iiinova — where your digital self keeps evolving

Tim Bartholomaus @timbartholomaus.bsky.social · 19/02/2026

I'm very pleased to have publically archived what I think is an exceptional seismic data set. 5 months from 8 stations on the ablation area of the West Greenland ice sheet, NE of Ilulissat. Very good data quality and uptime spanning the entirety of the ablation season. ds.iris.edu/gmap/#networ...

1102

Tim Bartholomaus @timbartholomaus.bsky.social · 01/12/2025

I still find it mind boggling that in one of my favorite places, in Alaska, we can walk along on the bed of an ancient, water-terminating ice stream, just as we might find in Antarctica or Greenland. onlinelibrary.wiley.com/doi/10.1111/...

1110

Tim Bartholomaus @timbartholomaus.bsky.social · 14/07/2025

Glaciologists- are you aware of any literature in the last couple decades that finds Thwaites to be in a stable setting? Or even that it might not collapse? I'm not sure why we keep writing that "Thwaites Glacier _might_ collapse" Can we just all cut to the chase?

110

Tim Bartholomaus @timbartholomaus.bsky.social · 05/06/2025

A local journalist reached out to ask about regional glacier change- one of the first places I checked was maps.theia-land.fr, a really super, interactive resource, hidden within Hugonnet et al., 2021, www.nature.com/articles/s41....

040

Tim Bartholomaus @timbartholomaus.bsky.social · 22/05/2025

This is some bullshit “The NSF polar office has awarded 88 percent less money in grants this year.” This would take standard ~10% funding rates down to 1%. No wonder my program officer was forbidden from telling me the funding rate after we were rejected www.nytimes.com/interactive/...

nytimes.com

Trump Has Cut Science Funding to Its Lowest Level in Decades

The lag in funding extends far beyond D.E.I. initiatives, affecting almost every area of science: chemistry, computing, engineering, materials and more.

051

Tim Bartholomaus @timbartholomaus.bsky.social · 20/05/2025

My wife hears Richard Alley giving kickoff plenary at an IPY meeting, and comes down the hall to ask "Who is _this_? This person is a delight!" Talk about generational talent...

051

Tim Bartholomaus @timbartholomaus.bsky.social · 08/05/2025

Here's the glacier intervention article that I wish everyone would lead with: eos.org/opinions/gla... Neither in thrall to the wonders of Antarctica nor absolutist in opposition, the authors illuminate the middle way and finally get right the fact that there are many many complicated considerations

120

Tim Bartholomaus @timbartholomaus.bsky.social · 29/04/2025

Hearing all the trump news makes me think of a grad student who’s sending me a new draft manuscript every 4 hrs, with the note, “New version! Ignore the last one. Give me feedback on this one ASAP.”

030

Tim Bartholomaus @timbartholomaus.bsky.social · 27/02/2025

I've just had two resubmitted proposals rejected by NSF's Arctic Natural Sciences. One had only two reviews (E and VG) w/o a panel summary, and one had a short note from a program officer (stating that reviews were attached) but without any kind of peer review whatsoever. Unlucky? Or NSF in 2025?

230

Tim Bartholomaus @timbartholomaus.bsky.social · 08/01/2025

The @uidaho.bsky.social Dept of Civil and Enviro Engineering is hiring a Geological Engineer! Open until filled. I highly recommend both the Univ of Idaho, and life in Moscow, ID. Excellent research and teaching support, stellar quality of life. uidaho.peopleadmin.com/postings/46669

uidaho.peopleadmin.com

Regular Faculty

The Department of Civil and Environmental Engineering (CEE) at the University of Idaho seeks candidates for a full-time tenure track or tenured faculty position in Geological Engineering at the level ...

