Kim Calders
@kimcalders.bsky.social
Scientist with Ghent University. Laser Scanning - Remote Sensing - Monitoring #forests with #LiDAR & #UAV. Made in Belgium.
Reposted by Kim Calders
New paper by Wout Cherlet & @qforestlab.bsky.social team led by @kimcalders.bsky.social, comparing tree extraction methods from TLS data. TL;DR it's hard to automate, ecosystem dependent & parametric approaches currently outperform DL www.sciencedirect.com/science/arti...
Benchmarking tree instance segmentation of terrestrial laser scanning point clouds
Terrestrial laser scanning (TLS) has revolutionized forest measurement techniques by providing detailed three-dimensional (3D) point cloud data that c…
www.sciencedirect.com
November 4, 2025 at 2:44 PM
New paper by Wout Cherlet & @qforestlab.bsky.social team led by @kimcalders.bsky.social, comparing tree extraction methods from TLS data. TL;DR it's hard to automate, ecosystem dependent & parametric approaches currently outperform DL www.sciencedirect.com/science/arti...
Reposted by Kim Calders
The most well-know use-case of optical fibres is internet.
We show that it actually allows us to measure microclimate temperatures at the ultra-high resolution of 25 cm! Since these fibres can be very long, up to 30 km (!), this novel means of environmental monitoring seems super promising.
We show that it actually allows us to measure microclimate temperatures at the ultra-high resolution of 25 cm! Since these fibres can be very long, up to 30 km (!), this novel means of environmental monitoring seems super promising.
October 14, 2025 at 6:47 AM
The most well-know use-case of optical fibres is internet.
We show that it actually allows us to measure microclimate temperatures at the ultra-high resolution of 25 cm! Since these fibres can be very long, up to 30 km (!), this novel means of environmental monitoring seems super promising.
We show that it actually allows us to measure microclimate temperatures at the ultra-high resolution of 25 cm! Since these fibres can be very long, up to 30 km (!), this novel means of environmental monitoring seems super promising.
Reposted by Kim Calders
Our new perspective on what TLS can (& can't) do in forest research www.nature.com/articles/s41... - led by Eduardo Maeda w lots of great colleagues including @kimcalders.bsky.social @emilyrlines.bsky.social @louiseterryn.bsky.social @benjaminbrede.bsky.social (apols for any I don;t have @ for)
Expanding forest research with terrestrial LiDAR technology - Nature Communications
This Review highlights how terrestrial laser scanning is transforming forest research by enabling highly detailed 3D measurements of trees, supporting applications in forest ecology, carbon monitoring, and biodiversity assessment.
www.nature.com
October 6, 2025 at 3:35 PM
Our new perspective on what TLS can (& can't) do in forest research www.nature.com/articles/s41... - led by Eduardo Maeda w lots of great colleagues including @kimcalders.bsky.social @emilyrlines.bsky.social @louiseterryn.bsky.social @benjaminbrede.bsky.social (apols for any I don;t have @ for)
Reposted by Kim Calders
I like big trees and I cannot lie. Great bit of work by @kimcalders.bsky.social @louiseterryn.bsky.social and colleagues using innovative climbing and scanning approach. Stunning illustration of tree structural and biodiversity complexity zslpublications.onlinelibrary.wiley.com/doi/full/10....
Integrating terrestrial and canopy laser scanning for comprehensive analysis of large old trees: Implications for single tree and biodiversity research
Canopy laser scanning (CLS) enhances 3D measurements of large trees by lifting laser scanners into the canopy. Combining CLS with terrestrial laser scanning improves point cloud precision, reduces oc...
zslpublications.onlinelibrary.wiley.com
September 3, 2025 at 10:02 AM
I like big trees and I cannot lie. Great bit of work by @kimcalders.bsky.social @louiseterryn.bsky.social and colleagues using innovative climbing and scanning approach. Stunning illustration of tree structural and biodiversity complexity zslpublications.onlinelibrary.wiley.com/doi/full/10....
Reposted by Kim Calders
🆕 The first stunning images from our groundbreaking #Biomass satellite mission have been released – they mark a major leap forward in our ability to understand how Earth’s forests are changing and exactly how they contribute to the global carbon cycle 🌳🌍
www.esa.int/Applications...
www.esa.int/Applications...
June 23, 2025 at 10:56 AM
🆕 The first stunning images from our groundbreaking #Biomass satellite mission have been released – they mark a major leap forward in our ability to understand how Earth’s forests are changing and exactly how they contribute to the global carbon cycle 🌳🌍
www.esa.int/Applications...
www.esa.int/Applications...
