vSmartMOM Module Overview

The vSmartMOM module allows end-to-end simulation of radiative transfer (RT) throughout Earth's atmosphere as well as atmospheres of stars and substellar objects like brown dwarfs and exoplanets. Specifically, the module:

• Enables 1D vectorized plane-parallel RT modeling based on the Matrix Operator Method, also known as Discrete Space Theory (please see the references for source papers).
• Incorporates fast, high-fidelity simulations of scattering atmospheres containing haze and clouds, including pressure- and temperature-resolved absorption profiles of gaseous species in the atmosphere
• Enables GPU-accelerated computations of the resulting hyperspectral reflectances/transmittances
• Enables auto-differentiation of the output spectrum with respect to various input parameters

You can perform an RT simulation in a few short steps:

1. Use parameters_from_yaml or default_parameters to load a set of RT input parameters. You can modify any parameter in the returning CoreRT.vSmartMOM_Parameters struct (it is mutable). Please see the parameters guide for more information on what each field specifies.
2. Use model_from_parameters to calculate derived fields (ex. aerosol optical parameters, quadrature points, etc.). Again, any parameter in the output CoreRT.vSmartMOM_Model can be modified after the struct is created.
3. Use rt_run to perform the radiative transfer calculation using the defined model settings.

For a full demo of how to use this module, please see the example page.

Architecture