alewar
Contributor
Hello,
I've been watching some of the videos of the Project Baseline and it caught my attention the way they're measuring uw visibility.
Instead of a traditional Secchi or black disks, they use a laminated sheet of paper with some parallel lines on them that you have to illuminate with a light, like this one:
how does this method compare to the traditional ones?
I've been watching some of the videos of the Project Baseline and it caught my attention the way they're measuring uw visibility.
Instead of a traditional Secchi or black disks, they use a laminated sheet of paper with some parallel lines on them that you have to illuminate with a light, like this one:
how does this method compare to the traditional ones?