Zobrazeno 1 - 10
of 452
pro vyhledávání: '"A. Cholakian"'
Publikováno v:
Geoscientific Model Development, Vol 17, Pp 5641-5655 (2024)
We propose two explicit expressions to calculate the settling speed of solid atmospheric particles with prolate spheroidal shapes under the hypothesis of horizontal and vertical orientation. The first formulation is based on theoretical arguments onl
Externí odkaz:
https://doaj.org/article/996f9cd106a1450e9afde789b7823e32
Publikováno v:
Geoscientific Model Development, Vol 17, Pp 5431-5457 (2024)
A new version of the CHIMERE model is presented. This version contains both computational and physico-chemical changes. The computational changes make it easy to choose the variables to be extracted as a result, including values of maximum sub-hourly
Externí odkaz:
https://doaj.org/article/5a77636463834b5384b08f28f797c405
Publikováno v:
Geoscientific Model Development, Vol 17, Pp 3645-3665 (2024)
Meteorological and chemical modelling at the regional scale often involve the nudging of the modelled meteorology towards reanalysis fields and meteo-chemical coupling to properly consider the interactions between aerosols, clouds and radiation. Both
Externí odkaz:
https://doaj.org/article/19c50df733da47278c29d4d578f30398
Publikováno v:
Geoscientific Model Development, Vol 17, Pp 545-565 (2024)
We present an evaluation of the regional chemical transport model (CTM) WRF-CHIMERE (v2020r2) for the formation of biogenic secondary organic aerosol (BSOA) with a focus over the Finnish boreal forest. Formation processes of biogenic aerosols are sti
Externí odkaz:
https://doaj.org/article/980b552c3d9946d19fc6860eb2ccfbc5
Publikováno v:
Geoscientific Model Development, Vol 16, Pp 7509-7526 (2023)
This study presents a novel method to estimate the performance of advection schemes in numerical experiments along with a semi-realistic, non-linear, stiff chemical system. This method is based on the examination of the “signature function”, an i
Externí odkaz:
https://doaj.org/article/5c3a23ffb69f4e8b983b00e8cd80ff40
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 7281-7296 (2023)
The atypical huge forest fires observed in France during the summer of 2022 are modeled using the CHIMERE model. The impact of these emissions is quantified on ozone, aerosols and aerosol optical depth (AOD). The fires also influence the surface by d
Externí odkaz:
https://doaj.org/article/78f15d50eb4e4185a9f60a13991fb319
Autor:
A. Cholakian, M. Beekmann, G. Siour, I. Coll, M. Cirtog, E. Ormeño, P.-M. Flaud, E. Perraudin, E. Villenave
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 3679-3706 (2023)
Organic aerosol (OA) still remains one of the most difficult components of the atmospheric aerosols to simulate, given the multitude of its precursors, the uncertainty in its formation pathways, and the lack of measurements of its detailed compositio
Externí odkaz:
https://doaj.org/article/0118eed648cf4c829108ed3ef482faf8
Publikováno v:
Geoscientific Model Development, Vol 16, Pp 1119-1127 (2023)
This study introduces AerSett v1.0 (AERosol SETTling version 1.0), a model giving the settling speed of big spherical aerosols in the atmosphere without going through an iterative equation resolution. We prove that, for all spherical atmospheric aero
Externí odkaz:
https://doaj.org/article/d9f587fd89604aa3a7c9be7a0ff26794
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 1043-1071 (2023)
At high concentrations, tropospheric ozone (O3) deteriorates air quality, inducing adverse effects on human and ecosystem health. Meteorological conditions are key to understanding the variability in O3 concentration, especially during extreme weathe
Externí odkaz:
https://doaj.org/article/ea9008247ab8412b856bcd45c3222ccb
Autor:
M. Lachatre, S. Mailler, L. Menut, A. Cholakian, P. Sellitto, G. Siour, H. Guermazi, G. Salerno, S. Giammanco
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 13861-13879 (2022)
Volcanic activity is an important source of atmospheric sulfur dioxide (SO2), which, after conversion into sulfuric acid, induces impacts on rain acidity, human health, meteorology and the radiative balance of the atmosphere, among others. This work
Externí odkaz:
https://doaj.org/article/e89b6ae97ade492fb1a2602e9d4cee27