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ELEVATION_NAMOI_1_M_DEM_2013_SFA208
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ISO 19139 Metadata Implementation Specification GML3.2
series
Data Management
Murray-Darling Basin Authority
Spatial Data
1800 630 114 (free call)
GPO Box 1801
Canberra
ACT
2601
AU
gis@mdba.gov.au
20211018
ArcGIS Metadata
1.0
Data Management
Murray-Darling Basin Authority
Spatial Data
1800 630 114 (free call)
GPO Box 1801
Canberra
ACT
2601
AU
gis@mdba.gov.au
ELEVATION_NAMOI_1_M_DEM_2013_SFA208
LiDAR, Imagery and derived products for Namoi Valley Floodplains
2013-09-24T00:00:00
2013-11-29T00:00:00
2013-09-24T00:00:00
The data covers an area of approximately 4000 sq km in the Namoi Valley, located around Narrabri, NSW. The LiDAR was captured in September and October 2013 with a point density of two points per square metre. The specified accuracies; 30cm vertical and 80cm horizontal, were achieved and verified through a rigorous network of check points and base stations. A set of seamless products were produced including hydro-flattened bare earth DEMs, DSMs, Canopy Height Models (CHM) and Foliage Cover Models (FCM). The outputs of the project are compliant with National ICSM LiDAR Product Specifications and the NEDF.
ANZLIC Jurisdictions
2008-10-29T00:00:00
Version 2.1
20081029
http://asdd.ga.gov.au/asdd/profileinfo/anzlic-jurisdic.xml#anzlic-jurisdic
ANZLIC the Spatial Information Council
Australia
New South Wales
Australia
New South Wales
205
397
2013-09-24T00:00:00
2013-10-04T00:00:00
149.734737
150
-30.666033
-30.280597
Creative Commons Attribution 3.0 Australia (CC BY 3.0AU) https://creativecommons.org/licenses/by/3.0/au
Creative Commons Attribution 3.0 Australia (CC BY 3.0AU) https://creativecommons.org/licenses/by/3.0/au
1m DEM. Data covers an area of approximately 4000 sq km in the Namoi Valley, located around Narrabri, NSW. The LiDAR was captured in September and October 2013
Version 6.2 (Build 9200) ; Esri ArcGIS 10.8.1.14362
1
148.064525
149.533312
-29.662280
-30.575055
series
SOURCE DATA NEDF Metadata Acquisition Start Date: Tuesday, 24 September 2013 Acquisition End Date: Friday, 4 October 2013 Sensor: LiDAR Device Name: Trimble Harrier 68i Flying Height (AGL): 1000 INS/IMU Used: H68-POSAV 510 - IMU14 Number of Runs: 398 Number of Cross Runs: 58 Swath Width: 742 Flight Direction: UNK Swath (side) Overlap: 10 Horizontal Datum: GDA94 Vertical Datum: AHD71 – using local Geoid model Map Projection: MGA55 Description of Aerotriangulation Process Used: UNK Description of Rectification Process Used: UNK Spatial Accuracy Horizontal: 0.8 Spatial Accuracy Vertical: 0.3 Average Point Spacing (per/sqm): 2.43 Laser Return Types: 4 pulses (1st 2nd 3rd 4th and intensity) Data Thinning: UNK Laser Footprint Size: 0 Calibration certification (Manufacturer/Cert. Company): Trimble H68_017 and H68_038; Limitations of the Data: The workflow and quality assurance processes were designed to achieve the Level 3 requirement for removal of significant anomalies which remain in the ground class (2) and achieve a ground point misclassification rate of 1% or less. The classification accuracy was not measured. Surface Type: DEM Product Type: GRID Grid Resolution: 1 Distribution Format: ESRI GRID Processing/Derivation Lineage: A DEM with a ground pixel spacing of one metre was generated from the LiDAR ground points. The method of deriving the height for each grid point is by triangulation between the three nearest LiDAR ground points. Hydro-flattening was applied using waterlines (break lines) that were manually digitised using the LiDAR and ortho photography as reference. Hydro-flattening was undertaken for any visible water in any part of a connected river network or recognised waterway (regardless of size) and all other waterbodies greater than 625 m2. The DEM was exported to ESRI Binary grid as 1km by 1km tiles in accordance with ICSM specifications (inDecember 2012). The DEM accuracy will be limited by the spatial accuracy of the LiDAR point data and will contain some additional error due to interpolation, particularly in areas of dense vegetation where ground points are sparse. There may also be a small amount of error due to ground point misclassification.; WMS: ?;
EPSG
8.9.4(10.5.0)
2
1
0
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99000
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Band_1
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