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View article: Network of networks: Time series clustering of AmeriFlux sites
Network of networks: Time series clustering of AmeriFlux sites Open
Environmental observation networks, such as AmeriFlux, are foundational for monitoring ecosystem response to climate change, management practices, and natural disturbances; however, their effectiveness depends on their representativeness f…
View article: Integrated analysis of socio-ecological impacts on underground food storage in Beringia
Integrated analysis of socio-ecological impacts on underground food storage in Beringia Open
Underground storage utilizing natural cold energy, a long tradition of communities in Beringia closely integrated within their lifeways, is challenged by malfunctions or difficulties in appropriate use, affecting food security and food sov…
View article: Understanding water flowpaths and origins in an Arctic Alaskan basin: Implications for permafrost hydrology under global warming
Understanding water flowpaths and origins in an Arctic Alaskan basin: Implications for permafrost hydrology under global warming Open
Global warming is progressing more rapidly in the Arctic compared with other regions of the world, and the increasing temperature has caused gradual permafrost thaw, resulting in significant changes in hydrological processes. However, the …
View article: Thawing permafrost is subsiding in the Northern Hemisphere—review and perspectives
Thawing permafrost is subsiding in the Northern Hemisphere—review and perspectives Open
High-latitude and altitude cold regions are affected by climate warming and permafrost degradation. One of the major concerns associated with degrading permafrost is thaw subsidence (TS) due to melting of excess ground ice and associated t…
View article: A synthesized field survey database of vegetation and active-layer properties for the Alaskan tundra (1972–2020)
A synthesized field survey database of vegetation and active-layer properties for the Alaskan tundra (1972–2020) Open
Studies in recent decades have shown strong evidence of physical and biological changes in the Arctic tundra, largely in response to rapid rates of warming. Given the important implications of these changes for ecosystem services, hydrolog…
View article: The ABoVE L-band and P-band airborne synthetic aperture radar surveys
The ABoVE L-band and P-band airborne synthetic aperture radar surveys Open
Permafrost-affected ecosystems of the Arctic–boreal zone in northwestern North America are undergoing profound transformation due to rapid climate change. NASA's Arctic Boreal Vulnerability Experiment (ABoVE) is investigating characteristi…
View article: Sulfur Isotope Geochemistry of Ice‐Wedges in Yakutia, East Siberia
Sulfur Isotope Geochemistry of Ice‐Wedges in Yakutia, East Siberia Open
Sulfur, with its highly varying stable isotope ratio and involvement in numerous biogeochemical processes, is one of the most widely used elements as an isotopic paleoenvironmental proxy, yet the sulfur isotope ratios of ice‐wedges and the…
View article: CH4 emissions from runoff water of Alaskan mountain glaciers
CH4 emissions from runoff water of Alaskan mountain glaciers Open
Recent studies have observed high methane concentrations in runoff water and the ambient air at various glacier sites, including the Greenland Ice Sheet, the glacier forefield in Svalbard, and the ice cap in Iceland. This study extends the…
View article: RADIOCARBON AGES OF PLANT REMAINS IN MASSIVE GROUND ICE AND UNDERLYING SEDIMENTS OF THE BARROW PERMAFROST TUNNEL, ALASKA
RADIOCARBON AGES OF PLANT REMAINS IN MASSIVE GROUND ICE AND UNDERLYING SEDIMENTS OF THE BARROW PERMAFROST TUNNEL, ALASKA Open
Massive ground ice found in the Barrow Permafrost Tunnel at 3–7 m depths from the surface has been interpreted as an ice wedge and used to reconstruct early Holocene environmental changes. To better understand the development of this groun…
View article: Permafrost hydrology in an Arctic tundra ecosystem: quantifying water sources using stable water isotopes
Permafrost hydrology in an Arctic tundra ecosystem: quantifying water sources using stable water isotopes Open
Global warming in the Arctic can lead to the alteration of the hydrological cycle and the thawing of permafrost. In this study, we utilized stable water isotope techniques (δ2H and δ18O) to infer the sources mixing of stream wate…
View article: Excess Ground Ice Profiles in Continuous Permafrost Mapped From InSAR Subsidence
Excess Ground Ice Profiles in Continuous Permafrost Mapped From InSAR Subsidence Open
Excess ground ice formation and melt drive surface heave and settlement, and are critical components of the water balance in Arctic soils. Despite the importance of excess ice for the geomorphology, hydrology and biogeochemistry of permafr…
View article: Corrigendum: Modeled energetics of bacterial communities in ancient subzero brines
Corrigendum: Modeled energetics of bacterial communities in ancient subzero brines Open
[This corrects the article DOI: 10.3389/fmicb.2023.1206641.].
