Nikola Besic
@nikobesic.bsky.social
Environmental remote sensing and spatial modeling
(🛰〰️🌳, previously 📡〰️🌧️),
randonnée 🥾, vélo 🚲, et théâtre 🎭 :)
📍 LIF - Géodata Paris / French Mapping Agency (@ignfrance.bsky.social)
+ info ➡️ https://nbesic.github.io
(🛰〰️🌳, previously 📡〰️🌧️),
randonnée 🥾, vélo 🚲, et théâtre 🎭 :)
📍 LIF - Géodata Paris / French Mapping Agency (@ignfrance.bsky.social)
+ info ➡️ https://nbesic.github.io
My PhD student Selim and I are looking for a motivated Master student to take on a pretty cool challenge: testing the NASA GEDI L4B biomass product across mainland France using a version of the algorithm Selim has been developing in his PhD -building on IGN’s LiDAR HD and NFI data.
Pls share! :)
Pls share! :)
October 17, 2025 at 5:30 AM
My PhD student Selim and I are looking for a motivated Master student to take on a pretty cool challenge: testing the NASA GEDI L4B biomass product across mainland France using a version of the algorithm Selim has been developing in his PhD -building on IGN’s LiDAR HD and NFI data.
Pls share! :)
Pls share! :)
Reposted by Nikola Besic
Le réchauffement climatique n’est pas une « arnaque ». C’est un fait.
Face aux nouvelles déclarations climatosceptiques de Donald Trump, les scientifiques du CNRS réagissent en rappelant les faits.
👉 www.cnrs.fr/fr/actualite...
Face aux nouvelles déclarations climatosceptiques de Donald Trump, les scientifiques du CNRS réagissent en rappelant les faits.
👉 www.cnrs.fr/fr/actualite...
Le réchauffement climatique n’est pas une « arnaque ». C’est un fait
Face à la nouvelle négation du changement climatique par Donald Trump, les scientifiques du CNRS réagissent en rappelant les faits et les leviers d’acti
www.cnrs.fr
September 26, 2025 at 3:35 PM
Le réchauffement climatique n’est pas une « arnaque ». C’est un fait.
Face aux nouvelles déclarations climatosceptiques de Donald Trump, les scientifiques du CNRS réagissent en rappelant les faits.
👉 www.cnrs.fr/fr/actualite...
Face aux nouvelles déclarations climatosceptiques de Donald Trump, les scientifiques du CNRS réagissent en rappelant les faits.
👉 www.cnrs.fr/fr/actualite...
Multiple models, one forest: a Bayesian perspective.
Led by Nicolas Picard, we combined climate-sensitive forest models to see where they agree - and where they don’t.
A better way to predict European beech’s future in a changing climate.
Read more 👉 authors.elsevier.com/c/1lrB815DJ-...
Led by Nicolas Picard, we combined climate-sensitive forest models to see where they agree - and where they don’t.
A better way to predict European beech’s future in a changing climate.
Read more 👉 authors.elsevier.com/c/1lrB815DJ-...
September 27, 2025 at 1:10 PM
Multiple models, one forest: a Bayesian perspective.
Led by Nicolas Picard, we combined climate-sensitive forest models to see where they agree - and where they don’t.
A better way to predict European beech’s future in a changing climate.
Read more 👉 authors.elsevier.com/c/1lrB815DJ-...
Led by Nicolas Picard, we combined climate-sensitive forest models to see where they agree - and where they don’t.
A better way to predict European beech’s future in a changing climate.
Read more 👉 authors.elsevier.com/c/1lrB815DJ-...
Reposted by Nikola Besic
La Journée mondiale de la mer est aujourd'hui.
Pour l'occasion, un article grand public sur l'importance des océans dans le système climatique :
- une augmentation de l'acidité
- des extrêmes chauds + intenses et + chauds
- un niveau qui ↗️
Avec des conséquences désastreuses
👇
tinyurl.com/bdcmx2hb
Pour l'occasion, un article grand public sur l'importance des océans dans le système climatique :
- une augmentation de l'acidité
- des extrêmes chauds + intenses et + chauds
- un niveau qui ↗️
Avec des conséquences désastreuses
👇
tinyurl.com/bdcmx2hb
L’océan face au changement climatique | Météo-France
En absorbant la chaleur, l'océan a un important effet modérateur sur le climat et ses changements. Il est aussi particulièrement vulnérable au réchauffement climatique global et à l'augmentation du co...
tinyurl.com
September 25, 2025 at 8:10 AM
La Journée mondiale de la mer est aujourd'hui.
