What unusual hydrological phenomenon occurs naturally in Lake Wakatipu at Queenstown?

Answer and explanation

Correct answer: C. A rhythmic seiche where the water level rises and falls approximately 20 cm every 27 minutes

  1. Step 1: A seiche is a standing oscillation wave caused by atmospheric pressure variations. Step 2. In Maori tradition, this pulsation represents the heartbeat of the giant Matau sleeping beneath the lakebed. Answer: A rhythmic seiche where the water level rises and falls approximately 20 cm every 27 minutes. Why not the others: Lake Wakatipu drains via the Kawarau River.

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