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Making New Zealand vol 01 no 01: The Beginning
A glaciated 'U'-shaped valley in Fiordland, from the air. Glacial valleys are broad-floored and steep-sided; they have few curves and ape not interrupted by overlapping spurs. Former spurs have been cut back or truncated by the ice. The floor of the valley is often uneven, with sudden steps and lake-filled irregularities. Tributary streams, which flow in hanging-valleys often high above the main valley, cascade in as waterfalls, whereas tributaries of a normal stream meet it at stream level. M.…
A glaciated 'U'-shaped valley in Fiordland, from the air. Glacial valleys are broad-floored and steep-sided; they have few curves and ape not interrupted by overlapping spurs. Former spurs have been cut back or truncated by the ice. The floor of the valley is often uneven, with sudden steps and lake-filled irregularities. Tributary streams, which flow in hanging-valleys often high above the main valley, cascade in as waterfalls, whereas tributaries of a normal stream meet it at stream level. M. C. Lysons