Metadata : Land Resources NT Por 1918 (Juno Block), Tennant Creek

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Metadata Details:

Name: AS/NZS ISO 19115 Geographic Information - Metadata, ANZLIC Metadata Profile

Version: 1.0

Date Metadata Extracted: 2021-12-06

Date Metadata Last Updated: 2016-07-27

Current URL (HTML format) : http://www.ntlis.nt.gov.au/metadata/export_data?type=html&metadata_id=24D98A542D1935A1E050CD9B21443B98

Current URL (XML format) : http://www.ntlis.nt.gov.au/metadata/export_data?type=xml&metadata_id=24D98A542D1935A1E050CD9B21443B98


Citation

ANZLIC Identifier: 24D98A542D1935A1E050CD9B21443B98

Title: Land Resources NT Por 1918 (Juno Block), Tennant Creek

Citation Date: 2016-07-26

Date Type: creation

Custodian: Department of Environment, Parks and Water Security


Description

Abstract:

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.

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Spatial Domain:

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Dataset Status

Dataset ID:

Language: English

Character Set: Latin 1

Progress: underDevelopment

Maintenance and Update Frequency: notPlanned

Data Currency Start Date: 2015-06-01

Data Currency End Date: 2015-11-19

Access Constraint:

Download the spatial data package (contains spatial data, maps and reports) via https://data.nt.gov.au/

You are licensed to use the DENR geospatial products on the terms and conditions set out in: Creative Commons Attribution 4.0 International Public License (CC BY 4.0) at: https://creativecommons.org/licenses/by/4.0/legalcode

If you do not agree to the terms and conditions you must not use the geospatial products.

You are free to copy, communicate and adapt the licensed material, provided that you abide by the licence terms (including Attribution) and attribute the licensed material using the statement:

Supplied by the Department of Environment and Natural Resources. Copyright Northern Territory Government.


Data Quality

Lineage: Map 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.

Positional Accuracy: POLYGON 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.

Attribute Accuracy: The 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.

Logical Consistency: GIS 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.

Completeness: Complete


Contacts

NameOrganisationPositionRolePhoneFaxEmail
Data Requests OfficerDepartment of Environment, Parks and Water SecurityGeospatial Services Branch (on behalf of department)distributordatarequests.depws@nt.gov.au

Data Dictionary

AttributeAttribute DescriptionPossible CodeCode Description
LAND_CAPAlias: Land Capabiltiy Class
A limitation class is assigned to key land characteristics; slope, rock outcrop, soil depth, drainage and erosion risk. Each land unit is then assigned the highest limitation class to describe the general land capability class.
1 - HighSuitable land with minimal limitations. Highly productive requiring only low management practices. Slope 0-1%; and rock outcrop - nil; and soil depth >1.5 m; and soil drainage - rapid to well; and erosion risk - low.
2 - ModerateSuitable land with only moderate limitations. Will require minor management practices. Slope 1-3%; and/or rock outcrop - 0-2%; and/or soil depth 0.5 - 1.5 m; and/or soil drainage - moderate; and/or erosion risk - minor.
3 - MarginalLand having severe limitations. Will require major management practices. Slope 3-10%; and/or rock outcrop - 2-10%; and/or soil depth 0.25-0.5 m; and/or soil drainage - imperfect to poor; and/or erosion risk - high.
4 - UnsuitableLand not suitable for Agriculture, having extreme limitations. This includes undisturbed land with significant habitats, erosion risk due to steep slopes, soil depth, rocky outcrops, and poor drainage. Slope >10%; and/or rock outcrop - >10%; and/or soil depth <0.25 m; and/or soil drainage - very poor; erosion risk - very high.
LAND_UNITAlias: Land Unit
The LAND_UNIT field is the land unit label from the spatial dataset (ie 9a2).
LF_CLASSAlias: Landform Class
Landform class is a system adopted by the department. The categories do not conform to national criteria even though some have been sourced from Australian Soil and Land Survey - Field Handbook (Mc Donald et.al. 1998).
LF_DESCAlias: Landform Description
Landform description includes details about landform, and general notes pertaining to slope, surface gravel and other details describing the land unit.
SOILAlias: Dominant Soil Order
The dominant soil order described in a land unit is recorded.
SOIL_DESCAlias: Soil Description
Soil description includes an ASC or Northcote/other soil classification and usually includes colour, soil depth and other notes describing the soil.
SOIL_SYSAlias: Soil Classification System
The soil classification system used to describe the soil in the land unit description
SURVEY_IDAlias: Survey Identifier
A department code that usually refers to the first five characters from the original survey site sheet.
SURVEY_NMEAlias: Survey Name
The name of the survey area or report to which the mapping refers

Supplementary Information

Department Survey Code (Land Units): JUNO_20

Bibliographic Reference:
Riddell, W. and Easey, D. (2016)
Land Resources of NT Portion 1918 (Juno Block), Tennant Creek.
Technical Report 3/2016D, Department of Land Resource Management, Darwin, Northern Territory.

The technical report is available for download (PDF) via the Northern Territory Library, http://hdl.handle.net/10070/262460

This record maintained using the NTLIS Metadata Tool