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Detailed reconstruction of trees from terrestrial laser scans for remote sensing and radiative transfer modelling applications

Růžena Janoutová, Lucie Homolová, Jan Novotný, Barbora Navrátilová, Miroslav Pikl, Zbyněk Malenovský
2021 in silico Plants  
Our algorithm for 3D model construction of a single tree is based on terrestrial laser scanning (TLS) and ancillary field measurements of leaf angle distribution, percentage of current-year and older leaves  ...  We selected three forest species of different architecture: Norway spruce (Picea abies) and European beech (Fagus sylvatica), representatives of European production forests, and white peppermint (Eucalyptus  ...  from the RMIT University in Melbourne for acquisition of the white peppermint TLS point clouds, and IFER -Institute of Forest Ecosystem Research, Ltd. and IFER -Monitoring and Mapping Solutions, Ltd.  ... 
doi:10.1093/insilicoplants/diab026 fatcat:lugtjqbo7vctfkxe2kpx5nezya

New Opportunities for Forest Remote Sensing Through Ultra-High-Density Drone Lidar

James R. Kellner, John Armston, Markus Birrer, K. C. Cushman, Laura Duncanson, Christoph Eck, Christoph Falleger, Benedikt Imbach, Kamil Král, Martin Krůček, Jan Trochta, Tomáš Vrška (+1 others)
2019 Surveys in geophysics  
We then describe a case study using a heavy-lift autonomous helicopter in a temperate mountain forest in the southern Czech Republic in support of calibration and validation activities for the NASA Global  ...  Low-altitude flight using drones enables the collection of ultra-high-density point clouds using wider laser scan angles than have been possible from traditional airborne platforms.  ...  laser scans using a low-altitude drone under leaf-off and leaf-on conditions 51 days apart The measurements were collected using the Brown Platform for Autonomous Remote Sensing and contrast a closed-canopy  ... 
doi:10.1007/s10712-019-09529-9 pmid:31395993 pmcid:PMC6647463 fatcat:cs2r4y52ive73mlibznn3tibhe

Improving leaf area index (LAI) estimation by correcting for clumping and woody effects using terrestrial laser scanning

Xi Zhu, Andrew K. Skidmore, Tiejun Wang, Jing Liu, Roshanak Darvishzadeh, Yifang Shi, Joe Premier, Marco Heurich
2018 Agricultural and Forest Meteorology  
Terrestrial laser scanning (TLS) provides a 3-dimensional view of the forest canopy, which we used in this study to improve LAI estimation by directly retrieving leaf angle distribution, and subsequently  ...  In addition, the leaf angle distribution which strongly affects the estimation of LAI is either ignored while using the convergent angle 57.5°, or inversed simultaneously with LAI using multiple directions  ...  We thank the Bavarian Forest National Park for supporting the data collection. We acknowledge the support of the "Data Pool Forestry" data-sharing initiative of the Bavarian Forest National Park.  ... 
doi:10.1016/j.agrformet.2018.08.026 fatcat:ijqydhugkbgm5agrqfstzxocaq

Close-range laser scanning in forests: towards physically based semantics across scales

F. Morsdorf, D. Kükenbrink, F. D. Schneider, M. Abegg, M. E. Schaepman
2018 Interface Focus  
One contribution of 12 to a theme issue 'The terrestrial laser scanning revolution in forest ecology'.  ...  More complex variables, e.g. leaf area index, need a thorough understanding and consideration of the physical particularities of the measurement process and semantic labelling of the point cloud.  ...  Laser scanning point cloud as obtained by multi-view terrestrial laser scanning in a mature temperate beech forest in leaf-off conditions.  ... 
doi:10.1098/rsfs.2017.0046 pmid:29503725 fatcat:durvze7zcze33jotfspy4xx4ka

Applications of TLS and ALS in Evaluating Forest Ecosystem Services: A Southern Carpathians Case Study

Alexandru Claudiu Dobre, Ionuț-Silviu Pascu, Ștefan Leca, Juan Garcia-Duro, Carmen-Elena Dobrota, Gheorghe Marian Tudoran, Ovidiu Badea
2021 Forests  
This research aims to identify and implement existing methods that can be used for evaluating ecosystem services by employing airborne and terrestrial stationary laser scanning on plots from the Southern  ...  Moreover, this paper discusses the adaptation of field-based approaches for evaluating ecological indicators to automated processing techniques based on airborne and terrestrial stationary laser scanning  ...  Funding: This study was conducted under the project CRESFORLIFE (SMIS 105506), subsidiary contract no. 18/2020, co-financed by the European Regional Development Fund through the 2014-2020 Competitiveness  ... 
doi:10.3390/f12091269 fatcat:lsdzd63il5datedubdjaqenxvu

