Find research datasets worth reusing
Search datasets from major research repositories and use ShareScore to quickly assess how well each record supports discovery, access, and reuse.
197
datasets available to search
ShareScore release 0.9.0
Dataset results
197 results for “Canadian Arctic”
Data and derived products from airborne radar sounding survey over Devon Ice Cap, Canadian Arctic
<p>Data and derived products used in Rutishauser et al., “Radar sounding survey over Devon Ice Cap indicates the potential for a diverse hypersaline subglacial hydrological environment”, accepted for publication, The Cryosphere, <a href="https://doi.org/10.5194/tc-2021-220">https://doi.org/10.5194/tc-2021-220</a></p> <p>Corresponding author: <a href="mailto:rutishauser.anja@gmail.com">rutishauser.anja@gmail.com</a></p> <p> </p> <p><strong>Description of datasets:</strong></p> <p>------------------------------------------</p> <p><strong>2018_DIC_UTIG.IR2HI1B.kml</strong></p> <p>Geolocation of the SRH1 profile lines. Coordinates in EPSG: 4326 - WGS 84 (latitude, longitude)</p> <p>------------------------------------------</p> <p><strong>2018_DIC_UTIG.IR2HI1B.tgz</strong></p> <p>HiCARS 2 L1B echo strength profiles (radargrams) in NetCDF format. The naming of the files has the structure IR2HI1B_YYYYDOY_PST_x (e.g. IR2HI1B_2018153_DEV_JKB2t_Y87b_000.nc), where YYYY is the survey year (e.g. 2018), DOY is the survey day of the year (e.g. 153), PST is the profile name (e.g. DEV_JKB2t_Y87b), and x is the segment number if the profile was split in two (e.g. 000).</p> <p>For each profile, a PDF file showing the profile location and the radargram is included.</p> <p>------------------------------------------</p> <p><strong>2018_DIC_UTIG.Level2.tgz </strong></p> <p>Level 2 datasets for each profile, organized in the following folders:</p> <ul> <li><strong>2018_DIC_UTIG.ILUTP2:</strong> Laser altimeter geolocated surface elevation</li> <li><strong>2018_DIC_UTIG.IR2HI2:</strong> HiCARS 2 unfocused (pik1) geolocated ice thickness, ice surface elevation, bed elevation, surface- and bed reflection coefficients, and aircraft roll</li> <li><strong>2018_DIC_UTIG.IRHFOC2:</strong> HiCARS 2 focused (foc1) geolocated ice thickness, ice surface elevation, bed elevation, surface- and bed reflection coefficients, and aircraft roll</li> <li><strong>2018_DIC_UTIG.IRSPC2: </strong>HiCARS 2 derived basal interface specularity content</li> </ul> <p>------------------------------------------</p> <p><strong>Devon_basal_ice_temperature.tif: </strong>Modeled basal ice temperature [ºC] using a 1D advection diffusion model. 500 m grid cell size, coordinates in EPSG: 32617 - WGS 84 / UTM zone 17N.</p> <p>------------------------------------------</p> <p><strong>Devon_bedrockDEM.tif: </strong>Digital elevation model (DEM) of the bedrock topography beneath Devon Ice Cap [m asl.]. 500 m grid cell size, coordinates in EPSG: 32617 - WGS 84 / UTM zone 17N.</p> <p>------------------------------------------</p> <p><strong>Devon_gridded_RMSD_bedrock.tif</strong>: Root mean square deviation (RMDS) of the bedrock topography [m]. The RMSD was computed along each profile line, then interpolated on a 500x500m grid using the QGIS GDAL moving average grid interpolation. 500 m grid cell size, coordinates in EPSG: 32617 - WGS 84 / UTM zone 17N.</p> <p>------------------------------------------</p> <p><strong>Devon_gridded_specularity.tif</strong>: Specularity content from along the profile lines interpolated on a 500x500m grid using the QGIS GDAL moving average grid interpolation. 500 m grid cell size, coordinates in EPSG: 32617 - WGS 84 / UTM zone 17N.</p> <p>------------------------------------------</p> <p><strong>Devon_ice_thickness.tif</strong>: Gridded ice thickness [m] generated by subtracting the bedrock DEM from ice surface elevations derived from the ArcticDEM, Polar Geospatial Center from DigitalGlobe Inc. imagery. 500 m grid cell size, coordinates in EPSG: 32617 - WGS 84 / UTM zone 17N.