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Dan Scott

@geomorphdan.bsky.social
563 followers 116 following 108 posts

Fluvial geomorphologist. Wood, sediment, and everything else a river is.

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Joe Mason @moreorloess.bsky.social · 01/10/2026
Always worth listening to Ellen Wohl, especially about rivers. blog.oup.com/2018/10/50th...
blog.oup.com
Of gutters and ecosystems: the 50th anniversary of the Wild and Scenic Rivers Act
“Rivers are the gutters down which flow the ruins of continents.” – Luna B. Leopold Luna Leopold understood that rivers are far more than gutters. In a
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Dan Scott @geomorphdan.bsky.social · 25/08/2026
Siiiiiick. Fat bikes are so good in the Rockies. I got a 29 x 3 wheelset for mine for non-snow use recently and it's one of the best things I've done to my bike fleet in a while.
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Jacquelyn Gill @jacquelyngill.bsky.social · 21/08/2026
Hey folks, this hasn’t gotten much attention, but remember those proposed OMB rule changes we all commented on recently? There’s a new attempt to sneak them just for NSF. We have three days to comment. Please don’t sleep on this!
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Meg Penvose Clark @megpenvose.bsky.social · 22/07/2026
“The notion of a neutral and moderate middle is a prejudice of people for whom the system is working, against those for whom it’s not” www.theguardian.com/commentisfre...
theguardian.com
Stop glorifying ‘centrism’. It is an insidious bias favoring an unjust status quo | Rebecca Solnit
The notion of a neutral and moderate middle is a prejudice of people for whom the system is working, against those for whom it’s not
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Dan Scott @geomorphdan.bsky.social · 22/07/2026
This winter's snow drought in the western US will likely become the new normal. All the more motivation to stop burning fossil fuels. Organize, demand change! www.pnas.org/doi/full/10....
pnas.org
PNAS
Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...
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Dan Scott @geomorphdan.bsky.social · 14/07/2026
Sick - 10/10 looks like the landslide improved the trail.
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All Our Yesterdays @allouryesterdays.bsky.social · 08/07/2026
Vol. 2, no. 4 of the CO2 Newsletter, April-May 1981 is now downloadable. Founded by American geologist William Barbat, each was 8 pages of excerpts from recent reports, editorials and deeply researched articles. All 18 issues are heart-breakers. 1/9 allouryesterdays.info/2026/07/08/c...
CO2 Newsletter vol. 2 no4 page 1
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Dan Scott @geomorphdan.bsky.social · 08/07/2026
static.klipy.com
Annoyed Fuck
ALT: Annoyed Fuck
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Scene on Radio @sceneonradio.bsky.social · 08/07/2026
If we wanted a news media system that would actually serve people, communities and democracy, what might that look like? Thoughts and concrete ideas in the conclusion of our 8th season, The News. With @chenjerai.bsky.social, @victorpickard.bsky.social, Les High podcasts.apple.com/us/podcast/s...
podcasts.apple.com
S8 E8: Making Media Democratic
Podcast Episode · Scene on Radio · S8 E8 · 43m
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Dan Scott @geomorphdan.bsky.social · 30/06/2026
I agree with the sentiment, but this kind of analogy disparages socialism, which is defined by democratic decision-making about government spending. Socialism isn't simply the redistribution of wealth by the government. That's actually much more a feature of neoliberalist capitalism.
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Geomorphica @geomorphica.bsky.social · 18/06/2026
New publication alert! Scott (@geomorphdan.bsky.social rphdan.bsky.social) and Wohl present their conceptual framework for assessing the wood regime here journals.psu.edu/geomorphica/...
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Karolina Heyduk @kheyduk.bsky.social · 17/06/2026
Reminder to submit a comment AND contact your reps.
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Dan Scott @geomorphdan.bsky.social · 16/06/2026
Yup - everything should be on sci-hub...
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Dan Scott @geomorphdan.bsky.social · 16/06/2026
Anyone else get annoyed when sci-hub doesn't have an article, and you have to actually sign in to your University library system to access it?
static.klipy.com
Lazy Day: But It's Haaard
ALT: Lazy Day: But It's Haaard
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Dr Dan Shugar 🇨🇦 @watershedlab.bsky.social · 10/06/2026
Fairly complete description of the drastic and potentially fatal changes to American science 🧪. Some highlights: -Peer review likely to be less influential in grant decisions, with political appointees sticking their noses in it. -publication costs not allowable -cont'd
elizabethginexi.substack.com
Summary of Key Changes in OMB’s Proposed Federal Financial Assistance Rule
Russell Vought is going to destroy American Science
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Dan Scott @geomorphdan.bsky.social · 09/06/2026
Please comment on the new OMB rule that would severely cripple the scientific funding process (even more). Excellent guide here: elizabethginexi.substack.com/p/what-we-ne.... Also see this for a section-by-section breakdown: elizabethginexi.substack.com/p/summary-of...
elizabethginexi.substack.com
What We Need to do NEXT: OMB’s Proposed Federal Financial Assistance Rule (OMB-2026-0034)
What OMB’s Proposed Federal Financial Assistance Rule Means in Practice
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Daniel Huffman @pinakographos.bsky.social · 08/06/2026
I heard today from someone that she encountered this piece of mine in a class! I had hoped it would circulate around, but I don't think I'd heard actual confirmation until now. somethingaboutmaps.wordpress.com/2021/02/02/c...
