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Geotimes March 2006 Powell et al. |
Drilling Back to the Future Antarctica plays a fundamental role in sea-level change and ocean chemistry, and has the potential for important societal impacts over human timescales. |
Geotimes August 2004 Naomi Lubick |
Doubling the Ice Record A team of European researchers released their first round of results from the longest ice core ever to be recovered from a polar glacier. Measurements show some interesting temperature shifts that may cause climatologists to reevaluate their models. |
Popular Mechanics February 19, 2010 Trevor Williams |
On Thick Ice: Live From An Antarctic Drilling Trip The Integrated Ocean Drilling Program is exploring the ocean floor around Antarctica to learn how the ice sheet reacted in warmer climates of the past and how they might respond to future warming. |
Geotimes October 2007 Nicole Branan |
Current Not Responsible for Antarctica's Ice? The long-held theory of the Antarctic Circumpolar Current triggering the continent's formation of its permanent ice sheet is being challenged by a new study suggesting that a strong ACC didn't start until about 10 million years after the ice cap formed. |
Geotimes January 2007 Margaret Putney |
Ice Reveals Polar Temperature Seesaw A new ice core from Antarctica directly correlates abrupt changes in Greenland's climate over the last 150,000 years with counterpart changes in Antarctica -- offering further indication that the two icy regions are connected by ocean currents in a sort of bipolar seesaw. |
Geotimes October 2007 Moran & Backman |
The Arctic Ocean: So Much We Still Don't Know In 2004, the Arctic Coring Expedition team took three ships to the Arctic to drill a core near the Lomonosov Ridge. The team's results are teaching us more than we ever knew about the past 65 million years in the Arctic. |
Geotimes June 2006 Kathryn Hansen |
Fish Teeth Bite Into Antarctic Formation Ancient fish teeth are taking a bite out of an old conundrum about how Antarctica became the frigid continent that it is today. The teeth suggest an early start to key oceanic processes that drove the climatic shift. |
Geotimes November 2006 Margaret Putney |
Ice Reveals Polar Temperature Seesaw A new ice core from Antarctica directly correlates abrupt changes in Greenland's climate over the last 150,000 years with counterpart changes in Antarctica -- offering further indication that the two icy regions are connected by ocean currents in a sort of bipolar seesaw. |
Geotimes May 2004 Sara Pratt |
Ice in the Greenhouse? The greenhouse world of the Late Cretaceous, long thought to be ice-free, may have been chillier than previously predicted. |
Popular Mechanics March 15, 2010 Trevor Williams |
Iceberg Forensics: Predicting the Planet's Future With Antarctic Ice Something new is happening with the ice streams and glaciers. They are getting thinner, and they are getting thinner because they are speeding up. |
Geotimes August 2006 Megan Sever |
From Hot to Cold in the Arctic For the first time, scientists have recovered direct evidence of what life in the Arctic has been like for the past 56 million years. A new 400-meter-long sediment core is revealing that all in the Arctic has not always been as it seems. |
Geotimes April 2007 Katherine Unger |
Two Continents, One Conclusion A sharp change in climate tens of millions of years ago was global, not regional as previously thought, according to two new studies. That could have implications for global climate change in the modern world, researchers say. |
Geotimes December 2005 Kevin E. Trenberth |
A Warming World Climate change is with us; we cannot stop it, although we can slow it down. It behooves us therefore to track how and why the climate is changing. |
Geotimes September 2004 Megan Sever |
Slower Cooling in Oregon New research suggests that the climate in Oregon slowly cooled over 6 million years as a result of evolving grasslands pulling carbon dioxide out of the air and locking the carbon into the soil. |
Geotimes January 2004 Naomi Lubick |
Longer polar ice record Geoscientists have beefed up a dataset documenting ice cover at Earth's poles, revealing a longer and slightly different picture than painted in the past by satellite observations. |
Geotimes November 2004 Naomi Lubick |
