SlocumGlider
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Fleet of underwater gliders could improve global weather forecasts
While our entire climate model is based on the world's ocean currents, there's a surprising lack of detailed measurements of their movements. Researchers from Rutgers and elsewhere want to rectify that with the Challenger Glider Mission, which will launch 16 unpowered, autonomous submarines later this month. As with past adventures, the 7-foot-long craft will ply deep currents across 80,000 square miles in five ocean basins, using buoyancy changes and fins for propulsion and navigation. From there they'll transmit real-time current, temperature and salinity data to the Iridium satellite network. Combined with other observational methods, that could help scientists refine current climate models and improve forecasting. Researchers will also gauge the health of our planet's oceans using phytoplankton measurements -- definitely a hot-button issue at the moment.
Autonomous glider robot safeguards whale pods
We've all heard the diehards claiming that the whales are the ones we should save, and thanks to an autonomous glider crafted by Webb Research, they're finally getting their wish. Recently, a trial was pursued in which a radio / satellite phone-equipped Slocum Glider was sent up to 200-meters beneath the depths in order to survey, pinpoint, and record location data for various whale pods swimming about. The device then surfaces and "phones home" the recently gathered information, which can then be disseminated out to ensure nearby vessels don't enter whale-packed territories. Jim Theriault of Defense Research and Development Canada, Dartmouth ran the experiment, and noted that this iteration of whale sensing and reporting improved on previous attempts by being uber-stealthy, featuring a remote data reporting system, and boasting a signal processor capable of tracking even the baleen whale's "lower-frequency call." Currently, the torpedo runs on batteries which last a month or so without needing a recharge, but future renditions are planned to scour the waters for "between five months and a year" by utilizing a special recharging gel. Look for these to hit your nearest ocean later this summer, and try not to be too alarmed when it surfaces beside your craft.[Via The Raw Feed]
