Envisat making first direct measurements of ocean surface velocities
User rating: 4.7 / 5 after 3 vote(s)
For more than a decade space-based radar instruments have been routinely observing ocean surface phenomena including wind, waves, oil slicks, even the eyes of hurricanes. Now – employing the same principle as police speed guns – satellite radar has also begun to enable direct measurements of the speed of the moving ocean surface itself.
Full story »