Pour l'occasion, un article grand public sur l'importance des océans dans le système climatique :
- une augmentation de l'acidité
- des extrêmes chauds + intenses et + chauds
- un niveau qui ↗️
Avec des conséquences désastreuses
👇
tinyurl.com/bdcmx2hb
Pour l'occasion, un article grand public sur l'importance des océans dans le système climatique :
- une augmentation de l'acidité
- des extrêmes chauds + intenses et + chauds
- un niveau qui ↗️
Avec des conséquences désastreuses
👇
tinyurl.com/bdcmx2hb
Reposted by Nikola Besic
Want to do a PhD in remote sensing? Interested in mountain forest ecosystems? Then apply for a PhD position in our lab! You will be part of the newly founded Centre for Forest Management in the Alps, working on scaling tree productivity from tree to landscape scale. Deadline 21st September.
September 4, 2025 at 11:55 AM
Want to do a PhD in remote sensing? Interested in mountain forest ecosystems? Then apply for a PhD position in our lab! You will be part of the newly founded Centre for Forest Management in the Alps, working on scaling tree productivity from tree to landscape scale. Deadline 21st September.
Many thanks to Martin, Philippe, and all other co-authors for the great collaboration!
4/4
4/4
August 24, 2025 at 7:37 PM
Many thanks to Martin, Philippe, and all other co-authors for the great collaboration!
4/4
4/4
🔍 More highlights:
- Height time series captures local forest growth, validated with ALS.
- Species-specific height–age curves consistent with field data.
3/4
- Height time series captures local forest growth, validated with ALS.
- Species-specific height–age curves consistent with field data.
3/4
August 24, 2025 at 7:37 PM
🔍 More highlights:
- Height time series captures local forest growth, validated with ALS.
- Species-specific height–age curves consistent with field data.
3/4
- Height time series captures local forest growth, validated with ALS.
- Species-specific height–age curves consistent with field data.
3/4
🔍 Highlights:
- Yearly forest height, AGB, and GSV maps (2018–2024) at 10–30 m resolution in France.
- Canopy height validated with NFI data (MAE = 3.07 m).
2/4
- Yearly forest height, AGB, and GSV maps (2018–2024) at 10–30 m resolution in France.
- Canopy height validated with NFI data (MAE = 3.07 m).
2/4
August 24, 2025 at 7:37 PM
🔍 Highlights:
- Yearly forest height, AGB, and GSV maps (2018–2024) at 10–30 m resolution in France.
- Canopy height validated with NFI data (MAE = 3.07 m).
2/4
- Yearly forest height, AGB, and GSV maps (2018–2024) at 10–30 m resolution in France.
- Canopy height validated with NFI data (MAE = 3.07 m).
2/4
Happy to be part of the team led by Martin Schwartz (@lsce-ipsl.bsky.social) behind our new publication:
“Retrieving yearly forest growth from satellite data: A deep learning based approach.”
📖 Published in Remote Sensing of Environment:
www.sciencedirect.com/science/arti...
1/4
“Retrieving yearly forest growth from satellite data: A deep learning based approach.”
📖 Published in Remote Sensing of Environment:
www.sciencedirect.com/science/arti...
1/4
Retrieving yearly forest growth from satellite data: A deep learning based approach
High-resolution mapping of forest attributes is crucial for ecosystem monitoring and carbon budget assessments. Recent advancements have leveraged sat…
www.sciencedirect.com
August 24, 2025 at 7:37 PM
Happy to be part of the team led by Martin Schwartz (@lsce-ipsl.bsky.social) behind our new publication:
“Retrieving yearly forest growth from satellite data: A deep learning based approach.”
📖 Published in Remote Sensing of Environment:
www.sciencedirect.com/science/arti...
1/4
“Retrieving yearly forest growth from satellite data: A deep learning based approach.”
📖 Published in Remote Sensing of Environment:
www.sciencedirect.com/science/arti...
1/4
Reposted by Nikola Besic
🌳 One of my dearest projects—with brilliant friends and colleagues—is out in @NatureComms
We show that how you plant tree species (not just which) can significantly boost forest functioning.
🔗 rdcu.be/evtXs
👇 A short thread
We show that how you plant tree species (not just which) can significantly boost forest functioning.
