搜索结果: 1-15 共查到“工学 LEAF AREA”相关记录18条 . 查询时间(0.06 秒)
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...
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...
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...
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...
COMPARISON OF DIFFERENT GROUND TECHNIQUES TO MAP LEAF AREA INDEX OF NORWAY SPRUCE FOREST CANOPY
LAI Sampling strategy PCA LAI-2000
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
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
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
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
ET NDVI SAVI OBIA-segmentation loblolly pine blueberry
2015/8/14
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...
LEAF AREA INDEX RETRIEVAL USING IRS LISS-III SENSOR DATA AND VALIDATION OF MODIS LAI PRODUCT OVER INDIA
Remote Sensing Crop IRS Retrieval Comparison
2015/7/29
This paper reports results of an experiment LRVE (Leaf Area Index Retrieval and Validation Experiment) that was conducted over
agricultural areas of Central India during winter season of 2001-02, ai...
PROSPECT INVERSION FOR INDIRECT ESTIMATION OF LEAF DRY MATTER CONTENT AND SPECIFIC LEAF AREA
Rradiative transfer model PROSPECT
2015/5/6
Quantification of vegetation properties plays an indispensable role in assessments of ecosystem function with leaf dry mater content (LDMC) and specific leaf area (SLA) being two important vegetatio...
Stomatal Conductance, Canopy Temperature, and Leaf Area Index Estimation Using Remote Sensing and OBIA techniques
OBIA-segmentation loblolly pine blueberry
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...