underwater sound

Playing tag with whales

ShareThis[1336] Johnson, M. P., "Playing tag with whales", Oceanus, vol. 43, issue 2, Woods Hole, Massachusetts, Woods Hole Oceanographic Institution, pp. 57-58, 03/2005. Get PDF:  Full Text.pdf (format PDF / 2 MB)

The challenge of designing a device to learn what marine mammals do on dives is the stuff of dreams for an electronics engineer.

Run deep, but not silent

ShareThis[1335] Tyack, P., "Run deep, but not silent", Oceanus, vol. 43, issue 2, Woods Hole, Massachusetts, World Scientific, pp. 54-56, 03/2005. Get PDF:  Full Text.pdf (format PDF / 2 MB)

Whales are among the most elusive animals that humans have ever hunted. Pursuing whales across the seas and centuries, whalers made careful observations of whale behavior whenever and wherever they surfaced. But sperm whales, for example, spend about 95 percent of their time beneath the waves. Studying five percent of their behavior was enough to learn how to kill them, but it has taught us very little about how they live.

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