搜索结果: 1-15 共查到“forest canopy”相关记录30条 . 查询时间(0.093 秒)
Democratic Republic of the Congo Tropical Forest Canopy Height and Aboveground Biomass Estimation with Landsat-8 Operational Land Imager (OLI) and Airborne LiDAR Data: The Effect of Seasonal Landsat Image Selection
Airborne LiDAR Landsat-8 tropical forest canopy height aboveground biomass Congo Basin Forest
2023/12/19
Inventories of tropical forest aboveground biomass (AGB) are often imprecise and sparse. Increasingly,?airborne?Light Detection And Ranging (LiDAR) and satellite optical wavelength sensor data are use...
An Improved Generalized Hierarchical Estimation Framework with Geostatistics for Mapping Forest Parameters and Its Uncertainty: A Case Study of Forest Canopy Height
forest up-scaling regression kriging uncertainty LiDAR
2023/12/1
Forest canopy height is an essential parameter in estimating forest aboveground biomass (AGB), growing stock volume (GSV), and carbon storage, and it can provide necessary information in forest manage...
EVALUATION OF AIRBORNE L- BAND MULTI-BASELINE POL-INSAR FOR DEM EXTRACTION BENEATH FOREST CANOPY
Digital Elevation Model, SAR, Multi-baseline Pol-InSAR, TomoSAR, Forest canopy, Scattering characteristics separation
2018/5/14
DEM beneath forest canopy is difficult to extract with optical stereo pairs, InSAR and Pol-InSAR techniques. Tomographic SAR (TomoSAR) based on different penetration and view angles could reflect vert...
Estimation of diameter at breast height from mobile laser scanning data collected under a heavy forest canopy
mobile mapping system clustering point cloud circle fit
2018/3/6
Mobile laser scanning (MLS) is time-efficient technology of geospatial data collection that proved its ability to provide
accurate measurements in many fields. Mobile innovation of the terrestrial la...
Forest canopy density assessment using different approaches – Review
satellite sensors vegetation index classification methods pixel based spectral analyses
2017/4/6
Crown canopy is a significant regulator of forest, affecting microclimate, soil conditions and having an undeniable role in a forest ecosystem. Among the different materials and approaches that have b...
EVALUATION OF FOREST CANOPY AND UNDERSTORY GAP FRACTION DERIVED FROM TERRESTRIAL LASER SCANNING
Forest structure Understory Gap fraction Terrestrial laser scanner
2016/11/30
The quantification of forest carbon sequestration is helpful to understand the carbon storage on the Earth. The estimation of forest carbon sequestration can be achieved by the use of leaf area index ...
GEOMETRICAL AND STRUCTURAL PARAMETERIZATION OF FOREST CANOPY RADIATIVE TRANSFER BY LIDAR MEASUREMENTS
Remote Sensing Forestry LIDAR Vegetation Modelling Structure
2015/12/30
A forest canopy is a complex system with a highly structural multi-scale architecture. Physical based radiative transfer (RT) modelling has been shown to be an effective tool for retrieval of vegetati...
FOREST CANOPY DENSITY ESTIMATING,USING SATELLITE IMAGES
Remote Sensing Accuracy IRS imagery Forest Canopy density Classification
2015/12/28
Forest Canopy density is a major factor in evaluation of forest status and is an important indicator of possible management interventions. Forest canopy cover, also known as canopy coverage or crown c...
A Comparison of Estimating Forest Canopy Height Integrating Multi-sensor data Synergy--A Case Study in Mountain Area of Three Gorges
Forest Canopy Height, Lidar Multisensor Integration Three Gorges Spatial models
2015/11/20
Forest canopy height is an important input for ecosystem and highly correlated with aboveground biomass at the landscape scale. In this paper, we make efforts to extracte the maximum canopy height usi...
A COMPARISON OF OBJECT-BASED AND PIXEL-BASED APPROACHES TO ESTIMATE LIDAR-MEASURED FOREST CANOPY HEIGHT USING QUICKBIRD IMAGERY
Canopy height Geographic object-based image analysis
2015/11/16
Canopy surface height (CSH) is a significant forest biophysical parameter to estimate above-ground biomass and carbon content.
High- spatial resolution optical remotely sensed data have shown promis...
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...
TWO-DIMENSIONAL FOREST CANOPY ARCHITECTURE FROM TERRESTRIAL LASER SCANNING
Terrestrial laser scanning forest gap fraction
2015/9/8
Terrestrial laser scanners (TLS) are now capable of collecting 3d data clouds consisting of the x,y,z coordinates of several million
laser hits, plus information on return intensity and, in some case...
SPECTRAL INVARIANT BEHAVIOUR OF A COMPLEX 3D FOREST CANOPY
Spectral invariant 3D canopy structure Monte Carlo ray tracing
2015/9/8
We present an attempt to apply the spectral invariant approach to canopy scattering of a complex forest canopy. Spectral invariant
theory describes a method of expressing photon scattering as a funct...
validation of dtms beneath forest canopy derived from p-band polarimetric insar
beneath forest canopy derived p-band polarimetric insar
2015/9/1
validation of dtms beneath forest canopy derived from p-band polarimetric insar.
FOREST CANOPY DENSITY MONITORING, USING SATELLITE IMAGES
Remote Sensing Forestry Change Detection Landsat Multispectral Thermal
2015/7/29
The increasing use of satellite Remote Sensing for civilian use has proved to be the most cost effective means of mapping and
monitoring environmental changes in terms of vegetation and non-renewabl...