Metadata : Soil Survey and Capability Assessment of the Upper Katherine River Area for Irrigated Horticulture

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Metadata Details:

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

Version:1.0

Date Metadata Extracted:2024-04-24

Date Metadata Last Updated:2012-07-27

Current URL (HTML format) : http://www.ntlis.nt.gov.au/metadata/export_data?type=html&metadata_id=2DBCB771210306B6E040CD9B0F274EFE

Current URL (XML format) : http://www.ntlis.nt.gov.au/metadata/export_data?type=xml&metadata_id=2DBCB771210306B6E040CD9B0F274EFE


Citation

ANZLIC Identifier:2DBCB771210306B6E040CD9B0F274EFE

Title:Soil Survey and Capability Assessment of the Upper Katherine River Area for Irrigated Horticulture

Citation Date:2000-01-14

Date Type:publication

Custodian:Department of Environment, Parks and Water Security


Description

Abstract:

This spatial dataset, surveyed at a scale of 1 : 25 000, provides polygon information on the map unit boundaries of the Upper Katherine River Area, Northern Territory, over an area of 315km2. The accompanying report provides a detailed inventory and evaluation of the land resources of the immediate catchment surrounding the Katherine River, from the western boundary of Nitmiluk National Park to the King River junction. It is designed as a tool for planners, agriculturalists and landholders, to use in the identification and characterisation of both present and potential horticultural land.

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Spatial Domain:

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Dataset Status

Dataset ID:ANZNT0782000109

Language:English

Character Set: Latin 1

Progress:completed

Maintenance and Update Frequency:notPlanned

Data Currency Start Date:1986-01-01

Data Currency End Date:2006-06-28

Access Constraint:

Download the spatial data package (contains spatial data, maps and reports) via 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: 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:Original map unit boundaries delineated from aerial photographs and stereoscope interpretation. Map units transferred to topographic map sheets via a mapograph. Original maps were hardcopy only. With the advent of geographic information systems polygons were digitised by rectifying the original hard copy maps.

Map unit boundaries derived using hard copy aerial photography and stereoscope, satellite imagery (post 1993), geological and topographic maps. Field data (site data) described and classified according to national standards at the time of capture.

Map unit polygons collected via geographic information system (ESRI software suite of products)

Positional Accuracy:POLYGON DATA

Map unit boundaries transferred from aerial photographs to topographic maps, using the best available topographic mapping at the time (generally 1:100 000) via a mapograph. Level of accuracy depends on the number of control points on individual aerial photographs. Control points include creek lines, cadastre and other topographic features. Depending on the nature of the landscape (the number of control points), positional accuracy may vary. Positional accuracy generally considered moderate to high.

POINT SOURCE DATA

Survey teams navigated during field operations with topographic maps, aerial photographs and prismatic compass's. Point source locations marked on aerial photography in the field. Positional accuracy considered within 300m but generally below 200m depending on the terrain. Site coordinates derived by transferring site locations from aerial photographs to topographic maps and coordinates calculated. In some cases sites have been georeferenced directly from aerial photography to Google Earth Web Map Server in MapInfo or ArcGIS.

Attribute Accuracy: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.

Logical Consistency:GIS editing tools were used to rectify all overshoots and undershoots in linework. Using 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, Parks and Water SecurityGeospatial Services Branch (on behalf of department)distributordatarequests.depws@nt.gov.au

Data Dictionary

No data dictionary defined for this dataset

Supplementary Information

NRETAS Survey Id Soils: LEVEE_25 No. of survey sites: 365

Bib Ref: Burgess J.W. (1988) in preparation; SOIL SURVEY AND CAPABILITY ASSESSMENT OF THE UPPER KATHERINE RIVER AREA FOR IRRIGATED HORTICULTURE (1988); Land Conservation Unit, Conservation Commission of the Northern Territory.

Report (pdf) can be viewed/downloaded from the Northern Territory Library hdl.handle.net/10070/229083

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