An image of a two-column text layout containing a series of statements on critique. For those with screen readers, the actual text of the statements can be read by following the link in the post.
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Dan Scott @geomorphdan.bsky.social · 06/06/2026
Agreed. We shouldn't call things like this (very likely more traditional machine learning/statistics) "AI". No need to attach reasonable statistics to a damaging fad.
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Dan Scott @geomorphdan.bsky.social · 27/05/2026
And it's so good! Y'all do incredible work.
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Chenjerai Kumanyika @chenjerai.bsky.social · 27/05/2026
Good news y’all 😉 Scene in Radio is back!
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Geomorphica @geomorphica.bsky.social · 11/05/2026
This #MeetMeMonday, we welcome Rosa Colacicco, one of our new Associate Editors at Geomorphica
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Dan Scott @geomorphdan.bsky.social · 06/05/2026
Make a fair deal with your union!
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ACLU @aclu.org · 04/05/2026
BREAKING: We filed another emergency lawsuit — this time in federal court — against Louisiana officials for suspending the state's primary election after voting has already begun. Louisiana is disenfranchising voters who have already cast ballots, all in the service of stifling Black voting power.
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Dan Scott @geomorphdan.bsky.social · 04/05/2026
Everyone gets so obsessed with LARGE wood to form wood jams. Remember, y'all, it takes poorly sorted wood to form a jam that can actually do something. That means SMALL wood, too! It takes diversity (alternatively, poorly sorted/well graded size distribution)!
Photo of a wood jam with dozens of logs and sticks in a stream flowing through a forestPhoto of a wood jam with dozens of logs and sticks in a stream flowing through a forest
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The Cooperative Economy @cooperatives.bsky.social · 01/05/2026
Support businesses that are directly owned by the people who work in them. Worker co-ops empower workers with ownership and democratic control, and the profits go to them. #MayDay #LabourDay #InternationalWorkersDay
usworker.coop
Find a Worker Co-op – U.S. Federation of Worker Cooperatives
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Dan Scott @geomorphdan.bsky.social · 01/05/2026
No work, no school, no shopping. Get outside. Meet neighbors. Organize. Happy May Day!
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Steven Rich @datab.ae · 01/05/2026
happy may day. unionize.
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Dan Scott @geomorphdan.bsky.social · 28/04/2026
What organizations? standupforscience.net dsausa.org (yes, socialists are fighting for a better life and working conditions for all of us, including scientists) indivisible.org aaup.org uaw.org (and the many other unions that represent academics)
dsausa.org
Democratic Socialists of America (DSA) -
Working towards a better future for all.
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The Map Center @mapcenter.com · 26/04/2026
"Do you have any maps of the colonial period?" "Yes sir, they all are. We're still in the colonial period."
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Dan Scott @geomorphdan.bsky.social · 28/04/2026
Perhaps, but I hope we will instead collectively respond to this with a giant "FUCK THAT" and fight back. Divided, we will inevitably lose, even if we find temporary sanctuary elsewhere. In solidarity, we can overcome. Find an organization, get involved, and fight like hell.
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Dan Scott @geomorphdan.bsky.social · 27/04/2026
Wood racking on a river channel split (bifurcation) can dramatically alter channel shape and how that split evolves (avulses). Here's a particularly extreme example from the Skykomish River, WA, USA. (flow bottom to top)
An aerial image showing a river channel split. Between the channels, a long linear wood jam controls how flow enters each channel.
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Indivisible ❌👑 @indivisible.org · 26/04/2026
There are many ways you can participate in the massive day of economic disruption on Friday, from refusing to shop, to walking out of work, to attending a demonstration: survey.alchemer.com/s3/8705046/i...
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Chenjerai Kumanyika @chenjerai.bsky.social · 25/04/2026
NEW UNRULY SUBJECTS! How can we defeat authoritarianism? I talked with Mikyung Ryu of the Korean Confederation of Trade Unions about South Korea’s fight against martial law, the role of labor, and what movements in the U.S. can learn from it. tinyurl.com/7rfaefd9 youtube.com/shorts/OUU7s...
youtube.com
UNRULY SUBJECTS EP 18: What can we learn from South Korea's struggle to defeat authoritarianism?
YouTube video by Chenjerai Kumanyika
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Le Ca-ghoul @lecagle.bsky.social · 24/04/2026
There are a lot of great Onion headlines, but as an environmental rhetorician, this has to be my #1.
theonion.com
Report: Every Place On Earth Has Wrong Amount Of Water
RESTON, VA—A new global report released Monday by the U.S. Geological Survey revealed that every place on earth currently has the wrong amount of water. “New satellite data confirms that every corner ...
