Metadata details

Heard_WorldView-1_23MAR08

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Citation
Lucieer, A. and Harris, U. (2008) Heard Island WorldView-1 Image (23 March 2008) orthorectification, Ver. 1, Australian Antarctic Data Centre - https://data.aad.gov.au/metadata/records/Heard_WorldView-1_23MAR08, Accessed: 2022-05-23
Title
Heard Island WorldView-1 Image (23 March 2008) orthorectification
Data Centre
Australian Antarctic Data Centre, Australia
Created Date
2008-11-04
Revision Date
2019-04-08
Parent record
None

Datasets and documents

    Related links

    Description

    The WorldView-1 image of Heard Island (23 March 2008) that was purchased by the Australian Antarctic Division (AAD) and the University of Tasmania (UTAS) in June 2008 has to be geometrically corrected to match the Quickbird and IKONOS imagery in the Australian Antarctic Data Centre (AADC) satellite image catalogue. In addition, the WorldView-1 imagery contains two separate image strips that cover the whole island. These strips were acquired at slightly different times from different angles during the satellite overpass. The discrepancy in acquisition angle has resulted in a geometric offset between the two image strips. These two image strips were orthorectified with a 10 m RADARSAT DEM (2002). The orthorectified images were then merged into a single image mosaic for the whole island.

    This work was completed as part of ASAC project 2939 (ASAC_2939).

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    Quality

    DigitalGlobe's WorldView-1 specification states a geometric accuracy of 6.5 m (CE90) at nadir with an estimated accuracy of 4.0 - 5.5 m (CE90) in most cases. The WorldView-1 image was orthorectified with the 2002 RADARSAT DEM of Heard Island. With this orthorectification process the large-scale relief distortions are removed from the image resulting in even higher geometric accuracies.

    Access

    The image is licensed to the Australian Antarctic Division and the University of Tasmania. For access to the image contact the Australian Antarctic Data Centre (gis@aad.gov.au).

    A pdf document containing more information about the project is available for download at the provided URL.

    Temporal Coverages

    Spatial Coverages

    Latitude

    Northernmost:
    -52.95
    Southernmost:
    -53.21

    Longitude

    Westernmost:
    73.24
    Easternmost:
    73.9
    Minimum Altitude:
    0 Metres
    Maximum Altitude:
    2745 Metres

    Data Resolution

    Latitude Resolution:
    0.5 Metre(s)
    Longitude Resolution:
    0.5 Metre(s)

    Science Keywords

    Additional Keywords

    • WorldView-1
    • Imagery
    • DigitalGlobe
    • WorldView

    Locations

    • OCEAN > SOUTHERN OCEAN
    • CONTINENT > AUSTRALIA/NEW ZEALAND
    • GEOGRAPHIC REGION > POLAR
    • OCEAN > SOUTHERN OCEAN

    Platforms

    • SATELLITES
    • WORLDVIEW-1

    Instruments

    • Cameras

    Researchers

    • lucieer, arko (INVESTIGATOR,DIF AUTHOR)
    • harris, ursula (TECHNICAL CONTACT)

    Use Constraints

    This data set conforms to the CCBY Attribution License
    (http://creativecommons.org/licenses/by/4.0/).

    Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=Heard_WorldView-1_23MAR08 when using these data.

    Creative Commons License