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Maps of ice wedge thermokarst pool expansion from twenty-seven circumpolar survey areas
This repository includes data and code to accompany the manuscript 'Topography controls variability in circumpolar permafrost thaw pond expansion' by Abolt et al. The data...
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Ice wedge polygon occurrence and geomorphology from LiDAR elevation data, 2012 and 2014, south of Prudhoe Bay, Alaska (US)
We mapped the occurrence of more than one million ice wedge polygons over a landscape of approximately 1,200 square kilometers, just south of Prudhoe Bay in northern Alaska,...
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Permafrost active layer thickness for the Northern Hemisphere, v4.0 from MODIS LST, ERA5, 1997-2021
This dataset contains v4.0 permafrost active layer thickness data produced as part of the European Space Agency's (ESA) Climate Change Initiative (CCI) Permafrost project. It...
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Total above-ground biomass of 25 sites from 2018 central Lena Delta (RU)
Field investigations were performed in the central Lena Delta. In total, 25 sites were investigated. The sites were chosen to represent a variety of vegetation communities of...
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Permafrost ground temperature for the Northern Hemisphere, v4.0 from MODIS LST, ERA5, 1997-2021
This dataset contains v4.0 permafrost ground temperature data produced as part of the European Space Agency's (ESA) Climate Change Initiative (CCI) Permafrost project. It forms...
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Permafrost extent for the Northern Hemisphere, v4.0 from MODIS LST, ERA5, 1997-2021
This dataset contains v4.0 permafrost extent data produced as part of the European Space Agency's (ESA) Climate Change Initiative (CCI) Permafrost project. It forms part of the...
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Dissolved methane and hydrochemical parameters in ice cores from 2017, Bykovsky Peninsula, Lena Delta
Data were analyzed to study the role of an winter ice cover for methane cycles of three different stages in the lake-lagoon-shelf transition in a region of rapidly thawing...
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Methane and nitrous oxide sea-air fluxes calculated from samples collected in the North American Arctic Ocean (2015–2018)
This dataset contains methane and nitrous oxide dissolved gas concentration, dissolved methane carbon isotope, and ancillary hydrographic data from research cruises in the North...
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Chamber measured methane transport through individual aerenchymous plants at a boreal fen and a bog
The presented dataset contains chamber measurements of methane transport (mg CH₄ g dry plant mass-1 day-1) through individual aerenchymous peatland plants and the ancillary data...
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Incubation data, Carbon flux data and soil properties of thaw slump soils on Kurungnakh, Lena Delta, 2016 & 2019
The dataset comprises in situ CO2 and CH4 fluxes, active layer depths, thawed carbon pools and soil temperatures from different non-vegetated soils in an active thaw slump in... -
Eddy covariance carbon fluxes and ancillary data, Samoylov Island, Lena River Delta, 2014-2015
This dataset contains fluxes of carbon dioxide and methane on an active flood plain in the Siberian Lena River Delta during the growing seasons 2014 and 2015 by means of the...
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Geochemistry of incubated permafrost and seawater from the western Canadian Arctic
We present geochemical and hydrochemical information on individual permafrost and seawater samples from the Yukon Coast in the western Canadian Arctic used for an incubation...
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Anaerobic incubation measurements (CH4+CO2) and microbe quantification, Lena Delta, 2018
The data sets were made during the summer 2021, with samples collected from three cores, at two depths (active and permafrost layers). In total, six samples (3 replicates by...
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Arctic Coastal Human Impact dataset (SACHI) derived from Sentinel-1/2, 2016-2020, Circum-Arctic
The SACHI (Sentinel-1/2 derived Arctic Coastal Human Impact) V1 dataset was developed as part of the HORIZON2020 project Nunataryuk by b.geos (www.bgeos.com). V1 covered a 100km... -
TCCON data from Sodankylä, Lapland (FI), Release GGG2020.R0
The Total Carbon Column Observing Network (TCCON) is a network of ground-based Fourier Transform Spectrometers that record direct solar absorption spectra of the atmosphere in... -
UAV-based methane data from Barter Island, September 2017, Barrow, 1986-2017, Alaska (US)
Arctic permafrost stores vast amounts of methane (CH4) in subsurface reservoirs. Thawing permafrost creates areas for this potent greenhouse gas to be released to the...
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T-MOSAiC 2021 myThaw data set, Circum-Arctic
The Terrestrial Multidisciplinary distributed Observatories for the Study of the Arctic Connections (T-MOSAiC) 2021 permafrost thaw data set provides standardized measurements...
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Inorganic and organic hydrochemistry of lakes and ponds in continuous permafrost landscapes in the western Canadian...
Between 2006 and 2015 inorganic and organic hydrochemical parameters and stable water isotope characteristics were measured in lakes and ponds in continuous permafrost...
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Ground layer above-ground biomass of 39 sites from 2018 central Chukotka (RU) - Raw data of dry weight for each...
Field investigations were performed in four areas: a treeless mountainous tundra (16-KP-04; Lake Rauchuagytgyn area), tundra-taiga transition zone (16-KP-01, Lake Ilirney area)...
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Ground layer above-ground biomass of 25 sites from 2018 central Lena Delta (RU) - Raw data of dry weight for each...
Field investigations were performed in the central Lena Delta. In total, 25 sites were investigated. The sites were chosen to represent a variety of vegetation communities of...
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