Turbulence Meets a Real Lake: What 22 Years of Lake Erken Taught pyGOTM
In the first part of this story, I described ten weeks rewriting a forty-year-old Fortran ocean model in Python — one wrong architectural bet, one painful pivot, and one validation methodology I had to invent because the obvious one was lying to me. It ended at a pre-release: fifteen of the official reference cases passing, the physics validated, and a closing line about what came next. What came next, I wrote, was lakes. Reservoir water quality. The application layer. ...