EURODELTA is initiated by the Task Force on Measurements and Monitoring
(UNECE_TFMM)
and the Task Force on Integrated Assessment Modelling (UNECE_TFIAM)
and coordinated jointly by IIASA,
EMEP,
CONCAWE and JRC-IES.
It includes the participation of 6 models (EMEP,
REM (D), LOTOS (NL), CHIMERE
(F), MATCH (S) and TM5 (JRC)).
To benefit from synergies between CityDelta
and this activity, the comparison focuses on gas and aerosol phase coumpounds
concentrations in 1999 for different emission scenarios.
The purpose of the regional model inter-comparison is twofold:
-
It will evaluate the performance of different regional models against an
identified set of observations and quantify their performance in terms
of agreed quality criteria.
-
It will gain insight into the ability of regional atmospheric dispersion
models to reproduce chemical nonlinearities in response to emission changes.
The response to emission changes (the s/r relationships) is an important
output from the chemical transport models used integrated assessment modelling
for policy applications.
The results from the regional model inter-comparison study will allow to:
-
Establish the performance of the UNIFIED EMEP model with respect to other
state-of art regional scale models and objective criteria
-
Determine the ranges of confidence of modelled responses to emission changes
in regional scale.
The model inter-comparison will be carried out among models operating with
long-term chemical transport simulations in regional scale (with a horizontal
scale of ~50x50 km2).
The results of this exercise will provide input to the review of the
RAINS model, carried out in the frame of the CAFE
programme.
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