If you’re talking about trying to get that silky look in the water, it’s a question of reducing your shutter speed to record more movement in the water. (Although you have achieved this to a certain extent). You can do this by chooing a smaller aperture and shooting on your lowest ISO, for example. Alternatively, you can invest in an ND grad filter…lots of people use a 10-stop filter for this puropse.
It looks like you shot in the middle of the day – at this time the light is so strong that it becomes difficult to reduce your shutter speed to a slow enough speed without blowing out all of the highlights. Try going out earlier or later in the day when the light is weaker…your shots will look all the better for it!
Nice couple of shots all the same though, I don’t put too much weight on getting water to look completely smooth just for the sake of it…sometimes it works and sometimes it doesn’t…it shouldn’t always be done IMO.
I’m guesssing you took this after a couple of rainy days. The colour of the upland peat gets washed into the rivers. After a day or two without rain, the water should clear again.