Chateau de la Colaissière

Civil Air Patrol (CAP) imagery service, collected during 2024.

Drone photographs used for this photogrammetry project (AAD23_m011****.jpg) have already been lodged under AADC metadata Record AAS_4503_Orthomosaic_DSM_Casey_2023.

Vide: Wilkins, D., McWatters, R. and Spedding, T. (2023) Orthomosaic and digital surface model of Casey station, 8th February 2023., Ver. 1, Australian Antarctic Data Centre - doi:10.26179/1pb8-4g29

This project was created with ESRI SiteScan (generated with Pix4DengineSDK version 5.0.45), using the source photographs and a different GCP data file (GCP_photogrammetry_project_142LatLong.csv).

Ground Control Points were converted from their collected datum based on ITRF2014 to WGS84, using a calculated offset from Survey Mark BM05.

Collected data to WGS84 Easting offset: -0.332 m Northing offset: 1.226 m

Internal Reference - Photogrammetry Project DW_142.

**Drone photogrammetric orthomosaic, digital surface model and point cloud of Robinson Ridge, Windmill Islands, Antactica, February 2022. **This dataset includes a 17 hectare orthomosaic, digital surface model, point cloud, and derived raster layers from Robinson Ridge, Windmill Islands, East Antarctica. The area captured includes the vegetation quadrats used to monitor vegetation health as part of the State of the Environment Indicator 72: Windmill Islands terrestrial vegetation dynamics (Robinson, 2009). It also covers the location of the 300m long soil biodiversity transect initially sampled in 2005 as part of Australian Antarctic Science Project 2952 (Spatial variability in polar soil ecosystems) and sampled again in 2019 as part of Australian Antarctic Science Project 4406. This dataset was acquired for Australian Antarctic Science Project 4503.

The orthomosaic is compiled from 666 downward-facing (nadir) photographs obtained with a DJI Matrice 300 RTK drone and Zenmuse P1 (35 mm) RGB sensor, on 01/02/2022. These images were processed using the ESRI SiteScan software (Pix4DengineSDK v5.0.45) to produce a 19.3-hectare-digital surface model (DSM) and orthomosaic with an average ground sampling distance (GSD) of 1.02 cm. The estimated root mean square (RMS) error of the seven ground control points (GCPs) was 7 cm.

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https://data.aad.gov.au/metadata/AAS_4503_RobinsonRidgeOrthomosaic_Feb_2022

Casey station orthomosaic and digital surface model compiled from nadir imagery acquired from three consecutive mapping missions by a DJI Matrice 300 quadcopter with a Zenmuse P1 35 mm RGB camera. 2173 out of 2182 images were processed within ESRI SiteScan (Generated with Pix4DengineSDK version 5.0.45) to produce the data products. Imagery processed by Dr Dan Wilkins. Flights undertaken by Dr Rebecca McWatters with assistance from the 2021/22 remediation team.

Civil Air Patrol (CAP) imagery service, collected during 2024.

Orthomosaic and Digital Surface Model of the western portion of the Bailey Peninsula, Windmill Islands. The orthomosaic was compiled from 1,387 images processed in ESRI SiteScan running Pix4Denginge SDK version 5.0.45.

Drone piloted by Dr Rebecca McWatters with Devon Hamley and Kasey Williams as observers and ground crew. Mission planned and data processed by Dr Dan Wilkins.

Note that much of the normally exposed rock is covered by recent snowfall.