Published October 5, 2022 | Version v3
Journal article Open

Contribution of regional aerosol nucleation to low-level CCN in an Amazonian deep convective environment: results from a regionally nested global model

  • 1. University of Leeds
  • 2. Carnegie Mellon University
  • 3. Max Planck Institute for Chemistry

Description

The data have been generated by UM-UKCA-CASIM from the nested regional model simulations. It contains data from 17 to 18 September, 2014, excluding the spinup day (16 September, 2014), and all the fields also exclude the regional model boundary data. The file names are composed of 'regional_'+variable name+simulation name+'.nc'. Each field is separately saved as netCDF file and is shown on geographic coordinates, which are longitude, latitude, vertical altitude level. The dimensions in each fields are: 

lat: latitude

lon: longitude

lev: altitude

hours_since_0UTC_17th: the number of hours in the simulations since 0UTC 17 September 2014.

Profiles of gases, rates and aerosol concentrations are plotted with the following files (Fig. 5): regional_nucleation_rate_Bio/BioOx/BioOxEm/Bn/Bnx10.nc, regional_growth_rate_Bio/BioOx/BioOxEm.nc, regional_nucleation_mode_Bio/BioOx/BioOxEm/Bn/Bnx10.nc, regional_aitken_mode_Bio/BioOx/BioOxEm/Bn/Bnx10.nc, regional_accumulation_mode_Bio/BioOx/BioOxEm/Bn/Bnx10.nc, regional_SO2_Bio/BioOx/BioOxEm/Bn/Bnx10.nc, regional_H2SO4_Bio/BioOx/BioOxEm/Bn/Bnx10.nc, regional_monoterpene_Bio/BioOx/BioOxEm/Bn/Bnx10.nc, regional_sec_org_Bio/BioOx/BioOxEm/Bn/Bnx10.nc.

The effect of cloud condensation sink on nucleation rate and aerosol concentrations are evaluated with the following files (Fig. 6 & 7): regional_nucleation_rate_BioOx/BioOxCCS/BioOxEm/BioOxEmCCS.nc, regional_nucleation_mode_BioOx/BioOxCCS/BioOxEm/BioOxEmCCS.nc, regional_aitken_mode_BioOx/BioOxCCS/BioOxEm/BioOxEmCCS.nc.

Aerosol concentrations that are caused by new particle formation within the regional domain are plotted with (Fig. 8 & 9): regional_nucleation_mode_BioOxEmCCS/off_regNPF/off_allNPF.nc, regional_aitken_mode_BioOxEmCCS/off_regNPF/off_allNPF.nc, regional_accumulation_mode_BioOxEmCCS/off_regNPF/off_allNPF.nc; regional_nucleation_mode_BioOxCCS.nc, off_regNPF/off_allNPF_BioOxCCS.nc, regional_aitken_mode_BioOxCCS.nc, off_regNPF/off_allNPF_BioOxCCS.nc, regional_accumulation_mode_BioOxCCS.nc,off_regNPF/off_allNPF_BioOxCCS.nc.

Vertical transport of aerosol particles is quantified with (Fig. 10 & 11): regional_nucleation_mode_off_regNPF/NPF_1-4km/4-7km/7-10km/10-13km/13-16km.nc, regional_aitken_mode_off_regNPF/NPF_1-4km/4-7km/7-10km/10-13km/13-16km.nc, regional_accumulation_mode_off_regNPF/NPF_1-4km/4-7km/7-10km/10-13km/13-16km.nc, regional_W_NPF_13-16km.nc

Vertical transport of passive tracers are plotted with (Fig. 12 & 13): regional_passive_tracer_0/2/4/6/8/10/12/14/16km_NPF_13-16km.nc

nuc_NPF_13-16km.mp4, ait_NPF_13-16km.mp4 and acc_NPF_13-16km.mp4 are the videos for nucleation mode, Aitken mode and accumulation mode respectively in NPF_13-16km simulation. They are used to illustrate the vertical motion of aerosol particles.

Files

acc_NPF_13-16km.mp4

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Additional details

Funding

European Commission
CLOUD-MOTION - CLOUD-MObility, Training and InnOvation Network 764991
UK Research and Innovation
The Aerosol-Cloud Uncertainty REduction project (A-CURE) NE/P013406/1