10 Jul 2019
| 10 Jul 2019
The GIS-based approach for the permafrost active layer depth mapping
Mikhail A. Korets
Sukachev Institute of Forest Siberian Branch, Russian Academy of Science, Russia
Anatoly S. Prokushkin
Sukachev Institute of Forest Siberian Branch, Russian Academy of Science, Russia
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Sergey N. Vorobyev, Jan Karlsson, Yuri Y. Kolesnichenko, Mikhail A. Korets, and Oleg S. Pokrovsky
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In order to quantify riverine carbon (C) exchange with the atmosphere in permafrost regions, we report a first assessment of CO2 and CH4 concentration and fluxes of the largest permafrost-affected river, the Lena River, during the peak of spring flow. The results allowed identification of environmental factors controlling GHG concentrations and emission in the Lena River watershed; this new knowledge can be used for foreseeing future changes in C balance in permafrost-affected Arctic rivers.
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Short summary
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Forests play a crucial role in Earth’s carbon cycle. To understand the carbon cycle better, we generated a global dataset of forest above-ground biomass, i.e. carbon stocks, from satellite data of 2010. This dataset provides a comprehensive and detailed portrait of the distribution of carbon in forests, although for dense forests in the tropics values are somewhat underestimated. This dataset will have a considerable impact on climate, carbon, and socio-economic modelling schemes.
Vera A. Ryzhkova, Mikhail A. Korets, and Irina V. Danilova
Proc. Int. Cartogr. Assoc., 2, 109, https://doi.org/10.5194/ica-proc-2-109-2019, https://doi.org/10.5194/ica-proc-2-109-2019, 2019
