搜索结果: 1-13 共查到“摄影测量与遥感技术 Leaf area index”相关记录13条 . 查询时间(0.09 秒)
LEAF AREA INDEX RETRIEVED FROM THERMAL HYPERSPECTRAL DATA
Thermal Emissivity spectra Leaf area index (LAI) Canopy Remote sensing Spectrometer
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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
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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...
ESTIMATION OF LEAF AREA INDEX AND CHLOROPHYLL FOR A MEDITERRANEAN GRASSLAND USING HYPERSPECTRAL DATA
Hyperspectral Vegetation Estimation Leaf Area Index Chlorophyll
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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...
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
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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...
CIRCUMPOLAR ASSESSMENT OF THE RELATIONSHIP BETWEEN INFRARED VEGETATION INDICES AND LEAF AREA INDEX IN FOREST
leaf area index forest landscapes
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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...
COMPARISON OF DIFFERENT GROUND TECHNIQUES TO MAP LEAF AREA INDEX OF NORWAY SPRUCE FOREST CANOPY
LAI Sampling strategy PCA LAI-2000
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2015/9/8
The leaf area index (LAI) of three monocultures of Norway spruce (Picea abies (L.) Karst), different in age and structure, was
measured by means of two indirect optical techniques of LAI field mappin...
LEAF AREA INDEX ESTIMATES OBTAINED FOR MIXED FOREST USING HEMISPHERICAL PHOTOGRAPHY AND HYMAP DATA
Hemisfer Camera Exposure Hyperspectral Data
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2015/9/8
The Leaf Area Index (LAI) is an important measure in many ecological applications because vegetation-atmosphere processes of the
canopy, such as photosynthesis are controlled by the foliage and play ...
SPECTRAL VEGETATION INDICES AND ITS RESPONSE TO IN-SITU MEASURED LEAF AREA INDEX OF COTTON
Spectral Vegetation Indices (SVIs) Leaf Area Index (LAI) Canopy Analyzer
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2015/8/28
The major objective of this study was to develop site-specific spectral vegetation index-LAI relationship for two cotton varieties
cultivated in the Central State Farm (CSF) Hisar, using multi-date r...
Hyperspectral vegetation indices for estimation of leaf area index
Hyperspectral Vegetation index Leaf area index
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2015/8/20
Spectral vegetation indices are frequently used to estimate vegetation biophysical/biochemical characteristics. In general they have
been proposed to reduce spectral effects caused by external factor...
Stomatal Conductance, Canopy Temperature, and Leaf Area Index Estimation Using Remote Sensing and OBIA techniques
OBIA-segmentation loblolly pine blueberry
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2015/1/12
Remotely sensed images including LANDSAT, SPOT, NAIP orthoimagery, and LiDAR and relevant processing tools can be used to predict plant stomatal conductance (gs), leaf area index (LAI), and canopy tem...
ANALYSIS OF SPATIO-TEMPORAL PATTERNS OF LEAF AREA INDEX IN DIFFERENT FOREST TYPES OF INDIA USING HIGH TEMPORAL REMOTE SENSING DATA
India Forest vegetation MODIS LAI product SPOT landuse/landcover classification Spatio-temporal patterns
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2014/5/6
Knowledge of temporal variations of Leaf Area Index (LAI) aids in understanding the climate-vegetation interaction of different vegetative systems. This information is amenable from high temporal remo...
Definition, Uncertainty, and Validation Method of the Satellite-based Global Leaf Area Index Products
LAI validation algorithm global
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2009/3/16
Leaf Area Index (LAI) is an important parameter as assimilation and validation data of the global ecosystem models. Recently several organizations have developed the satellite-based global LAI dataset...
Relationship Between Spectral Reflectance and Leaf Area Index in Needleleaf Forest :the Effect of Three-Dimensional Forest Structure and Clumping
LAI FAPAR BRF radiative transfer forest 3-D effect
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2010/11/24
Toward the reliable estimation of leaf area index (LAI) and fraction of absorbed photosynthetically active radiation (FAPAR), the relationship between LAI/FAPAR and bidirectional reflectance factor (B...