20 May '12, 10pm

Lake Powell and The Rincon, Utah: Man and nature have both altered the course of a southwestern U.S. river.

This astronaut photograph highlights part of Lake Powell, which extends across southeastern Utah and northeastern Arizona. Lake Powell started filling in 1963 when the Glen Canyon Dam was completed along the Colorado River in Arizona, and the canyon was flooded. The serpentine surface of the reservoir—highlighted by gray regions of sunglint —follows the incised course of the canyon, which was cut downwards into the existing rock layers by the erosive power of the river. The two branches shown in the image are connected by a bend to the southwest (not shown). Lake Powell is part of the Glen Canyon National Recreation Area, which extends for more than 300 kilometers (186 miles) along the shoreline and side canyons. The primary intended use of Lake Powell’s water is support for agriculture, with a small portion allocated to urban use in Arizona, Nevada, and California. The re...

Full article: http://earthobservatory.nasa.gov/IOTD/view.php?id=77981&s...

Tweets

The Baden Powell

The Baden Powell

deluxeduck.livejournal.com 27 May '12, 9am

Rekorderlig strawberry-lime cider baba ghanoush & houmus dips w sourdough chilli dusted calamari served with sichuan and p...

Bloomin' Black Sea [image] #NASA

Bloomin' Black Sea [image] #NASA

earthobservatory.nasa.gov 19 May '12, 1pm

Enriched by nutrients carried in by the Danube, Dnieper, Dniester, Don and other rivers, the waters of the Black Sea are f...

2012 Shanghai DL: Liu Xiang runs 12.97, Asafa Powell Wins, Dibaba runs 3:57.77 WL

2012 Shanghai DL: Liu Xiang runs 12.97, Asafa P...

runblogrun.com 20 May '12, 12am

SHANGHAI (CHN, May 19): Second Samsung Diamond League meet of the year in huge stadium here (first time held in 2005) star...

NTU helps to clean polluted lake in Sri Lanka

NTU helps to clean polluted lake in Sri Lanka

straitstimes.com 21 May '12, 12am

NANYANG Technological University (NTU) students will benefit from more overseas field work opportunities, with a new tie-u...