Marcus van Lier-Walqui
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mvanlierwalq.bsky.social
Marcus van Lier-Walqui
@mvanlierwalq.bsky.social
atmospheric scientist trying to make clouds more fluffy, rain more wet, and climate models more climate-y. NYC, NASA/GISS, Columbia, LEAP.
Reposted by Marcus van Lier-Walqui
What a night, what a performance from this far from 100% team, one of the great European nights at the Emirates.

Declan Rice has produced two of the greatest free kicks you'll ever see at this level, and we 100% deserved that third goal too.

Incredible. This team deserves so much love. #arsenal
April 8, 2025 at 8:57 PM
Reposted by Marcus van Lier-Walqui
“Why do I need NOAA? I’ve got a weather app.”

Is equivalent to asking

“Why do I need farms? I can go to the supermarket.”

www.noaa.gov/about-our-ag...
About our agency
NOAA is an agency that enriches life through science. Our reach goes from the surface of the sun to the depths of the ocean floor as we work to keep the public informed of the changing environment aro...
www.noaa.gov
February 9, 2025 at 4:22 AM
Reposted by Marcus van Lier-Walqui
With people blaming the LA fires on lesbian firefighters, space lasers, Oprah, Canadians, Mexicans, homeless people, and DEI initiatives, focusing your complaints on people justifiably mentioning climate change as a factor is… a choice.
January 12, 2025 at 2:00 PM
In honor of Belgian Cyclocross National Championship
January 12, 2025 at 2:12 PM
Reposted by Marcus van Lier-Walqui
"A44A-03: The Death of Autoconversion?"

Before you lament, come hear Kaitlyn Loftus + @mvanlierwalq.bsky.social TODAY @ #AGU24: 16:20p in 201 (Conv. Ctr)!

https://buff.ly/3VBECDV

#NSF @agu.org #CUSEAS @columbiaclimate.bsky.social
The Death of Autoconversion?
Liquid drop growth via collision-coalescence drives warm rain and modulates low...
buff.ly
December 12, 2024 at 8:00 PM
Reposted by Marcus van Lier-Walqui
LEAP #MomentumFellow23 Mohammed Erfani presents "A33J-08: Spatiotemporal ML Models for Emulation of Atmospheric Composition" TODAY @ 15:30p, Salon H! https://buff.ly/4gtYhh1

@karadlamb.bsky.social + @mvanlierwalq.bsky.social

#LEAPEducation #AGU24 #NSF #CUSEAS
@agu.org
@columbiaclimate.bsky.social
December 11, 2024 at 7:15 PM
Reposted by Marcus van Lier-Walqui
Take a stroll to see "A31G-1810: Discovering a Model for Depositional Ice Growth from Observations Using Neural Ordinary Differential Equations + Symbolic Regression" (by Kara Lamb), TODAY at #AGU24!

https://buff.ly/4ffc7CZ

#NSF #CUSEAS @agu.org @columbiaclimate.bsky.social
Discovering a Model for Depositional Ice Growth from Observations Using Neural Ordinary Differential Equations and Symbolic Regression
Depositional ice growth is an important process for the growth and evolution of...
buff.ly
December 11, 2024 at 1:25 PM
Reposted by Marcus van Lier-Walqui
"How Well Can Power Laws Describe Microphysical Processes in Bulk Schemes?"

Arthur Hu, @mvanlierwalq.bsky.social + Kaitlyn Loftus have ideas for you this morning in their #AGU24 poster (A31B-1693)! https://buff.ly/49sVAtT

#NSF #CUSEAS @agu.org @columbiaclimate.bsky.social
How well can power laws describe microphysical processes in bulk schemes?
Understanding and accurately simulating cloud microphysics is crucial for impro...
buff.ly
December 11, 2024 at 12:50 PM
Reposted by Marcus van Lier-Walqui
LEAP closes out Day 1 w/ @mvanlierwalq.bsky.social presenting "GC14E-08: Challenges and Opportunities for Unified Top-down + Bottom-up Constraint of ESM Parameterizations" - 15:12pm in Salon C!

agu.confex.com/agu/agu24/me...

#AGU24 #NSF @columbiaclimate.bsky.social @columbiauniversity.bsky.social
Challenges and opportunities for unified top-down and bottom-up constraint of ESM parameterizations
I will present work using perturbed parameter ensembles (PPEs) of models at mul...
agu.confex.com
December 9, 2024 at 9:21 PM
🧛
United CEO Andrew Witty gave an address to the company today (leaked to me), telling employees "we guard against...unnecessary care" and that "There are very few people in the history of the U. S. healthcare industry who had a bigger positive effect on American healthcare than Brian [Thompson]."
December 7, 2024 at 2:16 PM
This brilliant Guardian piece by Nesrine Malik cuts through the chaff like a hot knife through half-melted ice cream.
"'Doing the work' focused on interpersonal dynamics of racism rather than on structural ones"
www.theguardian.com/commentisfre...
‘Woke’ didn’t lose the US election: the patrician class who hijacked identity politics did | Nesrine Malik
Why is this simple explanation being so widely embraced? Because it does not require a commitment to real, structural change, says Guardian columnist Nesrine Malik
www.theguardian.com
November 25, 2024 at 2:14 PM
I'm sure many have seen this wonderful presentation by Grace Hopper; it's worth underlining her point (multiple times, with permanent marker) the need to listen to young scientists, advocate for their careers, and get out of the way when they can lead. www.youtube.com/watch?v=si9i...
Capt. Grace Hopper on Future Possibilities: Data, Hardware, Software, and People (Part One, 1982)
YouTube video by National Security Agency
www.youtube.com
November 18, 2024 at 3:22 PM
Am hesitant to get back into social media after my blissful year+ twitter hiatus, but here's a preprint of Greg Elsaesser and my (and others) work on using Bayesian inference, machine learning, and satellite observations to tune the NASA ModelE Earth System Model essopenarchive.org/users/538881...
Using Machine Learning to Generate a GISS ModelE Calibrated Physics Ensemble (CPE)
A document by Gregory Elsaesser. Click on the document to view its contents.
essopenarchive.org
November 14, 2024 at 2:50 AM