atmosphere

Global sea level rise temporarily dampened by 2010-11 Australia floods

Three atmospheric patterns came together above the Indian and Pacific Oceans in 2010 and 2011. When they did, they drove so much precipitation over Australia that the world's ocean levels dropped measurably. Unlike other continents, the soils and topography of Australia prevent almost all its precipitation from flowing into the ocean.

Scientists look into Earth's "Deep Time" to predict future effects of climate change

Scientists look into Earth's "Deep Time"

Climate change alters the way in which species interact with one another--a reality that applies not just to today or to the future, but also to the past. "We found that, at all time scales, climate change can alter biotic interactions in very complex ways," said paleoecologist Jessica Blois of the University of California, Merced, the study's lead author. "If we don't incorporate this information when we're anticipating future changes, we're missing a big piece of the puzzle."

Changing Atmosphere Affects How Much Water Trees Need

Above the forest canopy: looking down at the trees from a Michigan eddy-covariance tower.

Spurred by increasing levels of atmospheric carbon dioxide, forests over the last two decades have become dramatically more efficient in how they use water. Scientists affiliated with the National Science Foundation's (NSF) Harvard Forest Long-Term Ecological Research (LTER) site report the results in this week's issue of the journal Nature.

See the following articles:

NOVA Program - Earth from Space

From PBS-NOVA:  Earth From Space is a groundbreaking two-hour special that reveals a spectacular new space-based vision of our planet. Produced in extensive consultation with NASA scientists, NOVA takes data from earth-observing satellites and transforms it into dazzling visual sequences, each one exposing the intricate and surprising web of forces that sustains life on earth.

Impacts of Ocean Acidification on Marine Life

Young bivalves such as oysters, coral reefs, and other organisms that rely on calcite or aragonite to grow their shells and structures are fighting a battle with ocean acidification. We provide links to several recent articles on the issue, which would serve as an excellent topic for a classroom discussion or writing exercise.

Background Article: Larvae, Climate and Calcification

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