Reposted by Kim Calders
Our new perspective on the use (& misuse) of what we're calling virtual forests (rather than digital twins!), for forest change from space, led by @kimcalders.bsky.social w many great colleagues 🔭 🧪🔬 www.sciencedirect.com/science/arti...
Realistic virtual forests for understanding forest disturbances and recovery from space
Forests worldwide are undergoing large-scale and unprecedented changes in terms of structure and composition due to land use change and natural distur…
www.sciencedirect.com
June 28, 2025 at 11:43 AM
Our new perspective on the use (& misuse) of what we're calling virtual forests (rather than digital twins!), for forest change from space, led by @kimcalders.bsky.social w many great colleagues 🔭 🧪🔬 www.sciencedirect.com/science/arti...
Job Alert!
We are hiring a new PhD candidate to work with me and @louiseterryn.bsky.social on multitemporal terrestrial laser scanning for better understanding forest structural dynamics at @qforestlab.bsky.social .
More info ➡️ bit.ly/449NunA
Apply here ➡️ bit.ly/3I5AnMP
Application deadline: Aug 3
We are hiring a new PhD candidate to work with me and @louiseterryn.bsky.social on multitemporal terrestrial laser scanning for better understanding forest structural dynamics at @qforestlab.bsky.social .
More info ➡️ bit.ly/449NunA
Apply here ➡️ bit.ly/3I5AnMP
Application deadline: Aug 3
June 20, 2025 at 12:14 PM
Job Alert!
We are hiring a new PhD candidate to work with me and @louiseterryn.bsky.social on multitemporal terrestrial laser scanning for better understanding forest structural dynamics at @qforestlab.bsky.social .
More info ➡️ bit.ly/449NunA
Apply here ➡️ bit.ly/3I5AnMP
Application deadline: Aug 3
We are hiring a new PhD candidate to work with me and @louiseterryn.bsky.social on multitemporal terrestrial laser scanning for better understanding forest structural dynamics at @qforestlab.bsky.social .
More info ➡️ bit.ly/449NunA
Apply here ➡️ bit.ly/3I5AnMP
Application deadline: Aug 3
Our campaign in the Blue Mountains is coming to an end. Since late April, we have been scanning several plots covering different vegetation types (33 done currently) within the Blue Mountains Hub for Ecology & Conservation. [1/4]
June 10, 2025 at 8:58 AM
Our campaign in the Blue Mountains is coming to an end. Since late April, we have been scanning several plots covering different vegetation types (33 done currently) within the Blue Mountains Hub for Ecology & Conservation. [1/4]
Reposted by Kim Calders
Sensors, scientists and sunshine. Thanks for the great Strucnet vegetation structural dynamics meeting @kimcalders.bsky.social.
May 15, 2025 at 4:46 PM
Sensors, scientists and sunshine. Thanks for the great Strucnet vegetation structural dynamics meeting @kimcalders.bsky.social.
Reposted by Kim Calders
Strucnet meeting organised by @kimcalders.bsky.social very much fun!
May 15, 2025 at 4:07 PM
Strucnet meeting organised by @kimcalders.bsky.social very much fun!
Reposted by Kim Calders
The #EucFACE canopy has finally recovered from the 19-20 drought and the 21-22 floods. Beautiful time for new Lidar scans! @westsyduhie.bsky.social @kimcalders.bsky.social
May 5, 2025 at 6:13 AM
The #EucFACE canopy has finally recovered from the 19-20 drought and the 21-22 floods. Beautiful time for new Lidar scans! @westsyduhie.bsky.social @kimcalders.bsky.social
Job Alert - Come work with us at @qforestlab.bsky.social!
I'm hiring a postdoctoral fellow in vegetation remote sensing and radiative transfer to work on my @erc.europa.eu SPACETWIN project (spacetwin.ugent.be).
More info ➡️ www.ugent.be/en/work/scie...
Deadline: March 7
I'm hiring a postdoctoral fellow in vegetation remote sensing and radiative transfer to work on my @erc.europa.eu SPACETWIN project (spacetwin.ugent.be).
More info ➡️ www.ugent.be/en/work/scie...
Deadline: March 7
February 11, 2025 at 6:48 PM
Job Alert - Come work with us at @qforestlab.bsky.social!
I'm hiring a postdoctoral fellow in vegetation remote sensing and radiative transfer to work on my @erc.europa.eu SPACETWIN project (spacetwin.ugent.be).
More info ➡️ www.ugent.be/en/work/scie...
Deadline: March 7
I'm hiring a postdoctoral fellow in vegetation remote sensing and radiative transfer to work on my @erc.europa.eu SPACETWIN project (spacetwin.ugent.be).
