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A MODEL TO SIMULATE THE RADIATIVE TRANSFER OF FLUORESCENCE IN A LEAF
Leaf optical properties Chlorophyll fluorescence Radiative transfer Monte-Carlo method Photon packet Ray tracing
2018/5/16
Light is reflected, transmitted and absorbed by green leaves. Chlorophyll fluorescence (ChlF) is the signal emitted by chlorophyll molecules in the leaf after the absorption of light. ChlF can be used...
IU chemists create molecular 'leaf' that collects and stores solar power without solar panels
IU chemists molecular leaf that collects stores solar power solar panels
2017/3/30
An international team of scientists led by Liang-shi Li at Indiana University has achieved a new milestone in the quest to recycle carbon dioxide in the Earth’s atmosphere into carbon-neutral fuels an...
LEAF AREA INDEX RETRIEVED FROM THERMAL HYPERSPECTRAL DATA
Thermal Emissivity spectra Leaf area index (LAI) Canopy Remote sensing Spectrometer
2016/11/23
Leaf area index (LAI) is an important essential biodiversity variable due to its role in many terrestrial ecosystem processes such as evapotranspiration, energy balance, and gas exchanges as well as p...
Estimation of leaf area index using an angular vegetation index based on in situ measurements and CHRIS/PROBA data
Multi-angular data LAI vegetation index Remote sensing
2016/11/23
The Normalized Difference Vegetation Index (NDVI) is widely used for Leaf Area Index (LAI) estimation. It is well documented that the NDVI is extremely subject to the saturation problem when LAI reach...
WAVELENGTH SELECTION OF HYPERSPECTRAL LIDAR BASED ON FEATURE WEIGHTING FOR ESTIMATION OF LEAF NITROGEN CONTENT IN RICE
Hyperspectral LiDAR Feather Weighting Leaf Nitrogen Content Wavelength Selection Partial Least Squares Support Vector Machine
2016/7/4
Hyperspectral LiDAR (HSL) is a novel tool in the field of active remote sensing, which has been widely used in many domains because of its advantageous ability of spectrum-gained. Especially in the pr...
Allelopathic Belongings of Dried Walnut Leaf on Seed Germination and Seedling Growth of Mustard (Brassica campestris) in Agri-silvi System of Uttarakhand Himalaya, India
Allelopathic Belongings Dried Walnut Leaf
2016/6/2
Phytotoxic effects of aqueous extracts of walnut leaf were studied on germinating seeds and early seedling growth of mustard (Brassica campestris cv. Karanti) under western Himalayan agri-silvi system...
ESTIMATING VERTICAL LEAF AREA DENSITY PROFILES OF TREE CANOPIES USING THREE-DIMENSIONAL PORTABLE LIDAR IMAGING
Broad leaf Canopy Leaf area density Lidar Point cloud 3D Voxel
2016/2/29
In this paper, a new method for estimation of vertical leaf area density (LAD) profile of tree canopy using portable scanning lidar is
proposed. In this method, which we refer to as the voxel-based ...
ESTIMATION OF LEAF AREA INDEX AND CHLOROPHYLL FOR A MEDITERRANEAN GRASSLAND USING HYPERSPECTRAL DATA
Hyperspectral Vegetation Estimation Leaf Area Index Chlorophyll
2015/12/31
The study shows that leaf area index (LAI) and canopy chlorophyll content can be mapped in a heterogeneous Mediterranean grassland from canopy spectral reflectance measurements. Canopy spectral measur...
DISCRIMINATING SPECIES USING HYPERSPECTRAL INDICES AT LEAF AND CANOPY SCALES
Imaging Spectroscopy Spectral Indices Species Discrimination Leaf and Canopy Remote Sensing
2015/12/31
Developments in hyperspectral remote sensing have provided new indices or indicators of biochemical and biophysical properties. Most of the studies involving the novel spectral indices have been condu...
CORRELATION ANALYSIS BETWEEN INDICES OF TREE LEAF SPECTRAL REFLECTANCE AND CHLOROPHYLL CONTENT
Hyperspectral Remote Sensing Forestry Spectral Indices Simulation Correlation
2015/12/30
This study was conducted to investigate variations of leaf chlorophyll content and surface spectral reflectance of different tree species (Daphniphyllum glaucescens、Michelia formosana、Illicium dunnian...
GOING UNDERCOVER: MAPPING WOODLAND UNDERSTOREY FROM LEAF-ON AND LEAF-OFF LIDAR DATA
laser scanning LiDAR woodland understorey overstorey broadleaf
2015/11/10
An understorey model is created for an area of broadleaf, deciduous woodland in eastern England using airborne LiDAR data from winter 2003 (leaf-off conditions) and summer 2005 (leaf-on). The woodland...
LEAF AREA INDEX ESTIMATION IN VINEYARDS FROM UAV HYPERSPECTRAL DATA,2D IMAGE MOSAICS AND 3D CANOPY SURFACE MODELS
Precision agriculture biomass crop narrow band indices
2015/9/10
The indirect estimation of leaf area index (LAI) in large spatial scales is crucial for several environmental and agricultural applications. To this end, in this paper, we compare and evaluate LAI est...
PHYSICAL MODELLING OF NIKON COOLPIX CAMERA RGB RESPONSES FOR APPLICATION IN NON-DESTRUCTIVE LEAF CHLOROPHYLL IMAGING
Leaf optics non-destructive chlorophyll content
2015/9/9
Chlorophyll content is an important characteristic of plant leaves and a critical parameter for modelling purposes and
the scaling up from leaf to canopy level. Leaf colour is an indicator of chlorop...
LARGE SEASONAL SWINGS IN LEAF AREA OF AMAZON RAINFORESTS
biogeophysical biogeochemical variables
2015/9/9
Despite early speculation to the contrary, all tropical forests studied to date display
seasonal variations in the presence of new leaves, flowers and fruits. These past
studies were focused on the ...
CIRCUMPOLAR ASSESSMENT OF THE RELATIONSHIP BETWEEN INFRARED VEGETATION INDICES AND LEAF AREA INDEX IN FOREST
leaf area index forest landscapes
2015/9/8
Leaf area index (LAI) is a key parameter governing atmosphere-vegetation interactions.
The Global Climate Observing System (GCOS) has identified LAI as an essential climate
variable to be mapped glo...