View article: Comment on essd-2023-222
Comment on essd-2023-222 Open
Abstract. Studies in recent decades show strong evidence of physical and biological changes in the Arctic tundra largely in response to exceptionally rapid rates of warming. Given the important implications of these changes on ecosystem se…
View article: Variations in permafrost environments determine populations and leaf traits of two closely related common shrub species (Rhododendron subsect. Ledum) in Interior Alaska
Variations in permafrost environments determine populations and leaf traits of two closely related common shrub species (Rhododendron subsect. Ledum) in Interior Alaska Open
Permafrost considerably influences boreal forest ecosystems by constraining the niche space of woody plants. The permafrost influence on the ecosystems could dramatically change with permafrost thawing owing to recent rapid climate warming…
View article: Comment on essd-2021-172
Comment on essd-2021-172 Open
Abstract. Permafrost-affected ecosystems of the Arctic-boreal zone in northwestern North America are undergoing profound transformation as a result of rapid climate change. NASA’s Arctic Boreal Vulnerability Experiment (ABoVE) is investiga…
View article: The ABoVE L-band and P-band Airborne SAR Surveys
The ABoVE L-band and P-band Airborne SAR Surveys Open
Permafrost-affected ecosystems of the Arctic-boreal zone in northwestern North America are undergoing profound transformation as a result of rapid climate change. NASA’s Arctic Boreal Vulnerability Experiment (ABoVE) is investigating chara…
View article: CH4 emission from runoff water of Alaskan mountain glaciers
CH4 emission from runoff water of Alaskan mountain glaciers Open
Methane (CH4) emissions from runoff water (RW) were observed at the terminus of glaciers in Alaska. The observed CH4 concentration was three times higher than ambient air and a high level of dissolved CH4 in RW was also measured. Although …
View article: A synthesized field survey database of vegetation and active layer properties for the Alaskan tundra (1972–2020)
A synthesized field survey database of vegetation and active layer properties for the Alaskan tundra (1972–2020) Open
Studies in recent decades show strong evidence of physical and biological changes in the Arctic tundra largely in response to exceptionally rapid rates of warming. Given the important implications of these changes on ecosystem services, hy…
View article: Modeled energetics of bacterial communities in ancient subzero brines
Modeled energetics of bacterial communities in ancient subzero brines Open
Cryopeg brines are isolated volumes of hypersaline water in subzero permafrost. The cryopeg system at Utqiaġvik, Alaska, is estimated to date back to 40 ka BP or earlier, a remnant of a late Pleistocene Ocean. Surprisingly, the cryopeg bri…
View article: Evaluating the Drought Code for lowland taiga of Interior Alaska using eddy covariance measurements
Evaluating the Drought Code for lowland taiga of Interior Alaska using eddy covariance measurements Open
Background The Drought Code (DC) of the Canadian Fire Weather Index System (CFWIS) has been intuitively regarded by fire managers in Alaska, USA, as poorly representing the moisture content in the forest floor in lowland taiga forests on p…
View article: Excess ground ice profiles in continuous permafrost mapped from InSAR subsidence
Excess ground ice profiles in continuous permafrost mapped from InSAR subsidence Open
Excess ground ice formation and melt drive surface heave and settlement, and are critical components of the water balance in Arctic soils. Despite the importance of excess ice for the geomorphology, hydrology and biogeochemistry of permafr…
View article: Transient Freeze‐Thaw Deformation Responses to the 2018 and 2019 Fires Near Batagaika Megaslump, Northeast Siberia
Transient Freeze‐Thaw Deformation Responses to the 2018 and 2019 Fires Near Batagaika Megaslump, Northeast Siberia Open
Wildfires in Arctic regions impact landforms via permafrost degradation and subsequent deformation that can last for many years. However, it remains uncertain on if and how much deformations occur, and what controls their magnitude, partic…
View article: Origin of CO<sub>2</sub>, CH<sub>4</sub>, and N<sub>2</sub>O trapped in ice wedges in central Yakutia and their relationship
Origin of CO<sub>2</sub>, CH<sub>4</sub>, and N<sub>2</sub>O trapped in ice wedges in central Yakutia and their relationship Open
Permafrost thawing as a result of global warming is expected to foster the biological remineralization of intact organic carbon and nitrogen and release greenhouse gas (GHG) into the atmosphere, which will have positive feedback for future…
View article: Ground Surface Displacement After a Forest Fire Near Mayya, Eastern Siberia, Using InSAR: Observation and Implication for Geophysical Modeling
Ground Surface Displacement After a Forest Fire Near Mayya, Eastern Siberia, Using InSAR: Observation and Implication for Geophysical Modeling Open
Forest fires significantly impact permafrost degradation in the subarctic regions. However, interannual and seasonal variations in surface deformation due to permafrost thawing in burned areas were poorly understood. Measuring the ground s…
View article: Assessing and projecting surface air temperature conditions required to sustain permafrost in Japan
Assessing and projecting surface air temperature conditions required to sustain permafrost in Japan Open
Permafrost covers a wide area of the Northern Hemisphere, including high-altitude mountainous areas and even at mid-latitudes. There is concern that the thawing of mountain permafrost can cause slope instability and substantially impact al…
View article: Ground surface displacement after a forest fire near Mayya, Eastern Siberia, using InSAR: Observation and implication for geophysical modeling
Ground surface displacement after a forest fire near Mayya, Eastern Siberia, using InSAR: Observation and implication for geophysical modeling Open
Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at Earth and Space Science. ESSOAr is a venue for early communication or feedback before peer review. Data may be preliminary.Learn more ab…
View article: Transient Freeze-Thaw Responses to the 2018 and 2019 Fires near Batagaika Megaslump, Northeast Siberia
Transient Freeze-Thaw Responses to the 2018 and 2019 Fires near Batagaika Megaslump, Northeast Siberia Open
This repository contains the dataset for the Transient Freeze-Thaw Responses to the 2018 and 2019 Fires near Batagaika Megaslump, Northeast Siberia. All files are formatted as CSV. TD_Burn14_site1.csv contains thaw depth data at the site1 …
View article: Transient Freeze-Thaw Responses to the 2018 and 2019 Fires near Batagaika Megaslump, Northeast Siberia
Transient Freeze-Thaw Responses to the 2018 and 2019 Fires near Batagaika Megaslump, Northeast Siberia Open
This repository contains the dataset for the Transient Freeze-Thaw Responses to the 2018 and 2019 Fires near Batagaika Megaslump, Northeast Siberia. All files are formatted as CSV. TD_Burn14_site1.csv contains thaw depth data at the site1 …