Jed O. Kaplan | Lightnews

Jed O. Kaplan @jedokaplan.bsky.social · 21d

Looks interesting! What’s the paper about?

Jed O. Kaplan @jedokaplan.bsky.social · Oct 3

Happy to chat about these opportunities and/or life in Calgary if you’re interested!

Dr Dan Shugar 🇨🇦 @watershedlab.bsky.social · Oct 3

🚨FOUR tenure track positions in my dept @ucalgary.bsky.social @ucalgaryscience.bsky.social in applied & computational geophysics, subsurface geochemistry, sedimentary geology, and sustainable soil science. careers.ucalgary.ca/search/jobs?...

(please reskeet widely!) #academicsky 🧪⚒️🇨🇦

Opportunities matching 'earth'

Search 4 Careers available at University of Calgary.

careers.ucalgary.ca

Dr Dan Shugar 🇨🇦 @watershedlab.bsky.social · Oct 3

🚨FOUR tenure track positions in my dept @ucalgary.bsky.social @ucalgaryscience.bsky.social in applied & computational geophysics, subsurface geochemistry, sedimentary geology, and sustainable soil science. careers.ucalgary.ca/search/jobs?...

(please reskeet widely!) #academicsky 🧪⚒️🇨🇦

Opportunities matching 'earth'

Search 4 Careers available at University of Calgary.

careers.ucalgary.ca

Jed O. Kaplan @jedokaplan.bsky.social · Sep 14

Great thread and sub-threads to chase down on a Sunday afternoon. Interesting debate. Having just gotten out of my personal comfort zone to give a seminar on the history and current status of the SSP-RCPs and antecedent scenarios, I was glad to see it remains a very current topic for discussion!

Bob Kopp @bobkopp.net · Sep 14

There are many ideas I agree with in this thread. But @mliebreich.bsky.social gets his guidance to science wrong.

Michael Liebreich @mliebreich.bsky.social · Sep 14

6. Science. Scientists need to stop trying to scare people and focus on informing them. IPCC scenarios need to be plausible from an energy systems perspective, and they need to focus on the landing zone to which we might actually be headed. 24/n about.bnef.com/insights/cle...

Bob Kopp @bobkopp.net · Sep 14

There are many ideas I agree with in this thread. But @mliebreich.bsky.social gets his guidance to science wrong.

Michael Liebreich @mliebreich.bsky.social · Sep 14

6. Science. Scientists need to stop trying to scare people and focus on informing them. IPCC scenarios need to be plausible from an energy systems perspective, and they need to focus on the landing zone to which we might actually be headed. 24/n about.bnef.com/insights/cle...

Liebreich: The Pragmatic Climate Reset – Part II: A Provocation | BloombergNEF

As the debate on transition deepens, Michael Liebreich details how a pragmatic climate and energy reset might unfold.

about.bnef.com

Jed O. Kaplan @jedokaplan.bsky.social · Sep 6

You assert that "...the conveyor belt of currents in the Atlantic Ocean [is] responsible for Western Europe’s mild climate..." This idea is at the very least debatable. Richard Seager has argued for decades that it is not important at all, e.g., www.jstor.org/stable/27858...

The Source of Europe's Mild Climate: The notion that the Gulf Stream is responsible for keeping Europe anomalously warm turns out to be a myth on JSTOR

Richard Seager, The Source of Europe's Mild Climate: The notion that the Gulf Stream is responsible for keeping Europe anomalously warm turns out to be a myth, American Scientist, Vol. 94, No. 4 (JULY...

www.jstor.org

Jed O. Kaplan @jedokaplan.bsky.social · Aug 26

Summer fermentation experiment homemade pickles. Taste is great but some are mushy. Any ideas to avoid mushy pickles?

A bowl filled with homemade fermented sour pickles.

Jed O. Kaplan @jedokaplan.bsky.social · Aug 17

It's not often that a senior professorship in paleolimnology comes long, but here is one great opportunity. Deadline September 10. If you consider applying and wonder what the process is like, feel free to reach out to me! www.queensu.ca/vpr/crc/oppo...

