Data

Kakadu LiDAR 2011

Geoscience Australia
Geoscience Australia
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://pid.geoscience.gov.au/dataset/ga/108013&rft.title=Kakadu LiDAR 2011&rft.identifier=https://pid.geoscience.gov.au/dataset/ga/108013&rft.description=This metadata file and associated files contain metadata for the Geoscience Australia Kakadu LiDAR project carried out in 2011. This metadata is for the Digital Elevation Model created as 1m grid generated from the LiDAR point data classified as ground. The grid was generated employing a point to TIN and TIN to grid point process with nearest neighbour interpolation. The DEM was generated in ESRI ArcGIS V10 format.Maintenance and Update Frequency: notPlannedStatement: Fugro Spatial Solutions were awarded a contract by Geoscience Australia to carry out an Aerial LiDAR Survey over the Kakadu. The data will be used to examine the potential impacts of climate change and sea level rise on the West Alligator, South Alligator, East Alligator River systems and other minor areas. A FSS aircraft and aircrew were mobilised to site and the project area was captured using a Leica ALS60 system positioned using a DGPS base-station at Darwin airport. The Darwin base-station was positioned by DGPS observations from local control stations. A ground control survey was carried out by FSS surveyors to determine ground positions and heights for control and check points throughout the area. All data was returned to FSS office in Perth and processed. The deliverable datasets were generated and supplied to Geoscience Australia with this metadata information. NEDF Metadata Acquisition Start Date: Saturday, 22 October 2011 Acquisition End Date: Wednesday, 16 November 2011 Sensor: LiDAR Device Name: Leica ALS60 (S/N: 6145) Flying Height (AGL): 1409 INS/IMU Used: uIRS-56024477 Number of Runs: 468 Number of Cross Runs: 28 Swath Width: 997 Flight Direction: Non-Cardinal Swath (side) Overlap: 20 Horizontal Datum: GDA94 Vertical Datum: AHD71 Map Projection: MGA53 Description of Aerotriangulation Process Used: Not Applicable Description of Rectification Process Used: Not Applicable Spatial Accuracy Horizontal: 0.8 Spatial Accuracy Vertical: 0.3 Average Point Spacing (per/sqm): 2 Laser Return Types: 4 pulses (1st 2nd 3rd 4th and intensity) Data Thinning: None Laser Footprint Size: 0.32 Calibration certification (Manufacturer/Cert. Company): Leica Limitations of the Data: To project specification Surface Type: DEM Product Type: DEM Bare Earth Grid Resolution: 1 Distribution Format: ESRI GRID Processing/Derivation Lineage: Capture, Geodetic Validation, Automatic Filtering, Manual Filtering (L3) including removal of water points, Product generation WMS: Not Applicable&rft.creator=Geoscience Australia &rft.date=2012&rft.coverage=westlimit=131.68212890624997; southlimit=-13.090179355735515; eastlimit=133.24218749999997; northlimit=-11.888853082977747; projection=GDA94 / MGA zone 53 (EPSG:28353)&rft.coverage=westlimit=131.68212890624997; southlimit=-13.090179355735515; eastlimit=133.24218749999997; northlimit=-11.888853082977747; projection=GDA94 / MGA zone 53 (EPSG:28353)&rft_rights=&rft_rights=Creative Commons Attribution 4.0 International Licence&rft_rights=CC-BY&rft_rights=4.0&rft_rights=http://creativecommons.org/licenses/&rft_rights=WWW:LINK-1.0-http--link&rft_rights=Australian Government Security ClassificationSystem&rft_rights=https://www.protectivesecurity.gov.au/Pages/default.aspx&rft_rights=WWW:LINK-1.0-http--link&rft_rights=Creative Commons Attribution 4.0 International Licence http://creativecommons.org/licenses/by/4.0&rft_subject=elevation&rft_subject=EARTH SCIENCES&rft_subject=HVC_144648&rft_subject=CLIMATE-AND-WEATHER-Climate-change&rft_subject=ECOLOGY-Ecosystem&rft_subject=WATER-Salinity&rft_subject=WATER-Wetlands&rft_subject=Published_External&rft.type=dataset&rft.language=English Access the data

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Brief description

This metadata file and associated files contain metadata for the Geoscience Australia Kakadu LiDAR project carried out in 2011. This metadata is for the Digital Elevation Model created as 1m grid generated from the LiDAR point data classified as ground. The grid was generated employing a point to TIN and TIN to grid point process with nearest neighbour interpolation. The DEM was generated in ESRI ArcGIS V10 format.

Lineage

Maintenance and Update Frequency: notPlanned
Statement: Fugro Spatial Solutions were awarded a contract by Geoscience Australia to carry out an Aerial LiDAR Survey over the Kakadu. The data will be used to examine the potential impacts of climate change and sea level rise on the West Alligator, South Alligator, East Alligator River systems and other minor areas. A FSS aircraft and aircrew were mobilised to site and the project area was captured using a Leica ALS60 system positioned using a DGPS base-station at Darwin airport. The Darwin base-station was positioned by DGPS observations from local control stations. A ground control survey was carried out by FSS surveyors to determine ground positions and heights for control and check points throughout the area. All data was returned to FSS office in Perth and processed. The deliverable datasets were generated and supplied to Geoscience Australia with this metadata information. NEDF Metadata Acquisition Start Date: Saturday, 22 October 2011 Acquisition End Date: Wednesday, 16 November 2011 Sensor: LiDAR Device Name: Leica ALS60 (S/N: 6145) Flying Height (AGL): 1409 INS/IMU Used: uIRS-56024477 Number of Runs: 468 Number of Cross Runs: 28 Swath Width: 997 Flight Direction: Non-Cardinal Swath (side) Overlap: 20 Horizontal Datum: GDA94 Vertical Datum: AHD71 Map Projection: MGA53 Description of Aerotriangulation Process Used: Not Applicable Description of Rectification Process Used: Not Applicable Spatial Accuracy Horizontal: 0.8 Spatial Accuracy Vertical: 0.3 Average Point Spacing (per/sqm): 2 Laser Return Types: 4 pulses (1st 2nd 3rd 4th and intensity) Data Thinning: None Laser Footprint Size: 0.32 Calibration certification (Manufacturer/Cert. Company): Leica Limitations of the Data: To project specification Surface Type: DEM Product Type: DEM Bare Earth Grid Resolution: 1 Distribution Format: ESRI GRID Processing/Derivation Lineage: Capture, Geodetic Validation, Automatic Filtering, Manual Filtering (L3) including removal of water points, Product generation WMS: Not Applicable

Notes

Purpose
Study of Kakadu ecosystem in regard to climate change

Created: 27 09 2012

Issued: 21 04 2020

Data time period: 2011-10-22 to 2011-11-16

This dataset is part of a larger collection

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133.24219,-11.88885 133.24219,-13.09018 131.68213,-13.09018 131.68213,-11.88885 133.24219,-11.88885

132.46215820312,-12.489516219357

text: westlimit=131.68212890624997; southlimit=-13.090179355735515; eastlimit=133.24218749999997; northlimit=-11.888853082977747; projection=GDA94 / MGA zone 53 (EPSG:28353)

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