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Dissolved organic carbon (DOC) concentration in the surface water during 4 expeditions from spring to fall in 2019,...
Water samples were filtered through 0.7 µm GF/F filter, and acidified with 25 µL Suprapur HCl (10 M) on the same day of sampling. DOC samples were stored and kept at 4°C in the...
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Bacteria cells in the surface water during 4 expeditions from spring to fall in 2019, Mackenzie Delta Region (CA)
Samples for bacterial abundance (1.5 mL) were preserved with glutaraldehyde (1% final concentration) and stored at -80°C. Samples were stained with SYBRTM Green I (Thermofisher...
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Particulate organic carbon (POC) and particulate organic nitrogen (PON) concentrations in the surface water during 4...
Particulate organic carbon (POC) and particulate organic nitrogen (PON) concentrations were obtained from water samples filtered on precombusted (450°C for >5 hours) 47mm...
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Suspended particulate matter (SPM), Total particulate carbon (TPC) and Total particulate nitrogen (TPN)...
Material for the determination of suspended particulate matter (SPM), total particulate carbon (TPC) and total particulate nitrogen (TPN) was obtained by filtering 300-700 mL...
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Nutrient (NO3, NO2, PO4, SiO4) concentrations in the surface water during 4 expeditions from spring to fall in 2019,...
Water for nitrate (NO3), nitrite (NO2), phosphate (PO4) and silicate (SiO4) was filtered using an acid-washed 60-mL luer-lock syringe combined with an Acrodisc filter (GF/F 0.7...
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Isotopic composition of ground ice, ebullition gases and thermokarst lake water, Alaska, 2008-2010
Thermokarst lakes are thought to have been an important source of methane (CH4) during the last deglaciation when atmospheric CH4 concentrations increased rapidly. Here we...
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Methane and nitrous oxide dissolved gas concentrations in seawater from 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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Methane and nitrous oxide dissolved gas concentrations from rivers in the North American Arctic (2017–2019)
This dataset contains methane and nitrous oxide dissolved gas concentration and dissolved methane carbon isotope data from rivers in the Canadian Arctic Archipelago region...
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Chamber methane fluxes with spectrometer from a polygon tundra, 2015, northeastern Siberia
This dataset contains in situ CH4 fluxes measured through the chamber technique over the growing season of 2015 (from July to September) at a wet polygon center and a dry... -
Dataset of a globally relevant stock of soil nitrogen in the Yedoma permafrost domain, 1998-2016, Circum-Arctic
This dataset merges nitrogen data from the Yedoma domain. It includes numerous fieldwork campaigns, which take place since 1998. In total 467 samples from the active layer...
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Lake-DOC Database (PeRL-DOCv1), 1979-2017, Permafrost-Region
The pan-Arctic Permafrost-Region Lake-DOC version1 database contains surface water samples of lakes in the permafrost regions of Alaska (49.3 %), Canada (24.2 %), Greenland (3.2...
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Database of Global Peatland Extent and Carbon Stocks through the Last Glacial Cycle (130 ka to present)
We present the first synthesis of global peatland extent through the last glacial cycle (130 ka) based on >975 detailed stratigraphic descriptions from exposures, soil pits,...
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Database of Quaternary Deposits from Maps, East and Central Siberia (RU)
This digital database is the product of collaboration between the U.S. Geological Survey, the Alfred Wegener Institute for Polar and Marine Research Potsdam, Foothill College...
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Geochemical, lithological, and geochronological characteristics of sediment samples from Yedoma and thermokarst...
This dataset merges data from the yedoma domain in Northern Siberia (RU) and Alaska (US). It includes numerous fieldwork campaigns, which take place since 1998 . In total 224...
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Cumulative greenhouse gas production in thawed sediments, 2019-2020, Yukechi Alas, Central Yakutia (RU)
This dataset describes two 17 m long sediment cores taken from beneath two thermokarst lakes in the Yukechi Alas, Central Yakutia, Russia. The first core was taken from below an...
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TCCON data from Ny-Ålesund, Svalbard (NO), 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...