Past warming for the future As the Bush administration prepares for a second term, only time will tell how its climate change policy will change in the next four years. In the meantime, discussions of the science behind climate changes abound in the journals and within the scientific community. |
Chemistry World March 2006 Katie Gibb |
Extreme Analysis High pressures, cold temperatures and inaccessible samples all make analytical work challenging for chemists. Science still has a lot to gain from studying and working in extreme environments. |
Chemistry World August 2008 |
Cold chemistry Intrepid researchers will brave the harshest conditions in the name of science. Ned Stafford talks to some of Antarctica's chemists |
Fast Company December 2009 Anne C. Lee |
Freeze: The Antarctic Treaty Turns 50 On the first of December 1959, 12 nations signed a pact freezing territorial claims and banning military activity in Antarctica. Here's a tour. |
Geotimes May 2005 Naomi Lubick |
Heat Imbalance Portends Problems Results from a new assessment show that Earth is absorbing more energy than it releases into space, with implications for climate change that researchers say point to future warming with consequences for melting ice sheets and sea-level rise. |
Geotimes November 2003 Sara Pratt |
Stuck between a rock and a cold place A stalagmite mined from an island cave in the Indian Ocean suggests that the ages currently assigned to the gold standard of ancient climate records -- the Greenland ice cores -- need revision for the period between 55,000 and 42,000 years ago. |
Scientific American July 2008 Peter Brown |
NASA Satellites Watch Polar Ice Shelf Break into Crushed Ice Ice is melting at the poles much faster than climate models predict. |
Popular Mechanics August 12, 2008 Laurie J. Schmidt |
Sensor-Laden Super Seals Dive Deep for New Global Warming Data A behemoth marine mammal whose diving skills would put an Olympic athlete to shame has become a surprise player in climate-change studies |
Chemistry World September 27, 2007 Simon Hadlington |
Scientists Uncover How Last Ice Age Ended Scientists have shown that the end of the last age 19,000 years ago began in the higher latitudes of the southern hemisphere before sweeping into the tropics. |
Wired April 2000 Oliver Morton |
Ice Station Vostok The fast track to the moons of Jupiter - and the key to life on Earth - is a prehistoric lake nearly three miles beneath the Antarctic ice cap. |
Smithsonian October 2006 Anne Bolen |
Life in the Field - Frozen in Time Glaciers in the Pacific Northwest have recorded hundreds of years of climate history, helping researchers plot how quickly the planet is warming. |
Geotimes February 2007 Nicole Branan |
Shifting Winds Shift Warming Trends? New model simulations indicate that a poleward shift in the Southern Hemisphere westerly winds could cause the Southern Ocean's carbon dioxide and heat uptake to increase by up to 20%. |
IEEE Spectrum September 2011 Paden et al. |
A Next-Generation Ice Radar Scientists can now probe polar ice sheets better than ever using synthetic-aperture radar |
Geotimes April 2005 |
Geomedia Arctic Climate Change in Photos... Book review: Frozen Earth: The Once and Future Story of Ice Ages by Doug Macdougall... Mapping Sinkhole Risk in Maryland... |
Geotimes March 2006 Naomi Lubick |
Ice Hunter: Q&A With Lonnie Thompson An interview with glaciologist and Byrd Polar Research Center scientist Lonnie Thompson about what it mean to hunt ice and about some his current work. |
Geotimes December 2006 |
Top Climate News Stories of 2006 A new public face for climate change... Strong debate over storms... Thawing ice shifts water cycles... Methane climate menagerie... etc. |
Geotimes July 2007 Kathryn Hansen |
Ancient Ocean Burps A sediment core extracted from the ocean floor off the coast of Baja, Calif., indicates two "burps" of carbon dioxide were once released from a deep, stagnant part of the ocean. |
Smithsonian July 2007 J. Madeleine Nash |
Chronicling the Ice Long before global warming became a cause celebre, Lonnie Thompson was extracting climate secrets from ancient glaciers. He finds the problem is even more profound than you might have thought. |
Geotimes December 2004 Sara Pratt |
