Tag Archives: autonomous underwater vehicles

Polar night

Arctic excursion explores how sea life copes with continuous winter darkness

When the North Pole tilts away from the sun during the winter, the Arctic region plunges into weeks of continuous darkness. The sun never peeks above the horizon, casting only a twinge of blue twilight at midday, and the moon dimly illuminates the landscape at night if conditions are clear. 

People living in this “polar night” have adapted to the darkness using artificial light, but how ocean inhabitants cope remains to be seen.   (more…)

Read More

Scientists Find Part of New Zealand’s Submerged “Pink Terraces”

They were called the Eighth Wonder of the World. Until the late 19th century, New Zealand’s Pink and White Terraces along Lake Rotomahana on the North Island, attracted tourists from around the world, interested in seeing the beautiful natural formations created by a large geothermal system. But the eruption of Mt. Tarawera on June 10, 1886, buried the terraces in sediment and caused the lake basin to enlarge, engulfing the land where the terraces stood. For more than a century, people have speculated whether any part of the Pink and White Terraces survived the eruption. (more…)

Read More

What Lives in the Sea? – First Census of Marine Life Reveals Thousands of New Species

The Census of Marine Life, a ten-year project to catalog all life in the sea, discovered more than 6,000 new species during its “decade of discovery,” scientists reported as they unveiled its results at a finale event in London Oct. 4-6. The collaboration combined the efforts of scientists from research organizations in more than 80 nations, including the Woods Hole Oceanographic Institution (WHOI). (more…)

Read More

Expedition to Mid-Cayman Rise Identifies Unusual Variety of Deep Sea Vents

*Method included first use of Nereus hybrid vehicle in ‘autonomous’ mode*

The first expedition to search for deep-sea hydrothermal vents along the Mid-Cayman Rise has turned up three distinct types of hydrothermal venting, reports an interdisciplinary team led by Woods Hole Oceanographic Institution (WHOI) in this week’s Proceedings of the National Academy of Sciences.

(more…)

Read More