Very tranquil image. I like the colors and the reflection works well. What are the 2 black dots near the shoreline at the center? I might clone those out. Also I think it needs a tiny bit of cw rotation.
Well visualized scene - very minimalist. I like how you proportioned the water and sky.
I would also suggest a alternative pano crop of just the brown water, land and brownish lower sky. You could place the horzion right in the middle of that one. It would be all brown-earth tones and quite different from the OP. Just another interpretation to consider.