Comparing RIEGL RiCOPTER UAV LiDAR Derived Canopy Height and DBH with Terrestrial LiDAR

Benjamin Brede, Alvaro Lau, Harm Bartholomeus, Lammert Kooistra
2017 Sensors  
In recent years, LIght Detection And Ranging (LiDAR) and especially Terrestrial Laser Scanning (TLS) systems have shown the potential to revolutionise forest structural characterisation by providing unprecedented  ...  Unmanned Aerial Vehicle (UAV)-borne laser scanning can be the way in between.  ...  Terrestrial Laser Scanning (TLS) has the potential to accurately measure AGB on a plot scale [3, 4] , while Airborne Laser Scanning (ALS) from manned aircraft can serve as means to up-scale plot measurements  ... 
doi:10.3390/s17102371 pmid:29039755 pmcid:PMC5677400 fatcat:utco4qynabc6xkaoriv52bvwqi

A voxel matching method for effective leaf area index estimation in temperate deciduous forests from leaf-on and leaf-off airborne LiDAR data

Xi Zhu, Jing Liu, Andrew K. Skidmore, Joe Premier, Marco Heurich
2020 Remote Sensing of Environment  
We applied a voxel matching algorithm to estimate eLAI of deciduous forests using simulated and field LiDAR data under leaf-on and leaf-off conditions.  ...  In addition, we evaluated the performance of 96 LiDAR metrics under leaf-on conditions for eLAI prediction using a statistical model.  ...  We thank the "Data Pool Forestry" data-sharing initiative of the Bavarian Forest National Park.  ... 
doi:10.1016/j.rse.2020.111696 fatcat:y6w2sozsu5cc3bn4y7ahxsuhea

Four Dimensional Mapping of Vegetation Moisture Content Using Dual-Wavelength Terrestrial Laser Scanning

Ahmed Elsherif, Rachel Gaulton, Jon Mills
2019 Remote Sensing  
Recently, terrestrial laser scanning (TLS) has shown potential in measuring vegetation biochemical traits in three dimensions (3D) by using reflectance derived from backscattered intensity data.  ...  Leaf equivalent water thickness (EWT), a metric widely used in vegetation health monitoring, has been successfully linked to the normalized difference index (NDI) of near and shortwave infrared wavelengths  ...  Acknowledgments: The authors would like to thank Hexagon Geosystems for loan of the Leica P50 scanner used in the experiments. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs11192311 fatcat:nb7tsllcxbda7mv4zbmj4n7aha

The Horizontal Distribution of Branch Biomass in European Beech: A Model Based on Measurements and TLS Based Proxies

César Pérez-Cruzado, Christoph Kleinn, Paul Magdon, Juan Gabriel Álvarez-González, Steen Magnussen, Lutz Fehrmann, Nils Nölke
2021 Remote Sensing  
We then applied Terrestrial Laser Scanning (TLS) to a subset of 17 trees to test a simple point cloud metric predicting the branch HBD.  ...  In this study, we derive a first empirical model of the branch HBD for individual trees of European beech (Fagus sylvatica L.).  ...  Acknowledgments: We gratefully acknowledge the help received in fieldwork from a team of students from our international master programme TIF in Göttingen: many thanks to Najeeb Al-Amin Iddris, Huy Luan  ... 
doi:10.3390/rs13051041 fatcat:vcmuwbarpfb7ngbczkoh5c3uoa

Predicting Tree Species From 3D Laser Scanning Point Clouds Using Deep Learning

Dominik Seidel, Peter Annighöfer, Anton Thielman, Quentin Edward Seifert, Jan-Henrik Thauer, Jonas Glatthorn, Martin Ehbrecht, Thomas Kneib, Christian Ammer
2021 Frontiers in Plant Science  
It is, however, an important task for laser scanning-based forest inventory, ecosystem models, and to support forest management.  ...  a computationally efficient way.  ...  combinations of several selected structural measures like tree height, leaf area index, branch angle (Lin and Herold, 2016) .  ... 
doi:10.3389/fpls.2021.635440 pmid:33643364 pmcid:PMC7902704 fatcat:55lktm5hjbcqjlx2vwmyhh646y

