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Mike Wulder

@mikewulder.bsky.social
1.3K followers 653 following 62 posts

Senior Research Scientist with the Canadian Forest Service. 🍁 #Landsat super-fan. #Lidar. #Forests. #Remotesensing. 🌲🛰 Member of the #OrderOfCanada. 🎖 📎https://www.researchgate.net/profile/Michael-Wulder

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Reposted by Mike Wulder
Tom Hengl @tomhengl.bsky.social · 22/08/2025
The global bimonthly 30m GPP product (2000-2024) is now ready for use (landcarbonlab.org/insights/glo...); available on GEE, STAC... so proud of the @opengeohub.bsky.social and @worldresources.bsky.social & colleagues! 📝 doi.org/10.7717/peer... 🖥️ stac.openlandmap.org/gpw_ugpp.dai...
landcarbonlab.org
Tracking the Health of Earth’s Ecosystems with New Global Productivity Data
Gross primary productivity (GPP) is a key indicator of ecosystem health. New data from Land & Carbon Lab provides the first global, higher resolution GPP data.
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Mike Wulder @mikewulder.bsky.social · 10/09/2025
White et al. Enhanced forest inventories in Canada: implementation, status, and research needs. #EFI ➡️ Airborne Laser Scanning (ALS) is operational for forest inventory in Canada enabling EFIs. ➡️ Coverage exceeds 66% of Canada’s managed forest area (~230 million ha). #lidar 🔗 doi.org/10.1139/cjfr...
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IRSS at UBC @irssubc.bsky.social · 03/09/2025
NEW PAPER 📣 Temporally Consistent Forest Stand Segmentation using Landsat Imagery dx.doi.org/10.1109/LGRS... 📖: Geoscience and Remote Sensing Letters ✍️: Ye, Coops, Hermosilla @txominhermos.bsky.social, Wulder @mikewulder.bsky.social, Gergel #Segmentation #ChangeDetection #Landsat #ubcforestry
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Tommaso Jucker @tommaso-jucker.bsky.social · 14/08/2025
We have a #Tansley review out today @newphyt.bsky.social led by Becky Banbury Morgan in which we put forward a new framework that aims to explain how and why edge effects on forest structure vary across ecosystems and through time 📜 doi.org/10.1111/nph....
Graphical illustration of the four key stages of edge evolution following edge creation.
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Silvilaser2025 @silvilaser2025.bsky.social · 04/09/2025
#Silvilaser2025 schedule & program are now online! 🥳 Check out the line up of workshops, speakers, field tour & social events! 👉 www.silvilaser2025.com/program Which plenary session are you most looking forward to?! Registration for extra activities closes Sep 10 📍 Quebec City Convention Centre
silvilaser2025.com
Program — SilviLaser 2025
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IRSS at UBC @irssubc.bsky.social · 28/08/2025
Congratulations again and again and again to Dr. Ramon Melser! (@ramonmelser.bsky.social) He joins the wall after successfully defending his thesis: “Enhanced assessment of boreal vegetation productivity using integrated satellite-derived datasets and analysis approaches.” #IRSSLab #UBCForestry
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IRSS at UBC @irssubc.bsky.social · 17/07/2025
NEW PAPER 📣 𝑅𝑒𝑠𝑝𝑜𝑛𝑠𝑒𝑠 𝑜𝑓 𝑠𝑝𝑒𝑐𝑡𝑟𝑎𝑙 𝑖𝑛𝑑𝑖𝑐𝑒𝑠 𝑡𝑜 ℎ𝑒𝑎𝑡 𝑎𝑛𝑑 𝑑𝑟𝑜𝑢𝑔ℎ𝑡 𝑑𝑖𝑓𝑓𝑒𝑟 𝑏𝑦 𝑡𝑟𝑒𝑒 𝑠𝑖𝑧𝑒 𝑖𝑛 𝐷𝑜𝑢𝑔𝑙𝑎𝑠-𝑓𝑖𝑟 #OpenAccess 🔓 doi.org/10.1016/j.sr... 📖: Science of Remote Sensing ✍️: Waite, Coops, Grubinger, Isaac-Renton, Degner, King and Liu #remotesensing #ubcforestry #irsslab #LiDAR #multispectral #drought
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Mike Wulder @mikewulder.bsky.social · 27/08/2025
Check out this innovative work in Forestry: Yrttimaa et al. Quantifying architectural uniqueness of Scots pine trees using terrestrial laser scanning: toward individual tree fingerprinting. #lidar #tls academic.oup.com/forestry/art...
