Carbon uptake in Eurasian boreal forests dominates the high‐latitude net ecosystem carbon budget

JD Watts, M Farina, JS Kimball, LD Schiferl… - Global Change …, 2023 - Wiley Online Library
Arctic‐boreal landscapes are experiencing profound warming, along with changes in
ecosystem moisture status and disturbance from fire. This region is of global importance in …

[HTML][HTML] A trained Mask R-CNN model over PlanetScope imagery for very-high resolution surface water map** in boreal forest-tundra

P Freitas, G Vieira, J Canário, WF Vincent… - Remote Sensing of …, 2024 - Elsevier
Abstract Small water bodies (< 0.01 km 2) showing diverse limnological properties occur in
great abundance across the boreal forest and tundra landscapes of the Arctic and Subarctic …

Using atmospheric observations to quantify annual biogenic carbon dioxide fluxes on the Alaska North Slope

LD Schiferl, JD Watts, EJL Larson… - Biogeosciences …, 2022 - bg.copernicus.org
The continued warming of the Arctic could release vast stores of carbon into the atmosphere
from high-latitude ecosystems, especially from thawing permafrost. Increasing uptake of …

Ratio of In Situ CO2 to CH4 Production and Its Environmental Controls in Polygonal Tundra Soils of Samoylov Island, Northeastern Siberia

LA Galera, T Eckhardt, C Beer… - Journal of …, 2023 - Wiley Online Library
Arctic warming causes permafrost thaw and accelerates microbial decomposition of soil
organic matter (SOM) to carbon dioxide (CO2) and methane (CH4). The determining factors …

Permafrost degradation and soil erosion as drivers of greenhouse gas emissions from tundra ponds

V Prėskienis, D Fortier, PMJ Douglas… - Environmental …, 2024 - iopscience.iop.org
Climate change poses a serious threat to permafrost integrity, with expected warmer winters
and increased precipitation, both raising permafrost temperatures and active layer thickness …

Tundra browning in the Indigirka Lowlands (North‐Eastern Siberia) explained by drought, floods and small‐scale vegetation shifts

RÍ Magnússon, F Groten… - Journal of …, 2023 - Wiley Online Library
Contrary to the general “greening of the Arctic”, the Siberian Indigirka Lowlands show strong
“browning”(a decrease in the Normalized Difference Vegetation Index or “NDVI”) in various …

Simulated methane emissions from Arctic ponds are highly sensitive to warming

Z Rehder, T Kleinen, L Kutzbach… - Biogeosciences …, 2023 - bg.copernicus.org
We employ a new, process-based model for methane emissions from ponds (MeEP) to
investigate the methane-emission response of polygonal-tundra ponds in Northeast Siberia …

Lateral carbon export has low impact on the net ecosystem carbon balance of a polygonal tundra catchment

L Beckebanze, BRK Runkle, J Walz, C Wille… - …, 2022 - bg.copernicus.org
Permafrost-affected soils contain large quantities of soil organic carbon (SOC). Changes in
the SOC pool of a particular ecosystem can be related to its net ecosystem carbon balance …

Environmental controllers for carbon emission and concentration patterns in Siberian rivers during different seasons

IV Krickov, AG Lim, LS Shirokova, MА Korets… - Science of the Total …, 2023 - Elsevier
Despite the importance of small and medium size rivers of Siberian boreal zone in
greenhouse gases (GHG) emission, major knowledge gaps exist regarding its temporal …

[HTML][HTML] Resolving heterogeneous fluxes from tundra halves the growing season carbon budget

SM Ludwig, L Schiferl, J Hung, SM Natali… - …, 2024 - bg.copernicus.org
Landscapes are often assumed to be homogeneous when interpreting eddy covariance
fluxes, which can lead to biases when gap-filling and scaling up observations to determine …