Sarah Das
Scientists Find Trigger That Cracks Lakes
Graduate student Laura Stevens became a focal point of a research team that cracked a big mystery atop the Greenland Ice Sheet.
The Jetyak
Oceanographers are always looking for cost-effective vehicles to help them explore risky regions. Scientists at WHOI have developed one: a robotic platform called the Jetyak.
Getting to the Bottom of the Greenland Ice Sheet
Greenland—the world’s largest island—is also home to one of the world’s largest ice sheets (after Antarctica). If Greenland’s two-mile-thick ice sheet melts completely, it would ultimately raise global sea level by 23 feet, drowning significant…
Crack! A Lake Atop Greenland Disappears
In late July 2006, a 2.2-square-mile lake atop the Greenland Ice Sheet sprung a leak. Like a draining bathtub, the entire lake emptied from the bottom, sending water through a crack that reached the base…
Tracking an Ocean of Ice Atop Greenland
Sarah Das calls herself a “frozen oceanographer.” Most people look at Greenland and see a vast ice sheet covering Earth’s largest island. But Das sees a huge reservoir of water—temporarily removed from the ocean and…