Global warming is abruptly redrawing parts of Antarctica’s coastline, as ice shelves collapse into the sea.
CCORC - Consortium on the Ocean's Role in Climate
ARCHES - AbRupt climate CHangE Studies
We all know that climate is either going to change, or is already doing so, as a result of human activities changing the atmosphere's composition and its land surface.
| Name | Title | Fields of interest | |
|---|---|---|---|
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Robert F. Anderson | Ewing Lamont Research Professor | Chemical Oceanography, Marine Biogeochemistry, Paleoclimatology |
| Jesse Farmer | Graduate Student | ||
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Richard Seager | Palisades Geophysical Institute/Lamont Research Professor | My interests are in climate variability and change on timescales of seasons to millennia and in particular the causes of multiyear droughts around the world and how climate change will impact global hydroclimate. I analyze observations, proxy climate rec |
In this video, Lamont-Doherty Earth Observatory researchers Robin Bell, Radley Horton, and Adam Sobel explain their research and how it can help improve adaptation practices and make our homes, livelihoods, and the systems we rely on more resilient to extreme weather and sea level rise.
Rising temperatures due to global warming will make it harder for many aircraft around the world to take off in coming decades, says a new study. During the hottest parts of the day, 10 to 30 percent of fully loaded planes may have to remove some fuel, cargo or passengers, or else wait for cooler hours to fly, the study concludes. The study, which is the first such global analysis, appears today in the journal Climatic Change.
The world may be getting set up for similar situation now, they say. Over the past 50 years, the middle and high latitudes in the northern hemisphere have warmed roughly twice as much as the corresponding latitudes in the southern hemisphere, and this disparity may continue to grow as Arctic sea ice continues to decline. Putnam and Broecker predict that as the atmosphere warms more quickly in the north than in the south, the thermal equator and tropical and mid-latitude rain bands will continue to march northward, but migrate less-so southward during the northern winter months.
Climate scientist William D’Andrea of the Lamont-Doherty Earth Observatory asked young scientists attending a symposium last October, “What do you wish everyone knew about climate change?” He turned the responses into this video, which covers the topic pretty well.
As humans continue to heat the planet, a northward shift of Earth’s wind and rain belts could make a broad swath of regions drier, including the Middle East, American West and Amazonia, while making Monsoon Asia and equatorial Africa wetter, says a new study in Proceedings of the National Academy of Sciences
Scientists examining evidence across the world from New Jersey to North Africa say they have linked the abrupt disappearance of half of earth’s species 200 million years ago to a precisely dated set of gigantic volcanic eruptions. The eruptions may have caused climate changes so sudden that many creatures were unable to adapt—possibly on a pace similar to that of human-influenced climate warming today. The extinction opened the way for dinosaurs to evolve and dominate the planet for the next 135 million years, before they, too, were wiped out in a later planetary cataclysm.
In the first statewide climate change outlook for New York, scientists say that the state may suffer disproportionate effects in coming decades compared with other regions, due to its geography and geology. The report paints a harsh picture, including possible extreme temperature and sea-level rises, downpours, droughts and floods. The changes are projected to affect nearly every region and facet of the economy by the 2080s, from ski resorts and dairy farms to New York City’s subways, streets and businesses.
Dec 10, 2007--Scientists from Columbia University’s Lamont-Doherty Earth Observatory will report this week on vital topics including new evidence of the effects of climate change; technologies to confront it; studies of eastern U.S. earthquake risk; and previously unseen inner workings of the deep polar ice caps. The reports will be presented at the fall 2007 American Geophysical Union (AGU), the largest earth-sciences gathering in the world, Dec. 10-14 in San Francisco.
The retreat of a massive ice sheet that once covered much of northern Europe has been described for the first time, and researchers believe it may provide a sneak preview of how present-day ice sheets in Greenland and Antarctica will act in the face of global warming.
