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Science Nation: Diatom Algae Populations Tell a Story About Climate Change in Greenland

3 minutes

Now Playing As: Captioned (English) (change)

With support from the National Science Foundation, Lake Ecologist Jasmine Saros and her team from the University of Maine are gathering diatoms from the lake waters of southwestern Greenland. They are using the diatoms in their studies of how climate change is affecting this Arctic ecosystem. Diatoms are a type of algae that responds rapidly to environmental change. Diatom species generally associated with warmer conditions are increasing at unprecedented rates in the sediment record.

Media Details

Runtime: 3 minutes

Topic: Geography, Science
Subtopic: Conservation, Ecology, Environmental Issues, Polar Regions
Grade/Interest Level: 7 - 12
Standards:

Release Year: 2009
Producer/Distributor: National Science Foundation
Series: Science Nation

Computer screens with color-shaded images of a spiral shaped storm. Caption: study hurricanes, tornadoes, and blizzards from the inside.

Person filling a glass from a faucet. Caption: our risk of contracting some form of cancer would go up.

Green landscape with a hillside in the background. A small industrial installation is present. Caption: They don't know where to get information they can trust.

Robotic arms manipulating a small ball. Caption: is pushing the world of robotics and prosthetics

Bolt of lightning arcing from cloud to ground. Caption: we all want up-to-the-minute information.

Cluster of nerve fibers. Caption: that can image deep into biological tissue,

Dirty water with bubbles and PVC pipes. Caption: and reused again and again in a sustainable loop.

Person with a fabric cap strapped to their head. The cap has metal rivets and wires attached. Captions: (female) it feels maybe like a mild itchy or tingling sensation.

Microscopic image showing web-like structures and C shaped tubular organisms. Caption: (narrator) The soil itself is home to a vast number of tiny microbes,

White glowing orb against a black grid. Caption: Weakly Interacting Massive Particle