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ShareScore release 0.9.0
Dataset results
11 results for “northwestern Canada”
Higgins et al. 2024 study on dissolved organic matter controls and effects at the IISD Experimental Lakes Area, Northwestern Ontario, Canada, 1970-2019
This dataset represents long-term ecological reserch data collected at the IISD Experimental Lakes Area, Northwestern Ontario, Canada (1970 - 2019) used to support a research study reported in (Higgins et al. 2024). The study examines the relationships between long-term changes in precipitation, dissolved organic matter (DOM) loading and lake concentrations, and various physical, chemical and biological indicators.
AGB_VM: 0.25-degree gridded annual aboveground biomass estimates in Alaska and northwestern Canada 2003-2017..
<p>Gridded 0.25-degree annual estimates of aboveground vegetation biomass (AGB) for diverse arctic and boreal ecosystems in Alaska and northwestern Canada years 2003-2017. AGB was estimated from integrated microwave vegetation optical depth (VOD) (Vegetation Optical Depth Climate Archive (VODCA) (Moesinger et al., 2020)) and optical-multispectral vegetation indices from the MODerate Resolution Imaging Spectroradiometer (MODIS) satellite remote sensing datasets. This work was conducted through NASA's Arctic and Boreal Vulnerability Experiment (ABoVE). </p>
Data from: Rate of permafrost thaw and associated plant community dynamics in peatlands of northwestern Canada
<p>This dataset was collected to document the changing plant community, and associated environmental factors, as warming climate conditions accelerate permafrost thaw in northern peatland environments. Due to the insulative properties of dry, surface peat layers, discontinuous permafrost is preferentially found in peatlands, termed peat plateaux, where the volumetric expansion of ice-rich permafrost has resulted in a raised, dry ground surface dominated by lichens and, often, stunted black spruce forests. As ground temperatures warm, and the ice-rich permafrost thaws, the ground surface sinks to, or below, the water table, and these peat plateau environments change dramatically from black spruce and lichen-dominated peat plateaux to treeless moss- and sedge-dominated collapse scar environments. Data are from a set of 17 sites distributed along a latitudinal gradient in the Mackenzie Valley of Northwestern Canada. At each site, a transect of five to nine contiguous 1x1m quadrats was sampled, spanning the transition from peat plateau to collapse scar environments and, thus, capturing the zone of active permafrost thaw within peat plateaux as they transition to collapse scars. Fourteen of these sites were sampled at two time periods: 2007 and 2008 (T1: time 1), and 2017 and 2018 (T2: time 2) enabling an assessment of 10-year changes (9 years for one site). This dataset includes quadrat-level measurements of plant community composition (percent cover by species), frost depth, water table depth, peat depth, soil moisture, and canopy cover. Site level measurements consist of maximum peat depth, along with pH and electrical conductivity of collapse scar water samples, as well as the annual rate of lateral permafrost thaw. We also include basic site location parameters, as well as several climatic parameters, interpolated for each site using BioSIM software.</p>
Data from: Rate of permafrost thaw and associated plant community dynamics in peatlands of northwestern Canada
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FIGURE 2 in Jardamarekia enigma, a new Early Devonian tryblidioidean from Royal Creek area (Yukon Territory, Canada), and paleobiogeography of the Early Devonian of northwestern Canada
FIGURE 2. Jardamarekia enigma sp. nov. from middle Early Devonian (Pragian) age strata of the Road River Formation in the Royal Creek area, Yukon Territory, Canada. The species is from interval 142.0–150.0 m of section 1 (Fig. 1A). Holotype GSC 134793: A–C, F, H–N, shell length 18 mm, width 14 mm, height 10 mm; figure width of shell details: H—11 mm, I—10 mm, J—8 mm, K—3,5 mm, L—10 mm, M, N—3 mm. Paratype: GSC 134794: D–E, G, shell length 26 mm, width 21 mm, height 11 mm.
FIGURE 1. A—Stratigraphic section 1 showing a in Jardamarekia enigma, a new Early Devonian tryblidioidean from Royal Creek area (Yukon Territory, Canada), and paleobiogeography of the Early Devonian of northwestern Canada
FIGURE 1. A—Stratigraphic section 1 showing a distribution of all hitherto described molluscs species from Royal Creek, northern Yukon. B—Generalized maps showing location of section 1 (asterisk) in the Yukon Territory, Canada. Modified from Lenz (1977b).
