John Abatzoglou
@climate-guy.bsky.social
📤 1389
📥 209
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Tracking weather and climate and why they matter climatologylab.org
reposted by
John Abatzoglou
Mike Flannigan
3 months ago
🔥 New fire paper out - Fire regime changes in Canada: an update. Overall, the big-picture trends remain consistent: annual area burned, the annual number and size of large fires are still increasing, but the total number of fires for all sizes continue to decline.
cdnsciencepub.com/doi/10.1139/...
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Fire regime changes in Canada: an update
Given the recent rise in extreme fires, we present an update to a previous Canadian wildfire trend analysis (1959-2015) with nine additional years of data (2016-2024), an improved area burned dataset,...
https://cdnsciencepub.com/doi/10.1139/cjfr-2025-0209
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reposted by
John Abatzoglou
Calum Cunningham
4 months ago
Out today in
@science.org
, we show wildfire disasters have surged in the last decade, as climate change intensifies fire weather and exacerbates other vulnerabilities. 📄
www.science.org/doi/10.1126/...
With
@pyrogeog.bsky.social
@climate-guy.bsky.social
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Climate-linked escalation of societally disastrous wildfires
Climate change and land mismanagement are creating increasingly fire-prone built and natural environments. However, despite worsening fire seasons, evidence is lacking globally for trends in socially ...
https://www.science.org/doi/10.1126/science.adr5127
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reposted by
John Abatzoglou
Matt Jones
5 months ago
🔥 Our new research in
@science.org
shows that people are increasingly exposed to fires globally, driven by overlapping shifts in where
#fires
occur and where people live. But changes in exposure vary hugely by region and are shaped by different population dynamics.👇
www.science.org/doi/10.1126/...
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Increasing global human exposure to wildland fires despite declining burned area
Although half of Earth’s population resides in the wildland-urban interface, human exposure to wildland fires remains unquantified. We show that the population directly exposed to wildland fires incre...
https://www.science.org/doi/10.1126/science.adu6408
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reposted by
John Abatzoglou
GrumpyUncleSean🔥
5 months ago
1/4 Please see our new paper just published in Global Change Biology: “Intensifying fire season aridity portends ongoing expansion of severe wildfire in western US forests”. 🧪🌍🔥
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Intensifying Fire Season Aridity Portends Ongoing Expansion of Severe Wildfire in Western US Forests
Area burned by wildfire has increased in western US forests over recent decades. However, high-severity fire—fire that kills all or most trees—is also an important metric of fire activity given its d...
https://doi.org/10.1111/gcb.70429
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reposted by
John Abatzoglou
Marco Turco
6 months ago
Happy to share our new paper: we show that human-caused climate change is raising the odds of extreme climate-driven fire years across forested regions of the globe
@climate-guy.bsky.social
@pyrogeog.bsky.social
rdcu.be/evJkX
#ClimateChange
#Wildfires
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Climate change has increased the odds of extreme regional forest fire years globally
Nature Communications - The authors show that extreme fire years in global forests align with rare fire weather extremes. Climate change has made such extremes 88-152% more probable. These findings...
https://rdcu.be/evJkX
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John Abatzoglou
Emily Williams
7 months ago
New study w/
@climate-guy.bsky.social
! Increased evaporative demand due to climate change has increased crop irrigation demand; in the Central Valley, this additional irrigation demand is equivalent to ~11% of the region's observed groundwater loss.
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
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Climate Change Increases Evaporative and Crop Irrigation Demand in North America
The strongest climate change-driven trends in ETo are found in the water-limited southwestern and central regions of North America Forced increases in ETo have primarily been driven by increased ...
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2025EF005931
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John Abatzoglou
Nature Reviews Earth & Environment
10 months ago
Kolden et al. document 2024 wildfires, finding: - 367 Mha burned - Burned area decreased 5.4% from 2023 - Fires released an estimate 1965 Tg C
www.nature.com/articles/s43...
