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The photolysis module JVAL-14, compatible with the MESSy standard, and the JVal PreProcessor (JVPP)

Sander, Rolf and Jöckel, Patrick and Kirner, Oliver and Kunert, A.T. and Landgraf, Jochen and Pozzer, Andrea (2014) The photolysis module JVAL-14, compatible with the MESSy standard, and the JVal PreProcessor (JVPP). Geoscientific Model Development, 7, pp. 2653-2662. Copernicus Publications. DOI: 10.5194/gmd-7-2653-2014 ISSN 1991-959X

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Official URL: http://www.geosci-model-dev.net/7/2653/2014/

Abstract

We present version 14 of the photolysis module JVAL. Taking atmospheric conditions as input, JVAL calculates photolysis rate coefficients, i.e. the speed of dissociation of atmospheric molecules in the sunlight. Computational efficiency is obtained through the use of parameters for polynomial curve fitting and lookup tables. Physical changes compared to the previous version include a parameterization of the Lyman-alpha absorption, and an update of the UV/VIS cross sections to the most recent recommended values. JVAL also includes the auxiliary program JVPP (JVal PreProcessor) which pre-calculates these parameters based on the absorption cross sections and quantum yields of the atmospheric molecules. It is possible to use JVAL either as a stand-alone program or as a module inside the Modular Earth Submodel System (MESSy). JVAL is a community model published under the GNU General Public License. We present version 14 of the photolysis module JVAL. Taking atmospheric conditions as input, JVAL calculates photolysis rate coefficients, i.e. the speed of dissociation of atmospheric molecules in the sunlight. Computational efficiency is obtained through the use of parameters for polynomial curve fitting and lookup tables. Physical changes compared to the previous version include a parameterization of the Lyman-alpha absorption, and an update of the UV/VIS cross sections to the most recent recommended values. JVAL also includes the auxiliary program JVPP (JVal PreProcessor) which pre-calculates these parameters based on the absorption cross sections and quantum yields of the atmospheric molecules. It is possible to use JVAL either as a stand-alone program or as a module inside the Modular Earth Submodel System (MESSy). JVAL is a community model published under the GNU General Public License.

Item URL in elib:https://elib.dlr.de/91964/
Document Type:Article
Title:The photolysis module JVAL-14, compatible with the MESSy standard, and the JVal PreProcessor (JVPP)
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Sander, RolfMax-Planck-Institute of Chemistry, Mainz GermanyUNSPECIFIED
Jöckel, PatrickDLR, IPAUNSPECIFIED
Kirner, OliverKIT, Karlsruhe, GermanyUNSPECIFIED
Kunert, A.T.Max-Planck-Institute of Chemistry, Mainz GermanyUNSPECIFIED
Landgraf, JochenSRON, Utrecht, NLUNSPECIFIED
Pozzer, AndreaMax-Planck-Institute of Chemistry, Mainz GermanyUNSPECIFIED
Date:13 November 2014
Journal or Publication Title:Geoscientific Model Development
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:7
DOI :10.5194/gmd-7-2653-2014
Page Range:pp. 2653-2662
Editors:
EditorsEmail
Stenke, AndreaUNSPECIFIED
Publisher:Copernicus Publications
ISSN:1991-959X
Status:Published
Keywords:JVAL, Photolysis, Model
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 Atmosphären- und Klimaforschung
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Earth System Modelling
Deposited By: Jöckel, Dr. Patrick
Deposited On:19 Nov 2014 11:12
Last Modified:02 May 2019 14:14

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