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Pan-Arctic thermokarst lagoon distribution, area and classification from Landsat images, 1984 to 2021
Thermokarst lagoons develop in permafrost lowlands along the ice-rich Arctic coast when thermokarst lakes or basins with bottom elevations at or below sea level are breached by...
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Spatial lake dynamics and lake-ice datasets of the Northern Seward and Baldwin Peninsulas in Alaska
The data publication contains supplementary data to the article "Supplementary Dataset to: The catastrophic thermokarst lake drainage events of 2018 in northwestern Alaska:...
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Pan-Arctic Visualization of Landscape Change (2003-2022), Arctic PASSION Permafrost Service
This raster dataset, in Cloud Optimized GeoTIFF format (COG), provides information on land surface changes at the pan-arctic scale. Multispectral Landsat-5 TM, Landsat-7 ETM+,...
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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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Fluorescent dissolved organic matter (FDOM) intensity (Parafac components and FDOM indices) in the surface water...
Fluorescent dissolved organic matter intensity was measured with an Aqualog®. Measurements were corrected for inner-filter effects and for the Raman and Rayleigh scattering... -
Remote sensing reflectance (Rrs) of the surface water during 4 expeditions from spring to fall in 2019, Mackenzie...
Vertical profiles of downwelling irradiance (Ed) and upwelling radiance (Lu) were measured during legs 2, 3, and 4 using a Compact-Optical Profiling System (C-OPS) in an ICE-Pro...
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Particle absorption (aP) in the surface water during 4 expeditions from spring to fall in 2019, Mackenzie Delta Region (CA)
Absorbance of particles retained on GF/F (0.7 µm) filters was measured using a Varian Cary 100 spectrophotometer equipped with an integrated sphere. Absorbance and reflectance...
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Phytoplankton pigment concentrations measured by HPLC in the surface water during 4 expeditions from spring to fall...
The determination of phytoplankton using high performance liquid chromatography (HPLC) is detailed in Hooker et al. (2005; doi:10.1364/AO.44.000553) and Ras et al. (2008;...
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Colored dissolved organic matter absorption (aCDOM) and spectal slopes (S) in the surface water during 4 expeditions...
Measurement of CDOM absorption was conducted from a water sample within 12 hours of collection using an UltraPath liquid waveguide system (World Precision Instruments, Inc.)... -
Temperature and salinity in the surface water during 4 expeditions from spring to fall in 2019, Mackenzie Delta Region (CA)
During Leg 1, the CTD (CTD RBR Maestro) was manually lowered in the water through an ice hole. During legs 2 to 4, the CTD (CTD RBR Concerto) was installed on a Seabird...
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Hydrographic (CTD) profiles during 4 expeditions from spring to fall in 2019, Mackenzie Delta Region (CA)
During Leg 1, the CTD (CTD RBR Maestro) was manually lowered in the water through an ice hole with a velocity of less than 0.3 ms-1 and an acquisition frequency of 6 Hz,... -
The fractional land cover estimates from the Boreal–Arctic Wetland and Lake Dataset (BAWLD), 2021, Circum-Arctic
The Boreal and Arctic Wetland and Lake Dataset (BAWLD) provides estimates of fractional land cover of 19 land cover classes within 0.5° ×0.5° grid cells. The total area of the...
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Monthly global dataset of Wetland Area and Dynamics for Methane Modeling (WAD2M) from Remote Sensing, 2000-2020
Seasonal and interannual variations in global wetland area is a strong driver of fluctuations in global methane (CH4) emissions. Current maps of global wetland extent vary with...
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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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Lake Database from Landsat TM and ETM+,1970s, 2000s, 2013-2014, Western Alaska (US)
This vector data layer covers 6 major lake districts (Baldwin Peninsula, Kobuk Delta, Selawik Lowland, Northern Seward Peninsula, Central Seward Peninsula, and Yukon-Kuskokwim...
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Remotely-sensed Arctic Discharge Reanalysis (RADR) from discharge observations and Landsat, 1984-2018, Circum-Arctic
Arctic rivers drain ~15% of the global land surface and significantly influence local communities and economies, freshwater and marine ecosystems, and global climate. However,...
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Quantification of shoreline movements from satellite remote sensing, 1951-2011, Yukon Territory mainland coast (CA)
The Arctic is warming, but the impacts on its coasts are not well documented. To better understand the reaction of Arctic coasts to increasing environmental pressure, shoreline...
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Recovered Drained Thaw Lake Basins (DTLBs) from InSAR DEM and Remote Sensing Imagery, 2002-2010, Arctic Coastal...
Paleoshorelines of Drained Thaw Lake Basins (DTLBs) on the Alaskan North Slope were mapped using the Interferometric Synthetic Aperture Radar Digital Elevation Model (InSAR DEM)...
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Beaver Dam Locations from sub-meter resolution Satellite Imagery, 2010-2019, Northern Baldwin Peninsula Alaska (US)
Arctic landscapes are in a state of transition due to changes in climate occurring during both the summer and winter seasons. Scattered observations indicate that beavers...
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Beaver Dam Locations from sub-meter resolution Satellite Imagery, 2002-2019, Kotzebue, Northwestern Baldwin...
Arctic landscapes are in a state of transition due to changes in climate occurring during both the summer and winter seasons. Scattered observations indicate that beavers...