Data are from the Aupaluk region in Nunavik, Quebec, Canada. It contains data from air temperatures. The available datasets cover the period from 2004-2023. Data are available...

Data are from the Inukjuak region in Nunavik, Quebec, Canada. It contains data from air temperatures. The available datasets cover the period from 2008-2021. Data are available...

The data collected from the Kangiqsualujjuaq region in Nunavik, Quebec, Canada. It contains data from air temperatures, air humidity, wind direction and wind speed. The...

Data are from the Kangirsuk region in Nunavik, Quebec, Canada. It contains data from air temperatures. The available datasets cover the period from 2005-2023. Data are available...

The data are from the Kuujjuaq region in Nunavik, Quebec, Canada. It contains data from air temperatures. The available datasets cover the period from 2006-2021. Data are...

Data are from the Puvirnituq region in Nunavik, Quebec, Canada. It contains data from air temperatures. The available datasets cover the period from 2005-2023. Data are...

The ice shelves along the northern coast of Ellesmere Island have been in a state of decline since at least the early 20th century. Available data derived from explorers'...

Data are from the Quaqtaq region in Nunavik, Quebec, Canada. It contains data from air temperatures. The available datasets cover the period from 2004-2023. Data are available...

Following the 2006-2012 action plan on climate change entitled "Le Québec et les changements climatiques, un défi pour l’avenir", the Government of Quebec implemented the tools...

The data are collected from three stations in the Forêt d’enseignement et de recherche de Macpès which is located about 20 km south of the city of Rimouski in Quebec, Canada....

It is presumed that significant quantities of carbon are stored in permafrost soils and that the thawing permafrost could substantially raise atmospheric carbon dioxide...

Lemming abundance and demography are monitored using three methods: Capture by snap trapping is done using Museum Special traps at three sites during the summer from mid-July to...

High throughput sequencing technologies, such as Roche 454 pyrosequencing and Illumina can enable semi-quantitative study of communities of single-celled organisms by generating...

Thermokarst ponds and lakes are common features of Arctic and subarctic landscapes, developing in depressions that result from the thawing of ice-rich permafrost. Most of these...

Sustainability of existing infrastructure and new projects in the Arctic rely on a detailed knowledge of the thermal and geotechnical properties of permafrost, which is required...

Phytoplankton communities in Arctic lakes and fiords are diverse despite oligotrophic conditions. Phytoplankton pigment analyses allow the estimation of the potential primary...

Global warming projections still suffer from a limited representation of the permafrost-carbon feedback. Predicting the response of the permafrost temperature to climate changes...

The available dataset is the unique continuous measurement of the air temperature on the summit of Mont Jacques-Cartier (1263 m a.s.l.). This summit represents the highest peak...

These data were collected as a part of the Slave Province surficial materials and permafrost study (SPSMPS) which took place near the Ekati mine, north of Lac de Gras. Data...

The Arctic biome is currently undergoing major modifications with climate change. Arctic freshwater ecosystems, as sentinel ecosystems, can record major climate changes before...

Frozen tundra soils hold one of the Earth’s largest pools of organic carbon. With global warming, permafrost is thawing at an accelerated rate, promoting the formation of...

While most ecological studies focus on the impact of climate change on some populations or species, broader, ecosystem-based information is needed to better predict the future...

While most ecological studies focus on the impact of climate change on some populations or species, broader, ecosystem-based information is needed to better predict the future...

While most ecological studies focus on the impact of climate change on some populations or species, broader, ecosystem-based information is needed to better predict the future...

In ice-rich hummocky terrains spanning broad swaths of the Canadian Arctic, accelerating permafrost thaw and terrain subsidence (thermokarst) are exposing materials that were...

While most ecological studies focus on the impact of climate change on some populations or species, broader, ecosystem-based information is needed to better predict the future...

While most ecological studies focus on the impact of climate change on some populations or species, broader, ecosystem-based information is needed to better predict the future...

While most ecological studies focus on the impact of climate change on some populations or species, broader, ecosystem-based information is needed to better predict the future...

