Tag: "keel" at biology news
University of Delaware lays keel for new research vessel
...o, when ships were made of wood, the laying of the keel
-- the long timber forming the ship's "backbone" -...ing a new vessel. In modern ship construction, the keel
is no longer the principal structural component. However, shipbuilders still honor the keel-laying t...
AGU journal highlights - 6 January 2004
...stad et al. simulated the effects from varying ice keel
depthson the upper ocean during summer and winter, when the changes inice thickness affect the polar oceans' flow patterns and ice coverage.The authors note that shallow ice keels (one meter [three feet] or less) seen during summer generate a turbule...
Men die young, even when they're old
... of 50 were on average twice as likely as women to keel
over, and the risk remained greater even for those men who had made it to their eighties and beyond. Less surprisingly, the discrepancy in death rates between men and women was most extreme between the ages of 20 and 24, when three times as many men ...
Ice-breakers drive whales away
...er is a high-pressure air-venting system along the keel
that protects the hull by pushing away fragments of broken ice. The continuous bubbling noise has a sound pressure level of around 192 decibels. Meanwhile, the ice-breaker's screw produces cavitation noise levels of 197 dB, rising to 205 dB when the ...