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Almost finished with the particle tracker. I can now track across surface and subsurface domains (left) and get the residence time along the paths (right).

We observe that in this case, once a particle exfiltrates, it's quickly advected to the stream and does not re-enter the subsurface.

Academics should keep concepts & theories secret from college administrators who invariably convert them into empty buzzwords.

First "working" version of the particle tracker in the subsurface.

Particles follow the velocity field computed with a Richards solver.

I had to use local time stepping per particle to cope with the large differences in the time scales. There's a lot of infiltration and exfiltration going on.

Reminder that if you want to present at please use this form

Submissions will close 5/22.

A seemingly more casual workshop with a focus on atmospheric, oceanic, or earth system models and their coupling:

No registration fees.

Another Nguyen - My Friend

TW: It's about intimate partner violence

They have a lot of bonsai trees at Huntington Botanic Garden. I liked this one the most.

Watched "Paper Moon" yesterday without knowing anything about it and it's a surprisingly beautiful movie.

Does anyone have the report by Liggett & Woolhiser "Difference solutions of the shallow-water equation"? I am unable to get it from my library.

Toxic Academic Career Advice and the Wrong Answers to- ‘Why didn’t I get the job?’ by Megan Mackenzie:

Particle tracking again.

Figure below shows flow paths in a subcatchment of East River Watershed in Colorado. Not all particles reach the outlet.

Update on particle tracker — Can now track if the particle is leaving the domain. Basic shared memory parallelisation implemented for the outer loop.

Berkeley Lab is hiring a Scientific Community Engagement Manager in Coastal Research. Full remote work is an option. Job posting:

Watched "Sound of Metal" yesterday. It's great!

Wrote a small particle tracker.

Figure below shows the trajectories of 20 particles released in Thies Catchment, Senegal.

Next step is coupling with subsurface flow, so I can track particles infiltrating into the soil.

5 day simulation of overland flow in a subcatchment in Colorado, USA. Topography is discretized with 0.5 m resolution. Run on 128 cores of the NERSC cluster

Watched "Breakfast Club" today. I heard that it's a classic, but it didn't work for me.

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