CRC Opportunities | Queen's University

Queen’s University invites applications for multiple Tier 1 and Tier 2 Canada Research Chairs (CRCs).

www.queensu.ca

Jed O. Kaplan @jedokaplan.bsky.social · Jul 28

I have been waiting for you to comment on this fire. I still vividly remember reading “Fire on the Rim” as a teenager. Looking forward to seeing your thoughts!

Jed O. Kaplan @jedokaplan.bsky.social · Jul 20

Really enjoyed this thread and got me thinking about how we could evaluate our fire model output in such a data-rich area. Wonder: what was more important for 20th century suppression, grazing or FS crews?

Tom Swetnam @firescar.bsky.social · Jul 20

The Turkeyfeather Fire in the Gila Wilderness, NM has burned as a low-severity fire over about 24,000 acres (so far). This is a continuation of a fire regime that existed for millennia before the 20th century. This 🧵reviews the fire history of the Gila, as my colleagues and I have studied it. 1/18

low severity surface fire burning through a ponderosa pine forest

Tom Swetnam @firescar.bsky.social · Jul 20

The Turkeyfeather Fire in the Gila Wilderness, NM has burned as a low-severity fire over about 24,000 acres (so far). This is a continuation of a fire regime that existed for millennia before the 20th century. This 🧵reviews the fire history of the Gila, as my colleagues and I have studied it. 1/18

Jed O. Kaplan @jedokaplan.bsky.social · Jun 21

Great explainer from my colleague Dan.

Dr Dan Shugar 🇨🇦 @watershedlab.bsky.social · Jun 20

There was a tragic rockfall yesterday afternoon at Bow Glacier Falls in Banff National Park. Here's a recent story from @ctvnewscalgary.bsky.social about it. I'll try to explain my understanding of the event here over the next few minutes. www.ctvnews.ca/calgary/arti... 🧪⚒️

https://www.ctvnews.ca/calgary/article/one-dead-three-injured-in-banff-national-park-rockslide/🧪⚒️

Dr Dan Shugar 🇨🇦 @watershedlab.bsky.social · Jun 20

There was a tragic rockfall yesterday afternoon at Bow Glacier Falls in Banff National Park. Here's a recent story from @ctvnewscalgary.bsky.social about it. I'll try to explain my understanding of the event here over the next few minutes. www.ctvnews.ca/calgary/arti... 🧪⚒️

https://www.ctvnews.ca/calgary/article/one-dead-three-injured-in-banff-national-park-rockslide/🧪⚒️

Jed O. Kaplan @jedokaplan.bsky.social · Jun 17

Cool diagram. Will use this next time I teach intro meteorology.

Jed O. Kaplan @jedokaplan.bsky.social · Jun 12

Mixed severity burn from 2022 at Kootenay Lake, British Columbia. Photo taken in spring 2025.

Photo of a mountainside rising out of a lake up to snowy peaks in the distance. In the foreground is a slope that has burned in a mixed severity wildfire where even the soil has burned away to bedrock in some places while in others there are still living stands of trees.

Jed O. Kaplan @jedokaplan.bsky.social · Jun 12

Good thread. Having thought about these issues a lot myself and recognizing that landscape scale wildfires are rarely all of one severity or another, I enjoyed this back and forth.

gavin jones @ecologyofgavin.bsky.social · Jun 12

┏┓
┃┃╱╲ in
┃╱╱╲╲ this
╱╱╭╮╲╲house
▔▏┗┛▕▔ we believe
╱▔▔▔▔▔▔▔▔▔▔╲
“mixed severity” is a meaningless fire regime concept 💘
╱╱┏┳┓╭╮┏┳┓ ╲╲
▔▏┗┻┛┃┃┗┻┛▕▔

gavin jones @ecologyofgavin.bsky.social · Jun 12

┏┓
┃┃╱╲ in
┃╱╱╲╲ this
╱╱╭╮╲╲house
▔▏┗┛▕▔ we believe
╱▔▔▔▔▔▔▔▔▔▔╲
“mixed severity” is a meaningless fire regime concept 💘
╱╱┏┳┓╭╮┏┳┓ ╲╲
▔▏┗┻┛┃┃┗┻┛▕▔

Jed O. Kaplan @jedokaplan.bsky.social · Jun 9

No. no. Just no.