🔗 rdcu.be/evtXs
👇 A short thread
rdcu.be
July 9, 2025 at 12:01 PM
🌳 One of my dearest projects—with brilliant friends and colleagues—is out in @NatureComms
We show that how you plant tree species (not just which) can significantly boost forest functioning.
🔗 rdcu.be/evtXs
👇 A short thread
We show that how you plant tree species (not just which) can significantly boost forest functioning.
🔗 rdcu.be/evtXs
👇 A short thread
Reposted by Nikola Besic
Interested in working with a fun and inspiring team? We are looking for a new PhD (mountain forest management) and PostDoc (forest adaptive capacity, w/ @juditlecinadiaz.bsky.social)
Comes along with:
🧗🏻♀️ mountain/ sport buddies
🙃 good + bad jokes
☕️👬amazing social time
💭 great ideas and conversations
Comes along with:
🧗🏻♀️ mountain/ sport buddies
🙃 good + bad jokes
☕️👬amazing social time
💭 great ideas and conversations
Come work with us! We are looking to fill a PhD (mountain forest management) and PostDoc position (forest adaptive capacity, w/ @juditlecinadiaz.bsky.social). We'd be happy to have you as part of our dynamic team!
PhD: www.lss.ls.tum.de/fileadmin/w0...
PostDoc: www.lss.ls.tum.de/fileadmin/w0...
PhD: www.lss.ls.tum.de/fileadmin/w0...
PostDoc: www.lss.ls.tum.de/fileadmin/w0...
August 4, 2025 at 10:25 AM
Interested in working with a fun and inspiring team? We are looking for a new PhD (mountain forest management) and PostDoc (forest adaptive capacity, w/ @juditlecinadiaz.bsky.social)
Comes along with:
🧗🏻♀️ mountain/ sport buddies
🙃 good + bad jokes
☕️👬amazing social time
💭 great ideas and conversations
Comes along with:
🧗🏻♀️ mountain/ sport buddies
🙃 good + bad jokes
☕️👬amazing social time
💭 great ideas and conversations
Reposted by Nikola Besic
Keep sciencing. We are living through a time when looking at a rock and wondering how old it is qualifies as an act of resistance.
August 2, 2025 at 1:45 PM
Keep sciencing. We are living through a time when looking at a rock and wondering how old it is qualifies as an act of resistance.
Reposted by Nikola Besic
#Archives2025 👉En France, la baisse des émissions de gaz à effet de serre prévue en 2025 n’est que de 0,8 % selon le baromètre du Citepa. Un chiffre jugé alarmant par le climatologue Jean Jouzel, qui dénonce un « relâchement » général.
➡️ https://go.publicsenat.fr/Gy7
➡️ https://go.publicsenat.fr/Gy7
July 29, 2025 at 3:29 PM
#Archives2025 👉En France, la baisse des émissions de gaz à effet de serre prévue en 2025 n’est que de 0,8 % selon le baromètre du Citepa. Un chiffre jugé alarmant par le climatologue Jean Jouzel, qui dénonce un « relâchement » général.
➡️ https://go.publicsenat.fr/Gy7
➡️ https://go.publicsenat.fr/Gy7
Reposted by Nikola Besic
Replay et diapos du séminaire sont disponibles (lien 🎥)
@valmasdel.bsky.social revient sur les principales conclusions du dernier rapport du @hc-climat.bsky.social qui a été présenté puis remis au premier ministre la semaine dernière.
www.lsce.ipsl.fr/replay-semin...
@cea.fr @ipsl.bsky.social
@valmasdel.bsky.social revient sur les principales conclusions du dernier rapport du @hc-climat.bsky.social qui a été présenté puis remis au premier ministre la semaine dernière.
www.lsce.ipsl.fr/replay-semin...
@cea.fr @ipsl.bsky.social
[Replay] Séminaire de Valérie Masson-Delmotte - LSCE
Valérie Masson-Delmotte présente les principales conclusions du dernier rapport du Haut Conseil pour le Climat : "Relancer l'action climatique face à l'aggravation des impacts et à l'affaiblissement d...
www.lsce.ipsl.fr
July 23, 2025 at 7:03 AM
Replay et diapos du séminaire sont disponibles (lien 🎥)
@valmasdel.bsky.social revient sur les principales conclusions du dernier rapport du @hc-climat.bsky.social qui a été présenté puis remis au premier ministre la semaine dernière.
www.lsce.ipsl.fr/replay-semin...
@cea.fr @ipsl.bsky.social
@valmasdel.bsky.social revient sur les principales conclusions du dernier rapport du @hc-climat.bsky.social qui a été présenté puis remis au premier ministre la semaine dernière.
www.lsce.ipsl.fr/replay-semin...
