High-resolution digital mapping of soil organic carbon in permafrost terrain using machine learning: a case study in a sub-Arctic peatland environment

MB Siewert - Biogeosciences, 2018 - bg.copernicus.org
Soil organic carbon (SOC) stored in northern peatlands and permafrost-affected soils are
key components in the global carbon cycle. This article quantifies SOC stocks in a sub-Arctic …

A high-spatial resolution soil carbon and nitrogen dataset for the northern permafrost region, based on circumpolar land cover upscaling

J Palmtag, J Obu, P Kuhry, A Richter… - Earth System …, 2022 - essd.copernicus.org
Soils in the northern high latitudes are a key component in the global carbon cycle; the
northern permafrost region covers 22% of the Northern Hemisphere and holds almost twice …

PeRL: A circum-Arctic permafrost region pond and lake database

S Muster, K Roth, M Langer, S Lange… - Earth System …, 2017 - essd.copernicus.org
Ponds and lakes are abundant in Arctic permafrost lowlands. They play an important role in
Arctic wetland ecosystems by regulating carbon, water, and energy fluxes and providing …

Microscale soil structures foster organic matter stabilization in permafrost soils

CW Mueller, C Hoeschen, M Steffens, H Buddenbaum… - Geoderma, 2017 - Elsevier
Organic carbon (OC) stored in permafrost affected soils of the higher northern latitudes is
known to be highly vulnerable to ongoing climatic change. Although the ways to quantify soil …

Landscape controls and vertical variability of soil organic carbon storage in permafrost-affected soils of the Lena River Delta

MB Siewert, G Hugelius, B Heim, S Faucherre - Catena, 2016 - Elsevier
To project the future development of the soil organic carbon (SOC) storage in permafrost
environments, the spatial and vertical distribution of key soil properties and their landscape …

[HTML][HTML] Strontium isotopes trace the dissolution and precipitation of mineral organic carbon interactions in thawing permafrost

A Monhonval, C Hirst, J Strauss, EAG Schuur… - Geoderma, 2023 - Elsevier
Interactions between minerals and organic carbon (OC) in soils are key to stabilize OC and
mitigate greenhouse gas emissions upon permafrost thaw. However, changes in soil water …

Sizable pool of labile organic carbon in peat and mineral soils of permafrost peatlands, western Siberia

AG Lim, SV Loiko, OS Pokrovsky - Geoderma, 2022 - Elsevier
In contrast to good knowledge of dissolved organic matter (DOM) adsorption on mineral
soils in temperate climate, the behavior of DOM in frozen mineral horizons located under …

Carbon and nitrogen pools in thermokarst-affected permafrost landscapes in Arctic Siberia

M Fuchs, G Grosse, J Strauss, F Günther… - …, 2018 - bg.copernicus.org
Ice-rich yedoma-dominated landscapes store considerable amounts of organic carbon (C)
and nitrogen (N) and are vulnerable to degradation under climate warming. We investigate …

Mapping thermokarst lakes and ponds across permafrost landscapes in the Headwater Area of Yellow River on northeastern Qinghai-Tibet Plateau

RD Șerban, H Jin, M Șerban, D Luo… - … Journal of Remote …, 2020 - Taylor & Francis
The large variety of the semi-automated methods in mapping the surface water bodies and
the frequent omission of ponds (< 10,000 m2) from permafrost regions inventories motivates …

Amino acid production exceeds plant nitrogen demand in Siberian tundra

B Wild, RJE Alves, J Bárta, P Čapek… - Environmental …, 2018 - iopscience.iop.org
Arctic plant productivity is often limited by low soil N availability. This has been attributed to
slow breakdown of N-containing polymers in litter and soil organic matter (SOM) into …