Altimetry

CryoSat Breaks the Ice with Ocean Currents

6 Feb 2012

Ocean measurements from ESA's CryoSat mission are being exploited by CNES to provide global ocean observation products in near-real time. Understanding sea-surface currents is important for marine industries and protecting ocean environments.

Toward a global microwave standard

6 Feb 2012

Much of what is known about decadal climate change – and much of what appears on the evening weather forecast as well – comes from satellite-based remote sensing of microwave radiation at different levels in the Earth's atmosphere. Microwave measurements are generally reported as the apparent temperature of the object being monitored. Yet, at present, there is no accepted brightness-temperature ...

The hills are evolving: New model predicts speed of spreading valleys

6 Feb 2012

From high above the Florida Panhandle, the Apalachicola Bluffs -- a winding system of steep ravines -- look like the branching veins of a leaf.