academic.oup.com
Quantifying architectural uniqueness of Scots pine trees using terrestrial laser scanning: toward individual tree fingerprinting
Abstract. Tree architecture reflects a hierarchical growth pattern shaped by the interplay between genetics and the environment. Environmental variation le
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Mike Wulder @mikewulder.bsky.social · 27/08/2025
Fantastic! Our paper made the list! Development and implementation of a stand-level satellite-based forest inventory for Canada. #SBFI academic.oup.com/forestry/art... Check out the link below for collection of High-Impact Research from Forestry 👇👇
academic.oup.com
Validate User
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IRSS at UBC @irssubc.bsky.social · 26/08/2025
Work hard, play hard! 🌲✨ The #IRSSLab just wrapped up our annual summer retreat. This week away gave lab members the chance to share research updates, pick up new skills from colleagues and guests, and, of course, enjoy some much-needed R&R! #UBCForestry #remotesensing
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Nikola Besic @nikobesic.bsky.social · 24/08/2025
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
sciencedirect.com
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…
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James Lamping @jameslamping.bsky.social · 28/02/2025
Our new paper is out in Forest Ecology and Management! Utilizing data from multiple forest inventory programs, we created 35 spatially complete estimates of forest structure and composition across the coastal regions of Alaska and British Columbia. 🌍🌐 authors.elsevier.com/a/1kgiv1L%7E...
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Mike Wulder @mikewulder.bsky.social · 22/08/2025
Canada's Satellite-Based Forest Inventory uses image segmentation to create stand-level maps for forest science & monitoring, including tree species & biomass. #SBFI Paper: doi.org/10.1093/fore... Download data opendata.nfis.org/mapserver/nf... Data on #GEE: gee-community-catalog.org/projects/ca_...
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IRSS at UBC @irssubc.bsky.social · 22/07/2025
NEW PAPER 📣 Estimating 3D individual tree crown growth using multi-temporal LiDAR doi.org/10.1080/2150... 📖: Remote Sensing Letters ✍️: McGlade (jamesmcglade.bsky.social‬) & Coops @forestry.ubc.ca #remotesensing #ubcforestry #irsslab #LiDAR #ALS #randomforest #alphashape
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Forestry - An Int. Journal of Forest Research @forestryoup.bsky.social · 20/08/2025
treecbh: a new R package for crown base height (CBH) detection using aerial laser-scanned data in broad leaved forests 🌳 Diószegi et al. develop a workflow that automates and optimises CBH detection in already segmented individual trees. 🗞️ doi.org/10.1093/fore... 🔧 github.com/DijoG/treecbh
Framework of the treecbh R package: tree isolation (a), vertical cross-sectional K-means clustering (b), and the 2D kernel method (c). The detected crown base height is illustrated in the graph at the bottom right.
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Mike Flannigan @mikeflannigan.bsky.social · 21/08/2025
A good story about current and historical fire activity in Canada (and the US) though I may be biased thetradeoff.substack.com/p/north-amer...
thetradeoff.substack.com
North America’s forests used to burn a lot more than present…
So, is climate change really making wildfires worse today?
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Mike Wulder @mikewulder.bsky.social · 21/08/2025
"AI is not replacing the geographer; it is super-charging the geographer. Geographers are poised to have the biggest impact on communities, businesses, and the planet in decades." Insight from Prof Trisalyn Nelson, Jack & Laura Dangermond Chair of Geography, UCSB. www.independent.com/2025/08/20/g...
independent.com
Geographers Aren't Going Anywhere
Why Microsoft is wrong about my profession when it comes to AI.
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Ramon Melser @ramonmelser.bsky.social · 18/08/2025
Excited to share that I successfully defended my PhD dissertation in Remote Sensing (Forestry) at @forestry.ubc.ca. Thank you to all of my fantastic labmates in the @irssubc.bsky.social, as well as my supervisor, Nicholas Coops, and my research committee for all their support.
