Smog and Smoke Haze over the North China Plain in June 2007
- Autores: Gorchakov G.1, Karpov A.1, Gorchakova I.1, Gushchin R.1,2, Datsenko O.1,2
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Afiliações:
- Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences
- MIREA Russian Technological University
- Edição: Volume 32, Nº 6 (2019)
- Páginas: 643-649
- Seção: Atmospheric Radiation, Optical Weather, and Climate
- URL: https://journals.rcsi.science/1024-8560/article/view/188954
- DOI: https://doi.org/10.1134/S102485601906006X
- ID: 188954
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Resumo
According to satellite monitoring data (MODIS/Terra), the spatial distribution of the aerosol optical depth (AOD) at a wavelength of 550 nm for the summer smog of 2007 over the North China Plain (NCP) and adjacent areas has been obtained. Areas over which the AOD is higher due to regional anthropogenic contamination sources near Beijing and Shanghai, as well as the smoke haze forming due to agricultural burning (the southwest part of the NCP), have been revealed. The similarity of optical and microphysical characteristics of aerosol in the smoke haze over the NCP and in the Russian territory has been found: (i) the decisive contribution to the optical characteristics of smoke aerosol is made by the fine mode and (ii) the attenuation spectra in the wavelength region 340–1020 nm are approximated (in logarithmic coordinates) by parabolas or fourth degree polynomials. The monitoring data at the AERONET Beijing site show that the single scattering albedo in the summer smog over the NCP is on average less (0.91) than in the smoke haze in the Russian territory (0.95–0.96). The radiative regimes of the atmosphere are significantly different: in the smog, the aerosol radiative forcing efficiency is lower approximately by 30% at the top of the atmosphere and higher by 30% at the bottom of the atmosphere than in the smoke haze.
Sobre autores
G. Gorchakov
Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences
Autor responsável pela correspondência
Email: gengor@ifaran.ru
Rússia, Moscow, 119017
A. Karpov
Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences
Email: gengor@ifaran.ru
Rússia, Moscow, 119017
I. Gorchakova
Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences
Email: gengor@ifaran.ru
Rússia, Moscow, 119017
R. Gushchin
Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences; MIREA Russian Technological University
Email: gengor@ifaran.ru
Rússia, Moscow, 119017; Moscow, 119454
O. Datsenko
Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences; MIREA Russian Technological University
Email: gengor@ifaran.ru
Rússia, Moscow, 119017; Moscow, 119454