More info ➡️ www.ugent.be/en/work/scie...
Deadline: March 7
We are currently in Patagonia for our @ercresearch.bsky.social project #SPACETWIN, looking at the impact of caterpillar (Ormiscodes amphimone) disturbance on the Nothofagus forests. This is a @qforestlab.bsky.social collaboration with the team of Roberto O. Chávez from PUCV in Valparaíso [1/4]
January 17, 2025 at 4:02 PM
We are currently in Patagonia for our @ercresearch.bsky.social project #SPACETWIN, looking at the impact of caterpillar (Ormiscodes amphimone) disturbance on the Nothofagus forests. This is a @qforestlab.bsky.social collaboration with the team of Roberto O. Chávez from PUCV in Valparaíso [1/4]
Reposted by Kim Calders
@qforestlab.bsky.social There are so many leaf-wood separation algorithms, don't know how to choose?
Our latest work (from @qforestlab.bsky.social ) has addressed this issue by providing a robust evaluation framework. Interested? please check our paper: authors.elsevier.com/a/1kKNW7qzT3...
Our latest work (from @qforestlab.bsky.social ) has addressed this issue by providing a robust evaluation framework. Interested? please check our paper: authors.elsevier.com/a/1kKNW7qzT3...
authors.elsevier.com
December 30, 2024 at 12:37 PM
@qforestlab.bsky.social There are so many leaf-wood separation algorithms, don't know how to choose?
Our latest work (from @qforestlab.bsky.social ) has addressed this issue by providing a robust evaluation framework. Interested? please check our paper: authors.elsevier.com/a/1kKNW7qzT3...
Our latest work (from @qforestlab.bsky.social ) has addressed this issue by providing a robust evaluation framework. Interested? please check our paper: authors.elsevier.com/a/1kKNW7qzT3...
Wouter & Wout from @qforestlab.bsky.social are currently collecting TLS data at the Caxiuanã through-fall exclusion (TFE) experiment for our #ERC SPACETWIN working with our Brazilian collaborators and Patrick Meir. Continuing the TLS time-series that was initiated by @matdisney.bsky.social [1/2]
November 28, 2024 at 11:08 AM
Wouter & Wout from @qforestlab.bsky.social are currently collecting TLS data at the Caxiuanã through-fall exclusion (TFE) experiment for our #ERC SPACETWIN working with our Brazilian collaborators and Patrick Meir. Continuing the TLS time-series that was initiated by @matdisney.bsky.social [1/2]
Reposted by Kim Calders
Important finding for impact modelers by @kornhuber.bsky.social et al.: Climatic extremes change faster/ more severely than anticipated by climate models. The consequences anticipated with impact models (based on climate model-driven forcings) might thus be conservative. www.pnas.org/doi/10.1073/...
Global emergence of regional heatwave hotspots outpaces climate model simulations | PNAS
Multiple recent record-shattering weather events raise questions about the adequacy
of climate models to effectively predict and prepare for unprec...
www.pnas.org
November 27, 2024 at 7:01 AM
Important finding for impact modelers by @kornhuber.bsky.social et al.: Climatic extremes change faster/ more severely than anticipated by climate models. The consequences anticipated with impact models (based on climate model-driven forcings) might thus be conservative. www.pnas.org/doi/10.1073/...
Reposted by Kim Calders
Check out our database of 30+ ancient oaks 🌳 captured with #LiDAR
For the tree 😍: sketchfab.com/SCATTER.project
For the tree 🧑🔬: doi.org/10.5281/zenodo…
Funded by the Woodland Trust. With support from the Ancient Tree Forum.
For the tree 😍: sketchfab.com/SCATTER.project
For the tree 🧑🔬: doi.org/10.5281/zenodo…
Funded by the Woodland Trust. With support from the Ancient Tree Forum.
November 21, 2024 at 10:13 PM
Check out our database of 30+ ancient oaks 🌳 captured with #LiDAR
For the tree 😍: sketchfab.com/SCATTER.project
For the tree 🧑🔬: doi.org/10.5281/zenodo…
Funded by the Woodland Trust. With support from the Ancient Tree Forum.
For the tree 😍: sketchfab.com/SCATTER.project
For the tree 🧑🔬: doi.org/10.5281/zenodo…
Funded by the Woodland Trust. With support from the Ancient Tree Forum.
