high density airborne laser scanning
Evaluation of airborne laser scanning data for tree parameters and terrain modelling in forest environment
... areas laser pulses may refl ect from diff erent layers of vegetative cover covering the highest vegetation level (fi rst return), middle level (second and following returns) and earth ground (the last ...canopy ...
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Survey by Airborne Laser Scanner of open large structure: A case study of Pompeii Amphitheatre
... Airborne Laser Scanning (ALS) is an active Remote Sensing technique based on Light Detection and Ranging (LiDAR) measurements from an airborne or helicopter [1;2] and most recently, even from ...
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Mapping tree canopies in urban environments using airborne laser scanning (ALS): a Vancouver case study
... Airborne laser scanning (ALS), also known as light detection and ranging (LiDAR), offers a means to dir- ectly measure the three-dimensional structure of vegeta- ...obtain high-precision, ...
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Estimating aboveground carbon density and its uncertainty in Borneo’s structurally complex tropical forests using airborne laser scanning
... provide high-resolution information on the 3-D structure of canopies, which directly relates to ...to high operational ...making high-resolution laser-ranging observations from the ...
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ELABORATION OF THE 3D MODEL AND SURVEY OF THE POWER LINES USING DATA FROM AIRBORNE LASER SCANNING
... obtain high values of density of the resulting point ...7 high voltage pylons. While, the dense cloud was obtained for two high-power lines (3 pylons) and low voltage line (8 poles) running ...
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Utilising airborne scanning laser (LiDAR) to improve the assessment of Australian native forest structure
... Methods for processing moderate spatial resolution (~20 m+) remote sensing to produce forest and land cover information are well developed and accepted (e.g., Richards et al., 2000; Cihlar, 2000; Donoghue, 2000; ...
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Estimating aboveground carbon density and its uncertainty in Borneo's structurally complex tropical forests using airborne laser scanning
... provide high-resolution information on the 3-D structure of canopies, which directly relates to ...to high operational ...making high-resolution laser-ranging observations from the ...
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Estimating urban above ground biomass with multi-scale LiDAR
... capture high resolution, 3D informa- tion on tree and forest structure, such as canopy height, crown size and stem density [24, ...and airborne laser scanning (aka TLS and ALS ...
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Tropical peatland vegetation structure and biomass: optimal exploitation of airborne laser scanning
... Development in remote sensing technology over the last two decades, specifically in Light Detection and Ranging (LiDAR) [22,23], has revolutionised the retrieval and accuracy of forest structural attributes, including ...
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On the potential to predetermine dominant tree species based on sparse-density airborne laser scanning data for improving subsequent predictions of species-specific timber volumes
... High species recognition accuracy is crucial for forest management planning systems that involve different treatment schedules depending on species and also im- portant towards accurate growth and yield estimates. ...
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Airborne Laser Scanning the Status and Perspectives for the Application in the South East European Forestry
... ALS provides researchers, among other, with a novel approach in obtaining the information on the vertical structure of the forest stands at large areas and with high-density, making the ALS technology ...
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Airborne laser scanning of natural forests in New Zealand reveals the influences of wind on forest carbon
... at high altitude and successional forests and shrublands growing at lower alti- tudes following human or natural disturbance (Wiser et ...Wood density estimates for each species were obtained from databases ...
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Potential of the Incidence Angle Effect on the Radiometric Calibration of Full-Waveform Airborne Laser Scanning in Urban Areas
... The physical information from FWF-ALS data is affected by many variables during the travel between the sensor and the target. These include sensor properties, atmospheric conditions, incidence angle and other target ...
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Estimating Vertical Distribution of Vegetation Cover in Temperate Heterogeneous Forests Using Airborne Laser Scanning Data
... on density, reflectivity and orientation of leaves and canopy closure (Gaveau & Hill, 2003, Clark et ...in laser penetration between species of the broad-leaved poplar box and the coniferous cypress ...
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Thermal and Mechanical Properties of Commercial Purity Aluminum Fabricated Using Selective Laser Melting
... low-energy density condition were irreg- ularly shaped with un-melted powder ...relative density of the SLM sample fabricated under the low-energy density condi- tion was attributed to the incomplete ...
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Remote sensing tools for the objective quantification of tree structural condition from individual trees to landscape scale assessment
... Trees are an environmental resource that offer a range of benefits in both rural and urban contexts. Trees are however, subject to a wide range of environmental stressors that interfere with their structure, which can ...
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The use of airborne laser scanning to develop a pixel-based stratification for a verified carbon offset project
... from airborne and satellite-borne sensors - Landsat Thematic Mapping Imagery [15,16], IKONOS imagery [17], Quickbird ima- gery [17-20], SPOT HRG imagery [21], Moderate Reso- lution Imaging Spectroradiometer ...
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Monitoring forest carbon in a Tanzanian woodland using interferometric SAR: a novel methodology for REDD+
... A second and considerable source of random errors is the large variation in the form of tree trunks. The X-band SAR, as most existing remote sensing methods is mainly influenced by the canopy objects, and only to some ...
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A conceptual framework for an integrated spatial environmental impact assessment based on GIS
... ABM Australian Bulk Minerals ABS Australian Bureau of Statistics AMD Acid Mine Drainage ARD Acid Rock Drainage ALS Airborne Laser Scanning ASDD Australian Spatial Data Directory ASDI Aus[r] ...
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Monitoring forests in space and time using close-range sensing
... Time-series of UAV imagery have been used to monitor forest health. Kloucek et al. (2019) used UAV mounted RGB (Red, Green, Blue) and CIR (Color-infrared) cameras for the detection of bark beetle infestation. They ...
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