</p> <p>------------------------------------------</p> <p><strong>Devon_modeled_Geology.zip</strong></p> <ul> <li><strong>Devon_modeled_subglacial_geology.tif</strong>: Map of the projected geological units beneath Devon Ice Cap. The assigned numbers correspond to the following geological units: 1: pPe, 2: Cm-cf, 3: Oe, 4: Ocb, 5: Oct. Details on the geological units can be found in (Harrison et al., 2016; Mayr, 1980; Thorsteinsson & Mayr, 1987). 500 m grid cell size, coordinates in EPSG: 32617 - WGS 84 / UTM zone 17N.</li> <li><strong>{pPe, Oe, Oct, Ocb,Cm_rb}_Model.stl</strong>: 3D geometry of the modeled geological units beneath Devon Ice Cap, originally published in (Rutishauser et al., 2018). Coordinates in EPSG: 32617 - WGS 84 / UTM zone 17N.</li> <li><strong>Devon_load_geology_stl_files.py</strong><em>: </em>Python script to load and plot the 3D geology layers in the .stl files.</li> </ul> <p>------------------------------------------</p> <p><strong>Devon_subgl_hydraulic_head.tif</strong>: Subglacial hydraulic head [m] beneath Devon Ice Cap. 500 m grid cell size, coordinates in EPSG: 32617 - WGS 84 / UTM zone 17N.</p> <p>------------------------------------------</p> <p><strong>Devon_subgl_hydraulic_slope.tif</strong></p> <p>Slope [º] of the subglacial hydraulic head beneath Devon Ice Cap. 500 m grid cell size, coordinates in EPSG: 32617 - WGS 84 / UTM zone 17N.</p> <p>------------------------------------------</p> <p><strong>Devon_subgl_lakes_brine_network.zip</strong></p> <ul> <li><strong>Devon_subgl_lake_outline.shp</strong>: Shoreline of the subglacial lakes beneath Devon Ice Cap (identified in this study). Coordinates in EPSG: 32617 - WGS 84 / UTM zone 17N.</li> <li><strong>Devon_brine_network_outline.shp</strong>: Outlines of the mapped subglacial brine network beneath Devon Ice Cap. Coordinates in EPSG: 32617 - WGS 84 / UTM zone 17N.</li> </ul> <p>------------------------------------------</p> <p><strong>Devon_subgl_water_routes.zip</strong></p> <ul> <li><strong>Devon_modeled_subgl_water_routes_{1, 2, 3}std.tif</strong>: Modeled subglacial water routes derived via application of a flow accumulation algorithm to the hydraulic head. The model is run 1000 times with normally distributed random errors of 1, 2 and 3 standard deviations of the hydraulic head uncertainty added to the hydraulic head (represented in the file name). Pixel values represent the model counts for which the cell has a minimum of 10 upstream cells draining into it. 500 m grid cell size, coordinates in EPSG: 32617 - WGS 84 / UTM zone 17N.</li> <li><strong>Devon_extracted_subgl_water_routes.shp</strong>: Modeled subglacial water routes derived via the application of a flow accumulation algorithm to the hydraulic head. Coordinates in EPSG: 32617 - WGS 84 / UTM zone 17N.</li> </ul> <p>------------------------------------------</p> <p><strong>SpecularityJustification.zip</strong></p> <p>Jupyter notebook and example datafile to show the justification for the chosen specularity threshold of 0.4 for declaring a detection of possible subglacial water.</p> <p>------------------------------------------</p> <p> </p> <p><strong>Acknowledgments</strong></p> <p>The aerogeophysical survey and subsequent standard data processing were funded by the Weston Family Foundation. We also thank the G. Unger Vetlesen Foundation and the UTIG Postdoctoral Fellowship program who provided further funding for data analysis. M.L.S. was partially supported by NASA NNX16AJ64G and NASA 80NSSC20K1134. We thank PCSP and Kenn Borek Air Ltd. for logistical support, and the Nunavut Research Institute and the peoples of Grise Fjord and Resolute Bay for permission to conduct airborne surveys over Devon Ice Cap. Finally, we thank Scott Kempf for assistance with data processing, and Sam Christian and Miguel Liu-Schiaffini for help with radar reflection picking.