Data in BriefUrban trees provide critical ecosystem services but remain vulnerable to climate change and urban environmental stresses. To improve understanding of their phenological dynamics and support reproducible urban vegetation monitoring, PhenoStras2022 is ...
Clément Bressant +2 more
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Spatiotemporal variability of the fraction of Photosynthetically Active Radiation (fPAR) in a mixed coniferous forest using Wireless sensor networks [PDF]
, 2022 Contemporary climate change has become rapid, and its impacts affect forest growth and productivity directly and indirectly through changes in temperature, precipitation, carbon dioxide, and other factors.
Ke, Yuhui
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European Journal of Remote SensingThe amount of gaps in forest canopy is related to the radiation interception for photosynthesis and visibility through the canopy. The dependence of forest canopy gap fraction determination on view zenith angle was calculated from polar-transformed ...
Mait Lang +5 more
semanticscholar +1 more source
Exploring the potential of DSCOVR EPIC data to retrieve clumping index in Australian terrestrial ecosystem research network observing sites [PDF]
, 2021 Vegetation foliage clumping significantly alters the radiation environment and affects vegetation growth as well as water, carbon cycles. The clumping index (CI) is useful in ecological and meteorological models because it provides new structural ...
Arndt, Stefan K. +7 more
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Validation of PROBA-V GEOV1 and MODIS C5 & C6 fAPAR Products in a Deciduous Beech Forest Site in Italy [PDF]
, 2017 [EN] The availability of new fAPAR satellite products requires simultaneous efforts in validation to provide users with a better comprehension of product performance and evaluation of uncertainties.
Calfapietra, Carlo +6 more
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GeomaticsThe leaf area index (LAI) in temperate forests is highly dynamic throughout the season, and lacking such dynamic information has limited our understanding of carbon and water flux patterns in these ecosystems.
Xuanwen Wang +3 more
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Achieving improved leaf area index estimations from digital hemispherical imagery through destructive sampling methods [PDF]
, 2019 Destructive sampling of 20 trees of four tree species in a mixed New England conifer/hardwood stand shows that leaf area comprises 72, 77, and 78 percent of plant area as measured with digital hemispherical photography of the stand in (1) leaf-off, (2 ...
Condon, Timothy
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Methodology comparison for canopy structure parameters extraction from digital hemispherical photography in boreal forests [PDF]
, 2004 The retrieval of canopy architectural parameters using off-the-shelf digital cameras with fish-eye lens is investigated. The technique used takes advantage of the sensor’s linear response to light of these cameras to improve the estimation of gap ...
Chen, Jing M. +4 more
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International Journal of Applied Earth Observations and GeoinformationAverage leaf inclination angle (θ¯L) is an important canopy structure variable that influences light regime, photosynthesis, and evapotranspiration of plants.
Kaiyuan Li +5 more
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Estimation of vegetation biophysical parameters in grasslands and crops in Chile through hemispheric digital photography by a GoPro camera [PDF]
, 2018 Revista oficial de la Asociación Española de Teledetección[EN] The estimation of the biophysical parameters of vegetation such as LAI (Leaf Area Index), FAPAR (Fraction of Absorbed Photosynthetically Active Radiation) and FCOVER (Fraction of Green ...
Camacho, F., Mattar, C., Uribe, D.
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