24D98A542D1935A1E050CD9B21443B98EnglishData Requests OfficerDepartment of Environment, Parks and Water SecurityGeospatial Services Branch (on behalf of department)datarequests.depws@nt.gov.au2016-07-27AS/NZS ISO 19115 Geographic Information - Metadata, ANZLIC Metadata Profile1.0 Land Resources NT Por 1918 (Juno Block), Tennant Creek2016-07-26 This polygon spatial dataset provides information on the land unit boundaries of NT Portion 1918 (Juno Block), Northern Territory and describes dominant landform and soils. The land resource assessment does not include vegetation descriptions.
The survey area of 10.2 km2 is located approximately 5 km south east of the Tennant Creek township. The field survey was undertaken in 2015 at a mapping scale of 1:20,000.
CAUTION: When assessing specific areas within the mapping it is recommended a site inspection is undertaken to establish unmapped variation and confirm mapping accuracy on the ground. The mapping does not indicate, imply or ascertain the likelihood of groundwater availability or the granting of appropriate water extraction licensing needed to satisfy the irrigation requirements of the potential agricultural development options needed.
Download the spatial data package (contains spatial data, maps and reports) via https://data.nt.gov.au/
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Supplied by the Department of Environment and Natural Resources. Copyright Northern Territory Government.English-19.6989-19.6686134.2207134.27072015-06-012015-11-19datasetnot knownComplete0not knownGIS editing tools were used to rectify all overshoots and undershoots in line work. Polygon topology rules applied are; must not overlap, must not have gaps and each polygon has only one label.0not knownPOLYGON DATA
Map unit boundaries digitised on screen directly from digital rectified field maps. Level of accuracy depends on the number of control points on individual map sheets. Control points exclusively used Map Grid of Australia (MGA) grid lines. Depending on the nature of the landscape (the number of control points), positional accuracy may vary. Positional accuracy generally considered high to very high.
POINT DATA
Site point coordinates derived from a geographic positioning system with general accuracy of within 10-50m.0not knownThe attribute information conforms to the 'Australian Soil and Land Survey Field Handbook' at time of capture.
Attributes assigned according to the dominant feature. For example, where ten sites have been grouped to describe a particular map unit and two different soils described from these sites then the dominant soil is chosen. Attribute values, as described in the Data Dictionary below, have been added to each polygon.
The general land capability class is assessed by evaluating five key land characteristics; slope, rock outcrop, soil depth, soil drainage and erosion risk. Descriptions for each have been added to the land unit. For further information about this, refer to Chapter 5, Land Capability, in the report.0Map unit boundaries delineated from digital satellite imagery (WorldView-2) and digital elevation model (SRTM-derived 1 second Smoothed DEM). Preliminary linework was captured on field map sheets. Field map sheets incorporated digital satellite imagery and DEM layers. Field map sheets with final linework were scanned and rectified. Linework digitised on screen directly from field map sheets.
Map unit boundaries derived using digital satellite imagery, DEM, geological and topographic data. Field data (site information) described and classified according to national standards at the time of capture.
Map unit polygons collected via geographic information system (ArcGIS/MapInfo). Core landform, soil and vegetation attributes attached to map units with additional attributes unique to individual surveys.