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Metadata : Northern Territory Statewide Imagery - Landsat |
Index:
Metadata Details:
Name:AS/NZS ISO 19115 Geographic Information - Metadata, ANZLIC Metadata Profile
Version:1.0
Date Metadata Extracted:2025-05-13
Date Metadata Last Updated:2020-03-13
Current URL (HTML format) : http://www.ntlis.nt.gov.au/metadata/export_data?type=html&metadata_id=FAE5748AD0DA2D04E040CD9B21445CB6
Current URL (XML format) : http://www.ntlis.nt.gov.au/metadata/export_data?type=xml&metadata_id=FAE5748AD0DA2D04E040CD9B21445CB6
Citation
ANZLIC Identifier:FAE5748AD0DA2D04E040CD9B21445CB6
Title: Northern Territory Statewide Imagery - Landsat
Citation Date:2009-12-14
Date Type:creation
Custodian:Department of Industry, Tourism and Trade
Description
Landsat Thematic Mapper (TM) images from the public domain have been geolocated for integration with NTGS geoscientific data.
No processing of these images has been done at NTGS .
An index has been generated to show the combined spatial coverage of the landsat datasets, data of capture of individual scenes and availability.
- geoscientificInformation
- imageryBaseMapsEarthCover
Bounding Coordinates:
- North Bounding Coordinate:-11
- South Bounding Coordinate:-26
- East Bounding Coordinate:138
- West Bounding Coordinate:129
Dataset Status
Dataset ID:
Language:English
Character Set: Latin 1
Progress:completed
Maintenance and Update Frequency:notPlanned
Data Currency Start Date:2000-01-01
Data Currency End Date:2007-12-31
Access Constraint:Copyright Northern Territory of Australia (Northern Territory Geological Survey) 2020
With the exception of the Northern Territory of Australia logo, other government and corporate logos and where otherwise noted, all material in this publication is provided under a Creative Commons Attribution 4.0 International licence (creativecommons.org/licenses/by/4.0/legalcode).
You are free to re-use the work under the licence, on the condition that you attribute the Northern Territory of Australia (Northern Territory Geological Survey) and comply with the other licence terms.
Disclaimer: While all care has been taken to ensure that information contained in this publication is true and correct at the time of publication, changes in circumstances after the time of publication may impact on the accuracy of its information. The Northern Territory of Australia gives no warranty or assurance, and makes no representation as to the accuracy of any information or advice contained in this publication, or that it is suitable for your intended use. You should not rely upon information in this publication for the purpose of making any serious business or investment decisions without obtaining independent and/or professional advice in relation to your particular situation. The Northern Territory of Australia disclaims any liability or responsibility or duty of care towards any person for loss or damage caused by any use of, or reliance on the information contained in this publication.
Data Quality
Lineage:Landsat TM, or 'thematic mapper' data was collected in six or seven bands by a series of satellite-borne instruments in the 80s and 90s, now replaced by the Aster instruments on board the Terra satellites.
Images with red, green and blue assigned to bands 7, 4 and 1 are commonly used in mineral exploration as satisfactorily expressing the mineral variation in the surface. Images using bands 742 are more commonly used for land use, as they express the vegetation more than 741.
PC1, or the first principal component, tends to express the bright-and-dark caused by sun shading. Consequently, PC2 tends to represent the next strongest remaining variation across the image. As the surface of the Northern Territory is mainly naked soil, so PC2 is expected to express net mineral variation. Ratios of bands 5 on 4 and 1 on 7 express variation between minerals. See elsewhere for information on "band ratios".
Positional Accuracy:Landsat data is collected by scanner in swaths which are geolocated by comparison with ground features. Location accuracy is only trusted to 100 m or so in NTGS work. See elsewhere for more authoritative estimates of positional accuracy.
Attribute Accuracy:Landsat bands are separated out by diffraction gratings, which pass the various bands in Gaussian distributions such that most bands overlap somewhat. The wavelengths quoted in Landsat metadata allude to the centre of the band.
Logical Consistency:Not Applicable
Completeness:Not Applicable
Contacts
Name Organisation Position Role Phone Fax Manager Geoscience Business Systems Department of Industry, Tourism and Trade Manager Geoscience Business Systems custodian (08) 8999 5448 (08) 8999 6824 geoscience.spatial@nt.gov.au
Data Dictionary
No data dictionary defined for this dataset
Supplementary Information
Search Words: Landsat, TM, 741, 742, band ratios, Principle Components, Index
Original Landsat data sourced from Gesoscience Australia.
This record maintained using the NTLIS Metadata Tool