[M-IS01] ENVIRONMENTAL, SOCIO-ECONOMIC, AND CLIMATIC CHANGES IN NORTHERN EURASIA

[MIS01-21] Modeling of the heat balance components and methane fluxes from the surface of wetlends in the southern part of Western Siberia.

*Vasiliy Yurievich Bogomolov^1,2,3, Anna Alexandrovna Ryzanova¹, Egor Anatolievich Dyukorev ¹, Victor Mihaclovich Stepanenko², Artur Ildarovich Abazov³ (1.Institute of Monitoring of Climatic and Ecological Systems of the Siberian Branch of the Russian Academy of Sciences, 2.Research Computing Center, Lomonosov Moscow State University, 3.Faculty of Geology and Geography, Tomsk State University)

Keywords:modeling, wetlands

Using the TerM land active layer model, numerical experiments were performed for the territory of the South of Western Siberia using surface data and soil characteristics including wetlands. Necessary parameterizations of methane emission and groundwater level were inserted into the TerM model. At the same time, the data on the surface distribution of wetlands were harmonized with the soil database used in the experiments. It was shown that methane fluxes are significant from wetlands but depend on the subgrid surface heterogeneity of each wetlands. The heat balance components are significantly different from those for other landuse types