</p> <p><strong>References</strong></p> <p>Harrison, J. C., Lynds, T., Ford, A., & Rainbird, R. H. (2016). Geology, simplified tectonic assemblage map of the Canadian Arctic Islands, Northwest Territories - Nunavut. <em>Geological Survey of Canada, Canadian Geoscience</em>, <em>Map 80</em>. https://doi.org/10.4095/297416</p> <p>Mayr, U. (1980). Stratigraphy and correlation of lower Paleozoic formations, subsurface of Bathurst Island and adjacent smaller islands, Canadian Arctic Archipelago. <em>Geological Survey of Canada, Bulletin</em>, <em>306</em>. https://doi.org/10.4095/102157</p> <p>Rutishauser, A., Blankenship, D. D., Sharp, M., Skidmore, M. L., Greenbaum, J. S., Grima, C., Schroeder, D. M., Dowdeswell, J. A., & Young, D. A. (2018). Discovery of a hypersaline subglacial lake complex beneath Devon Ice Cap, Canadian Arctic. <em>Science Advances</em>, <em>4</em>(4), eaar4353. https://doi.org/10.1126/sciadv.aar4353</p> <p>Thorsteinsson, R., & Mayr, U. (1987). <em>The sedimentary rocks of Devon island, canadian arctic archipelago</em>. https://doi.org/10.4095/122451</p>
Subspecies and Distribution. C. lupus Linnaeus, 1758 - Asia, Europe. C. l. albus Kerr, 1792 — N Russia. C. l. arctos Pocock, 1935 — Canadian High Arctic. C. l. baileyi Nelson & Goldman, 1929 — Mexico, SW USA (extinct in the wild). C. l. communis Dwigubski, 1804 — C Russia. C. l. cubanensis Ognev, 1923 — E-C Asia. C. l. dingo Meyer, 1793 — SE Asia and Australasia. C. l. lycaon Schreber, 1775 — SE Canada, NE USA. C. l. nubilus Say, 1823 — E-C Canada and C USA. C. l. occidentalis Richardson, 1829 — Alaska, NW Canada. C. l. pallipes Sykes, 1831 — Middle East and SW Asia to India. in Canidae
Subspecies and Distribution. C. lupus Linnaeus, 1758 - Asia, Europe. C. l. albus Kerr, 1792 — N Russia. C. l. arctos Pocock, 1935 — Canadian High Arctic. C. l. baileyi Nelson & Goldman, 1929 — Mexico, SW USA (extinct in the wild). C. l. communis Dwigubski, 1804 — C Russia. C. l. cubanensis Ognev, 1923 — E-C Asia. C. l. dingo Meyer, 1793 — SE Asia and Australasia. C. l. lycaon Schreber, 1775 — SE Canada, NE USA. C. l. nubilus Say, 1823 — E-C Canada and C USA. C. l. occidentalis Richardson, 1829 — Alaska, NW Canada. C. l. pallipes Sykes, 1831 — Middle East and SW Asia to India.
Distribution. Circumpolar range, sightings have been made as far N as 85° N in the Arctic Ocean and as far S as ¢.60° N in Hudson Bay and the Labrador Sea; rarely seen In Siberian, Alaskan, or W Canadian Arctic waters. in Monodontidae
Distribution. Circumpolar range, sightings have been made as far N as 85° N in the Arctic Ocean and as far S as ¢.60° N in Hudson Bay and the Labrador Sea; rarely seen In Siberian, Alaskan, or W Canadian Arctic waters.
Subspecies and Distribution. E.b.barbatusErxleben,1777—NAtlanticandArcticoceansfromtheCCanadianArctictoBarentsandLaptevseas. E. b. nauticus Pallas, 1881 — Arctic and subarctic oceans E of Laptev Sea to the C Canadian Arctic, also petion Sea and Sea of Okhotsk S to Hokkaido, Japan. in Phocidae
Subspecies and Distribution. E.b.barbatusErxleben,1777—NAtlanticandArcticoceansfromtheCCanadianArctictoBarentsandLaptevseas. E. b. nauticus Pallas, 1881 — Arctic and subarctic oceans E of Laptev Sea to the C Canadian Arctic, also petion Sea and Sea of Okhotsk S to Hokkaido, Japan.
Supplementary material 1 from: Fernandez-Triana J, Buffam J, Beaudin M, Davis H, Fernandez-Galliano A, Griffin E, Lin S-Y, McAulay MK, Richter R, Rodriguez F, Várkonyi G (2017) An annotated and illustrated checklist of Microgastrinae wasps (Hymenoptera, Braconidae) from the Canadian Arctic Archipelago and Greenland. ZooKeys 691: 49-101. https://doi.org/10.3897/zookeys.691.14491
Details of all studied specimens of Microgastrinae (Hymenoptera, Braconidae) from the Canadian Arctic Archipelago and Greenland :
Data from: No assortative mating based on size in black guillemots breeding in the Canadian Arctic
Open the record for dataset details and reuse information.
Data from: Projected polar bear sea ice habitat in the Canadian Arctic Archipelago
Open the record for dataset details and reuse information.
Data from: Extensive sampling of polar bears (Ursus maritimus) in the Northwest Passage (Canadian Arctic Archipelago) reveals population differentiation across multiple spatial and temporal scales
Open the record for dataset details and reuse information.
FIGURE 49 in Rhamphomyia Meigen of the Canadian Arctic Archipelago, Greenland and Iceland (Diptera: Empididae)
FIGURE 49. Known distribution of Rhamphomyia (Pararhamphomyia) ursinella Melander in North America.