These data were collected as a part of the Slave Province surficial materials and permafrost study (SPSMPS) which took place near the Ekati mine, north of Lac de Gras. Data...

Over the past decades, observations of buried glacier ice exposed in thaw-slump affected terrain of the Arctic indicate that considerable amounts of Pleistocene glacier ice...

Nest searches are carried out on foot from our main field station since 1989 and from a secondary field camp inside the main goose colony since 1992. Nests are found during...

The Lapland longspur (Calcarius lapponicus) is one of the most abundant and visible terrestrial songbird breeding in the Arctic. As other Arctic-nesting birds, they are...

Monitoring seasonal variation in arthropod abundance above or near the soil surface primarily allows us to determine the interannual availability of food resources for...

Nests are mainly found through systematic searches of a 4.5 km2 core area near our main field station from early June to early July since 2005. Nests are also found...

In northern regions, the seasonal Freeze Thaw (FT) is among climatic phenomenon having major impacts on terrestrial photosynthesis and respiration as well as soil evaporation...

The dataset in this issue of Nordicana D comprises data collected remotely using LiDAR elevation data in the St. Lawrence Lowlands area (i.e., Québec, Ontario, Vermont, New-York...

Permafrost peatland lakes are an organic-rich subcategory of thermokarst lakes and ponds that are known for their high rates of greenhouse gas emissions (Matveev et al. 2016)....

Foxes are strongly dependent on dens for parturition and rearing of cubs. Due to the shallow permafrost-free layer in most of the arctic fox’s range, new dens are rarely dug and...

Predators play a key role in the functioning of ecosystems and could potentially control the abundance of their prey. As predators are at the top of the food chain, they can be...

This dataset presents all the fossil diatom species identified in a 109 cm-long lake sediment core from a thermokarst lake in Bylot Island, Nunavut, Canada. The core was...

This dataset presents an estimation of the organic matter content (by loss-on-ignition) and particle size (grain size analysis) in two lake sediment cores (109 cm, 114 cm) from...

Ground-penetrating radar (GPR) lines were collected (May 2015) at Gull Lake (Bylot Island, Nunavut, Canada) using sleigh-dragged Sensors and Software PulseEkko GPR and 50 MHz...

Computed tomographic (CT) scanning was used (August 2015) to analyze a 109 cm-long lake sediment core from a thermokarst lake in Bylot Island, Nunavut, Canada. The core was...

Primary production is at the base of all terrestrial food webs. In terrestrial ecosystem, primary production is measured by sampling the vegetation. We are interested in two...

Permafrost thawing mobilizes large quantities of organic carbon that was sequestered in Arctic regions over the last glacial cycle. Processes involved in the oxidation and...

Data are from the Clearwater lake region in Nunavik, Quebec, Canada. It contains data from air and ground temperatures, air humidity, wind speed and direction. The available...

Data are from the Little Whale River region in Nunavik, Quebec, Canada. It contains data from air and ground temperatures, air humidity, solar radiation and wind speed and...

Data are from Isle-aux-Grues, Quebec, Canada. It contains data from air and ground temperatures. The available datasets cover the period from 1999-2003. For air temperature, the...

Data are from the Robert-Bourassa Reservoir region, Quebec, Canada. It contains data from air and ground temperatures, air humidity, solar radiation, wind speed and direction...

Data are from the Sheldrake river region in Nunavik, Quebec, Canada. It contains data from air and ground temperatures. The available datasets cover the period from 1986-2019....

Data are from the Biscarat river region in Nunavik, Quebec, Canada. It contains data from air and ground temperatures. The available datasets cover the period from 2005-2019....

Data are from the Nastapoka river region in Nunavik, Quebec, Canada. It contains data from air and ground temperatures. The available datasets cover the period from 1996-1998....

Data are from Nikku Island in Nunavut, Canada. It contains data from air and ground temperatures, air humidity, solar radiation, wind speed and direction. The available datasets...

Data are from the Tantaté ecological reserve, Quebec, Canada. It contains data from air and ground temperatures, solar radiation, wind speed and direction. The available...

