Adios El Nino, Hello La Nina?
(PhysOrg.com) -- The moderate El Nino of the past year has officially bowed out, leaving his cool sister, La Nina, poised to potentially take the equatorial stage.
NASA Satellites Keep Watch on Gulf Current Near Spill
(PhysOrg.com) -- Scientists and agencies monitoring the oil spill in the Gulf of Mexico are keeping a wary eye on changes in the nearby Loop Current, a warm ocean current that is part of the Gulf Stream.
Topography Reflects Baja Quake Site's Complex Geology
(PhysOrg.com) -- The topography surrounding the Laguna Salada fault in the Mexican state of Baja, California, is clearly shown in this combined radar image and topographic view (above) generated with data ...
Shuttle Mission That Mapped Earth Marks 10th Anniversary
On Feb. 11, 2000, two radar antennas built by JPL launched aboard Space Shuttle Endeavour on an 11-day mission to create the first-ever near-global high-resolution database of Earth's topography.
'Supra-glacial lakes' are the focus of a new Penn State study
(PhysOrg.com) -- Rising temperatures on the Greenland ice sheet cause the creation of large surface lakes called supra-glacial lakes. Now a Penn State geographer will investigate why these lakes form and their ...
Glacier-melting debate highlights importance of satellites
The intense public debate on how rapidly the Himalayan glaciers are retreating highlights the necessity for the constant monitoring of glaciers worldwide by satellites.
Fault Responsible for Haiti Quake Slices Island's Topography
(PhysOrg.com) -- The fault responsible for the Jan. 12 magnitude 7.0 earthquake that devastated Haiti is visible in images created using NASA radar topography data acquired in 2000.
Rural America more prosperous than expected
For many people "rural" is synonymous with low incomes, limited economic opportunity, and poor schools. However, a recent study at the University of Illinois found that much of rural America is actually prosperous, ...
El Nino Picking Up Steam
(PhysOrg.com) -- The latest image from the U.S./French Jason-2 satellite finds a strong wave of warm water heading toward the Americas, fueling El Nino.
Goddard Visualization Team Previews Lunar Impact
(PhysOrg.com) -- At 7:30 a.m. EDT on October 9, a two-ton rocket body will slam into a crater near the moon's south pole. By studying the resulting plume of gas and dust, scientists hope this grand experiment ...
Space Radar Reveals Topography of Tsunami Site
(PhysOrg.com) -- Two color-coded perspective views of the Independent State of Samoa (left) and American Samoa (right), generated with digital elevation data from the Shuttle Radar Topography Mission, illustrate ...
Floundering El Ninos Make for Fickle Forecasts
(PhysOrg.com) -- Since May 2009, the tropical Pacific Ocean has switched from a cool pattern of ocean circulation known as La Niña to her warmer sibling, El Niño. This cyclical warming of the ocean waters ...
Research pinpoints conditions favorable for freak waves
(PhysOrg.com) -- Stories of ships mysteriously sent to watery graves by sudden, giant waves have long puzzled scientists and sailors. New research by Assistant Professor of Geosciences Tim Janssen suggests ...
New research sheds light on freak wave hot spots
Stories of ships mysteriously sent to watery graves by sudden, giant waves have long puzzled scientists and sailors. New research by San Francisco State professor Tim Janssen suggests that changes in water depth and currents, ...