001

Reposted by Tim Bartholomaus

Tim Bartholomaus @timbartholomaus.bsky.social · 02/01/2025

Ice sheet loss leads to coastal flooding- now and in the future. Unfortunately, ice sheet modelling groups haven't been empowered to reproduce observed ice sheet changes in a way that is necessary to have confidence in projections. See my #AGU24 presentation here: tbartholomaus.org/ice-sheet-mo...

tbartholomaus.org

Ice sheet modeling to inform sea level rise planning - Bartholomaus | Glaciology, Geophysics, Earth Science

At AGU 2024, in Washington, DC, I had the opportunity to illuminate the need for applied ice sheet modeling. Ice sheet modeling started out as a niche, obscure, curiosity. But, in the meandering manne...

161

Tim Bartholomaus @timbartholomaus.bsky.social · 07/01/2025

This is cool. I also can't help but watch and try to deconvolve EOFs in my head

010

Tim Bartholomaus @timbartholomaus.bsky.social · 02/01/2025

tbartholomaus.org

Ice sheet modeling to inform sea level rise planning - Bartholomaus | Glaciology, Geophysics, Earth Science

161

Reposted by Tim Bartholomaus

Denis Gilbert 🌎 @denis-gilbert.ca · 20/12/2024

I created a starter pack on "Sea level change and coastal erosion". If you think I should add other people, please let me know. 7/x @drstrawpants.wobbly.earth @gaelforget.net @gomezserrano-ma.bsky.social @timbartholomaus.bsky.social @bhamlington.bsky.social go.bsky.app/B6spBdu

023

Tim Bartholomaus @timbartholomaus.bsky.social · 15/12/2024

The national labs represent a fantastic model for how actionable, credible projections of sea level rise could be produced. Our country decided that building a U.S. resilient to climate change is in the nation's best interest, and natl labs could meet the need. Let's implement for sea level rise.

240

Tim Bartholomaus @timbartholomaus.bsky.social · 13/12/2024

While useful for discovery science, work within the traditional academic structure of competition and academic prestige (through eg high-profile publications, grant dollars) significantly slows the solution of collaborative problems like sea level rise I found surprising agreement at #AGU24

2121

Tim Bartholomaus @timbartholomaus.bsky.social · 12/12/2024

Cool perspectives in the Hot Topics in Climate Policy at #AGU24. Neat to think about how best to affect change and communicate science.

050

Tim Bartholomaus @timbartholomaus.bsky.social · 11/12/2024

Super great tool now online, shared by Denis Felikson, to make it easy to compare ice sheet model output with observations of ice sheet change. #AGU24 Will be very useful for the validation and increased confidence in the next round of projections of ice sheet change

070

Tim Bartholomaus @timbartholomaus.bsky.social · 11/12/2024

I've really been enjoying the bike infrastructure in DC, at #AGU24. Lots of nice, protected bike lanes and the bike share systems are very easy to use.

071

Reposted by Tim Bartholomaus

Brent Toderian @brenttoderian.bsky.social · 11/12/2024

The financial costs of the #ClimateCrisis “are now starkly apparent to Americans in the form of soaring home insurance premiums – with those in the riskiest areas for floods, storms and wildfires suffering the steepest rises of all.” “A climate crisis is starting to stir an insurance crisis.”

theguardian.com

How climate risks are driving up insurance premiums around the US – visualized

‘Tight correlation’ between premium rises and counties deemed most at risk from climate crisis, experts say

18321164

Tim Bartholomaus @timbartholomaus.bsky.social · 09/12/2024

Here's the punchline for #AGU24: "A singular, critical mission deserves mission-focused staff" Backup and justification at my talk tomorrow afternoon: 3 pm Tuesday SY23F-05 The massive unmet need for applied ice sheet modeling in Capitol/Congress of Marriott Marquis (below ground Meeting Level 4)

143

Tim Bartholomaus @timbartholomaus.bsky.social · 08/12/2024

I'm really excited about my #AGU24 presentation- my first in the Science and Society focus group. It reflects my growing enthusiasm for creating systematic change in the way that glaciology can meet the needs of people living on coasts.