@cea.fr @ipsl.bsky.social
Reposted by Nikola Besic
Human influence on Amazon’s aboveground carbon dynamics intensified over the last decade.
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Human influence on Amazon’s aboveground carbon dynamics intensified over the last decade - Nature Communications
New high-resolution datasets for the Amazon forest show a loss of carbon in 2010-2020, with gains by forest growth outweighed by losses by deforestation and degradation. Human losses intensified over ...
www.nature.com
July 21, 2025 at 1:54 PM
Human influence on Amazon’s aboveground carbon dynamics intensified over the last decade.
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Reposted by Nikola Besic
La couv de Libe de demain
Titraille bien triste
Titraille bien triste
July 17, 2025 at 7:50 PM
La couv de Libe de demain
Titraille bien triste
Titraille bien triste
🛠️ Try the tool: zenodo.org/records/1531...
Congrats again to @gbrldst.bsky.social for leading this important step toward more accurate and flexible flux measurements!
#EnvironmentalMonitoring #CarbonCycle #EcosystemFluxes #Wavelets
(5/5)
Congrats again to @gbrldst.bsky.social for leading this important step toward more accurate and flexible flux measurements!
#EnvironmentalMonitoring #CarbonCycle #EcosystemFluxes #Wavelets
(5/5)
gabdst/TurbulenceFlux.jl: v0.2.0
A Julia package for high resolution flux estimation
zenodo.org
July 16, 2025 at 5:31 AM
🛠️ Try the tool: zenodo.org/records/1531...
Congrats again to @gbrldst.bsky.social for leading this important step toward more accurate and flexible flux measurements!
#EnvironmentalMonitoring #CarbonCycle #EcosystemFluxes #Wavelets
(5/5)
Congrats again to @gbrldst.bsky.social for leading this important step toward more accurate and flexible flux measurements!
#EnvironmentalMonitoring #CarbonCycle #EcosystemFluxes #Wavelets
(5/5)
📍 At the Hesse forest site (FR-Hes @icos-ri.eu), this method reveals:
– higher summer carbon uptake (+2 ± 1 µmol/m²/s)
– better nighttime respiration estimates
– strong agreement with standard EC
Implemented in TurbulenceFlux.jl (Julia)
(4/5)
– higher summer carbon uptake (+2 ± 1 µmol/m²/s)
– better nighttime respiration estimates
– strong agreement with standard EC
Implemented in TurbulenceFlux.jl (Julia)
(4/5)
July 16, 2025 at 5:31 AM
📍 At the Hesse forest site (FR-Hes @icos-ri.eu), this method reveals:
– higher summer carbon uptake (+2 ± 1 µmol/m²/s)
– better nighttime respiration estimates
– strong agreement with standard EC
Implemented in TurbulenceFlux.jl (Julia)
(4/5)
– higher summer carbon uptake (+2 ± 1 µmol/m²/s)
– better nighttime respiration estimates
– strong agreement with standard EC
Implemented in TurbulenceFlux.jl (Julia)
(4/5)
@gbrldst.bsky.social introduces a wavelet-based method to analyze turbulent fluxes in time & frequency, using a metric based on the vertical Reynolds stress tensor to adaptively localize turbulence.
This helps separate turbulence from advection.
(3/5)
This helps separate turbulence from advection.
(3/5)
July 16, 2025 at 5:31 AM
@gbrldst.bsky.social introduces a wavelet-based method to analyze turbulent fluxes in time & frequency, using a metric based on the vertical Reynolds stress tensor to adaptively localize turbulence.
This helps separate turbulence from advection.
(3/5)
This helps separate turbulence from advection.
(3/5)
🌍 Flux towers are essential for tracking CO₂, water vapor, and heat exchange between ecosystems and the atmosphere.
But traditional 30-min eddy-covariance averaging often misses rapid responses to environmental change.
(2/5)
But traditional 30-min eddy-covariance averaging often misses rapid responses to environmental change.
(2/5)
July 16, 2025 at 5:31 AM
🌍 Flux towers are essential for tracking CO₂, water vapor, and heat exchange between ecosystems and the atmosphere.
But traditional 30-min eddy-covariance averaging often misses rapid responses to environmental change.
(2/5)
But traditional 30-min eddy-covariance averaging often misses rapid responses to environmental change.
