I used this youtube video: https://www.youtube.com/watch?v=FSblORbDyhc&list=PLWJ2X2wvq78QRGzl8Un5ADF0_4m5t99iD&index=11 to learn how to run flow accumulation and was successful. I realize it calculates where the watershed will accumulate flow (streams/rivers etc.) I just don't understand what changing the symbology to classified (2 values) in order to show it represents. Once flow accumulation is calculated, what can it show you, and how is that done?
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