1191

Tim Bartholomaus @timbartholomaus.bsky.social · 07/12/2024

Nice view of 15,000 yr old Lake Bonneville shorelines in southern ID/northern UT, on way to #AGU24

3282

Tim Bartholomaus @timbartholomaus.bsky.social · 06/12/2024

With glaciers worldwide in retreat, you don't typically see moraine building. But at Yahtse Glacier, during my PhD project, we got a great look at the process responsible for so many critical reconstructions of glacier change and paleoclimate. Enjoy! ⚒️🧪

210124

Tim Bartholomaus @timbartholomaus.bsky.social · 05/12/2024

The @uidaho.bsky.social College of Grad Studies reminds me that Yoram Terleth won third place, state-wide, in the 3 Minute Thesis competition last year! Yoram, a PhD student working with me, will present his latest next week in a Thurs am talk in glacier hydrology and a Wed pm poster in enviro seis

040

Tim Bartholomaus @timbartholomaus.bsky.social · 27/11/2024

"The work of a glaciologist is almost like the work of a plumber, but you're not actually allowed to touch any of the pipes, and you have to just figure out where they are and how this plumbing system works, but without ever getting underneath the sink." Fun interview www.youtube.com/watch?v=5rCI...

youtube.com

Everything You Need To Know About Glaciers & Icebergs | Dr. Timothy Bartholomaus | Episode 47

YouTube video by This Dude Podcast

0263

Tim Bartholomaus @timbartholomaus.bsky.social · 26/11/2024

Woot! Just had a paper accepted to GRL that I think is going to make a splash. 🤠 Relatively niche model, developed for small set of glaciers, actually can simply explain variations in glacier flow near-universally. I'm excited! Nice job Yoram Terleth, in colab with @glacierdoc.bsky.social

Photo of glacier, with snow cover, surrounded by large black mountain cliffs, with smaller glaciers pouring down over them

0140

Tim Bartholomaus @timbartholomaus.bsky.social · 26/11/2024

Nice to see @uidaho.bsky.social represented in the windows of the @umichlaw.bsky.social library. [Sorry for taking pictures, UM Law! It was too beautiful in there!]

010

Tim Bartholomaus @timbartholomaus.bsky.social · 18/11/2024

Does anyone here have a good figure showing the geoscience jobs of the future, that are necessary for climate stabilization and the energy transition? We were talking energy in my intro geol class and I had a student ask me after class today. I gave her my quick answer, but I'd love a fig to share

100

Tim Bartholomaus @timbartholomaus.bsky.social · 13/11/2024

Congratulations to Verenis Lucas on the excellent defense of her MS thesis yesterday! Well done! And thanks to @glacierdoc.bsky.social, many colleagues at the USGS Benchmark Glacier program, committee members, and @uidaho-ess.bsky.social for making it possible.

030

Reposted by Tim Bartholomaus

Dr. Merritt Rae Turetsky @queenofpeat.bsky.social · 05/10/2023

Alaskan bogs putting on a glorious frosty display. Peatlands have cooled the climate by storing carbon that was once in the atmosphere. Protecting these natural carbon sinks is now critical so that all the hard work of peat accumulation is not undone. Protect Peat!!

Photograph of larch and black spruce in an Alaskan bog.

011021

Tim Bartholomaus @timbartholomaus.bsky.social · 13/11/2024

Honestly, I don't really know how people whose work documents loss can manage. So bleak every time I hear about it. (anyone else find glacier mass balance sessions at AGU to be so depressing?) And my own work on glacier processes is so close to this, I really can't be surprised with findings.

