a case like this: ./create_newcase -case ../cases/bbb -compset C -res T62_gx1v6 -mach XXX,  I checked the file named datm_atm_in in cases/bbb/run directory, and found that ....(information about streams, like   streams="datm.streams.txt.CORE2_NYF.NCEP 1 1 1", etc.)   The same as before, I didnot find where 'datm_atm_in' was reading in pop2 code (models/ocn/pop2).
 My questionis : When I run a CIAF case, how do the wind stress in /inputdata/ocn/iaf/ are added in ocean model (pop2)?  Thank you for your help!

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