Quantifying the target state of forest stands managed with the continuous cover approach – revisiting Möller's "Dauerwald" concept after 100 years

Melissa Stiers, Peter Annighöfer, Dominik Seidel, Katharina Willim, Liane Neudam, Christian Ammer
2020 Trees, Forests and People  
Here we used data from terrestrial laser scanning (TLS) to quantify differences in stand structure between forests managed for decades according to the continuous cover concept and forests managed otherwise  ...  We found that the vertical distribution of plant material in the continuous cover stands was relatively homogeneous and similar to the vertical distribution found in primary European beech forests.  ...  First, we thank Hans von der Goltz representative for all members of the "ANW -Arbeitsgemeinschaft naturnaher Waldbau " that helped us getting in contact with forest owners and their forest administrations  ... 
doi:10.1016/j.tfp.2020.100004 fatcat:kajlfirpuvdqvdndkblawbr4ae

Terrestrial Laser Scanning for Quantifying Timber Assortments from Standing Trees in a Mixed and Multi-Layered Mediterranean Forest

Cesar Alvites, Giovanni Santopuoli, Markus Hollaus, Norbert Pfeifer, Mauro Maesano, Federico Valerio Moresi, Marco Marchetti, Bruno Lasserre
2021 Remote Sensing  
Terrestrial laser scanning (TLS) became a promising tool for timber assortment assessment compared to the traditional surveys, allowing reconstructing the tree architecture directly and rapidly.  ...  This study aims to introduce an approach for timber assortment assessment using TLS data in a mixed and multi-layered Mediterranean forest.  ...  Acknowledgments: This research was supported by the LIFE program and the Italian Academy of Forest Sciences, in the framework of the project "FRESh LIFE-Demonstrating Remote Sensing integration in sustainable  ... 
doi:10.3390/rs13214265 fatcat:kqo67beuh5gs7nrj45fjahomcq

The Laegeren Site: An Augmented Forest Laboratory [chapter]

Felix Morsdorf, Fabian D. Schneider, Carla Gullien, Daniel Kükenbrink, Reik Leiterer, Michael E. Schaepman
2020 Remote Sensing of Plant Biodiversity  
Terrestrial Laser Scanning On a subset of about 60 m × 60 m, a ground-based TLS survey was carried out using a Riegl VZ1000 instrument.  ...  The gray structure southwest of the bounding box is the flux tower, and the small inset shows the total extent of the single-tree ground inventory Fig. 4. 4 4 Terrestrial laser scan of a beech-dominated  ... 
doi:10.1007/978-3-030-33157-3_4 fatcat:ldupmw74afeshgo3gj6zo2v67y

Terrestrial laser scanning in forest ecology: Expanding the horizon

Kim Calders, Jennifer Adams, John Armston, Harm Bartholomeus, Sebastien Bauwens, Lisa Patrick Bentley, Jerome Chave, F. Mark Danson, Miro Demol, Mathias Disney, Rachel Gaulton, Sruthi M. Krishna Moorthy (+7 others)
2020 Remote Sensing of Environment  
Terrestrial laser scanning (TLS) was introduced for basic forest measurements, such as tree height and diameter, in the early 2000s.  ...  Here, we provide an interdisciplinary focus to explore current developments in TLS to measure and monitor forest structure.  ...  Acknowledgements This paper is the result of the 4th scientific meeting on terrestrial laser scanning in forest ecology hosted by Ghent University in 2019.  ... 
doi:10.1016/j.rse.2020.112102 fatcat:wvk37s2zlzfihamze5hwxrdmdu

Small Scale Rainfall Partitioning in a European Beech Forest Ecosystem Reveals Heterogeneity of Leaf Area Index and Its Connectivity to Hydro-and Atmosphere

Nico Frischbier, Katharina Tiebel, Alexander Tischer, Sven Wagner
2019 Geosciences  
be determined by simultaneous records of precipitation; (2) Methods: Spatially explicit measurements of throughfall were conducted repeatedly below beech and in forest gaps for rain events in leafed and  ...  We hypothesize that the spatial variability of LAI at the scale of crown sections of a single European beech (Fagus sylvatica L.) tree in a highly structured, mixed European beech-Norway spruce stand can  ...  Acknowledgments: We thank Konrad Wälder for providing us with helpful regression functions.  ... 
doi:10.3390/geosciences9090393 fatcat:mg4giozlrjdktcvz5s4yqbdehe
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