Crocus snowpack simulations across southwestern Canada and northwestern US
<p>The simulated snowpack properties (snow water equivalent, snow depth) were obtained from the detailed snowpack model Crocus (Vionnet et al., 2012; Lafaysse et al., 2017), implemented in the SVS land surface scheme version 2 (Soil Vegetation and Snow; Garnaud et al., 2019). Snowpack simulations were carried out from 1 September 2019 to 30 June 2020 over a grid covering southwestern Canada and northwestern US at 2.5-km grid spacing. The simulations were driven by short-meteorological forecast from the High-Resolution Deterministic Prediction System (HRDPS; Milbrandt et al., 2016) combined with precipitation estimates from the Canadian Precipitation Analysis (Fortin et al., 2018). Four precipitation-phase partitioning methods (PPMs) were used to derive the liquid and solid precipitation rates from the total precipitation available in the atmospheric forcing. More details about the simulations are and the PPMS given in the readme file included in the dataset.</p> <p>This dataset has been used in a study submitted to Water Resources Research (Vionnet et al, 2022).</p> <p><strong>References: </strong></p> <p>Fortin, V., Roy, G., Stadnyk, T., Koenig, K., Gasset, N., & Mahidjiba, A. (2018). Ten years of science based on the Canadian precipitation analysis: A CaPA system overview and literature review. <em>Atmosphere-Ocean</em>, <em>56</em>(3), 178-196.</p> <p>Garnaud, C., Bélair, S., Carrera, M. L., Derksen, C., Bilodeau, B., Abrahamowicz, M., ... & Vionnet, V. (2019). Quantifying snow mass mission concept trade-offs using an observing system simulation experiment. <em>Journal of Hydrometeorology</em>, <em>20</em>(1), 155-173.</p> <p>Milbrandt, J. A., Bélair, S., Faucher, M., Vallée, M., Carrera, M. L., & Glazer, A. (2016). The pan-Canadian high resolution (2.5 km) deterministic prediction system. <em>Weather and Forecasting</em>, <em>31</em>(6), 1791-1816.</p> <p>Lafaysse, M., Cluzet, B., Dumont, M., Lejeune, Y., Vionnet, V., & Morin, S. (2017). A multiphysical ensemble system of numerical snow modelling. <em>The Cryosphere</em>, <em>11</em>(3), 1173-1198.</p> <p>Vionnet, V., Brun, E., Morin, S., Boone, A., Faroux, S., Le Moigne, P., ... & Willemet, J. M. (2012). The detailed snowpack scheme Crocus and its implementation in SURFEX v7. 2. <em>Geoscientific Model Development</em>, <em>5</em>(3), 773-791.</p> <p>Vionnet, V., Verville, M., Fortin, V., Brugman, M., Abrahamowicz, M., Lemay, F., Thériault, J.M., Lafaysse M., and Milbrandt, J.A. : Snow level from post-processing of atmospheric model improves snowfall estimates and snowpack predictions in mountains, <em>Water Resources Research</em>, 2022, Accepted with minor revisions</p> <p> </p>
FIGURE 1. Trigonotylus species. A–G in Two new species of Trigonotylus (Hemiptera: Heteroptera: Miridae: Stenodemini) from western Canada and northwestern United States
FIGURE 1. Trigonotylus species. A–G. Antenna, dorsal view, scale = 0.5 mm. A. T. americanus. B. T. antennatus. C. T. caelestialium. D. T. exilis. E. T. flavicornis. F. T. setosus. G. T. viridis. H–I. Dorsal habitus, scale = 2.0 mm. H. T. exilis. I. T. setosus. J–K. Endosoma, left lateral view, scale = 0.2 mm. J. T. exilis. K. T. setosus.
Plant and insect assemblages in mixedwood Boreal forest at the Zama silvicultural experiment site in northwestern Alberta, Canada
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FIGURE 2 in Two new species of Trigonotylus (Hemiptera: Heteroptera: Miridae: Stenodemini) from western Canada and northwestern United States
FIGURE 2. Male genitalia of Trigonotylus species.
Permafrost Map for Northwestern Canada (Mackenzie Region), Version 1
The Permafrost Map for Northwestern Canada (Mackenzie Region) is a digital version of the 1:1,000,000 map produced by Heginbottom and Radburn [Heginbottom, J.A. and Radburn, L.K. (compilers) 1992. Permafrost and ground ice conditions of northwestern Canada; Geological Survey of Canada, Map 1691A, scale 1:1 000 000.] The map provides information on permafrost distribution and ground ice conditions in the Mackenzie Region of northwestern Canada. The data set comprises three data layers: maps of permafrost zones, rivers, and lakes. The map themes (layers) are in the ESRI Shapefile spatial data format (ArcView files). The permafrost map codes continuous, discontinuous, intermediate, sporadic, and isolated permafrost, and glaciers. Data are available via ftp
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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.