Fully Polarimetric L-Band Brightness Temperature Signatures of Azimuthal Permittivity Patterns - Measurements and Model Simulations

Sten Schmidl Sobioerg, Moritz Link, Thomas Jagdhuber, Carsten Montzka, Francois Jonard, Stephan Dill, Markus Peichl, Thomas Meyer

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    Abstract

    L-Band microwave radiometry over land mainly focuses on observations of horizontally (H) and vertically (V) polarized brightness temperatures. However, it has been demonstrated that measurements of the full Stokes vector [1] are sensitive to additional environmental properties, e.g. azimuthal plant row orientation. Furthermore, model simulations show that also a smooth surface with a periodic permittivity pattern can cause azimuthal dependencies of the Stokes parameters. The objective of this paper is to present fully polarimetric L-band measurement results from observations of a striped wood and styrodur target, when rotated 360° in small steps. Measurement results of a striped soil and open water target are also reported. Finally, measurements are compared to model simulations, with very good agreement within the validity range of the model (stripe thickness <λ/2).
    Original languageEnglish
    Title of host publicationIGARSS 2018 - IEEE International Geoscience and Remote Sensing Symposium
    PublisherIEEE
    Publication date2018
    Pages6500-6503
    ISBN (Electronic)978-1-5386-7150-4
    DOIs
    Publication statusPublished - 2018
    Event2018 International Geoscience and Remote Sensing Symposium (IGARSS 2018) - Valencia, Spain
    Duration: 22 Jul 201827 Jul 2018

    Conference

    Conference2018 International Geoscience and Remote Sensing Symposium (IGARSS 2018)
    Country/TerritorySpain
    CityValencia
    Period22/07/201827/07/2018

    Keywords

    • L-band
    • Radiometry
    • Microwave
    • Polarimetry
    • Experiment

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