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Gross biological volume - hardwood (GBVHWD) is an expression of in-the-tree stem hardwood volume (m3) on a per-hectare basis. Calculated from the ground to the tip. Available here as a raster (GeoTIF) with a 20 m pixel resolution. Download: Here The Saskatchewan Ministry of Environment, Forest Service Branch, has developed a forest resource inventory (FRI) which meets a variety of strategic and operational planning information needs for the boreal plains. Such needs include information on the general land cover, terrain, and growing stock (height, diameter, basal area, timber volume and stem density) within the provincial forest and adjacent forest fringe. This inventory provides spatially explicit information as 10 m or 20 m raster grids and as vectors polygons for relatively homogeneous forest stands or naturally non-forested areas with a 0.5 ha minimum area and a 2.0 ha median area. Gross biological volume per hectare - hardwood (GBVHWD) is an expression of in-the-tree stem hardwood volume (m3) on a per-hectare basis. Calculations are made from the ground to the tip. GBVHWD is available here as a color-mapped 16-bit unsigned integer raster grid in GeoTIFF format with a 20 m pixel resolution. An ArcGIS Pro layer file (*.lyrx) is supplied for viewing GBVHWD data in the following 50 m3/ha categories. Domain: [NULL, 0…1000]. RANGE LABEL RED GREEN BLUE 0 <= GBVHWD < 25 0 NA NA NA 25 <= GBVHWD < 75 50 63 81 181 75 <= GBVHWD < 125 100 66 101 160 125 <= GBVHWD < 175 150 68 121 138 175 <= GBVHWD < 225 200 71 140 117 225 <= GBVHWD < 275 250 74 160 96 275 <= GBVHWD < 325 300 85 178 79 325 <= GBVHWD < 375 350 123 191 74 375 <= GBVHWD < 425 400 161 203 70 425 <= GBVHWD < 475 450 198 216 66 475 <= GBVHWD < 525 500 236 229 61 525 <= GBVHWD < 575 550 255 226 53 575 <= GBVHWD < 625 600 255 209 40 625 <= GBVHWD < 675 650 255 191 28 675 <= GBVHWD < 725 700 255 174 16 725 <= GBVHWD < 775 750 255 156 3 775 <= GBVHWD < 825 800 253 139 9 825 <= GBVHWD < 875 850 251 121 20 875 <= GBVHWD < 925 900 249 103 31 925 <= GBVHWD < 975 950 246 85 43 975 <= GBVHWD <= 1000 1000 244 67 54 For more information, see the Forest Inventory Standard of the Saskatchewan Environmental Code, Forest Inventory Chapter.
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A digital terrain model (DTM) is a digital representation of elevations throughout the Province. DTM files contain elevation mass points, check points, spot heights and random densified points. The spacing between the elevation points is approximately 70 metres and the absolute vertical accuracy of a single elevation point is approximately 2.5 metres. The elevations are expressed as metres above mean sea level.
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Total magnetic field, Flat River Aeromagnetic Survey, NTS 95 E (south half), Yukon
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This map presents an interpretation of the bedrock geology of the Livingstone Creek area that has been revised from a previous Open File map (YGS OF2005-9). The revised interpretation was guided by the acquisition of a detailed VTEM Plus geophysical survey over the area in spring 2016 (YGS OF2016-34 and 35; 200 m line spacing). The detailed magnetic data were particularly useful for increasing the accuracy of contact locations, and identifying additional structures. The electromagnetic survey identifies a number of conductors across the area, some of which remain unexplained (see Colpron et al. in YEG 2016 for discussion). Bedrock exposure is locally hindered by Quaternary glacial and fluvial sediments, particularly in the South Big Salmon valley. Projection of the geology is guided by the geophysics in areas of extensive cover.
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Residual total magnetic field, Aeromagnetic Survey of the Scroggie Creek and Wolverine Creek Areas, NTS 115O/2 and part of 115O/3
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This map of the total magnetic field was derived from data acquired during an aeromagnetic survey carried out by EON Geosciences Inc. in the period between April 10, 2009 and September 16, 2009. The data were recorded using split-beam cesium vapour magnetometers (sensitivity =0.005 nT) mounted in each of the tail booms of a Piper Navajo and a Cessna 206 aircraft. The nominal traverse and control line spacings were, respectively, 800 m and 2 400 m, and the aircraft flew at a nominal terrain clearance of 250 m. Traverse lines were oriented N90?E with orthogonal control lines. The flight path was recovered following post-flight differential corrections to the raw Global Positioning System data and inspection of ground images recorded by a vertically-mounted video camera. The survey was flown on a pre-determined flight surface to minimize differences in magnetic values at the intersections of control and traverse lines. These differences were computer-analysed to obtain a mutually levelled set of flight-line magnetic data. The levelled values were then interpolated to a 200 m grid. The International Geomagnetic Reference Field (IGRF) was not removed from the magnetic field.
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First vertical derivative of the magnetic field, Aeromagnetic Survey of the Scroggie Creek and Wolverine Creek Areas, NTS 115O/8 and part of 115O/7
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Forest stands (FSTAND) is a vector delineation of relatively homogeneous forest stands or naturally non-forested areas as polygons with a 0.5 ha minimum area and a 2.0 ha median area, in a zipped file geodatabase format. Download: Here The Saskatchewan Ministry of Environment, Forest Service Branch, has developed a forest resource inventory (FRI) which meets a variety of strategic and operational planning information needs for the boreal plains. Such needs include information on the general land cover, terrain, and growing stock (height, diameter, basal area, timber volume and stem density) within the provincial forest and adjacent forest fringe. This inventory provides spatially explicit information as 10 m or 20 m raster grids and as vectors polygons for relatively homogeneous forest stands or naturally non-forested areas. Forest stands (FSTAND) is a vector delineation of relatively homogeneous forest stands or naturally non-forested areas as polygon with a 0.5 ha minimum area and a 2.0 ha median area, in a zipped file geodatabase format. For more information, see the Forest Inventory Standard of the Saskatchewan Environmental Code, Forest Inventory Chapter.
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First vertical derivative of the magnetic field, Aeromagnetic Survey of the Scroggie Creek and Wolverine Creek Areas, NTS 115O/6 and part of 115O/7
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This map of the residual total magnetic field was derived from data acquired during an aeromagnetic survey carried out by Goldak Airborne Surveys during the period May 16, 2009 to July 1, 2009. The data were recorded using a split-beam cesium vapour magnetometer mounted in the tail boom of a Piper Navajo aircraft. The nominal traverse and control line spacings were 400 m and 2400 m, respectively, and the aircraft flew at a nominal terrain clearance of 150 m.