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Revision of the convective transport module CVTRANS 2.4 in the EMAC atmospheric chemistry–climate model
EMAC atmospheric chemistry–climate model convective transport
2015/8/11
The convective transport module, CVTRANS,
of the ECHAM/MESSy Atmospheric Chemistry (EMAC)
model has been revised to better represent the physical flows
and incorporate recent findings o...
Sensitivity of aerosol radiative effects to different mixing assumptions in the AEROPT 1.0 submodel of the EMAC atmospheric-chemistry–climate model
aerosol radiative effects different mixing assumptions
2014/12/19
The modelling of aerosol radiative forcing is a major cause of uncertainty in the assessment of global and regional atmospheric energy budgets and climate change.
The implementation of the CLaMS Lagrangian transport core into the chemistry climate model EMAC 2.40.1: application on age of air and transport of long-lived trace species
chemistry climate model long-lived
2014/12/19
Lagrangian transport schemes have proven to be useful tools for modelling stratospheric trace gas transport since they are less diffusive than classical Eulerian schemes and therefore especially well ...
Implementation of the Fast-JX Photolysis scheme (v6.4) into the UKCA component of the MetUM chemistry-climate model (v7.3)
the Fast-JX Photolysis scheme UKCA component MetUM chemistry-climate model
2014/12/17
Atmospheric chemistry is driven by photolytic reactions, making their modelling a crucial component of atmospheric models. We describe the implementation and validation of Fast-JX, a state of the art ...
The SOCOL version 3.0 chemistry–climate model: description, evaluation, and implications from an advanced transport algorithm
The SOCIAL version 3.0 chemistry–climate model description evaluation implications advanced transport algorithm
2014/12/12
We present the third generation of the coupled chemistry–climate model (CCM) SOCOL (modeling tools for studies of SOlar Climate Ozone Links). The most notable modifications compared to the previous mo...
A community diagnostic tool for chemistry climate model validation
Chemical climate Model validation diagnosis Model evaluation tools The open source package Simulation model Coupling chemistry climate models
2014/12/10
This technical note presents an overview of the Chemistry-Climate Model Validation Diagnostic (CCMVal-Diag) tool for model evaluation. The CCMVal-Diag tool is a flexible and extensible open source pac...
Simulation of polar stratospheric clouds in the chemistry-climate-model EMAC via the submodel PSC
polar stratospheric clouds chemistry-climate-model IMAC submodel PSC
2014/12/9
The submodel PSC of the ECHAM5/MESSy Atmospheric Chemistry model (EMAC) has been developed to simulate the main types of polar stratospheric clouds (PSC). The parameterisation of the supercooled terna...
A new version of the CNRM Chemistry-Climate Model, CNRM-CCM: description and improvements from the CCMVal-2 simulations
CNRM Chemistry-Climate Model CNRM-CCM
2014/12/9
This paper presents a new version of the Met′ eoFrance CNRM Chemistry-Climate Model, so-called CNRMCCM.
Towards an online-coupled chemistry-climate model: evaluation of trace gases and aerosols in COSMO-ART
online-coupled chemistry-climate model COSMO-ART
2014/12/9
The online-coupled, regional chemistry transport
model COSMO is evaluated for periods in all seasons
against several measurement datasets to assess its ability to
represent gaseous pollutants and a...
Quantitative assessment of Southern Hemisphere ozone in chemistry-climate model simulations
Quantitative assessment Southern Hemisphere ozone chemistry-climate model
2010/2/21
Stratospheric ozone recovery in the Southern Hemisphere is expected to drive pronounced trends in atmospheric temperature and circulation from the stratosphere to the troposphere in the 21st century; ...
Implications of Lagrangian transport for simulations with a coupled chemistry-climate model
Lagrangian transport simulations coupled chemistry-climate model
2009/8/7
For the first time a purely Lagrangian transport algorithm is applied in a fully coupled chemistry-climate model (CCM). We use the numerically non-diffusive Lagrangian scheme ATTILA instead of the ope...
The effect of the solar rotational irradiance variation on the middle and upper atmosphere calculated by a three-dimensional chemistry-climate model
solar rotational irradiance variation atmosphere three-dimensional chemistry-climate model
2009/3/12
This paper analyzes the effects of the solar rotational (27-day) irradiance variations on the chemical composition and temperature of the stratosphere, mesosphere and lower thermosphere as simulated b...
Impact of large solar zenith angles on lower stratospheric dynamical and chemical processes in a coupled chemistry-climate model
large solar zenith angles lower stratospheric dynamical chemical processes coupled chemistry-climate model
2009/3/11
Actinic fluxes at large solar zenith angles (SZAs) are important for atmospheric chemistry, especially under twilight conditions in polar winter and spring. The results of a sensitivity experiment emp...
Past and future simulations of NO2 from a coupled chemistry-climate model in comparison with observations
NO2 coupled chemistry-climate model
2009/3/9
Trends in derived from a 45 year integration of a chemistry-climate model (CCM) run have been compared with ground-based measurements at Lauder (45° S) and Arrival Heights (78° S). Observed trends in ...
Technical Note: A diagnostic for ozone contributions of various NOx emissions in multi-decadal chemistry-climate model simulations
ozone contributions various NOx emissions multi-decadal chemistry-climate model
2009/2/26
Nitrogen oxide (NOx=NO+NO2) emissions from various sources contribute to the ozone budget. The identification of these contributions is important, e.g. for the assessment of emissions from traffic. Th...