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The Aerosol Model OPAC - Contents and New Software

Hess, Michael and Koepke, Peter and Schreier, Franz and Trautmann, Thomas (2014) The Aerosol Model OPAC - Contents and New Software. GEISA Workshop: Towards a new vision of spectroscopic databases, 3 - 4 June 2014, Paris, FRANCE.

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Abstract

OPAC (Optical Properties of Aerosols and Clouds) was published in 1998 as an aerosol and cloud model, consisting of a microphysical description of aerosol, as a combination of variable components, and clouds with different types. All relating optical properties, valid for 8 values of relative humidity, can be extracted from a database of Mie calculations covering the wavelength range from 0.2 to 40 micrometers. The extraction software is part of the package. OPAC has meanwhile been downloaded, and probably used, by several hundred researchers all over the world. Since 1998, new possibilities have been developed to describe the microphysical properties of particles and their corresponding radiative properties. Therefore, we intend to improve OPAC by introducing, for instance, nonspherical particles, an improved description of humidity effects, and additional aerosol components which may be missing. As a starting point for these improvements, the original OPAC Fortran77 software has been rewritten completely as an object oriented Python program. We will present the current status and planned future additions, as a basis for discussions about possible needs of the OPAC users.

Item URL in elib:https://elib.dlr.de/112522/
Document Type:Conference or Workshop Item (Poster)
Title:The Aerosol Model OPAC - Contents and New Software
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Hess, Michaelmichael.hess (at) dlr.deUNSPECIFIED
Koepke, PeterMeteorologisches Institut, Ludwig-Maximilians-UniversitätUNSPECIFIED
Schreier, FranzFranz.Schreier (at) dlr.dehttps://orcid.org/0000-0001-7196-6599
Trautmann, Thomasthomas.trautmann (at) dlr.deUNSPECIFIED
Date:June 2014
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Clouds Aerosols Optical Properties
Event Title:GEISA Workshop: Towards a new vision of spectroscopic databases
Event Location:Paris, FRANCE
Event Type:international Conference
Event Dates:3 - 4 June 2014
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Spektrometrische Verfahren und Konzepte der Fernerkundung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Atmospheric Processors
Deposited By: Schreier, Dr.rer.nat. Franz
Deposited On:30 May 2017 16:03
Last Modified:31 Jul 2019 20:09

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