Opportunities and pitfalls in the use of thermal sensing for monitoring water stress and transpiration

H. G. Jones

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

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    Abstract

    This paper reviews recent progress in the development of thermal sensing (both in-field and remotely from unmanned aerial vehicles (UAVs), aircraft or satellites) as a tool for irrigation control, for plant phenotyping, for the study of plant water relations and for estimating stomatal conductance and transpiration from crops. Approaches to the use of thermal sensing in horticulture using both single point sensors (especially when incorporated into wireless sensor networks) and imagers are compared with discussion of the information that can be obtained. Particular challenges limiting the wider uptake of thermal sensing including the treatment of mixed pixels, the selection of appropriate reference surfaces for absolute estimates of evaporation or stomatal conductance and the critical need for improved software for extraction of information from images are discussed.

    Original languageEnglish
    Title of host publicationInternational Symposium on Sensing Plant Water Status - Methods and Applications in Horticultural Science
    PublisherInternational Society for Horticultural Science
    Pages31-44
    Number of pages14
    ISBN (Electronic)9789462611931
    DOIs
    Publication statusPublished - 25 Apr 2018

    Publication series

    NameActa Horticulturae
    Volume1197
    ISSN (Print)0567-7572

    Keywords

    • Imaging
    • Infra-red thermography
    • Stomatal conductance
    • Transpiration
    • UAVs

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  • Cite this

    Jones, H. G. (2018). Opportunities and pitfalls in the use of thermal sensing for monitoring water stress and transpiration. In International Symposium on Sensing Plant Water Status - Methods and Applications in Horticultural Science (pp. 31-44). (Acta Horticulturae; Vol. 1197). International Society for Horticultural Science . https://doi.org/10.17660/ActaHortic.2018.1197.5