Little Fluffy Clouds over Kelp
A number of folk have noticed that many of the images are full of clouds. Clouds can make it hard to see kelp – or hard to see if the image is even on the coastline!
What’s going on here? Well, Landsat takes images approximately twice a month. But it does so without regard to tide, weather, etc. As many temperate areas have period of fog, or marine layers moving in, getting an image with a cloud-canopy isn’t too surprising. As Samuel Clemens wrote, “The coldest winter I ever spent was summer in San Francisco.” That marine layer can make things difficult, but we have the power of the sheer number of images present so that we should be able to get some good cloud-free glimpses of many forests!
Clicking the cloud button helps us out a lot, though. As we filter through the images in the future, we’ll know which ones folk may have had a hard time seeing through to see the kelp. And if enough folk don’t mark anything in the image, it will get kicked out of the system soon anyway!