Saturday's letters: What is beach doing to opposite bank?

I live in Riverdale, across the river from Cloverdale. I’ve watched with fascination as the river silt downstream from the temporary berm settled out and formed the sandbar that has grown into the accidental beach.
I can see why many Edmontonians would like to see it stay, and developed further into a downtown recreation area.
But I have serious concerns about the river bank on the north side of the river opposite the beach. The huge sandbar has altered the natural flow pattern of the rive