Metadata : Land Use Mapping Project of the Northern Territory, 2008 (LUMP)

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Metadata Details:

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

Version: 1.0

Date Metadata Extracted: 2020-11-30

Date Metadata Last Updated: 2020-05-08

Current URL (HTML format) : http://www.ntlis.nt.gov.au/metadata/export_data?type=html&metadata_id=2DBCB77120F606B6E040CD9B0F274EFE

Current URL (XML format) : http://www.ntlis.nt.gov.au/metadata/export_data?type=xml&metadata_id=2DBCB77120F606B6E040CD9B0F274EFE


Citation

ANZLIC Identifier: 2DBCB77120F606B6E040CD9B0F274EFE

Title: Land Use Mapping Project of the Northern Territory, 2008 (LUMP)

Citation Date: 2000-01-14

Date Type: publication

Custodian: Department of Environment and Natural Resources


Description

Abstract:

This polygon spatial dataset provides information on the land use boundaries for the Northern Territory. This dataset was created from several other datasets and expert knowledge. It is the first Territory-wide land use dataset based upon the Australian Land Use and Management (ALUM) Classification (version 6).

Mapping was carried out in accordance with "Land Use Mapping at Catchment Scale: Principles, Procedures and Definitions (Edition 3)" (BRS, 2006). Land use boundaries were created from local knowledge, aerial photographs, satellite imagery, ancillary datasets and fieldwork. The Northern Territory was mapped at three different scales, depending upon the intensity of land use and the resolution needed by likely clients of this dataset. The Peri-urban Intensive Agricultural and Urban Zones around Darwin, Katherine and Alice Springs were mapped at 1:25,000; the Northern Agricultural Zone mostly comprising the Katherine-Daly Region was mapped at 1:100,000; whilst the Pastoral Zone and the remainder of the Northern Territory was mapped at a scale of 1:250,000. For mapping of the Peri-urban Intensive Agricultural Zone 2 additional land use code fields (Luc_2 and Luc_3) were used to record multiple land uses and attributed using ALUMC Version 6. A proportional value of the areal extent for each land use is included in a separate field. Significant natural and man-made water bodies (lakes and reservoirs) greater than the minimum mapping unit (5625m2) from the AUSLIG Geodata Topo-250K Series 3 were incorporated.

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Dataset Status

Dataset ID: ANZNT0782000075

Language: English

Character Set: Latin 1

Progress: completed

Maintenance and Update Frequency: notPlanned

Data Currency Start Date: 1994-01-01

Data Currency End Date: 2008-12-16

Access Constraint: This spatial dataset has been archived and is available upon request via email datarequests.DENR@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: The NT Digital Cadastre was obtained from NTLIS as Arc/Info coverage in GDA94 on 5/12/2001. Horizontal positional accuracy was determined by 10 survey control points in the Darwin, Casuarina, Palmerston, Humpty Doo and Alice Springs areas - accuracy of the cadastre was within 0.25 secs of arc for all survey points.

The dataset was divided into two zones along longitude 132 degrees and reprojected into MGA Zones 52 and 53. The Zone 52 coverage was then clipped into 8 coverages for mapping. 6 coverages based on the Auslig 1:100,000 series topographic maps of Darwin (5073), Koolpinyah (5173), Mary River (5272), Fog Bay (4972), Bynoe (5072), Noonamah (5172) for mapping at 1:25,000. The Northern Agricultural Zone mostly comprising the Douglas Daly Basin was clipped from the MGA94-52 and 53 coverages to include all or part of the following Auslig 1:250,000 scale topographic map sheets - Katherine (SD53-09), Pine Creek (SD52-08), Cape Scott (SD52-07) & Fergusson River (SD52-12). The rest of the Territory was mapped as two coverages at 1:250,000.

The Peri-urban Intensive Agricultural Zones covering parts of the Katherine (5369), Manbulloo (5368) and Alice Springs (5659) topographic map sheets were not clipped from the larger covers. The latest scanned digital aerial photographs were obtained and were ortho-rectified using the NT cadastre and a generated DEM, later mosaic in ER Mapper 6.2. RMS errors were less than 5m. Throughout the project area the Australian Greenhouse Office Year 2000 mosaic of Landsat 7 ETM imagery was utilised where aerial photography was not available.

On 6/11/2006 another copy of the NT Digital Cadastre was downloaded from the Spatial Database as shape file in GDA94. The original land use datasets from 1994 was combined with this updated cadastre and changes in the new cadastre were located and edited and spatially corrected. Attribute information was also updated based on ALUMC Version 6.

Positional Accuracy: Land use boundaries digitised on screen directly from digital rectified aerial photographs, topographic base map, NT cadastre, GPS and NTLIS Survey Control Points. Level of accuracy for urban and peri-urban zone is +/-2m and pastoral zone is +/-1000m. Positional accuracy was checked against Survey Control Points' supplied NTLIS and generally considered high to very high.

Attribute Accuracy: The accuracy of the attribute information is considered high and conforms to the 'Land Use Mapping at Catchment Scale: Principles, Procedures and Definitions (Edition 3)' (BRS, 2006) at time of capture, overall attribute accuracy is greater than 80%.

Logical Consistency: GIS editing tools were used to rectify all overshoots and undershoots in linework. ArcInfo topological consistency checks were performed to detect flaws in the spatial data structure. The coverage was cleaned, to eliminate any duplicates arcs. The coverage was built for arcs and polygon topologies. A label errors routine was run to detect unlabelled polygons. A node errors routine was run to identify pseudo nodes and dangles. Checks were done to unsure that all classified polygons are closed, nodes are formed at intersections of lines and that each polygon has only one label.

Completeness: Complete


Contacts

NameOrganisationPositionRolePhoneFaxEmail
Data Requests OfficerDepartment of Environment and Natural ResourcesGeospatial Services Branch, Water Resources Divisiondistributordatarequests.denr@nt.gov.au

Data Dictionary

AttributeAttribute DescriptionPossible CodeCode Description
DATEDate of spatial feature (e.g. image date, air photo date, ancillary data date)
LUC_DATELand use classification date.
LU_CODELand Use Code. Based on the Australian Land Use and Management Classification Version 6. For more details see http://adl.brs.gov.au/mapserv/landuse/
LU_DESCRIPTIOLand use code description
RELIABILITReliability of attribute:
1 = field mapping/local knowledge
2 = ancillary dataset
3 = air photo
4 = SPOT imagery
5 = Landsat ETM/TM
6 = other
SCALEScale of source data

Supplementary Information

(LUMP) Land Use Mapping Project of the NT 2003 and 2008 data summary.

Owen, G.A. and Meakin, C.F. 2003, Land Use Mapping of the Northern Territory, Report No. 02/2003D, Department of Infrastructure, Planning and Environment, Darwin, NT
Berghout, M. Robinson, H. and Owen, G. 2008; Revised Land Use Mapping of the Northern Territory; Tech Report No. 20/2008D; Department of Natural Resources, Environment, the Arts and Sport; Darwin, NT

The department's technical reports are available for download (pdf) via the Northern Territory Library
Land Use Mapping 2003 - http://hdl.handle.net/10070/229324
Revised Land Use Mapping 2008 - http://hdl.handle.net/10070/230346

This record maintained using the NTLIS Metadata Tool