Chutes are designed to carry flow down steep slopes through a concrete-lined channel rather than by dropping the water in a free overfall
"Within half an hour, I'd hit a huge wall of tidal overfalls
beneath the spectacular cliffs of Unst and been knocked into the water and had to roll the kayak.
L.70 fell five miles northwest of the Blankeney Overfalls
bell buoy, along with Strasser, von Lossnitzer and 20 crewmen.
In nature, air bubble entrainment into water takes place at spillways of weirs, at river overfalls
, in mountain streams and in breaking waves on the ocean surface.
This violent stretch of water, with its chaotic overfalls
, sea surges and big whirlpools, is seen as one of the best tidal resources on earth.
His poem "Dwelling," for instance, ends with: "In the clammy ear of a mollusc oceans swell; / Grit that sands and pearls our chosen shell." Metaphorically reflecting in "Watch" on his three decades of marriage, he considers "Chartered years of bell-shaped lead-lines, / Riptides, overfalls
, height and shallow, / So much unfathomed." He develops in Love Life the classic triad of truth, beauty, and goodness; he brings together heart and mind; and he celebrates the paradox of freedom and control: "Already we've become the dance; bodies and minds / A sweated ecstasy, a pulsing frenzy of control" ("Summerfest").
In the vicinity of Singapore the tidal streams can attain rates of some 6 knots with associated eddies and overfalls
. These strong tidal streams cause large uniform sandwaves on the seabed, which form at right angles to the water flow and can vary in height from 13 to 23 feet.
In an 18ft Drascombe lugger, the overfalls
off the Great Orme and the Gower seemed a bit larger in proportion and our landfall at Rhyl harbour in the dark, I shall never forget!
But Potter overfalls
the rest of the play with adrenalin and slapstick, elevating peripheral characters to scenery-chewing cartoons, and the western-film effects seem more Mei Brooks's Blazing Saddles than Clint Eastwood in The Good the Bad and the Ugly.