Data are from the Laforge Reservoir region, Quebec, Canada. It contains data from air and ground temperatures, air humidity, solar radiation, wind speed and direction and the...

The dataset presents the measurement of the meteorological data at the Beaver Creek experimental road site, Yukon (BC-RES) (62° 20' N, 140° 50' W; 649 m above sea level). The...

The data is from two test sections of the Beaver Creek experimental road site (BC-RES) (62° 20' N, 140° 50' W; 649 m a.s.l.). The dataset covers the period 2/10/2008 -...

Arctic lakes and ponds can be hot spots for greenhouse gas (GHG) emissions, yet studies are scarce, particularly outside the peak summer season. Here we present GHG diffusive...

This dataset includes subsurface temperature data from four different sample locations within the Tasiapik Valley, near the village of Umiujaq, Nunavik, Quebec, Canada. Each...

This dataset includes volumetric water content data from four different sample locations within the Tasiapik Valley, near the village of Umiujaq, Nunavik, Quebec, Canada. Each...

This dataset includes continuous water level data from four different wells within the Tasiapik Valley, near the village of Umiujaq, Nunavik, Quebec, Canada. The wells are...

Many vertebrate species in tundra communities occur in low abundance but may play an important role in terrestrial food webs. Although estimates of their absolute abundance may...

Long-term monitoring of lakes and fjords on the northern coast of Ellesmere Island, Nunavut, provides information on the effects of climate change on these ecosystems and their...

This dataset compiles radiocarbon (14C) dates obtained from soil and lake sediment samples collected at Bylot Island, Nunavut. Bulk soil/sediment samples and, when present,...

During the summers of 2016, 2017 and 2018, field campaigns were conducted to study ice wedges and changes in the landscape of the Narsajuaq River Valley. The data presented here...

Long-term monitoring of lakes and fjords on the northern coast of Ellesmere Island, Nunavut, provides information on the effects of climate change on these ecosystems and their...

Subarctic rivers of northern Québec (Nunavik, Canada) unveil a potential pathway for waterborne release of greenhouse gases generated through mobilization of organic matter in...

Long-term monitoring of lakes and fjords on the northern coast of Ellesmere Island, Nunavut, provides information on the effects of climate change on these ecosystems and their...

The number of glacial lakes is rapidly increasing with glacial retreat in the Canadian High Arctic, yet very little is known about the biology of these aquatic environments....

High Arctic lakes are important sentinels of ongoing climate changes, although many details about their functioning remain to be fully understood. Since 2017, the Stuckberry...

Computed tomographic (CT) scanning was used (February 2018) for the analysis of ice cores collected with a 75 mm inner diameter SPIRE auger in July 2017 on two permanent ice...

These data were obtained in an ice-wedge polygonal site in the Canadian high Arctic, in Qarlikturvik valley on Bylot Island at 73.15°N. The site is on herb tundra with no erect...

This data set is a compilation of in-situ snow cover measurements acquired during multi-site and multi-date measurement campaigns. It includes snow depth, bulk density and snow...

Northern terrestrial ecosystems are undergoing rapid transformation, potentially affecting the chemistry and microbial community structure in rivers flowing through them. From 2...

Establishing new ecological baselines and initiating monitoring schemes on Arctic vegetation are critical to monitor, predict, and manage current and future impacts of climate...

To assess the impact of two sheds used to limit permafrost warming and degradation on a road embankment, soil surface and air temperatures were recorded with iButton sensors...

This dataset provides a long-term weather record from Purple Valley, Ellesmere Island. This location is near the head of Milne Fiord and can serve as an index location for the...

Ice covers northern lakes for much of the year and has biological and biogeochemical properties that differ from those in the underlying water. Since 2017, we have studied lake...

Long-term monitoring of an ice patch at Ward Hunt Island on the northern coast of Ellesmere Island (83°06'N 074°10'W; Nunavut, Canada) provides information on the seasonal and...

