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    Hyperspectral sensing of acid sulphate soils and their environmental impacts in South Yunderup, Western Australia

    198086_Shi 2014.pdf (31.81Mb)
    Access Status
    Open access
    Authors
    Shi, Xianzhong
    Date
    2014
    Supervisor
    Dr David Oldmeadow
    Dr Ian C Lau
    Dr Mehrooz Aspandiar
    Type
    Thesis
    Award
    PhD
    
    Metadata
    Show full item record
    School
    Department of Applied Geology
    URI
    http://hdl.handle.net/20.500.11937/1820
    Collection
    • Curtin Theses
    Abstract

    Several sources of hyperspectral data were used to map the occurrence and spread of acid sulfate soils (AAS). Surface evolution of mineralogy during controlled oxidation of sulphidic material showed the formation of secondary iron minerals linked to soil pH ranges. Spectral characterization, image classification and PLSR of hyperspectral data successfully mapped the occurrence of surface and subsurface acid conditions and related toxicity by linking mineralogy to pH.

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