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Requardt, Anna Valeria, 2023. Climate effects of managed boreal forests : combining effects from carbon balance and albedo. Second cycle, A2E. Uppsala: SLU, Dept. of Soil and Environment



Boreal forests are considered as a global carbon (C) sink and are utilized for climate-change mitigation. Judging the climate impact of a forest solely on its C balance might leave an incomplete picture, since forest-climate feedbacks are also caused by various other biophysical and biogeochemical processes, e.g., albedo effects. Previous research showed a high importance of albedo effects in the boreal zone compared to other biomes, mainly due to the presence of snow.
This study quantifies the net climate effect of a forest in boreal North Sweden by considering its C and albedo dynamics. For this purpose, remotely sensed high spatial resolution albedo and ground-based C balance data were combined into a radiative forcing (RF) model. The results suggest a distinct age-related albedo pattern and the possibility of using age as a proxy for successional biophysical changes in the forest landscape. Moreover, C-flux-induced climate cooling (75% of total RF) was found to overrule albedo-induced warming (25% of total RF), which challenges previous research. The findings point towards the need for biome-specific forest management practices to yield maximum climate cooling potentials.
Keywords: Boreal Forests Climate Effect, Remotely Sensed Albedo, Age-Albedo pattern, C-flux Radiative Forcing.

Main title:Climate effects of managed boreal forests
Subtitle:combining effects from carbon balance and albedo
Authors:Requardt, Anna Valeria
Supervisor:Peichl, Matthias and Persson, Henrik and Neumann, Mathias
Examiner:Lundblad, Mattias
Series:Examensarbeten / Institutionen för mark och miljö, SLU
Volume/Sequential designation:2023:13
Year of Publication:2023
Level and depth descriptor:Second cycle, A2E
Student's programme affiliation:Other
Supervising department:(NL, NJ) > Dept. of Soil and Environment
Keywords:Remotely Sensed Albedo, Age-Albedo pattern, C-flux Radiative Forcing, Boreal Forests Climate Effect
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Deposited On:07 Sep 2023 10:47
Metadata Last Modified:08 Sep 2023 01:00

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