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Amy Wotherspoon, PhD @dr-spoon.bsky.social · 18/08/2025
I am excited to share that I am a Guest Editor for this Special Issue of Forestry @forestryoup.bsky.social for #Silvilaser2025! Be sure to get your submissions in and feel free to DM me if you have any questions. 👋 Please share to let your colleagues know about this great publishing opportunity!
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Amy Wotherspoon, PhD @dr-spoon.bsky.social · 15/08/2025
Having a great time at the #IRSSlab retreat 2025 @ Cowichan Lake!🫶 Thanks to all who demo’d the Outdoors Tips & Tricks!🔨 @la-stack.bsky.social with the #Trimble, @jamesmcglade.bsky.social with the the #GeoSlam & Liam with PostEx👏 @irssubc.bsky.social @forestry.ubc.ca @metafor-ulaval.bsky.social
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IRSS at UBC @irssubc.bsky.social · 15/08/2025
Members from the IRSS attended the #WIRED2025 symposium to present their research on overhead power lines across forested landscapes, as well as engage with industry and project participants. Wonderful work from James (@jamesmcglade.bsky.social), Eliceo and Celine! #IRSSlab #ubcforestry
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Mike Wulder @mikewulder.bsky.social · 14/07/2025
We tested ways to improve Canada’s National Forest Inventory (#NFI) estimates by integrating #Landsat derived #landcover data. Combining sample-based plots with wall-to-wall maps boosted estimation efficiency and helped track tree cover change. #OpenAccess #NTEMS Baral et al. doi.org/10.1139/cjfr...
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Forestry - An Int. Journal of Forest Research @forestryoup.bsky.social · 14/08/2025
Reminder: We have a call for papers for a new Special Issue with @silvilaser2025.bsky.social SilviLaser 2025: Laser scanning applications in forest management ⏰ Submission deadline: 30th November 2025 More information here👇 academic.oup.com/forestry/pag...
academic.oup.com
Call for Papers
SilviLaser 2025: Laser scanning applications in forest management Guest editors: Dr. Alexis Achim, Université Laval, Canada; Dr. Nicholas Coops, University of
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Charlotte Grossiord @charlottegrossiord.bsky.social · 14/08/2025
🌳🔥Out now: Our review on compound droughts and forest responses - from leaf to ecosystem. Featuring a stunning 20-yr map of canopy temperatures variation across European forests. @chriswernerlab.bsky.social @simonhaber.bsky.social @vallicrosah.bsky.social onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com
Impact of emerging compound droughts on forests: A water supply and demand perspective
This review examines the physiological and ecological responses of trees to emerging compound droughts from a water demand and supply perspective, as well as the role of acclimation and consequences ...
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Dr. Joan Dudney @dudney-joan.bsky.social · 14/08/2025
Really excited to share our new paper on #causalinference & #climatechange attribution out in #EcologyLetters today! Are you asking "how much" or "if" climate change has impacted your system, then this paper is for you! 🧪🌏🌐🍁🌺🌱🌿 onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com
A Causal Inference Framework for Climate Change Attribution in Ecology
Accurately attributing ecological shifts to climate change remains a significant challenge. Here, we present an accessible causal inference framework designed for climate change attribution in observ...
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Canadian Journal of Forest Research @canjforestres.bsky.social · 11/08/2025
New publishing options in @canjforestres.bsky.social! Submit a Data Paper to share your dataset—or a Methods Paper to explain a new technique. For more information ▶️ buff.ly/FBRmkG6 #ForestResearch #AcademicSky #SciComm 🧪
Social card promoting new paper types for the Canadian Journal of Forest Research.
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Lauri Korhonen @lakorhon.bsky.social · 12/08/2025
We showed how #lidar based #biomass models can be calibrated between leaf-on and leaf-off conditions using an empirical ratio estimator: doi.org/10.1080/2279...
doi.org
The transferability and cross-use of airborne laser scanning-based leaf-off and leaf-on biomass models
Airborne laser scanning data (ALS) can be acquired during leaf-on or leaf-off conditions. Thus, the relationship between ALS metrics and vegetation is different, especially in forests dominated by ...