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Dan Scott @geomorphdan.bsky.social · 24/04/2026
I just need to post some geomorphology for a second. Preferential erosion along a joint set formed a mini canyon-within-a-canyon. First picture shows the mini canyon, second looks back upstream at it. This is the kind of thing that got me into geomorphology.
Looking downstream along the length of a mini canyon of granite with an icy pool along its bottom. The background shows a forested hillside.Looking upstream along a canyon with a dusting of snow. A small crack n the lower right side of the image is a canyon within a canyon.
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Dan Scott @geomorphdan.bsky.social · 17/04/2026
Love this - "[solidarity is] the only thing that can save us and stop us from this cycle of barbarism...It's the only way that we can get to a decent world."
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Ryan Haas @ryanjhaas.bsky.social · 13/04/2026
For more than a week, Amazon has managed to keep a death at its Troutdale, Oregon, facility out of public view. Workers I spoke to are pissed.
thewesternedge.media
‘Everyone is Replaceable’: Death Rattles Oregon Amazon Facility
A worker died at Amazon’s Troutdale warehouse last week. Employees were told to look away.
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Timothy Snyder @timothysnyder.bsky.social · 05/04/2026
A longer version of this argument with more historical detail is on my substack under the title “The Next Coup Attempt.” (17/17) snyder.substack.com/p/the-next-c...
snyder.substack.com
The Next Coup Attempt
And How to Stop It
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Timothy Snyder @timothysnyder.bsky.social · 05/04/2026
Given Trump’s Easter threats to carry out new war crimes in Iran, we should think one or two steps ahead about a coup attempt connected to the war. And then deter it. (1/17)
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𝓛𝓲𝓷𝓭𝓪 𝓡𝓮𝔂 🦋 My emotions identify as Sɪɢʜ﹗Gᴜʟᴘ﹗Hᴀʜᴀ﹗Sᴏʙ﹗ @lindarey.com · 02/04/2026
IT'S TIIIIIIMMMMMMEEEEEEEE!! Drastic times call for drastic measures. If you can stay home, AWESOME. If you can't, please consider NOT BUYING anything that day. The POINT is the pressure of OUR POWER. #MAYDay #May1st #GeneralStrike #NOBusinessAsUSUAL www.commondreams.org/news/no-king...
commondreams.org
Nationwide General Strike Planned for May 1: No Kings Organizer | Common Dreams
Indivisible co-founder Ezra Levin announces nationwide general strike on May 1 in next No Kings mass action.
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Dan Scott @geomorphdan.bsky.social · 31/03/2026
For folks going into geomorphology (practice or research), I'd love to see a full year of calc, differential equations, and ideally 1 or 2 statistics courses (perhaps one on analysis methods and one on sampling methods). Some stats, at least (and then lots more in grad school).
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Dan Scott @geomorphdan.bsky.social · 29/03/2026
This is extremely important. Big protests are great ways to recruit for local orgs who oppose the regime.
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Greg Pak @gregpak.net · 28/03/2026
If you think No Kings is too vague or insufficiently radical, I sincerely encourage you to go to your local No Kings rally tomorrow and hand out flyers/zines to recruit folks to your org/cause. It's a perfect recruitment event! Thousands of people eager to DO STUFF! Get out there!
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Kendra "Gloom is My Beat" Pierre-Louis @kendrawrites.com · 27/03/2026
I know there's a lot going on But what the US is doing to Cuba is unconscionable
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Dan Scott @geomorphdan.bsky.social · 26/03/2026
Yay!
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UAW @uaw.org · 23/03/2026
On strike, shut it down! New York is a union town! The solidarity is massive on the Contract Faculty United picket at NYU! @uawregion9a.bsky.social
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Andrew Alden @geology.bsky.social · 23/03/2026
The latest cool thing David Montgomery's doing is DAS (fiber-optic seismography) and ambient-noise seismology used to monitor soil moisture and tillage effects: agroseismology.
science.org
Agroseismology and the impact of farming practices on soil hydrodynamics
Impacts of farming practices on soil hydrodynamics are central to understanding agricultural landscapes covering almost half of the world’s habitable land. Combining observations from distributed acou...
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PressProgress @pressprogress.ca · 19/03/2026
For years, Palestinian trade unions have been calling on global counterparts to stand in solidarity. Now, activists are asking Canada’s largest labour body to do just that. pressprogress.ca/labour-for-p...
pressprogress.ca
The Labour Push to Declare Israeli Goods Untouchable
'Answering the call' from Palestinian trade unions, Labour For Palestine is gearing up for a vote by the Canadian Labour Congress
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Dan Scott @geomorphdan.bsky.social · 12/03/2026
I've also struggled to find anything off-the-shelf. This is one of those issues that seems very easy, but at least when I've tried (mostly in CloudCompare using a combination of ground classification + height thresholding), it has turned out to be really hard. Would love an off-the-shelf method.
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Dan Scott @geomorphdan.bsky.social · 12/03/2026
I think it is just beginning to translate. It's on those for whom it has translated to help the rest make the connection. Why not let geology radicalize you?
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