Simulation of Cloud-aerosol Lidar with Orthogonal Polarization (CALIOP) Attenuated Backscatter Profiles Using the Global Model of Aerosol Processes (GLOMAP)

To permit the calculation of the radiative effects of atmospheric aerosols, we have linked our aerosol-chemical transport model (CTMGLOMAP) to a new radiation module (UKCARADAER). In order to help assess and improve the accuracy of the radiation code, in particular the height dependence of the predi...

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Main Authors: Young Stuart, Cope Martin, Lee Sunhee, Emmerson Kathryn, Woodhouse Matthew, Bellouin Nicolas
Format: Article
Language:English
Published: EDP Sciences 2016-01-01
Series:EPJ Web of Conferences
Online Access:http://dx.doi.org/10.1051/epjconf/201611901005
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author Young Stuart
Cope Martin
Lee Sunhee
Emmerson Kathryn
Woodhouse Matthew
Bellouin Nicolas
author_facet Young Stuart
Cope Martin
Lee Sunhee
Emmerson Kathryn
Woodhouse Matthew
Bellouin Nicolas
author_sort Young Stuart
collection DOAJ
description To permit the calculation of the radiative effects of atmospheric aerosols, we have linked our aerosol-chemical transport model (CTMGLOMAP) to a new radiation module (UKCARADAER). In order to help assess and improve the accuracy of the radiation code, in particular the height dependence of the predicted scattering, we have developed a module that simulates attenuated backscatter (ABS) profiles that would be measured by the satellite-borne Cloud-Aerosol Lidar with Orthogonal Polarization (CALIOP) if it were to sample an atmosphere with the same aerosol loading as predicted by the CTM. Initial results of our comparisons of the predicted ABS profiles with actual CALIOP data are encouraging but some differences are noted, particularly in marine boundary layers where the scattering is currently under-predicted and in dust layers where it is often over-predicted. The sources of these differences are being investigated.
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spelling doaj.art-9d9fe7344c0d462fb71a35a6e556c2a12022-12-21T22:08:12ZengEDP SciencesEPJ Web of Conferences2100-014X2016-01-011190100510.1051/epjconf/201611901005epjconf_ilrc2016_01005Simulation of Cloud-aerosol Lidar with Orthogonal Polarization (CALIOP) Attenuated Backscatter Profiles Using the Global Model of Aerosol Processes (GLOMAP)Young Stuart0Cope Martin1Lee Sunhee2Emmerson Kathryn3Woodhouse Matthew4Bellouin Nicolas5CSIRO Oceans & AtmosphereCSIRO Oceans & AtmosphereCSIRO Oceans & AtmosphereCSIRO Oceans & AtmosphereCSIRO Oceans & AtmosphereDepartment of Meteorology, University of ReadingTo permit the calculation of the radiative effects of atmospheric aerosols, we have linked our aerosol-chemical transport model (CTMGLOMAP) to a new radiation module (UKCARADAER). In order to help assess and improve the accuracy of the radiation code, in particular the height dependence of the predicted scattering, we have developed a module that simulates attenuated backscatter (ABS) profiles that would be measured by the satellite-borne Cloud-Aerosol Lidar with Orthogonal Polarization (CALIOP) if it were to sample an atmosphere with the same aerosol loading as predicted by the CTM. Initial results of our comparisons of the predicted ABS profiles with actual CALIOP data are encouraging but some differences are noted, particularly in marine boundary layers where the scattering is currently under-predicted and in dust layers where it is often over-predicted. The sources of these differences are being investigated.http://dx.doi.org/10.1051/epjconf/201611901005
spellingShingle Young Stuart
Cope Martin
Lee Sunhee
Emmerson Kathryn
Woodhouse Matthew
Bellouin Nicolas
Simulation of Cloud-aerosol Lidar with Orthogonal Polarization (CALIOP) Attenuated Backscatter Profiles Using the Global Model of Aerosol Processes (GLOMAP)
EPJ Web of Conferences
title Simulation of Cloud-aerosol Lidar with Orthogonal Polarization (CALIOP) Attenuated Backscatter Profiles Using the Global Model of Aerosol Processes (GLOMAP)
title_full Simulation of Cloud-aerosol Lidar with Orthogonal Polarization (CALIOP) Attenuated Backscatter Profiles Using the Global Model of Aerosol Processes (GLOMAP)
title_fullStr Simulation of Cloud-aerosol Lidar with Orthogonal Polarization (CALIOP) Attenuated Backscatter Profiles Using the Global Model of Aerosol Processes (GLOMAP)
title_full_unstemmed Simulation of Cloud-aerosol Lidar with Orthogonal Polarization (CALIOP) Attenuated Backscatter Profiles Using the Global Model of Aerosol Processes (GLOMAP)
title_short Simulation of Cloud-aerosol Lidar with Orthogonal Polarization (CALIOP) Attenuated Backscatter Profiles Using the Global Model of Aerosol Processes (GLOMAP)
title_sort simulation of cloud aerosol lidar with orthogonal polarization caliop attenuated backscatter profiles using the global model of aerosol processes glomap
url http://dx.doi.org/10.1051/epjconf/201611901005
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