Video wird geladen...
Video konnte nicht geladen werden
One simple tool is essential to how we understand the changes taking place in Lake Tahoe. It's called a Secchi disk – and it's a white plate that's lowered into the water to help measure clarity. Thank you, UC Davis TERC for the very cool demonstration!
83,120 Aufrufe • vor 1 Jahr •via X (Twitter)
0 Kommentare
Keine Kommentare verfügbar
Kommentare vom Original-Post werden hier angezeigt

