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- W3107537551 abstract "Investigations of wetlands are important for understanding the climate processes because wetlands are the source of methane and the tank of CO2. However, high fine-scale heterogeneity of wetlands complicates estimating carbon balance using point observations. To estimate methane emission, we mapped wetlands and water body areas in taiga of Western Siberia using supervised classification of Landsat images. For these purposes, we used our own dataset of field observation on 28 test sites as well as the high-resolution images. A wetland classification scheme included 6 main wetland types that are widely spread in taiga zone. Overall accuracy of 79% was calculated using 1082 polygons of 10 × 10 pixel size. Wetland area was estimated at 54.6 Mha or 11% of the global wetland areas. The average area of wetlands reached 29% of the zone area. Patterned bogs dominated in taiga (31% of the wetland area) followed by patterned bogs with lakes (18%) and forested bogs (18%). Fens (16%), water bodies (11%) and palsa complexes covers the rest of the area. We expect considerable growth of the regional methane flux as a result of significant changes of wetland areas comparing to the previous estimates. New map might be useful for model and global wetland dataset validation." @default.
- W3107537551 created "2020-12-07" @default.
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- W3107537551 date "2020-01-01" @default.
- W3107537551 modified "2023-10-16" @default.
- W3107537551 title "Картографирование таежных болот Западной Сибири на основе дистанционной информации" @default.
- W3107537551 doi "https://doi.org/10.31857/s2587556620060102" @default.
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