The first month of our field campaign in the Queensland Permanent Rainforest Plots (@QPRPaus - ) has been a success with 6 plots already completed and 10 more to go in the coming weeks! [1/5]
November 22, 2024 at 5:17 PM
The first month of our field campaign in the Queensland Permanent Rainforest Plots (@QPRPaus - ) has been a success with 6 plots already completed and 10 more to go in the coming weeks! [1/5]
It was great having Maurice Leponce give a guest lecture in our BSc course on Ecology, covering Tropical forest biodiversity: large-scale inventories, canopy access, and the role of natural history museums.
Great inspiration for our students!
Great inspiration for our students!
November 22, 2024 at 5:16 PM
It was great having Maurice Leponce give a guest lecture in our BSc course on Ecology, covering Tropical forest biodiversity: large-scale inventories, canopy access, and the role of natural history museums.
Great inspiration for our students!
Great inspiration for our students!
Experimental work on nondestructive monitoring of the dielectric permittivity dynamics of trees for @ERC_Research SPACETWIN with the installation of 2 wood penetrating radars.
In collaboration with François Demontoux & Ludovic Villard.
In collaboration with François Demontoux & Ludovic Villard.
November 22, 2024 at 5:16 PM
Experimental work on nondestructive monitoring of the dielectric permittivity dynamics of trees for @ERC_Research SPACETWIN with the installation of 2 wood penetrating radars.
In collaboration with François Demontoux & Ludovic Villard.
In collaboration with François Demontoux & Ludovic Villard.
Lathamus Keep, a Tasmanian giant Eucalyptus globulus (+80 m tall) in the Huon Valley scanned by terrestrial and canopy laser scanning.
At 8 m high, it’s diameter is still an astonishing 3 m!
View it in 3D here:
w. @TerraLuma @l_hambrecht @BarbaraDhont
At 8 m high, it’s diameter is still an astonishing 3 m!
View it in 3D here:
w. @TerraLuma @l_hambrecht @BarbaraDhont
November 22, 2024 at 5:16 PM
Lathamus Keep, a Tasmanian giant Eucalyptus globulus (+80 m tall) in the Huon Valley scanned by terrestrial and canopy laser scanning.
At 8 m high, it’s diameter is still an astonishing 3 m!
View it in 3D here:
w. @TerraLuma @l_hambrecht @BarbaraDhont
At 8 m high, it’s diameter is still an astonishing 3 m!
View it in 3D here:
w. @TerraLuma @l_hambrecht @BarbaraDhont
Vacancy!
Join our team as a postdoctoral fellow (2yr position) on our newly funded @FWOVlaanderen project with @LouiseTerrynn and @shaunlevick!
Info:
Apply by Feb 9:
Join our team as a postdoctoral fellow (2yr position) on our newly funded @FWOVlaanderen project with @LouiseTerrynn and @shaunlevick!
Info:
Apply by Feb 9:
November 22, 2024 at 5:16 PM
Vacancy!
Join our team as a postdoctoral fellow (2yr position) on our newly funded @FWOVlaanderen project with @LouiseTerrynn and @shaunlevick!
Info:
Apply by Feb 9:
Join our team as a postdoctoral fellow (2yr position) on our newly funded @FWOVlaanderen project with @LouiseTerrynn and @shaunlevick!
Info:
Apply by Feb 9:
What a great two weeks in Tasmania with @TerraLuma and @l_hambrecht mapping giant and old trees for @ERC_Research SPACETWIN. We managed to scan 10 giants (with some well over >80m in height).
November 22, 2024 at 5:16 PM
What a great two weeks in Tasmania with @TerraLuma and @l_hambrecht mapping giant and old trees for @ERC_Research SPACETWIN. We managed to scan 10 giants (with some well over >80m in height).
I have arrived in Big Tree State Tasmania! Working with @UTAS_ @TerraLuma on giant tree mapping for @ERC_Research SPACETWIN, with help from @CorigJan, @l_hambrecht & the tree projects. More soon!
November 22, 2024 at 5:16 PM
I have arrived in Big Tree State Tasmania! Working with @UTAS_ @TerraLuma on giant tree mapping for @ERC_Research SPACETWIN, with help from @CorigJan, @l_hambrecht & the tree projects. More soon!
The first leg of my Australian fieldwork trip was a success with a range of benchmark scans covering various forest structures with our RIEGL TLS and the autonomous LEAF scanners from ESS Darius Culvenor. Glad to have some hands-on training for LEAF installment from Darius!
November 22, 2024 at 5:16 PM
The first leg of my Australian fieldwork trip was a success with a range of benchmark scans covering various forest structures with our RIEGL TLS and the autonomous LEAF scanners from ESS Darius Culvenor. Glad to have some hands-on training for LEAF installment from Darius!