GRACE consists of twin co-orbiting satellites that fly in a near polar orbit separated by a distance of 220 km. GRACE precisely measures the distance between the two spacecraft in …
more at “NASA-supported researchers have found that ice covering Greenland is melting faster than previously thought. The action is happening out of sight, below the surface.” Public domain film from …
Global sea level rise is one of the major environmental challenges of the 21st Century. Oceans Melting Greenland (OMG) is paving the way for improved estimates of sea level rise …
NASA observations show the dynamism of Greenland’s Ice sheet in the changing elevation of its surfaces. Recent analysis of seven years of readings from NASA’s ICESat satellite and four years …
Why are scientists out flying over Greenland, drilling into its ice, and monitoring it from space? The answer is that they see it as a bellwether of future Earth. Scientists …
Foraminifera – tiny, single-celled marine life forms – build gorgeous houses that record how much ice there is on the planet. This video was supported by the Heising-Simons Foundation. To …