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ESTIMATION OF SATELLITE-BASED SO42− AND NH4+ COMPOSITION OF AMBIENT FINE PARTICULATE MATTER OVER CHINA USING CHEMICAL TRANSPORT MODEL
PM2.5 chemical components sulfate ammonium satellite-estimated chemical transport model
2018/5/15
Epidemiologic and health impact studies have examined the chemical composition of ambient PM2.5 in China but have been constrained by the paucity of long-term ground measurements. Using the GEOS-Chem ...
Modelling of primary aerosols in the chemical transport model MOCAGE: development and evaluation of aerosol physical parameterizations
primary aerosols MOCAGE
2015/3/5
This paper deals with recent improvements to the
global chemical transport model of Météo-France MOCAGE
(Modèle de Chimie Atmosphérique à Grande Echelle) that
consists of updates to different aeros...
Development of a variational flux inversion system (INVICAT v1.0) using the TOMCAT chemical transport model
variational fl ux inversion system TOMCAT chemical transport model
2014/12/19
We present a new variational inverse transport
model, named INVICAT (v1.0), which is based on the global
chemical transport model TOMCAT, and a new corresponding adjoint transport model, ATOMCAT. Th...
Regional scale ozone data assimilation using an ensemble Kalman filter and the CHIMERE chemical transport model
Regional scale ozone data ensemble Kalman fi lter
2014/12/18
An ensemble Kalman filter (EnKF) has been coupled to the CHIMERE chemical transport model in order to
assimilate ozone ground-based measurements on a regional
scale. The number of ensembles is...
Improving the representation of secondary organic aerosol (SOA) in the MOZART-4 global chemical transport model
secondary organic aerosol MOZART-4
2014/12/12
The secondary organic aerosol (SOA) module
in the Model for Ozone and Related Chemical Tracers,
version 4 (MOZART-4) was updated by replacing existing two-product (2p) parameters with those obtained...
We present here the global chemical transport model Oslo CTM3, an update of the Oslo CTM2. The update comprises a faster transport scheme, an improved wet scavenging scheme for large scale rain, updat...
Observation operator for the assimilation of aerosol type resolving satellite measurements into a chemical transport model
aerosol type satellite measurements a chemical transport model
2010/11/29
Modelling of aerosol particles with chemical transport models is still based mainly on static emission databases while episodic emissions cannot be treated sufficiently. To overcome this situation, a ...
A general parallelization approach to improve computation efficiency in a global chemical transport model (GEOS-Chem)
MPI OpenMP parallelization GEOS-Chem modeling performance
2017/8/9
Despite increasing processing power of systems, sequential programs have limitations to achieve corresponding performance gains. Parallelization of sequential programs can exploit the computation pote...
Estimated total emissions of trace gases from the Canberra Wildfires of 2003: a new method using satellite measurements of aerosol optical depth & the MOZART chemical transport model
the Canberra Wildfires of 2003 aerosol optical depth the MOZART chemical transport model
2010/8/13
In this paper we describe a new method for estimating trace gas emissions from large vegetation fires using satellite measurements of aerosol optical depth (AOD) at 550 nm, combined with an atmospheri...
Modelling the optical and radiative properties of freshly emitted light absorbing carbon within an atmospheric chemical transport model
freshly emitted light carbon atmospheric chemical transport model
2010/2/21
Light absorbing carbon (LAC) aerosols have a complex, fractal-like aggregate structure. Their optical and radiative properties are notoriously difficult to model, and approximate methods may introduce...
Implementation and evaluation of an array of chemical solvers in the Global Chemical Transport Model GEOS-Chem
Implementation evaluation array chemical solvers Global Chemical Transport Model GEOS-Chem
2010/2/5
This paper discusses the implementation and performance of an array of gas-phase chemistry solvers for the state-of-the-science GEOS-Chem global chemical transport model. The implementation is based o...
A global stratospheric bromine monoxide climatology based on the BASCOE chemical transport model
global stratospheric bromine monoxide climatology BASCOE chemical transport model
2009/3/13
A new climatology of stratospheric BrO profiles based on a parameterization using dynamical and chemical indicators has been developed, with the aim to apply it to the retrieval of tropospheric BrO co...
Impact of different emission inventories on simulated tropospheric ozone over China: a regional chemical transport model evaluation
different emission inventories simulated tropospheric ozone China regional chemical transport model
2009/2/27
The importance of emission inventory uncertainty on the simulation of summertime tropospheric ozone over China has been analyzed using a regional chemical transport model. Three independent emissions ...
2002-2003 Arctic ozone loss deduced from POAM III satellite observations and the SLIMCAT chemical transport model
Arctic ozone loss POAM III satellite observations SLIMCAT chemical transport model
2009/2/7
The SLIMCAT three-dimensional chemical transport model (CTM) is used to infer chemical ozone loss from Polar Ozone and Aerosol Measurement (POAM) III observations of stratospheric ozone during the Arc...
Secondary organic aerosol in the global aerosol – chemical transport model Oslo CTM2
Secondary organic aerosol the global aerosol Oslo CTM2
2008/12/24
The global chemical transport model Oslo CTM2 has been extended to include the formation, transport and deposition of secondary organic aerosol (SOA). Precursor hydrocarbons which are oxidised to form...