The latest from NASA's Earth Observatory (31 March 2015)

Tournament Earth 2015: The Finals

The championship round of the 2015 tournament has arrived! Which image deserves the crown? The colorful faults in Xinjiang or lightning over Saudi Arabia and Kuwait? Vote for your favorite by Friday at 4 p m EDT (8 p m UTC) and then check back next Monday when we reveal the winner

http://earthobservatory nasa gov/TournamentEarth/?src=eoa-ann

New Features: http://earthobservatory nasa gov/Features/

• Big Data Helps Scientists Dig Deeper http://earthobservatory nasa gov/Features/LandsatBigData/?src=eoa-features Empowered by free access to the Landsat data archive, earth scientists are using new computing tools to ask questions that were impossible to answer a decade ago From week-to-week fluctuations in forests to year-to-year changes in land cover, researchers can now examine our planet in much greater detail

Latest Images: http://earthobservatory nasa gov/IOTD/

• Floating Farms http://earthobservatory nasa gov/IOTD/view php?id=85606&src=eoa-iotd

• Global Lightning Activity http://earthobservatory nasa gov/IOTD/view php?id=85600&src=eoa-iotd

• Lake Chad and a Bodele Dust Plume http://earthobservatory nasa gov/IOTD/view php?id=85588&src=eoa-iotd

• Looking Down and Up at the Aurora http://earthobservatory nasa gov/IOTD/view php?id=85556&src=eoa-iotd

• Snowmelt Has Been Coming Earlier in Wyoming http://earthobservatory nasa gov/IOTD/view php?id=85591&src=eoa-iotd

• In the Aftermath of Cyclone Pam http://earthobservatory nasa gov/IOTD/view php?id=85582&src=eoa-iotd

• Bigger Thunderstorms are Bringing More Rain to the Tropics http://earthobservatory nasa gov/IOTD/view php?id=85571&src=eoa-iotd

• Weak El Niño, but Hints of Pacific Change http://earthobservatory nasa gov/IOTD/view php?id=85532&src=eoa-iotd

Recent Blog Posts: http://earthobservatory nasa gov/blogs/

Notes from the Field * Gathered in Greenland, Prepared for Field Work http://earthobservatory nasa gov/blogs/fromthefield/?p=6713&src=eoa-blogs