April 27, 2012

Jellyfish-Like Creatures Cause Shutdown of Diablo Canyon Nuclear Plant

An influx of "thumb-sized" creatures in cooling sea water proved too much for a California nuclear power plant this week, according to NDTV:
The Diablo Canyon nuclear power plant, in San Luis, California, shut down its Unit 2 reactor after sea salp, a planktonic jellyfish-like creature clogged the screens of the plant’s coolant water intake. The influx of the gelatinous animals was discovered Wednesday. Initially, plant operators reduced its functional reactor to 25% capacity. Unit 1 had a scheduled refueling earlier in the week, and had been shut down.
In smaller quantities away from industrial activity, Salps have been known to have a beneficial effect on seawater by consuming bacteria. The San Luis coastal salp invasion may be just a periodic bloom.

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