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Methane emission from bogs in the subtaiga of Western Siberia: The development of standard model |
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| Authors: | M V Glagolev A F Sabrekov I E Kleptsova I V Filippov E D Lapshina T Machida Sh Sh Maksyutov |
| Institution: | 1. Faculty of Soil Science, Lomonosov Moscow State University, Leninskie gory 1, Moscow, 119991, Russia 2. Yugorskii State University, ul. Chekhova 16, Khanty-Mansiisk, 628012, Russia 4. Tomsk State Pedagogical University, Komsomol??skii prosp. 75, Tomsk, 634041, Russia 5. Institute of Ecological Soil Science, Lomonosov Moscow State University, Leninskie gory 1, Moscow, 119991, Russia 3. National Institute for Environmental Studies, Nishi Odori str., Tsukuba, 305-8506, Japan |
| Abstract: | The methane emission from typical bog landscapes of the West Siberian subtaiga was studied in the summer-autumn of 2007?C2010. The lowest specific fluxes (the median value is 0.08 mg C-CH4/m2 per h) were recorded from ryams (raised bogs with dwarf shrub-sphagnum associations). From the ridges of the ridge-pool complexes, the fluxes were estimated at 0.49 mg C-CH4/m2 per h; from the oligotrophic hollows, eutrophic bogs, floating lake mats, and mesotrophic quaking bogs, they were estimated at 2.68, 3.36, 4.53, and 4.98 mg C-CH4/m2 per h, respectively. The maximal flux was determined from the lakes (the median is 17.98 mg C-CH4/m2 per h). The regional assessment of the methane flux from the bogs of Western Siberia (2.93 Tg C-CH4/yr) was obtained on the basis of the authors?? and literature data. |
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