This dataset comes from a borehole located along the Alaska Highway at the Beaver Creek Road Experimental Site (BC-RES), Yukon, Canada. Measurements were made every 4h...

Lemmings are an essential link of the Arctic food web as they are the main prey of many predators inhabiting these regions. These small rodents exhibiting cyclic fluctuation of...

These data were obtained on shrub tundra (Salix richardsonii) in the Canadian high Arctic, in Qarlikturvik valley on Bylot Island at 73°11'N, 79°45'W. A 1-year time series of...

This dataset was collected during an autumn campaign in 2015 in Umiujaq, Northern Quebec. The dataset includes vertical profiles of 1) snow specific surface area (SSA), 2) snow...

Dissolved organic matter (DOM) leaching from thawing permafrost may have feedback effects on climate if it is efficiently mineralized into greenhouse gases (GHG). Yet, many...

Northern peatlands cover approximately four million km², and about half of these peatlands are estimated to contain permafrost and periglacial landforms, like palsas and peat...

In formerly glaciated permafrost regions, extensive areas are still underlain by a considerable amount of glacier ice buried by glacigenic sediments. Although the extent and...

The Torngat Mountains of northern Labrador are an Arctic cordilleran mountain range located at the southern limit of the Canadian Arctic. Sparse observations of periglacial...

The data are from a test section of the Beaver Creek experimental road site (BC-RES) (62° 20' N; 140° 50' W; 649 m a.s.l.). The dataset covers the period 13/04/1997 -...

The data are from a test section of the Beaver Creek experimental road site (BC-RES) (62° 20' N; 140° 50' W; 649 m a.s.l.). The dataset covers the period 1/10/2008 - 31/12/2018....

Northern terrestrial ecosystems are undergoing rapid transformation, potentially affecting the chemistry and microbial community structure in rivers flowing through them. The...

The number of glacial lakes is rapidly increasing with glacial retreat in the Canadian High Arctic, yet very little is known about the biology of these aquatic environments....

Most of the world’s lakes are in the Arctic, yet very little is known about these aquatic environments. We present here the size and depth data for five large lakes in the...

Arctic landscapes are characterized by the presence of many lakes and ponds that exhibit distinct physico-chemical and biological properties. Since 2018, we have been studying...

A network of temperature and humidity sensors was deployed near Yellowknife, Canada to establish 28 distinct study sites reflecting landscape variability. The field campaign was...

This dataset includes soil volumetric water content and temperature data from a permafrost mound (i.e., lithalsa) located within the Tasiapik Valley, near the village of...

This dataset includes groundwater level data from four wells located on a permafrost mound (lithalsa) and its surroundings, within the Tasiapik Valley, near the village of...

This dataset presents a compilation of sporo-pollinic taxa detected in glacier ice buried in the permafrost of Bylot Island. The buried ice was sampled using an earth auger...

This dataset includes heat flux and soil surface temperature data from a permafrost mound (i.e., lithalsa) located within the Tasiapik Valley, near the village of Umiujaq,...

This dataset includes snow cover height data from a permafrost mound (i.e., lithalsa) located within the Tasiapik Valley, near the village of Umiujaq, Nunavik, Quebec, Canada....

From August 25 to September 1, 2022, fieldwork was conducted in Old Crow Flats, Yukon (Canada) to study thermokarst lake and drained basin dynamics. As part of this work,...

Between June 2017 and September 2022, fieldwork was conducted in Old Crow Flats, Yukon (Canada) to study thermokarst lake and drained basin dynamics and hydrological connections...

A database was created following a systematic review process as carried out for a review article titled "Oxygen depletion in Arctic lakes: circumpolar trends, biogeochemical...

This dataset presents a compilation of paleomagnetic records from glacigenic sedimentary sequences studied on Bylot Island (Nunavut). Discrete sediment samples were collected...

This dataset includes a compilation of ground temperature data for two different locations in Kugluk Regional Park, near the community of Kugluktuk (Nunavut, Canada). These...