Jed O. Kaplan @jedokaplan.bsky.social · May 31

Heartbreaking photo. I have so many great memories of inspiring times at the GISS lab in Manhattan.

Jed O. Kaplan @jedokaplan.bsky.social · May 21

Those were the days. I’ll never forget my two weeks in solitary confinement at the Penny’s Bay COVID detention camp.

Karen Grépin @karengrepin.bsky.social · May 20

How was Hong Kong able to keep COVID19 out for so long? Essentially by reducing inbound travel volume and using quarantine, everything else was basically theatrics: www.sciencedirect.com/science/arti...

Assessing the effectiveness of travel control measures in preventing imported COVID-19 cases reveals the critical role of travel volume

Although travel control measures have played a key role in mitigating COVID-19 spread in certain regions, few empirical observational studies have spe…

www.sciencedirect.com

Karen Grépin @karengrepin.bsky.social · May 20

How was Hong Kong able to keep COVID19 out for so long? Essentially by reducing inbound travel volume and using quarantine, everything else was basically theatrics: www.sciencedirect.com/science/arti...

Assessing the effectiveness of travel control measures in preventing imported COVID-19 cases reveals the critical role of travel volume

Although travel control measures have played a key role in mitigating COVID-19 spread in certain regions, few empirical observational studies have spe…

www.sciencedirect.com

Dr Dan Shugar 🇨🇦 @watershedlab.bsky.social · May 17

Alberta Premier demands @mark-carney.bsky.social build a pipeline to Prince Rupert. Besides the childish demanding, there are important marine geohazards reasons why that could be a spectacularly foolish idea ⚒️🇨🇦

calgaryherald.com/opinion/colu...

Bell: Smith to Carney — Wanted Now, a pipeline to Prince Rupert, B.C.

Premier Danielle Smith wants Prime Minister Mark Carney to fast-track a pipeline project to Prince Rupert, along with nixing tanker ban.

calgaryherald.com

Jed O. Kaplan @jedokaplan.bsky.social · May 5

For the most part, these won’t be career positions but limited-term postings targeted at postdocs and other temporary staff.

Jed O. Kaplan @jedokaplan.bsky.social · May 3

I am also hiring in Calgary! jedokaplan.github.io/opportunities/

Work with me!

jedokaplan.github.io

Jed O. Kaplan @jedokaplan.bsky.social · Apr 14

I've released the 2025 update of the WGLC global lightning dataset today. Daily and monthly data lightning density and stroke energy covering the period 2010-2024 are now available! doi.org/10.5281/zeno...

World map of average density of lightning strokes from the period 2010-2024. The greatest density of lightning is seen in the tropics and subtropics of the Americas, Africa, and island Southeast Asia. The most lightning is in northeastern Colombia and Panama. There is almost no lightning in the Arctic and none at all in Antarctica.

Jed O. Kaplan @jedokaplan.bsky.social · Apr 14

Coronation Mountain then.

Jed O. Kaplan @jedokaplan.bsky.social · Apr 14

When I'm wondering what mountains I see, I like the PeakFinder app www.peakfinder.com (no relation to the developer, just a satisfied user).

PeakFinder - The mountains are calling!

www.peakfinder.com

Jed O. Kaplan @jedokaplan.bsky.social · Apr 14

It’s hard to tell exactly what direction you are looking, but the highest mountain on southern Vancouver Island is Mount Arrowsmith (1819m) WNW of Nanaimo.

Jed O. Kaplan @jedokaplan.bsky.social · Apr 13

So much for your “light snowshower”

Jed O. Kaplan @jedokaplan.bsky.social · Apr 12

The interesting thing is that there is much more variability in the high temperatures than the low.

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