Stay Curious

SIGN UP FOR OUR WEEKLY NEWSLETTER AND UNLOCK ONE MORE ARTICLE FOR FREE.

Sign Up

VIEW OUR Privacy Policy


Discover Magazine Logo

WANT MORE? KEEP READING FOR AS LOW AS $1.99!

Subscribe

ALREADY A SUBSCRIBER?

FIND MY SUBSCRIPTION
Advertisement

Monitoring Water With GRACE

Discover how the GRACE satellite program enhances insights into global water supplies and groundwater management in the U.S.

GRACE data was used, among other data, in creating this map of ocean currents from 2005 to 2007.Image courtesy NASA Goddard Space Flight Center.

Newsletter

Sign up for our email newsletter for the latest science news

Sign Up

In an article in the journal Science this week, University of California-Irvine professor of engineering James Famiglietti and NASA hydrologist Matthew Rodell make the case for improving the GRACE satellite program, which has been critical to understanding global water supplies.

GRACE (Gravity Recovery and Climate Experiment) has given us so much, and while scheduled for a 2017 relaunch, these water wonks argue that there are tweaks that could make it an even better water management tool. More compelling data visualization would have to be logical outcome of improvements too, right?

The GRACE mission is a joint effort between NASA and the German Aerospace Center that maps variations in Earth’s gravity field. Two identical satellite-carrying spacecraft orbit the planet about 140 miles apart. When the two are pulled away from each other, even just slightly, it means they have entered an area of slightly stronger gravity. The change could be imperceptible ...

Stay Curious

JoinOur List

Sign up for our weekly science updates

View our Privacy Policy

SubscribeTo The Magazine

Save up to 40% off the cover price when you subscribe to Discover magazine.

Subscribe
Advertisement

0 Free Articles