(2/5)
🌱 New publication 🌱
Excited to share a study led by @gbrldst.bsky.social, now out in AMT:
"Turbulent transport extraction in time and frequency and the estimation of eddy fluxes at high resolution"
w/ myself, @e-joetzjer.bsky.social & @mcuntz.bsky.social
📄 amt.copernicus.org/articles/18/...
(1/5)
Excited to share a study led by @gbrldst.bsky.social, now out in AMT:
"Turbulent transport extraction in time and frequency and the estimation of eddy fluxes at high resolution"
w/ myself, @e-joetzjer.bsky.social & @mcuntz.bsky.social
📄 amt.copernicus.org/articles/18/...
(1/5)
Turbulent transport extraction in time and frequency and the estimation of eddy fluxes at high resolution
Abstract. We introduce a novel framework for estimating eddy fluxes using cross-scalogram smoothing, addressing key limitations of the standard eddy-covariance method. The standard approach suffers fr...
amt.copernicus.org
July 16, 2025 at 5:31 AM
🌱 New publication 🌱
Excited to share a study led by @gbrldst.bsky.social, now out in AMT:
"Turbulent transport extraction in time and frequency and the estimation of eddy fluxes at high resolution"
w/ myself, @e-joetzjer.bsky.social & @mcuntz.bsky.social
📄 amt.copernicus.org/articles/18/...
(1/5)
Excited to share a study led by @gbrldst.bsky.social, now out in AMT:
"Turbulent transport extraction in time and frequency and the estimation of eddy fluxes at high resolution"
w/ myself, @e-joetzjer.bsky.social & @mcuntz.bsky.social
📄 amt.copernicus.org/articles/18/...
(1/5)
Reposted by Nikola Besic
🆕 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 Nikola Besic
"La France ne s'adaptera pas à un réchauffement climatique de +4°C"
Intervention magistrale de @cassouman40.bsky.social . Chaque phrase prononcée est précise et lourde de sens. Un discours lucide sur le service public qui mériterait d'être entendu de tous les Français.
Intervention magistrale de @cassouman40.bsky.social . Chaque phrase prononcée est précise et lourde de sens. Un discours lucide sur le service public qui mériterait d'être entendu de tous les Français.
June 21, 2025 at 7:17 AM
"La France ne s'adaptera pas à un réchauffement climatique de +4°C"
Intervention magistrale de @cassouman40.bsky.social . Chaque phrase prononcée est précise et lourde de sens. Un discours lucide sur le service public qui mériterait d'être entendu de tous les Français.
Intervention magistrale de @cassouman40.bsky.social . Chaque phrase prononcée est précise et lourde de sens. Un discours lucide sur le service public qui mériterait d'être entendu de tous les Français.
Reposted by Nikola Besic
So excited to finally share our new paper charting the global spectrum of tree crown architecture, out today at @natcomms.nature.com 🧪🌐
Paper link 🔗: www.nature.com/articles/s41...
A brief thread of what we found 🧵
Paper link 🔗: www.nature.com/articles/s41...
A brief thread of what we found 🧵
May 27, 2025 at 10:31 AM
So excited to finally share our new paper charting the global spectrum of tree crown architecture, out today at @natcomms.nature.com 🧪🌐
Paper link 🔗: www.nature.com/articles/s41...
A brief thread of what we found 🧵
Paper link 🔗: www.nature.com/articles/s41...
A brief thread of what we found 🧵
Check out our preprint currently under review at Comptes Rendus. Géoscience - Sciences de la Terre (French Academy of Sciences).
We examine the current state of the French forest carbon sink and discuss how to enhance carbon sink quantification in the near future.
arxiv.org/abs/2505.11512
We examine the current state of the French forest carbon sink and discuss how to enhance carbon sink quantification in the near future.
arxiv.org/abs/2505.11512
An outlook on the Rapid Decline of Carbon Sequestration in French Forests and associated reporting needs
In this study, we present and discuss changes in carbon storage in the French forests from 1990 to 2022, derived from CITEPA statistics on forest carbon accounting, fed by National Forest Inventory (N...
arxiv.org
May 23, 2025 at 8:48 AM
Check out our preprint currently under review at Comptes Rendus. Géoscience - Sciences de la Terre (French Academy of Sciences).
We examine the current state of the French forest carbon sink and discuss how to enhance carbon sink quantification in the near future.
arxiv.org/abs/2505.11512
We examine the current state of the French forest carbon sink and discuss how to enhance carbon sink quantification in the near future.
arxiv.org/abs/2505.11512