Christmas Island - Orthophoto - 2011

In 2011 AAM was commissioned by the Commonwealth to obtain orthophotography of Christmas Island. The survey was carried out using a fixed wing aircraft between the 24th and 26th of August 2011. All imagery was captured using a DiMAC UltraLight 50mmm Lens camera within approximately 2 hours of low tide. During this period tides ranged from 0.5m to 1.2m. The photo frame and tide height table lists the approximate tide height for each raw photo. Using an automated process, raw images were joined to form a mosaic of the island. Colour balancing and replacement of certain areas with alternate raw images was performed for consistency. The imagery has a 15cm on ground resolution.

The orthophotography was provided to Geoscience Australia in GDA94. It has been converted to UTM WGS 84 zone 48s using ESRI ArcMap.

AAM advised that the imagery is accurate to 30cm.

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Key Information

Published by

Department of Infrastructure, Transport, Cities and Regional Development

Information classification

-

Data theme

Cultural Affairs

Data last updated

-

Update frequency

one-off snapshot

Data custodian

Department of Infrastructure, Regional Development and Cities

Dataset contact

Manager - Land, Heritage & Environment

Website

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First published

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Metadata last updated

25-05-2022

Data source

-

Temporal coverage

-

Geospatial theme

Imagery / Maps

Geospatial source projection

UTM WGS 84 zone 48s

Spatial coverage

Dataset extent

Base map and data from OpenStreetMap and OpenStreetMap Foundation

Digital object identifier

-

Citation

-

Data usability rating