31 Jul '14, 8pm

Lake Mead Still Shrinking #NASA

Lake Mead Still Shrinking #NASA

View Image Comparison View Both Images In May 1937, shortly after the Hoover Dam was completed and 27 months after Lake Mead started filling, the water level was 1078.70 feet (328.79 meters) above sea level. For 77 years since then, the water level behind the dam has not dropped below 1080 feet. But it just might do that soon. As the largest reservoir in the United States, Lake Mead is fed mostly by the Colorado River and its tributaries. They are in turn fed by snowmelt from the Rocky Mountains. Lake Mead and the river supply water to farms, businesses, and residents in Nevada, southern California, Arizona, and northern Mexico, and inputs and outflows from the lake are tightly managed by agreements between the surrounding states and Mexico. According to the U.S. National Park Service and the Bureau of Reclamation, the amount of water flowing out of and evaporating from La...

Full article: http://earthobservatory.nasa.gov/NaturalHazards/view.php?...

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#Drought in Lake Powell, Arizona & Utah, as see...

climate.nasa.gov 06 Aug '14, 3am

Each week our State of Flux gallery features images of different locations on planet Earth, showing change over time perio...

Lake Urmia: This shallow, saline lake in Iran i...

earthobservatory.nasa.gov 03 Aug '14, 11pm

Green and tan shades show the extent of the water in Lake Urmia (also Orumiyeh or Orumieh) in western Iran. The lake is hi...

Reporters like Tom Henry @ecowriterohio have be...

environmentalhealthnews.org 03 Aug '14, 12pm

While all links worked when entries were posted to the database, different publishers have different policies about retain...

Here's why Toledo couldn't drink water

Here's why Toledo couldn't drink water

earthobservatory.nasa.gov 04 Aug '14, 8pm

The dominant species in the Lake Erie bloom is microcystis spp., a type of freshwater blue-green algae that produces a tox...

Algae Bloom on Lake Erie #NASA

earthobservatory.nasa.gov 04 Aug '14, 4pm

Algae blooms are a regular occurrence on Lake Erie in summer. But it’s not every year that a bloom leads to the shutdown o...

Groundwater Disappearing Much Faster Than Lake Mead in Colorado River Basin

Groundwater Disappearing Much Faster Than Lake ...

ecowatch.com 24 Jul '14, 10pm

The mineral-stained canyon walls and the plunging water levels at Lake Mead , the nation’s largest reservoir, are the most...

An Infrared View of California Drought #NASA

An Infrared View of California Drought #NASA

earthobservatory.nasa.gov 02 Aug '14, 2pm

View Image Comparison View Both Images In its weekly report issued on July 31, the U.S. Drought Monitor reported that 82 p...

Summer fun in Lake Tahoe

Summer fun in Lake Tahoe

aluxurytravelblog.com 09 Aug '14, 3pm

The melting snow and rain feed Lake Tahoe. The 70-plus mile shoreline is home to a number of rustic mountain-side towns wi...