News tagged with journal of geophysical research

Observing the onset of a magnetic substorm

Magnetic substorms, the disruptions in geomagnetic activity that cause brightening of aurora, may sometimes be driven by a different process than generally thought, a new study in the Journal of Geophysical Research: Space Ph ...

Sep 02, 2014
5 / 5 (3) 0

Radio waves carry news of climate change

The ionosphere, one of the regions of the upper atmosphere, plays an important role in global communications. Ionized by solar radiation, this electricity-rich region is used for the transmission of long ...

Jul 30, 2013
4 / 5 (8) 1

Evidence for a Martian Ocean

(Phys.org) —Researchers at the California Institute of Technology (Caltech) have discovered evidence for an ancient delta on Mars where a river might once have emptied into a vast ocean.

Jul 17, 2013
4.8 / 5 (13) 7 | with audio podcast

Less rainfall expected for the Hawaiian Islands

Almost imperceptibly, rainfall over the Hawaiian Islands has been declining since 1978, and this trend is likely to continue with global warming through the end of this century, according to a team of scientists ...

Apr 23, 2013
3.4 / 5 (14) 11 | with audio podcast