Reconstructing Weather to Predict Climate
Introduction A pilot in a “Wildcat” fighter receives the launch signal from the deck of the USS Makin Island in 1945. Photo courtesy of Naval History and Heritage Command. During World War II, the...
View ArticleProjecting Climate Conditions for the End of the Century
Download large image (1.2 MB, PNG) Global climate models project that near the end of the 21st century, average surface temperature over most of Earth’s surface will be several degrees warmer than...
View ArticleDust on Snow Reduces Colorado River Flow
Download large images: top | bottom Human activities, such as livestock grazing and building, are breaking down desert soil in the Southwest, leaving dusty particles to be swept up by the wind. The...
View ArticleOcean Acidification, Today and in the Future
Download large images: Present day | 2100, with CO2 reduction | 2100, no CO2 reduction Around half of all carbon dioxide produced by humans since the Industrial Revolution has dissolved into the...
View ArticleTorrential Rains in Thailand
In late March, torrential rains pounded southern Thailand. In one week, some places on the Malay Peninsula received more than 4 feet of rain. The out-of-season rains caused deadly flash floods and...
View ArticleWarming climate will add to habitat woes for Pacific NW salmon
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View ArticleArctic Sea Ice Getting Thinner, Younger
It’s been a dramatic year for Arctic sea ice. The beginning of the melt season was sluggish, but by late August, ice extent had shrunk to 1.58 million square miles (4.10 million square kilometers),...
View ArticleSummer 2012 brought record-breaking melt to Greenland
A massive ice sheet almost completely covers Greenland, and as summertime temperatures climb and sunlight hours lengthen, parts of the ice sheet surface usually melt, especially at lower elevations...
View ArticleLess glitter: Greenland Ice Sheet continued to darken in summer 2012
On a sunny day, Greenland is an immense, glittering expanse of snow and ice. But in recent summers, satellites have been observing less “glitter” from the Northern Hemisphere’s largest ice expanse due...
View ArticleMelt pond “skylights” enable massive under-ice bloom in Arctic
For much of the winter, the land within the Arctic Circle receives little direct sunlight*, and most of the surface of the Arctic Ocean is capped by ice. Beneath the ice cover, phytoplankton—the...
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