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Detectability of Silvicultural Treatments in Time Series of Penetration Depth Corrected Tandem-X Phase Heights

Publication: Chapter in Book/Report/Conference proceedingConference paper in proceedingspeer-review

Abstract

This study investigated the potential of utilizing time series of TanDEM-X phase heights, corrected for penetration depth, to detect silvicultural treatments in hemi-boreal forest. In total, 34 field plots with 40 m radius were used in conjunction with detailed forest management records to construct a reliable data set of treatments. The study area is situated in Remningstorp, a forest test site in southern Sweden. In the analysis, the temporal mean corrected phase heights were compared before and after a silvicultural treatment in order to quantify the effects of thinnings and clear-cuts on the phase height. As expected clear-cuts were highly distinguishable, but thinnings, while exhibiting a negative change in phase height on average, were not individually distinct from all untreated plots. Moreover, the results regarding the utility of applying penetration depth correction for the task were inconclusive. Overall, the results look very promising for using time series of phase height from TanDEM-X to map thinnings and clear-cuts, especially when several observations are available before and after the silvicultural treatment.
Original languageEnglish
Title of host publicationIGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium
PublisherInstitute of Electrical and Electronics Engineers
Pages5909-5912
Number of pages4
ISBN (Electronic)978-1-6654-2792-0
DOIs
Publication statusPublished - 2022

Publication series

SeriesIEEE International Geoscience and Remote Sensing Symposium proceedings
ISSN2153-6996

Keywords

  • TanDEM-X
  • change detection
  • clear-cuts
  • forestry
  • penetration depth
  • thinnings
  • time series

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