Improved Lorenz-Mie Look-Up Table for Lidar ...
Type de document :
Article dans une revue scientifique: Article original
URL permanente :
Titre :
Improved Lorenz-Mie Look-Up Table for Lidar and Polarimeter Retrievals
Auteur(s) :
Chemyakin, Eduard [Auteur]
NASA Langley Research Center [Hampton] [LaRC]
Stamnes, Snorre [Auteur]
NASA Langley Research Center [Hampton] [LaRC]
Burton, Sharon P [Auteur]
NASA Langley Research Center [Hampton] [LaRC]
Liu, Xu [Auteur]
NASA Langley Research Center [Hampton] [LaRC]
Hostetler, Chris [Auteur]
NASA Langley Research Center [Hampton] [LaRC]
Ferrare, Richard [Auteur]
NASA Langley Research Center [Hampton] [LaRC]
Cairns, Brian [Auteur]
NASA Goddard Institute for Space Studies [GISS]
Doubovik, Oleg [Auteur]
Laboratoire d'Optique Atmosphérique (LOA) - UMR 8518
NASA Langley Research Center [Hampton] [LaRC]
Stamnes, Snorre [Auteur]
NASA Langley Research Center [Hampton] [LaRC]
Burton, Sharon P [Auteur]
NASA Langley Research Center [Hampton] [LaRC]
Liu, Xu [Auteur]
NASA Langley Research Center [Hampton] [LaRC]
Hostetler, Chris [Auteur]
NASA Langley Research Center [Hampton] [LaRC]
Ferrare, Richard [Auteur]
NASA Langley Research Center [Hampton] [LaRC]
Cairns, Brian [Auteur]
NASA Goddard Institute for Space Studies [GISS]
Doubovik, Oleg [Auteur]
Laboratoire d'Optique Atmosphérique (LOA) - UMR 8518
Titre de la revue :
Front. Remote Sens.
Nom court de la revue :
Front. Remote Sens.
Numéro :
2
Pagination :
-
Date de publication :
2023-09-25
ISSN :
2673-6187
Mot(s)-clé(s) en anglais :
lidar
polarimeter
Lorenz-Mie theory
scattering matrix and optical coefficients
look-up table
scale invariance rule
polarimeter
Lorenz-Mie theory
scattering matrix and optical coefficients
look-up table
scale invariance rule
Discipline(s) HAL :
Planète et Univers [physics]/Océan, Atmosphère
Résumé en anglais : [en]
Lidar and polarimeter aerosol microphysical retrievals require calculating single-scattering properties that are computationally expensive. One of the easiest ways to speed up these calculations is to use a look-up table. ...
Lire la suite >Lidar and polarimeter aerosol microphysical retrievals require calculating single-scattering properties that are computationally expensive. One of the easiest ways to speed up these calculations is to use a look-up table. Two important currently available look-up tables were created about 15 years ago. Advancements in modern computational hardware allows us to create a new look-up table with improved precision over a larger range of aerosol properties. In this new and improved Lorenz-Mie look-up table we tabulate the light scattering by an ensemble of homogeneous isotropic spheres at arbitrary wavelengths starting from 0.355 μm. The improved look-up table covers spherical atmospheric aerosols with radii in the range of 0.001-100 μm, with real parts of the complex refractive index in the range of 1.29-1.65, and with imaginary parts of the complex refractive index in the range of 0-0.05. We test twelve wavelengths from 0.355 to 2.264 μm and find that the elements of the normalized scattering matrix as well as the asymmetry parameter, the aerosol absorption, backscatter, extinction, and scattering coefficients are precise to within 1% for 99.99% of cases. The look-up table together with C++, Fortran, Matlab, and Python codes are freely available online.Lire moins >
Lire la suite >Lidar and polarimeter aerosol microphysical retrievals require calculating single-scattering properties that are computationally expensive. One of the easiest ways to speed up these calculations is to use a look-up table. Two important currently available look-up tables were created about 15 years ago. Advancements in modern computational hardware allows us to create a new look-up table with improved precision over a larger range of aerosol properties. In this new and improved Lorenz-Mie look-up table we tabulate the light scattering by an ensemble of homogeneous isotropic spheres at arbitrary wavelengths starting from 0.355 μm. The improved look-up table covers spherical atmospheric aerosols with radii in the range of 0.001-100 μm, with real parts of the complex refractive index in the range of 1.29-1.65, and with imaginary parts of the complex refractive index in the range of 0-0.05. We test twelve wavelengths from 0.355 to 2.264 μm and find that the elements of the normalized scattering matrix as well as the asymmetry parameter, the aerosol absorption, backscatter, extinction, and scattering coefficients are precise to within 1% for 99.99% of cases. The look-up table together with C++, Fortran, Matlab, and Python codes are freely available online.Lire moins >
Langue :
Anglais
Audience :
Internationale
Vulgarisation :
Non
Établissement(s) :
Université de Lille
CNRS
CNRS
Collections :
Équipe(s) de recherche :
Interactions Rayonnement Nuages (IRN)
Date de dépôt :
2024-05-06T22:17:40Z
2024-05-29T08:29:20Z
2024-05-29T08:29:20Z
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