The surfing sea otter and her grom. #Otter841+1 🦦🦦

"I was on campus not because my adviser told me to be there, but rather because I had internalized that’s what I needed to do to be a successful academic." Important story from Katherine Kornei, with input from Nicole Gasparini, Sera Markoff (@profsera.bsky.social) & @LucILLIEN eos.org/features/acade…

The Coastal Geomorphology & Morphodynamics Session is gearing up for #AGU23! We have many events that we hope you will join. Come learn, engage, and hang out with your fellow coastal geomorphologists!

Just learned that the people of Tasmania are being harassed by a 600kg elephant seal named Neal. He likes to nap under cars and on the road.

Writing this week about rivers as migrants –– & have found my way to @geo_coe's exquisite LIDAR-based images, "revealing the hidden pathways where rivers have wandered over time." More on & of Dan's astonishing work here (inc free 4k downloads): dancoecarto.com/4k-rivers

Me every time I start a new experiment

Yesterday while taking sunrise photos, I felt I was being watched. There were at least a dozen harbor seals going up the San Lorenzo River chasing either salmon or steelhead and they all slowed down to check me out. The colors are reflections from the sunrise

Now that it’s open to the masses, I made the leap to bluesky (or whatever euphemism people like to use these days). Find me @streamofsophie.bsky.social 🦋

don’t watch the anime if you haven’t read the manga

Shravan Pradeep publishes a breathtaking paper on understanding soft earth suspensions:nature.com/articles/s4146… with me and of course work spouse Paulo E. Arratia . using just sand, clay and water he is able to reproduce the full range of observed debris flow rheologies!

With baseball season over, Doug Jerolmack, @arratiapaulo, Shravan Pradeep and Xiangyu Chen uncovered the science of #MLB’s “magic” mud: its grip, spreadability & stickiness aren't just superstition. #SustainableTech bit.ly/3YChSo9

Happy Election Day Southeast PA! Time to vote like the country is depending on us, because it is.

An article on my new Academically Based Community Service class where students from Penn and West Philly's Sayre High School learn river science together, coordinated by Cory Bowman, Netter Center, Penn with The Water Center At Penn and Penn Arts & Sciences and Penn Engineering

Working on scrubbing and deleting this account. I originally joined Twitter to share my research and learn about cool science from cool people. Unfortunately, this site no longer lives up to those objectives. I’m at @streamofsophie .bsky.social if anyone needs me. Thanks and bye.