140

Tim Bartholomaus @timbartholomaus.bsky.social · 06/11/2024

New paper! The process of iceberg calving in Alaska is different than at the largest glaciers in Greenland, which is different than that in Antarctica. We show that up to 2/3rds of the calved mass in Greenland occurs through small events agupubs.onlinelibrary.wiley.com/doi/10.1029/... #InOtherNews

4187

Tim Bartholomaus @timbartholomaus.bsky.social · 18/07/2024

Finally, reasonable and balanced coverage of the glacier geoengineering efforts that isn't simply goo-goo, in the thrall of the efforts of superheroes trying to sweep in to save the day through tech (which seems unlikely to work and will take decades) www.science.org/content/arti...

science.org

To avoid sea level rise, some researchers want to build barriers around the world’s most vulnerable glaciers

Call to study glacial geoengineering stirs up “civil war” among polar scientists

030

Tim Bartholomaus @timbartholomaus.bsky.social · 18/07/2024

I pulled together a bunch of my #glacier #seismology field photos from the last decade or so to share with the EarthScope Primary Instrument Center. Goal is to share ideas about station design. Maybe you'll enjoy too? ⚒️🧪 www.icloud.com/sharedalbum/...

icloud.com

iCloud Photo Sharing

iCloud Photo Sharing lets you share just the photos you want with just the people you choose.

110

Tim Bartholomaus @timbartholomaus.bsky.social · 10/07/2024

What?! Two of Weertman's canonical works were published back to back in the same issue of J. Glac: (1) the tombstone model for basal motion (i.e., Weertman sliding) and (2) the analytical solution for an unconfined, spreading ice shelf. What a year 1957 was! Thanks for your hard work, Weertman!

nae.edu

JOHANNES WEERTMAN 1924-2018

BY LYLE H. SCHWARTZ JOHANNES WEERTMAN passed away October 13, 2018, at age 93. His wide-ranging and groundbreaking research spanned creep of crystalline ...

011

Tim Bartholomaus @timbartholomaus.bsky.social · 16/06/2024

I had a great last week w a really kind, dedicated group of people committed to helping others prepare for increased coastal flooding. These scientists and practitioners set aside their own needs to help build the best possible ice sheet model experiment. The scope of this effort is exciting.

120

Reposted by Tim Bartholomaus

Scott St. George @scottstgeorge.paleohydrology.com · 09/06/2024

I'm headed to VA to share a few thoughts with the ice sheet community community on what insurers want or need to know about sea level rise. I can only hope this slide would get the @kellyhereid.bsky.social seal of approval…

132

Tim Bartholomaus @timbartholomaus.bsky.social · 25/05/2024

Always nice to see memorials to pioneering seismologists

010

Tim Bartholomaus @timbartholomaus.bsky.social · 10/05/2024

Holy smokes- this substack is a bleak picture indeed of the present economic and community impacts of climate change. Reminds me of the beautiful and impacting novel, The Light Pirate

020

Tim Bartholomaus @timbartholomaus.bsky.social · 10/05/2024

Highest known geophysical correlation coefficients?! Check this out: Weighing the Greenland Ice Sheet, month by month, using only GNSS stations around the margin. Essentially as good as a complicated satellite system, at least in this application. agupubs.onlinelibrary.wiley.com/doi/10.1029/...

072

Tim Bartholomaus @timbartholomaus.bsky.social · 09/05/2024

It’s a shame when you can date a photo by the look of the glaciers in it. Amiright, @iamdonovan.bsky.social?

130

Tim Bartholomaus @timbartholomaus.bsky.social · 09/05/2024

From one of the most gorgeous work days I’ve ever had

040

Tim Bartholomaus @timbartholomaus.bsky.social · 06/05/2024

Soft 🚀 here: New workspace to collaboratively build on the progress of the 2024 FOGSS workshop, aimed at "Capturing ongoing rapid transformations across the Greenland Ice Sheet and their impacts on Earth and society" github.com/fogss-worksh... email going out in AM to www.fogss-workshop.org list

github.com

GitHub - fogss-workshop/General

Contribute to fogss-workshop/General development by creating an account on GitHub.

020