News tagged with northern hemisphere

Climate change threatens permafrost in soil

In the coming century, permafrost in polar regions and alpine forests in the Northern Hemisphere may thaw rapidly, potentially releasing carbon and nitrogen that could cause additional regional warming. Permafrost occurs ...

Sep 20, 2012
4.2 / 5 (5) 2

Biodiversity can promote survival on a warming planet

Whether a species can evolve to survive climate change may depend on the biodiversity of its ecological community, according to a new mathematical model that simulates the effect of climate change on plants ...

Nov 04, 2011
5 / 5 (4) 1 | with audio podcast

Marine predators in trouble: researchers

Iconic marine predators such as sharks, tunas, swordfish, and marlins are becoming increasingly rare under current fishing trends, say University of British Columbia researchers.

Dec 05, 2011
5 / 5 (4) 2

Dawn gets extra time to explore Vesta

(Phys.org) -- NASA's Dawn mission has received official confirmation that 40 extra days have been added to its exploration of the giant asteroid Vesta, the second most massive object in the main asteroid belt. ...

Apr 19, 2012
5 / 5 (4) 6 | with audio podcast

CubeSats launched from the space station

Five tiny CubeSats were deployed from the International Space Station on Thursday and astronaut Chris Hadfield called the image above "surreal" on Twitter. And rightly so, as they look like a cross between ...

Oct 08, 2012
5 / 5 (4) 0

Snow cover hits record lows

(Phys.org)—Santa Claus may someday need wheels for his sleigh – satellites show a decreasing amount of snow in the Northern Hemisphere.

Dec 04, 2012
5 / 5 (4) 4

Earth's northern biomass mapped and measured

The biomass of the northern hemisphere's forests has been mapped with greater precision than ever before thanks to satellites, improving our understanding of the carbon cycle and our prediction of Earth's ...

Jun 27, 2013
5 / 5 (4) 0