Title :
Application of TIR Imagery and Spectroscopy for the Extraction of Soil Textural Information at Fowlers Gap, Western New South Wales, Australia
Author :
Hewson, D.R. ; Taylor, R.G. ; Whitbourn, B.L.
Author_Institution :
Div. of Exploration & Min., CSIRO, Sydney, NSW
Abstract :
Previous laboratory studies suggest that simple ASTER band ratios could predict soil texture, independent of mineralogy. In this study, ASTER and TIMS thermal image- and FTIR-derived soil particle indices were compared to field samples from Fowlers Gap in western New South Wales, Australia. Laboratory studies on field samples showed a similar relationship between texture and thermal band ratios however a mineral bias, or at least an association with quartz content, was observed. The spatial pixel resolution of the thermal imagery was also observed to be a significant issue within a heterogeneous landscape. However, three meter pixel resolution TIMS imagery appeared to provide qualitative soil and sediment textural related information using such band ratio methods at Fowlers Gap.
Keywords :
Fourier transform spectra; geophysical techniques; infrared imaging; land surface temperature; remote sensing; soil; ASTER band ratio; ASTER thermal image; Australia; FTIR derived soil particle indices; Fowlers Gap; TIMS thermal image; TIR imagery; TIR spectroscopy; soil textural information extraction; soil texture; spatial pixel resolution; thermal imagery; thermal infrared imaging; western New South Wales; Australia; Data mining; Image resolution; Laboratories; Minerals; Pixel; Sediments; Soil texture; Spatial resolution; Spectroscopy; ASTER; FTIR; TIMS; soil; texture;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 2008. IGARSS 2008. IEEE International
Conference_Location :
Boston, MA
Print_ISBN :
978-1-4244-2807-6
Electronic_ISBN :
978-1-4244-2808-3
DOI :
10.1109/IGARSS.2008.4779095
