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airborne laser scanning data

Airborne laser scanning data as a source of field topographical characteristics
 

Airborne laser scanning data as a source of field topographical characteristics  

... Topographic data can be obtained from various sources with different ...of airborne laser scanning data for use as another source of topographical characteristics creation in a smaller ...

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Quantifying the scales of spatial variation in gravel beds using terrestrial and airborne laser scanning data

Quantifying the scales of spatial variation in gravel beds using terrestrial and airborne laser scanning data

... We are pleased to submit the attached manuscript entitled ‘Quantifying the scales of spatial variation in gravel beds using terrestrial and airborne laser scanning data’, for consideration for ...

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Visualisation of urban airborne laser scanning data with occlusion images

Visualisation of urban airborne laser scanning data with occlusion images

... process. As explained in Section 1, an overhead view is constructed either directly from the return pulse intensities or by generating a grey-scale image from the point elevations in the ALS data. The latter will ...

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Predicting the provisioning potential of forest ecosystem services using airborne laser scanning data and forest resource maps

Predicting the provisioning potential of forest ecosystem services using airborne laser scanning data and forest resource maps

... ALS data can be seen to lie especially in applications that require identifying sites with high value for ...ALS data coverage is globally increasing and the method has been proven to provide 3D de- ...

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Estimating Vertical Distribution of Vegetation Cover in Temperate Heterogeneous Forests Using Airborne Laser Scanning Data

Estimating Vertical Distribution of Vegetation Cover in Temperate Heterogeneous Forests Using Airborne Laser Scanning Data

... ALS data (Nelson, 1997; Næsset, 1997, 2004; Holm- gren & Persson, 2004; Moffiet et ...in laser penetration between species of the broad-leaved poplar box and the coniferous cypress pine; while poplar ...

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Development of models for forest variable estimation from airborne laser scanning data using an area based approach at a plot level

Development of models for forest variable estimation from airborne laser scanning data using an area based approach at a plot level

... them to the Pandas format data frame, and further- more calls each private method, constructed for data converting, cleaning and handling. The first public method being actually called by the user is the ...

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Evaluation of airborne laser scanning data for tree parameters and terrain modelling in forest environment

Evaluation of airborne laser scanning data for tree parameters and terrain modelling in forest environment

... on data acquired primarily from forest ...of data processing of ...measured data as well as variety of interpolation of fi ltered (and classifi ed) data into DEM or DSM (Klimánek, 2006; Cibulka ...

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Area-based vs tree-centric approaches to mapping forest carbon in Southeast Asian forests from airborne laser scanning data

Area-based vs tree-centric approaches to mapping forest carbon in Southeast Asian forests from airborne laser scanning data

... from airborne laser scanning, there is current interest in developing individual-tree-based approaches to make greater use of the 3D information contained in ALS data ...

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ANALYSING AND MODELLING TERRAIN SURFACE CHANGES USING AIRBORNE LASER SCANNING DATA

ANALYSING AND MODELLING TERRAIN SURFACE CHANGES USING AIRBORNE LASER SCANNING DATA

... An important aspect that must be taken into account is the flight time of data acquisition. For example, in spring or summer, due to the leaf-on conditions, the chances for the laser pulse to reach the ...

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Estimation of forest structure metrics relevant to hydrologic modelling using coordinate transformation of airborne laser scanning data

Estimation of forest structure metrics relevant to hydrologic modelling using coordinate transformation of airborne laser scanning data

... 4.4 Methodological advantages and applicability There are a number of advantages associated with transform- ing ALS coordinates to generate hemispherical synthetic im- ages. First, geometrical discrepancies between ALS ...

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The use of airborne laser scanning to develop a pixel-based stratification for a verified carbon offset project

The use of airborne laser scanning to develop a pixel-based stratification for a verified carbon offset project

... sensed data it is likely that the sample reduction would be even more significant (future efforts will likely sample based on Board Foot volume or total volume as this is more related to forest ...

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Airborne laser scanning of natural forests in New Zealand reveals the influences of wind on forest carbon

Airborne laser scanning of natural forests in New Zealand reveals the influences of wind on forest carbon

... and data quality con- ...raw data specification of ...cloud data were merged, tiled, and automatically classified into ground and non-ground returns using the open-source LiDAR processing software, ...

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Application and validation of long-range terrestrial laser scanning to monitor the mass balance of very small glaciers in the Swiss Alps

Application and validation of long-range terrestrial laser scanning to monitor the mass balance of very small glaciers in the Swiss Alps

... An accumulation and distributed temperature-index melt model (Hock, 1999; Huss et al., 2009) was applied to de- rive the spatial surface mass balance distribution of the four glaciers with direct measurements in daily ...

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Forest biomass change estimated from height change in interferometric SAR height models

Forest biomass change estimated from height change in interferometric SAR height models

... Tandem-X data were from an ascending, right looking TanDEM-X stripmap image pair acquired in the morning on 14 th July 2011 (Table ...The data were re- ceived from DLR as co-registered Single Look Complex ...

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Application of digital medical techniques on interdisciplinary talent education of stomatology and mechanical engineering

Application of digital medical techniques on interdisciplinary talent education of stomatology and mechanical engineering

... Another group is studying a new dental implant with analogue shape of natural tooth. The impalnt has two roots, and is designed with serial parametes based on statistical data of large mounts of natural teeth, as ...

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Potential of the Incidence Angle Effect on the Radiometric Calibration of Full-Waveform Airborne Laser Scanning in Urban Areas

Potential of the Incidence Angle Effect on the Radiometric Calibration of Full-Waveform Airborne Laser Scanning in Urban Areas

... FWF-ALS data is affected by many variables during the travel between the sensor and the ...The data-driven approach is based on estimating a calibration parameter for the whole flight campaign by using the ...

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Mapping tree canopies in urban environments using airborne laser scanning (ALS): a Vancouver case study

Mapping tree canopies in urban environments using airborne laser scanning (ALS): a Vancouver case study

... sensing data provides spatial layers upon which relationships can be developed between urban green- space and social issues such as access to parks and re- creation areas and provides a platform for extrapolation ...

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Monitoring forest carbon in a Tanzanian woodland using interferometric SAR: a novel methodology for REDD+

Monitoring forest carbon in a Tanzanian woodland using interferometric SAR: a novel methodology for REDD+

... However, an MRV and carbon accounting approach as outlined above has considerable limitations. First, gradual carbon changes from degradation and forest growth are difficult to detect because they can occur with minor ...

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Utilising airborne scanning laser (LiDAR) to improve the assessment of Australian native forest structure

Utilising airborne scanning laser (LiDAR) to improve the assessment of Australian native forest structure

... Research efforts to better understand the information content of optical remotely sensed data at medium scales have utilised aspects of the multi-scale use of geographical entities. The multi-scale basic entity ...

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Estimating urban above ground biomass with multi-scale LiDAR

Estimating urban above ground biomass with multi-scale LiDAR

... and airborne laser scanning (aka TLS and ALS respectively); the former pro- vides high fidelity information over a small spatial extents (10’s to 100’s of metres) whereas the latter offers synoptic ...

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