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Mirela G. Tulbure, PhD @mirelagtulbure.bsky.social · 12/08/2025
Farewell #Landsat 7, our use of 5TB of Landsat 5&7 & AI algos a few yrs back for surface #water and #flooding dynamics at subcontinental scale was a highlight: landsat.gsfc.nasa.gov/article/thir... earthobservatory.nasa.gov/images/88292... landsat.gsfc.nasa.gov/article/a-fi...
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Mike Mahoney @mikemahoney218.com · 13/08/2025
Thrilled to see this paper - helmed by @lucaskjohnson03.bsky.social - out in Remote Sensing of Environment! Lucas walks through methods for quantifying uncertainty in aboveground biomass estimates for small areas, relevant to the scales management happens over www.sciencedirect.com/science/arti...
sciencedirect.com
From pixels to parcels: Flexible, practical small-area uncertainty estimation for spatial averages obtained from aboveground biomass maps
Fine-resolution maps of forest carbon and aboveground biomass (AGB) effectively represent spatial patterns and can be flexibly aggregated to map subre…
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Mike Wulder @mikewulder.bsky.social · 13/08/2025
Me and Nicholas Coops! 😎 Invited to participate in @irssubc.bsky.social lab retreat at Cowichan Lake Research Station. Forests and remote sensing, so much great science in IRSS!
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Ella Plumanns Pouton @ellapouton.bsky.social · 16/07/2025
🔥 Hot off the press ! 🔥 Originally “sparked” from a conversation between @sarahmccg.bsky.social , Luke Collins , @brian-j-harvey.bsky.social , Meg Krawchuk and I. besjournals.onlinelibrary.wiley.com/doi/10.1111/...
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Mike Wulder @mikewulder.bsky.social · 16/07/2025
Waite et al. (2025) find that heat & drought affect Douglas‑fir red‑edge spectral indices differently by tree size—mature trees show steeper red‑edge declines mid‑drought than saplings. #UAV #Lidar #multispectral #openaccess doi.org/10.1016/j.sr...
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Tobias Kuemmerle @tkuemmerle.bsky.social · 06/06/2025
The #Landsat program is arguable THE most important satellite mission for ecology, land-system science and sustainability science (and many other fields). It must stay science-oriented. Open access is crucial. Independent oversight crucial to Landsat Next | Science www.science.org/doi/10.1126/...
science.org
Independent oversight crucial to Landsat Next
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Mike Wulder @mikewulder.bsky.social · 14/07/2025
We tested ways to improve Canada’s National Forest Inventory (#NFI) estimates by integrating #Landsat derived #landcover data. Combining sample-based plots with wall-to-wall maps boosted estimation efficiency and helped track tree cover change. #OpenAccess #NTEMS Baral et al. doi.org/10.1139/cjfr...
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Kim Calders @kimcalders.bsky.social · 20/06/2025
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
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Mike Wulder @mikewulder.bsky.social · 05/06/2025
🚀 Our new letter in Science. 🛰️ A proven formula: #Landsat’s success shows that commercial innovation, paired with public oversight, ensures continuity, #openaccess, and lasting public value in Earth observation. @science.org www.science.org/doi/10.1126/...
science.org
Independent oversight crucial to Landsat Next
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Landsat 🛰️ @landsat.bsky.social · 16/06/2025
Remembering its quarter-century of faithful Earth observation, the USGS and NASA have announced the decommissioning of Landsat 7 from active service. Landsat 8 and Landsat 9 continue to collect images every day. Read more about Landsat 7: ow.ly/nz9k50W5CAQ
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Mike Wulder @mikewulder.bsky.social · 16/06/2025
Issue is now resolved, good news! Thanks for dealing with and keeping the #HLS data stream active! Harmonized Landsat Sentinel 2 is such a critical piece of data infrastructure.
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Mike Wulder @mikewulder.bsky.social · 12/06/2025
Having trouble accessing Harmonized #Landsat #Sentinel2 data? The LP DAAC is experiencing an Unplanned Data Outage. Started on June 1, 2025. #HLS Follow here for info and updates: www.earthdata.nasa.gov/data/alerts-...
earthdata.nasa.gov
Data Alerts and Outages | NASA Earthdata
Track data outages and the release of new datasets. This page is updated daily.
