Close-range hyperspectral spectroscopy reveals leaf water content dynamics
نویسندگان
چکیده
Water plays a crucial role in maintaining plant functionality and drives many ecophysiological processes. The distribution of water resources is continuous change due to global warming affecting the productivity ecosystems around globe, but there lack non-destructive methods capable monitoring leaf content that would help us understanding consequences redistribution water. We studied utilization novel small hyperspectral sensors 1350–1650 nm 2000–2450 spectral ranges estimation laboratory field conditions. found captured up 96% variation equivalent thickness (EWT, g/m2) 90% relative (RWC). Further tests were done with an indoor (Dracaena marginate Lem.) by continuously measuring spectra while drought conditions developed, which revealed detailed diurnal dynamics content. findings supported measurements, where repeated measurements fair agreement (R2 = 0.70) RWC showed similar dynamics. mass per area (LMA) using was investigated as pathway improved estimation, no significant improvement found. conclude close-range spectroscopy can provide tool for measurement at single level better understand responses varying environmental
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ژورنال
عنوان ژورنال: Remote Sensing of Environment
سال: 2022
ISSN: ['0034-4257', '1879-0704']
DOI: https://doi.org/10.1016/j.rse.2022.113071