However, notes Professor Lin Jiun--chuan of the Department of Geography at National Taiwan University, at the same time as the mountains are rising, weathering and other factors whittle constantly away at alpine mountains.
台大地理環境資源系教授林俊全指出，雖然地層持續抬升，但風雨等天然災害，導致高山坍塌，以 2009 年的莫拉克風災為例，玉山就受損嚴重。抬升、崩塌兩相折抵，究竟孰長孰短？