Antarctic Ice Connections The West Antarctic ice sheet contains 3.2 million cubic kilometers of ice. Were it to collapse due to global warming, it would raise global sea level by 5 meters, catastrophically inundating low-lying areas. |
Chemistry World January 23, 2013 |
Chemical climate proxies With the climate change debate as heated as ever, how do scientists reconstruct what the weather was like in the past? Jon Evans looks at the detective chemistry behind such environmental forensic work |
Geotimes May 2003 Greg Peterson |
A new trigger for Ice Age retreat About 14,600 years ago, a huge pulse of freshwater drained from continental ice sheets into the world's oceans. Now scientists have a new theory for where it came from. |
Chemistry World July 19, 2007 Simon Hadlington |
Antarctic Atmosphere Could Give Gaia Hypothesis a Boost The surprising discovery of significant quantities of iodine oxide in the lower atmosphere above Antarctica will have a potentially significant impact on current models of global atmospheric chemistry. |
Geotimes April 2007 Carolyn Gramling |
Wallace Broecker: Changes in the Atmosphere An interview with an expert on issues of climate change about his experiences advising politicians about the consequences of climate change and his hopes for new technologies of carbon sequestration. |
Geotimes December 2005 Naomi Lubick |
Slushball Life Hundreds of millions of years ago, a carapace of ice may have periodically covered the entire planet. New research, however, indicates that microbes seem to have thrived in certain places that they should not have during that time, leading scientists to conclude that the snowball was more slushy than frozen solid. |
IEEE Spectrum February 2013 Dave Levitan |
Laser Eyes Spy a Big Melt in the Arctic Airborne altimeters yield a disturbing picture of polar ice loss |
Geotimes June 2007 Megan Sever |
Antarctic Ice May be Grinding to a Halt Some of Antarctica's ice sheets may not be in as much danger as once thought. |
Geotimes April 2007 Sally Adee |
Massive Antarctic Lakes Discovered The recent discovery of a massive "plumbing" system of linked reservoirs 1,000 meters beneath two major ice streams of the West Antarctic Ice Sheet may help fill out climate change models. |
Outside October 2002 Ian Frazier |
Terminal Ice Hot enough for you? Go to the bottom of the planet -- or the top -- and you can't miss the warning signs of a warm apocalypse. And at the heart of the mystery, like broken shards of a colder climate, float the icebergs, ghost-white messengers trying to tell us something we can't fathom. |
Geotimes March 2007 Kathryn Hansen |
Penguin Poop Adds to Climate Picture The thick layers of penguin guano and nest debris that have stacked up over millennia in Antarctica are adding to the climate picture, indicating that the Ross Ice Shelf began advancing earlier than previously thought. |
Reason November 2008 |
Letters Letters to the Editor: Carbon: tax, trade, or deregulate?... |
Popular Mechanics May 1, 2009 Andrew Moseman |
Ice Sculptures for Science: Chain Saws, Pickaxes, Methane Hydrates and Climate Change One of the greatest unknowns regarding the future pace of climate change involves a source of greenhouse gases we can't even see, let alone control. |
Geotimes October 2004 Naomi Lubick |
Extinction Realities Baffling Flash-Frozen Science A highly exaggerated storm surge floods New York City in "The Day After Tomorrow," a movie that while entertaining, bends several laws of physics in its dramatization of sudden climate change. |
Geotimes June 2005 Naomi Lubick |
Lonnie Thompson: Tracking Ice in the Tropics His work exploring some of the most remote alpine glaciers in the world has established their value as a repository of climate data -- and their rapid disappearance, which has accelerated alarmingly as global climate changes. |
Wired September 22, 2008 Damon Tabor |
Scientists May Soon Outnumber Penguins at Earth's Poles Tens of thousands of scientists are zipping up their parkas for the latest International Polar Year initiative. |
Geotimes December 2003 Megan Sever |
A year of global ice observations Scientists are now getting the most accurate view ever of changes in the Antarctic and Greenland ice sheets. The new maps, using NASA's Ice, Cloud and Land Elevation Satellite, are shedding light on the processes controlling these ice masses, which comprise 75 percent of Earth's freshwater. |