[RS-ecology] Best practices for cloud-masking using L8 SR

[Ben Carlson]

Hello,

I'm working with landsat 8 collection 1 surface collection data. I'd like
to mask out clouds, with the goal of generating NDVI so that I can examine
how animal movements respond to this variable.

In the product guide for L8 SR data (page 22), it is recommended that
"clear" conditions correspond to pixel_qa values of 322, 386, 834, 898, and
1346.

https://landsat.usgs.gov/sites/default/files/documents/lasrc_product_guide.pdf

I've implemented this recommendation as a cloud mask and based on visual
inspection it looks fine. However, I'm wondering if there are other, better
recommendations based on my intended use of the data.

Note: In case this affects the answer, I'm also mosaicing multiple landsat
scenes in order to fill in blank areas due to clouds.

Thank you!

Ben
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