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

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 c...

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Bibliographic Details
Main Author: Shi, Xianzhong
Format: Thesis
Language:English
Published: Curtin University 2014
Online Access:http://hdl.handle.net/20.500.11937/1820
Description
Summary: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.