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Mike Wulder @mikewulder.bsky.social · 11/06/2025
👀👀 "The #Landsat Next project is currently assessing alternate mission architectures to support more affordable ways to maintain the continuity of Landsat imagery per the language in the FY26 President’s Budget Request (PBR). Updates will be forthcoming." landsat.gsfc.nasa.gov/satellites/l...
landsat.gsfc.nasa.gov
Landsat Next | Landsat Science
The Landsat Next project is currently assessing alternate mission architectures to support more affordable ways to maintain the continuity of Landsat imagery per the language in the FY26 President’s B...
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Mike Wulder @mikewulder.bsky.social · 05/06/2025
🚀 Our new letter in Science. 🛰️ A proven formula: #Landsat’s success shows that commercial innovation, paired with public oversight, ensures continuity, #openaccess, and lasting public value in Earth observation. @science.org www.science.org/doi/10.1126/...
science.org
Independent oversight crucial to Landsat Next
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Mike Wulder @mikewulder.bsky.social · 02/06/2025
Seasonal #wildfire psa: Recall that initial burned area numbers are based on lower spatial resolution data and spatial modeling. The mapping is aimed to inform on where wildfires are active, aiding suppression activities and supporting community safety. 1/2
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Mike Wulder @mikewulder.bsky.social · 30/05/2025
NEW! Title captures science well. 👇 Ye et al. A multi-resolution forest stand segmentation algorithm integrating Landsat imagery and forest structural, age, and species attributes. @irssubc.bsky.social #Landsat #landcover #NTEMS #OpenAccess: www.sciencedirect.com/science/arti...
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Mike Wulder @mikewulder.bsky.social · 26/05/2025
Are you working on #Landsat or #Sentinel2 for mapping change or attributes (#landcover, #biomass, #species) over large areas and long time periods? So many options! We share the science behind the National Terrestrial Ecosystem Monitoring System (#NTEMS) here: www.researchgate.net/publication/...
Surface reflectance time series of Landsat and later including Sentinel 2 via Harmonized Landsat Sentinel-2 (HLS). Composite represents mid-summer conditions from 1984 to 2024.
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Louise Slater @louiseslater.bsky.social · 16/05/2025
🌐 Introducing GRIT: the First Global Bifurcating River Network 🏞 developed by Michel Wortmann as part of the NERC Large Grant EvoFLOOD, in the Hydro-Climate Extremes group @oxfordgeography.bsky.social
Map of the GRIT global river network. Source: Wortmann et al. (2025), Water Resources Research.
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Mike Wulder @mikewulder.bsky.social · 21/05/2025
Stability of biophysical products indicates can quantify the physical response of vegetation to climate variability, disturbances & regeneration. 🏆 Djamai et al. On the consistency and stability of vegetation biophysical variables retrievals from #Landsat 8/9 and #Sentinel2. doi.org/10.1016/j.is...
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Mike Wulder @mikewulder.bsky.social · 21/05/2025
Ma et al. Satellite canopy water content from #Sentinel2, #Landsat 8 and MODIS: Principle, algorithm and assessment. -sensor independent algorithm for CWC from optical satellites is developed. #PROSAIL -ground validation, inter-comparison at different scales is conducted. doi.org/10.1016/j.rs...
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SmartForest4.0 @smartforest.bsky.social · 20/05/2025
💥NEW POSTDOC POSITION💥 at #SmartForest at #NIBIO in Ås, Norway 📍 Full-time, 3-year position are you into #ComputerVision for sustainable #ForestManagement? 📆 Apply by June 8, 2025 Apply here 👉 www.jobbnorge.no/en/available... #PanopticSegmentation #MachineLearning #DeepLearning #AIforNature
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Osbert Sun @osbertsun.bsky.social · 20/05/2025
NEW ARTICLE OUT @forestecosyst.bsky.social The origin and beginnings of modern Continuous Cover Forestry in Europe www.sciencedirect.com/science/arti...
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Luke A. Brown @lukeabrown.bsky.social · 20/05/2025
A further paper out this week! This time in @methodsinecoevol.bsky.social - we detail a new leaf-wood classification method for terrestrial laser scanning (TLS) data, making use of co-registered near-infrared photography: besjournals.onlinelibrary.wiley.com/doi/10.1111/...
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