Fix a bug in VBS SOA gas-aerosol partition calculation #6502
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This bug fix corrects issue #6474
In subroutine mam_soaexch_vbs_1subarea in components/eam/src/chemistry/modal_aero/modal_aero_amicphys.F90
The calculation of p0_soa_298 is not correct. Temperature of 298 K should be used instead of ambient temperature
This fix has very small impact on global mean climate
See e3sm_diags:
Default tag v3.0.0: https://web.lcrc.anl.gov/public/e3sm/diagnostic_output/ac.mwu/E3SMv3/20240520.v3.LR.F2010.chrysalis/e3sm_diags/atm_monthly_180x360_aave/model_vs_obs_0002-0011/viewer/
VBSfix:
https://web.lcrc.anl.gov/public/e3sm/diagnostic_output/ac.mwu/E3SMv3/20240520.v3.LR.F2010.VBSfix.chrysalis/e3sm_diags/atm_monthly_180x360_aave/model_vs_obs_0002-0011/viewer/
and IICE comparison:
https://portal.nersc.gov/project/m2136/bin/iice/iice.cgi?url1=https://web.lcrc.anl.gov/public/e3sm/diagnostic_output/ac.mwu/E3SMv3/20240520.v3.LR.F2010.chrysalis/e3sm_diags/atm_monthly_180x360_aave/model_vs_obs_0002-0011/viewer&label1=default%20v3&url2=https://web.lcrc.anl.gov/public/e3sm/diagnostic_output/ac.mwu/E3SMv3/20240520.v3.LR.F2010.VBSfix.chrysalis/e3sm_diags/atm_monthly_180x360_aave/model_vs_obs_0002-0011/viewer&label2=VBSfix&category=&plot=&diff=0&dconfig=vsObs&