(
rdcu.be/ehnTP
)
@pyrogeog.bsky.social
@climate-guy.bsky.social
@mattwjones.bsky.social
@ueaenv.bsky.social
[6/n]
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Wildfires in 2024 - Nature Reviews Earth & Environment
Wildfire burned area was 367 Mha in 2024, ranked 17th since 2001. An estimated 1,965 Tg C was released from these fires, 41% of which came from the Americas, far exceeding their usual 25% contribution...
https://www.nature.com/articles/s43017-025-00663-0
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reposted by
John Abatzoglou
Dr. Crystal A. Kolden
10 months ago
On 4/17
@ucmerced.bsky.social
Fire Resilience Center will host John Mills, CEO and co-founder of
@watchduty.org
AND have discussion with
@climate-guy.bsky.social
and Dr. Sandie Ha on: 1) The upcoming fire season in CA 2) How you can prepare, esp. for smoke We're streaming it online - join us!
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John Abatzoglou
Tom Swetnam
11 months ago
Perceptive article by Sarah Kaplan today about Sean Parks
@grumpyunclesean.bsky.social
et al. paper in Nature Comms last month, which made use of the North American Fire Scar network. Quoting John Abatzoglou
@climate-guy.bsky.social
, Susan Pritchard
@susanprichard.bsky.social
, me, and others.
add a skeleton here at some point
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reposted by
John Abatzoglou
Cong Yin
11 months ago
An integrated, interactive, and extensible platform for detecting and visualizing compound events. Our new paper in Scientific Data is now available:
doi.org/10.1038/s415...
. Thanks to my coauthors Mingfang Ting,
@kornhuber.bsky.social
, Radley M. Horton, Yaping Yang, and Yelin Jiang!
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CETD, a global compound events detection and visualisation toolbox and dataset - Scientific Data
Scientific Data - CETD, a global compound events detection and visualisation toolbox and dataset
https://doi.org/10.1038/s41597-025-04530-x
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reposted by
John Abatzoglou
Benjamin Cook
11 months ago
New work with Dimitr Kalashnikov, Deepti Singh (
@climatechirper.bsky.social
) and Mingfang Ting! We demonstrate that record low soil moisture and global warming were major contributors to a record breaking heatwave in Mexico+Texas in 2023
agupubs.onlinelibrary.wiley.com/doi/full/10....
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Contributions of Atmospheric Ridging and Low Soil Moisture to the Record‐Breaking June 2023 Mexico‐Texas Heatwave
A heatwave with record-breaking intensity, persistence, and spatial extent affected Mexico and Texas during June 2023 Circulation, record-low soil moisture, and their interaction explain most of ...
https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2025GL114987
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reposted by
John Abatzoglou
GrumpyUncleSean🔥
12 months ago
1/n Please see our new paper in Nature Communications! We used 1,851 tree-ring fire-scar sites and contemporary fire perimeters to quantify the prevalence of wildfire from 1600-1880 compared to 1984-2022. 🧪🌍🔥 Our key findings are as follows ...
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A fire deficit persists across diverse North American forests despite recent increases in area burned - Nature Communications
Across many North American forests, recent years with exceptional area burned are not unprecedented when considering the multi-century perspective offered by fire-scarred trees. Nevertheless, abundant...
https://www.nature.com/articles/s41467-025-56333-8
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Santa Ana winds are sort of the opposite of an Ice Cube. And, yesterday (and the day prior) was NOT a good day.
climatetoolbox.org/tool/climate...
about 1 year ago
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Tule fog fading with an extra push from the Fresno heat island
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about 1 year ago
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reposted by
John Abatzoglou
Deepti Singh
about 1 year ago
⚡New paper on predicting
#lightning
🌩️ in the western US using CNNs with
@dmitri-climate.bsky.social
@zacklabe.com
@climate-guy.bsky.social
and others. Key finding: CNN are quite skillful at predicting lightning here. We are using these to develop projections of lightning-ignited
#wildfires🔥
.
add a skeleton here at some point
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