Remote Sensing, Free Full-Text
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Ecosystem physical structure, defined by the quantity and spatial distribution of biomass, influences a range of ecosystem functions. Remote sensing tools permit the non-destructive characterization of canopy and root features, potentially providing opportunities to link above- and belowground structure at fine spatial resolution in functionally meaningful ways. To test this possibility, we employed ground-based portable canopy LiDAR (PCL) and ground penetrating radar (GPR) along co-located transects in forested sites spanning multiple stages of ecosystem development and, consequently, of structural complexity. We examined canopy and root structural data for coherence (i.e., correlation in the frequency of spatial variation) at multiple spatial scales ≤10 m within each site using wavelet analysis. Forest sites varied substantially in vertical canopy and root structure, with leaf area index and root mass more becoming even vertically as forests aged. In all sites, above- and belowground structure, characterized as mean maximum canopy height and root mass, exhibited significant coherence at a scale of 3.5–4 m, and results suggest that the scale of coherence may increase with stand age. Our findings demonstrate that canopy and root structure are linked at characteristic spatial scales, which provides the basis to optimize scales of observation. Our study highlights the potential, and limitations, for fusing LiDAR and radar technologies to quantitatively couple above- and belowground ecosystem structure.
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Remote Sensing, Free Full-Text, blox.land 2022
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Remote Sensing By Satellite: Physical Basis, Principles, & Uses
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Full Issue in PDF / Numéro complet enform PDF: Canadian Journal of
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Remote Sensing and Image Interpretation, 6ed (WSE) : Lillesand
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International Journal of Remote Sensing: Vol 45, No 4 (Current issue)
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Introduction to Remote Sensing: Sixth Edition
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Remote Sensing By Satellite: Physical Basis, Principles, & Uses
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ISRO NRSC Technician B Online Form 2023 for 54 Posts
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Remote Sensing, Free Full-Text
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Tribology in renewable energy - About Tribology