The Canadian Permafrost Electrical Resistivity Survey Database (CPERS) is a collection of electrical resistivity tomography (ERT) datasets collected in permafrost environments....

These data were collected near Kennady Lake Northwest Territories, Canada. Data comprise air and ground temperature and air humidity measurements and detailed metadata...

In 2019, a thermokarst lake located in low-shrub polygonal tundra in the Old Crow Flats (Yukon, Canada) drained catastrophically, forming a 1.9km2 drained basin containing a...

Winter conditions profoundly alter the limnological properties of lotic ecosystems. In 2019, from February 25 to March 1, we sampled the under-ice water column of the Great...

The coastal Labrador peatland permafrost borehole monitoring network is comprised of a series of shallow boreholes (up to 5.7 m) drilled in palsas and peat plateaus across...

This data was used to evaluate links between limnological processes and climate in the article "Regime shifts in lake oxygen and temperature in the rapidly warming high Arctic"....

This database contains the spatial coordinates and years (timing and duration) of activity for more than 7400 retrogressive thaw slumps (RTS) in five areas of the western...

The chemical characteristics of lakes change according to local conditions in their watershed: soil type, vegetation type, proximity to the coast, etc. We studied 49 lakes...

Properties of Arctic lakes vary depending on the type of soil, major sources of water, size of the lake, elevation and climatic conditions among others. We studied 35 lakes of...

Ponds were sampled every July on Bylot Island (Qarlikturvik Valley, 73°09’N, 79°58’W) from 2017 to 2019. In 2017 and 2018, ponds were sampled twice during the sampling campaign....

Limnological profile and cytometry of Ward Hunt Lake, located on Ward Hunt Island, Nunavut, Canada. Data were collected during a field campaign in July 2022. The various...

This dataset presents thaw front depths (TFD) measurements made in two thermo-erosional gullies on Bylot Island, Nunavut, Canada, from probing to refusal with a graduated steel...

This dataset presents data on soil properties (volumetric ice content, organic matter content, grain size) that come from two thermo-erosion gullies that were studied in the...

These data originate from a dissolved organic matter (DOM) degradation experiment carried out at Bylot Island (Qarlikturvik Valley, 73°09’N, 79°58’W), in the eastern Canadian...

The Meretta wetlands are an extensive area of shallow lakes, ponds and streams that mostly drain into Meretta Lake, in the Resolute Bay area, on Cornwallis Island in the...

The data are from the northern region of Ellesmere Island, Nunavut, Canada. It contains data from air and ground temperatures, air humidity, solar radiation, wind speed and...

Data are from Bylot Island in Nunavut, Canada. Available data are air and ground temperatures, air humidity, solar radiation, wind speed and direction and the average snow...

Data are from the Salluit region in Nunavik, Québec, Canada. It contains data from air and ground temperatures and wind speed and direction. The available datasets cover the...

Data are from the Whapmagoostui-Kuujjuarapik region in Nunavik, Québec, Canada. It contains data from air and ground temperatures, solar radiation and wind speed and direction....

The datasets in this issue of Nordicana D are data collected from the Blanc-Sablon station, Québec, Canada. It contains data from air and ground temperatures. The available...

Data are from the Grands-Jardins park in Charlevoix, Quebec, Canada. It contains data from air and ground temperatures, wind speed and direction and the average snow height. The...

Data are from Boniface river region in Nunavik, Quebec, Canada. It contains data from air and ground temperatures, air humidity, solar radiation, wind speed and direction and...

Permafrost is the foundation upon which northern ecosystems and communities rest and upon which new industrial infrastructures are built. Determining the thermal state and...

Data are from the Umiujaq region in Nunavik, Quebec, Canada. It contains air temperature, soil surface temperature, air humidity, solar radiation, snow depth and wind speed and...

Data are from the Tasiujaq region in Nunavik, Quebec, Canada. It contains data from air temperatures. The available datasets cover the period from 2002-2023. Data are available...

Data are from the Akulivik region in Nunavik, Quebec, Canada. It contains data from air temperatures, wind direction and wind speed. The available datasets cover the period from...