搜索结果: 46-60 共查到“工学 Canopy”相关记录68条 . 查询时间(0.078 秒)
Difference in Canopy and Air Temperature as an Indicator of Grassland Water Stress
water stress indicator air temperature canopy temperature soil moisture grassland vapour pressure deficit actual evapotranspiration
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2015/1/28
In 2003–2005 in conditions of the moderately warm region of the Třeboň Basin (Czech Republic) the difference between canopy temperature (Tc) and air temperature at 2 m (Ta) was tested as an indic...
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...
Role of Polarimetric SAR data for discrimination/biophysical parameters of crops based on canopy architecture
SAR polarimetry circular /linear polarization crop separability crop biomass multi-date SAR data erectophiles planophiles
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2014/12/15
Synthetic Aperture Radar (SAR) sensors have great potential for a wide range of agricultural applications, owing to their capability of all-weather observation. It is particularly useful in tropical r...
Correcting attenuation effects caused by interactions in the forest canopy in full-waveform airborne laser scanner data
Full-waveform airborne laser scanning attenuation correction waveform history analysis
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2014/9/9
Full-waveform airborne laser scanning offers a great potential for various forestry applications. Especially applications requiring information on the vertical structure of the lower canopy parts bene...
Modelling Visible Foliar Injury Effects on Canopy Photosynthesis and Potential Crop Yield Losses Resulting from Fluoride Exposure
Photosynthesis Model Oil Palm Airborne Fluoride Foliar Injury Crop Production Loss
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2013/3/11
Crop production models are highly developed to account for different nitrogen, light, temperature and water availability conditions and, in some species, disease or air pollutant effects. There is ver...
AN INTERCOMPARISON OF PASSIVE TERRESTRIAL REMOTE SENSING TECHNOLOGIES TO DERIVE LAI AND CANOPY COVER METRICS
LIDAR Forestry Sustainable Multisensor Scale Terrestrial
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2014/4/30
Forest indicators such as Leaf Area Index (LAI) and vegetation cover type are recognised as Essential Climate Variables (ECVs) which support the '…research, modelling, analysis, and capacity-building ...
CHANGE ANALYSIS OF THE SPECTRAL CHARACTERISTICS OF RUBBER TREES AT CANOPY AND LEAF SCALES DURING THE BRAZILIAN AUTUMN
Forestry spectral weather comparison hyperspectral high resolution
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2014/4/30
The objective of this work is to investigate the hyperspectral remote sensing potential to detect spectral changes undergone by clones of two rubber trees within Brazilian Autumn, with decrease of rai...
NDVI FROM ACTIVE OPTICAL SENSORS AS A MEASURE OF CANOPY COVER AND BIOMASS
Agriculture Farming Vegetation Sensor Spatial Real-time
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2014/4/30
Commercially available proximal sensors are being used in precision agriculture to provide non-destructive, real-time spatial information on 'green biomass' that may be of interest to the remote sensi...
A NEW EFFECTIVE WAY ON VEGETATION MORNITORING USING MULTI-SPECTRAL CANOPY LIDAR
Remote Sensing Vegetation Monitoring Global-Environmental LIDAR Spectral
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2014/4/25
Airborne Laser Scanning (ALS) has been a well-established tool for the measurement of surface topography as well as for the estimation of biophysical canopy variables, such as tree height and vegetati...
DERIVATION OF TREE CANOPY COVER BY MULTISCALE REMOTE SENSING APPROACH
Forestry Multiresolution Multisensor Acquisition Processing Estimation Calibration
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2014/5/8
In forestry, treecanopy cover (CC) is an important biophysical indicator for characterizing terrestrial ecosystemsand modeling global
biogeochemical cycles, e.g., woody biomass estimation, carbon ba...
AIRBORNE X-HH INCIDENCE ANGLE IMPACT ON CANOPY HEIGHT RETREIVAL: IMPLICATIONS FOR SPACEBORNE X-HH TANDEM-X GLOBAL CANOPY HEIGHT MODEL
Canopy Height InSAR X-band DTM DSM DEM
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2014/4/29
To support international climate change mitigation efforts, the United Nations REDD+ initiative (Reducing Emissions from Deforestation and Degradation) seeks to reduce land use induced greenhouse gas ...
LANDSLIDE MONITORING USING TERRESTRIAL LASER SCANNER: GEOREFERENCING AND CANOPY FILTERING ISSUES IN A CASE STUDY
LIDAR TLS Monitoring Landslide DEM/DTM Reliability Accuracy
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2014/4/28
In order to define a methodology that faces the major critical issues, we used a Terrestrial Laser Scanner to monitor a large landslide that caused significant disruptions both to an important state r...
BATCH PROCESSING OF HEMISPHERICAL PHOTOGRAPHY USING OBJECT-BASED IMAGE ANALYSIS TO DERIVE CANOPY BIOPHYSICAL VARIABLES
digital hemispherical photography (DHP) leaf area index (LAI) batch processing maize CAN-EYE
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2014/6/12
Hemispherical photography has received renewed interest to describe plant canopies and measure canopy gap fraction from which important biophysical variables such as leaf area index (LAI) can be deriv...
A GEOBIA APPROACH TO ESTIMATE LARGE AREA FOREST CANOPY HEIGHT USING LIDAR TRANSECTS AND QUICKBIRD IMAGERY
GEOBIA Canopy height Lidar transect Machine learning Forest
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2014/6/12
Numerous applications of small footprint airborne lidar (light detection and ranging) have provided highly accurate results for estimating forest height. However, the associated ...
Coniferous Canopy BRF Simulation Based on 3-D Realistic Scene
BRF RGM model L-systems
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2012/4/17
It is difficulties for the computer simulation method to study radiation regime at large-scale. Simplified coniferous model was investigated in the present study. It makes the computer simulation meth...