LMDZOR-INCA global model simulations diagnostics for mineral dust direct radiative effet calculations
- 1. LISA/CNRS
- 2. LSCE/CEA
- 3. Univ. Milano Bicocca
- 4. LMD/CNRS
Description
This dataset contains the diagnostic variable used to estimate the mineral dust aerosol direct radiative effect from LMDZOR-INCA global simulations using different refractive index data and different size modes and a multimodal size distribution.
The NetCDF files provide the radiation fields shortwave all sky (solswad, topswad) and clear sky (solswad0, topswad0) (sol is for the surface and top for the top of the atmosphere) and the longwave all sky (sollwad, toplwad) and clear sky (sollwad0, toplwad0), as monthly means over global grids.
Data are provided for the mean, minimum and maximum of the complex refractive index from Di Biagio et al. (2017) ( https://doi.org/10.5194/acp-17-1901-2017 ) and the refractive index by Volz et al. (1973) ( https://doi.org/10.1364/AO.12.000564 ) in the longwave spectral range and for the refractive index by Balkanski et al. (2007) ( https://doi.org/10.5194/acp-7-81-2007) corresponding to 1.5% hematite by volume in the shortwave range.
Simulations are performed for four lognormal size distributions with mass median diameters (sigma) of 1 µm (1.8), 2.5 µm (2), 7 µm (1.9), 22 µm (2). The multimodal run is performed on the size distribution obtained as the sum of the four modes combined follwing the mass fractions of 0.6%, 4.3%, 31.5%, and 63.6% for the four modes, respectively.
Variables for the dust atmospheric load and optical depth at 550 nm for each mode are in the mean run for each mode.
Input mass extinction efficiency (Ext, m2/g), absorption exitinction efficiency (Abs, m2/g), single scattering albedo (w) and asymmetry factor (g) for the different radiative bands at at some wavelengths used in the MODIS sensor are provided in the 1MODE_xxum_dust_optical_data_1.5dielectric_mixture.
Files
1MODE_1um_dust_optical_data_1.5dielectric_mixture.txt
Files
(3.5 GB)
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Additional details
Funding
- EUROCHAMP-2020 – Integration of European Simulation Chambers for Investigating Atmospheric Processes – Towards 2020 and beyond 730997
- European Commission
- CRESCENDO – Coordinated Research in Earth Systems and Climate: Experiments, kNowledge, Dissemination and Outreach 641816
- European Commission
- DUSC3 – DUSt, Climate and Carbone Cycle 708119
- European Commission