A spatiotemporal remotely-sensed assessment of peat covered areas using airborne radiometrics

Jennifer M. McKinley*, Antoinette Keaney, Alastair Ruffell

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    The aim of this research is to improve the assessment of carbon volumes in organic-rich soils and peat using remotely-sensed airborne radiometrics. The theory being applied is that saturated organic-rich soil and peat attenuate gamma-radiation from underlying rocks. Airborne geophysical data generated by the Tellus Survey and the EU-funded Tellus Border Survey, are used to estimate peat depth by calculating the degree of reduced radioactivity signal. Coregionalization uses the degree of spatial correlation between peat depth and the attenuation of the radiometric signal to update a limited sampling regime of ground-based measurements with remotely acquired data. Utilising the inverse spatial relationship, cokriging uses the coefficients from cross variograms between ground-based peat thickness measurements and airborne radiometric data to produce an updated cokriged map which can be used in calculations of carbon stocks. The results from areas where there is good ground validation are used to estimate peat depths where ground data are limited. The broader significance is the use of remote sensing to record temporal changes in peat covered areas.
    Original languageEnglish
    Title of host publicationLecture Notes in Earth System Sciences
    Pages225-228
    ISBN (Electronic)978-3-642-32408-6
    DOIs
    Publication statusPublished - 01 Jan 2014

    Publication series

    NameLecture Notes in Earth System Sciences
    PublisherSpringer, Berlin, Heidelberg
    ISSN (Print)2193-8571
    ISSN (Electronic)2193-858X

    ASJC Scopus subject areas

    • Computers in Earth Sciences
    • Earth and Planetary Sciences(all)

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  • Cite this

    McKinley, J. M., Keaney, A., & Ruffell, A. (2014). A spatiotemporal remotely-sensed assessment of peat covered areas using airborne radiometrics. In Lecture Notes in Earth System Sciences (pp. 225-228). (Lecture Notes in Earth System Sciences). https://doi.org/10.1007/978-3-642-32408-6_52