FIGURE 52 in Rhamphomyia Meigen of the Canadian Arctic Archipelago, Greenland and Iceland (Diptera: Empididae)
FIGURE 52. Known distribution of Rhamphomyia herschelli Malloch in North America.
FIGURE 54 in Rhamphomyia Meigen of the Canadian Arctic Archipelago, Greenland and Iceland (Diptera: Empididae)
FIGURE 54. Known distribution of Rhamphomyia hirtula Zetterstedt in North America and Iceland.
FIGURE 29 in Rhamphomyia Meigen of the Canadian Arctic Archipelago, Greenland and Iceland (Diptera: Empididae)
FIGURE 29. Known distribution of Rhamphomyia (Pararhamphomyia) helleni Frey in North America.
FIGURE 61 in Rhamphomyia Meigen of the Canadian Arctic Archipelago, Greenland and Iceland (Diptera: Empididae)
FIGURE 61. Known distribution of Rhamphomyia setosa Coquillett in North America.
FIGURE 27 in Rhamphomyia Meigen of the Canadian Arctic Archipelago, Greenland and Iceland (Diptera: Empididae)
FIGURE 27. Rhamphomyia (Pararhamphomyia) helleni Frey. A. lectotype, lateral view; B. type labels.
FIGURE 50. Rhamphomyia herschelli Malloch. A in Rhamphomyia Meigen of the Canadian Arctic Archipelago, Greenland and Iceland (Diptera: Empididae)
FIGURE 50. Rhamphomyia herschelli Malloch. A. Lectotype, lateral view; B. Type labels.
FIGURE 4 in Rhamphomyia Meigen of the Canadian Arctic Archipelago, Greenland and Iceland (Diptera: Empididae)
FIGURE 4. Known distribution of Rhamphomyia (Ctenempis) albopilosa Coquillett in North America.
FIGURE 13 in Rhamphomyia Meigen of the Canadian Arctic Archipelago, Greenland and Iceland (Diptera: Empididae)
FIGURE 13. Known distribution of Rhamphomyia (Dasyrhamphomyia) leptidiformis Frey in North America.
Figure 3 in A gall mite, Aceria rhodiolae (Acari: Eriophyidae), altering the phytochemistry of a medicinal plant, Rhodiola rosea (Crassulaceae), in the Canadian Arctic
Figure 3. Prodorsal region, gnathosoma and legs of Aceria rhodiolae females from (B‒D) Nunavik, QC (Canada); (E) Labrador, NFLD (Canada); (F,G) Russia; and (H) Italy. (A) Line drawings, (B,C) scanning electron micrographs, (D) confocal light scanning microscopy, (E‒H) differential interference contrast light microscopy. Inset of (A) shows enlargement of empodia of leg I, and insets in (B) show enlargements of opisthosomal microtubercles and of dorsal gnathosoma. Notations in (A): ad, admedian line; sub II, submedian line II; tr, trochanter; so, solenidion; and others indicate setae of legs (femur to tarsus) and palp (coxal and genual setae). Arrows in (C) and (G) indicate characteristic ridges present in most (a) and some (b) specimens, respectively. The scale for images D‒H is indicated on (A) and the scale for (C) is the same as that on (B).
Figure 7 in A gall mite, Aceria rhodiolae (Acari: Eriophyidae), altering the phytochemistry of a medicinal plant, Rhodiola rosea (Crassulaceae), in the Canadian Arctic
Figure 7. Prodorsal region and genital coverflap (inset) of Aceria destructor female (differential interference contrast light microscopy). Arrows indicate characteristic ridges discernible in most (a) and some (b) specimens, respectively.
Figure 6 in A gall mite, Aceria rhodiolae (Acari: Eriophyidae), altering the phytochemistry of a medicinal plant, Rhodiola rosea (Crassulaceae), in the Canadian Arctic
Figure 6. Internal genitalia of Aceria rhodiolae female (A,D) and external and internal genitalia of male (B,C,E,F). (A) Line drawing based on both Russian and Nunavik females; differential interference contrast light microscopy (B,D,E) and confocal light scanning microscopy (C,F) from a Russian female (D) and Labrador males (B,C,E,F). aga, anterior genital apodeme; ch, genital chamber; ded, distal ejaculatory duct; eu, eugenital setae; gc, walls (collapsed) of genital channel (longitudinal bridge); oa, oblique apodeme; ped, proximal ejaculatory duct; sd, spermathecal duct; sp, spermatheca; ts, putative testis; vd, vasa deferentia. Figures A and D are on the same scale, and B‒C and E‒F are on the same scale.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.