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Your article says that tsunamis “disrupt winds,” leading to the appearance of dark bands. I propose that upwelling above the crests creates a new surface initially unaffected by the wind and therefore slick. Such bands of slick water formed by tides are a common sight in Puget Sound. Harry HigginsSeattle, Wash.
- Earth
Catching Waves: Ocean-surface changes may mark tsunamis
A new theoretical model that describes a tsunami's interaction with winds may explain enigmatic observations associated with the waves and could lead to a technique for spotting them long before they hit shore.
- Ecosystems
Bird Dilemma: More seabirds killed when boats discard fewer fish
A long-term study of great skuas shows that when fishing fleets discard less fish, birds that scavenge for waste make up for the loss by increasing attacks on other seabirds.
