Winter snow and spring temperature have differential effects on vegetation phenology and productivity across Arctic plant communities

KC Kelsey, SH Pedersen, AJ Leffler… - Global Change …, 2021 - Wiley Online Library
Tundra dominates two‐thirds of the unglaciated, terrestrial Arctic. Although this region has
experienced rapid and widespread changes in vegetation phenology and productivity over …

[HTML][HTML] Measuring the spatiotemporal variability in snow depth in subarctic environments using UASs–Part 1: Measurements, processing, and accuracy assessment

A Rauhala, LJ Meriö, A Kuzmin, P Korpelainen… - The …, 2023 - tc.copernicus.org
Snow conditions in the Northern Hemisphere are rapidly changing, and information on snow
depth is critical for decision-making and other societal needs. Uncrewed or unmanned …

More snow accelerates legacy carbon emissions from Arctic permafrost

SA Pedron, RG Jespersen, X Xu, Y Khazindar… - AGU …, 2023 - Wiley Online Library
Snow is critically important to the energy budget, biogeochemistry, ecology, and people of
the Arctic. While climate change continues to shorten the duration of the snow cover period …

[HTML][HTML] An evaluation of GPR monitoring methods on varying river ice conditions: A case study in Alaska

E Richards, S Stuefer, RC Rangel, C Maio… - Cold Regions Science …, 2023 - Elsevier
Ice roads and bridges across rivers, estuaries, and lakes are common transportation routes
during winter in regions of the circumpolar north. Ice thickness, hydraulic hazards, climate …

[HTML][HTML] Multi-scale soil moisture data and process-based modeling reveal the importance of lateral groundwater flow in a subarctic catchment

JP Nousu, K Leppä, H Marttila… - Hydrology and Earth …, 2024 - hess.copernicus.org
Soil moisture plays a key role in soil nutrient and carbon cycling; plant productivity; and
energy, water, and greenhouse gas exchanges between the land and the atmosphere. The …

Accuracy assessment of late winter snow depth mapping for tundra environments using Structure-from-Motion photogrammetry

B Walker, EJ Wilcox, P Marsh - Arctic Science, 2020 - cdnsciencepub.com
Arctic tundra environments are characterized by a spatially heterogeneous end-of-winter
snow depth resulting from wind transport and deposition. Traditional methods for measuring …

Arctic snow isotope hydrology: A comparative snow-water vapor study

P Ala-aho, JM Welker, H Bailey, S Højlund Pedersen… - Atmosphere, 2021 - mdpi.com
The Arctic's winter water cycle is rapidly changing, with implications for snow moisture
sources and transport processes. Stable isotope values (δ18O, δ2H, d-excess) of the Arctic …

Snowier winters extend autumn availability of high‐quality forage for caribou in Arctic Alaska

JC Richert, AJ Leffler, DE Spalinger, JM Welker - Ecosphere, 2021 - Wiley Online Library
Caribou (Rangifer tarandus) rely on the short Arctic growing season to restore body
condition, support the demands of lactation, and prepare for the long arctic winter, making …

Snow stratigraphy observations from Operation IceBridge surveys in Alaska using S and C band airborne ultra-wideband FMCW (frequency-modulated continuous …

J Li, F Rodriguez-Morales, X Fettweis, O Ibikunle… - The …, 2023 - tc.copernicus.org
During the concluding phase of the NASA Operation IceBridge (OIB), we successfully
completed two airborne measurement campaigns (in 2018 and 2021, respectively) using a …

Effects of meteorology and soil moisture on the spatio-temporal evolution of the depth hoar layer in the polar desert snowpack

G Davesne, F Domine, D Fortier - Journal of Glaciology, 2022 - cambridge.org
In polar deserts, depth hoar (hereinafter: DH) growth is not systematic unlike on tundra and
this is critical for snowpack properties. Here, we address the spatio-temporal variability of the …