Yes.
Do you mean geomorphologically, like the shape of the river itself, in which case it's seasonal runoff ? Which bit of the Snowy River, given it's not insubstantial length ?
Alpine - low temps and seasonal snow cover.
Subalpine - not quite as low temps, allowing trees to grow, and intermittents snow and frost.
Dry - do you mean montane, or the rainshadowed plains of the Monaro ? |