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Estimating Long-Term Average Carbon Emissions from Fires in Non-Forest Ecosystems in the Temperate Belt

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Title Estimating Long-Term Average Carbon Emissions from Fires in Non-Forest Ecosystems in the Temperate Belt
 
Creator Ostroukhov, A.
Klimina, E.
Kuptsova, V.
Naito, D.
 
Subject remote sensing
forest ecosystems
forest fire
emissions
 
Description Research into pyrogenic carbon emissions in the temperate belt of the Russian Federation has traditionally focused on the impact of forest fires. Nevertheless, ecosystems in which wildfires also make a significant contribution to anthropogenic CO2 emissions are poorly studied. We evaluated the carbon emissions of fires in the non-forest ecosystems of the Middle Amur Lowland, in the Khabarovsk Territory of the Russian Federation. Our study is based on long-term Earth remote sensing data of medium spatial resolution (Landsat 5, 7, and 8) and expeditionary studies (2018–2021). The assessment of carbon directly emitted from wildfires in meadow and meadow–mire temperate ecosystems in the Middle Amur lowland shows that specific emissions from such ecosystems vary, from 1.09 t/ha in dwarf shrub–sphagnum and sphagnum–ledum and sedge–reed fens to 6.01 t/ha in reed–forb, forb, reed, and sedge meadows. Meanwhile, carbon emissions specifically from fires in meadow and meadow–mire ecosystems are less significant—often an order of magnitude less than carbon emissions from forest fires (which reach 37 tC/ha). However, due to their high frequency and the large areas of land burned annually, the total carbon emissions from such fires are comparable to annual emissions from fires in forested areas. The results obtained show that the inadequacy of the methods used in the automatic mapping of burns leads to a significant underestimation of the area of grassland fires and carbon emissions from non-forest fires.
 
Date 2022-02-23
2022-07-25T05:01:58Z
2022-07-25T05:01:58Z
 
Type Journal Article
 
Identifier Ostroukhov, A., Klimina, E., Kuptsova, V. and Naito, D., 2022. Estimating Long-Term Average Carbon Emissions from Fires in Non-Forest Ecosystems in the Temperate Belt. Remote Sensing, 14(5), 1197. https://doi.org/10.3390/rs14051197.
2072-4292
https://hdl.handle.net/10568/120255
https://www.mdpi.com/2072-4292/14/5/1197/pdf
https://doi.org/10.3390/rs14051197
 
Language en
 
Rights CC-BY-4.0
Open Access
 
Format 1197
 
Source Remote Sensing