Northwest Passage Reappears in Artic Ocean — Two of Them

Tuesday, September 9th, 2008

In the first week of September 2008, Arctic sea ice extent had not fallen below the record low observed in 2007, but the season set a new kind of record. For the first time in probably half a century—and definitely since satellite observations began about three decades ago— sea ice ...

The World’s Hurricane Cycles

Sunday, September 7th, 2008



The Windiest Place in the World

Thursday, July 31st, 2008

[singlepic=409,540,520,,center] Map of World's Ocean Wind Resources (Top:Winter; Bottom:Summer) Cape Farewell sits on the southern tip of Greenland near the intersection of the Labrador Sea and the Atlantic Ocean. The collision of cold and warm ocean currents in this area amplify the strength of the Gulf Stream wind patterns to their maximum ...

Changes in Surface Wind Speeds Caused Ice Age

Saturday, July 19th, 2008

[singlepic=380,530,420,watermark,center] Map of Ocean Wind Power Potential (NASA, 2007) European scientists have discovered evidence that minute changes in global wind patterns may have initiated the last ice age, according to a new study in the journal Geophysical Research Letters. Wind patterns appear to have affected tidal currents in the North Atlantic Ocean ...

Maps of Oceans Wind-Power Potential in Summer & Winter

Wednesday, July 16th, 2008

[singlepic=380,530,440,watermark,center] Map of Summer Wind Power Potential - Purple=Strong Wing Ocean winds are wildly irregular. In some spots, the air is still. In others, the wind whips fiercely over the waters. To identify potential wind-farm locations, researchers at the Jet Propulsion Laboratory mapped out average wind intensity over the ...

Measuring the World’s Metabolism

Tuesday, June 24th, 2008

[singlepic=321,520,440,watermark,center] Global Carbon Sinks Organized by Intensity - Yellow, Red, Blue, Purple All living organisms contain carbon. Organisms that absorb more carbon dioxide from the atmosphere than they emit are called "carbon sinks." Those that emit more carbon dioxide than they absorb are called "carbon sources." Rainforests and oceans are ...

Graphic Illustration of Invasive Species Spreading Across Planet

Thursday, June 19th, 2008

[singlepic=290,520,460,,center] Major pathways and origins of invasive species infestations in the marine environment. The graphically enhanced map featured above illustrates the most important trajectories pursued by invasive or exotic species infestations in marine habitats. The patterns track major shipping routes. The growing number of areas overrun with invasive species (which are ...

What to Expect When You’re Expecting Climate Change: Salty Water & Thirsty Mouths

Wednesday, June 18th, 2008

[singlepic=263,510,400,watermark,center] Estimates of ocean heat content and sea surface temperature Top graph: Comparison of our upper-ocean heat content with previous estimates (red1 and blue12) for the upper 700 m. The straight lines are linear fits to the estimates. The global mean stratospheric optical depth(arbitrary scale) at the bottom indicates the timing ...

How Deep Is the Ocean?

Sunday, June 15th, 2008

[singlepic=229,510,400,watermark,center] The deepest spot in the oceans of the world occurs at the Marianas Trench in the Western Pacific Ocean, where the sea-floor sits approximately 36,160 feet under the ocean surface, according to the National Oceanic Data Center.