If not too warm & not too cold, a winter river can warm a cold lake from the bottom up.
https://physics.aps.org/articles/v16/s1
#physicsmagazine #sciencemastodon #physicsnews #sciencejournalism #sciencenews #physics #academicmastodon #nature #river #lake #winter #fluiddynamics #environment
@physics_magazine OMG, thank you, thank you. I would like to thank all the little people who ignored me to get this award. :)