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The model study of the wildfire impact on the spatial distribution of deposition of sulfur and nitrogen compounds in Siberia |
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| Authors: | E V Berezin I B Konovalov S A Gromov M Beekmann E -D Schulze |
| Institution: | 1. Institute of Applied Physics, Russian Academy of Sciences, GSP-120, ul. Ul’yanova 46, Nizhny Novgorod, 603950, Russia 2. Institute of Global Climate and Ecology of Roshydromet and Russian Academy of Sciences, ul. Glebovskaya 20b, Moscow, 107258, Russia 3. Laboratoire Interuniversitaire des Systèmes Atmosphériques, 61 avenue du Général de Gaulle, Créteil Cédex, 94010, France 4. Max Planck Institute of Biochemistry, Am Klopferspitz 18, Martinsried, D-82152, Germany |
| Abstract: | Presented are the results of the model study of wildfire impact on the spatial distribution of deposition fields of sulfur and nitrogen compounds in the regions of Siberia and the Russian Far East. The CHIMERE chemistry transport model was used for computing the deposition fields taking account of pyrogenic emissions specified using satellite measurements of intensity of wildfire heat radiation. Carried out is the model validation using the data of ground-based measurements of nitrate and sulfate concentrations in precipitation at the Russian EANET stations as well as the data of satellite measurements of carbon dioxide content in the troposphere and aerosol optical depth carried out by IASI and MODIS instruments, respectively. It is demonstrated that wildfires considerably influence deposition of sulfur and nitrogen compounds and redistribution of nitrogen compounds assimilated by plants within the regions under consideration. |
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