There was a period during the last ice age when temperatures in the Northern Hemisphere went on a rollercoaster ride, plummeting and then rising again every 1,500 years or so. Those abrupt climate changes wreaked havoc on ecosystems, but their cause has been something of a mystery. New evidence published this week in the leading journal Science shows for the first time that the ocean's overturning circulation slowed during every one of those temperature plunges -- at times almost stopping.
The long-lasting effects of El Niño are projected to cause an intense fire season in the Amazon, according to the 2016 seasonal fire forecast from scientists at NASA and the University of California, Irvine.
New research reveals northern wrens are larger and more resilient to winter weather than those living in the south. The research means that populations inhabiting regions where winters are more severe show some form of adaptation. The research team say that their findings have particular relevance to our understanding of how birds and other species are able to respond to climate change.
For the first time, scientists traced carbon dioxide flows through a forest during photosynthesis and respiration, correcting long-standing assumptions about how plants exchange the greenhouse gas with the atmosphere on an ecosystem-wide level. The results could help make climate prediction models more accurate.
The July 2016 issue of the Geological Society of America's flagship journal, Geology, includes two open-access features: 'Pre-Mississippian tectonic affinity across the Canada Basin-Arctic margins of Alaska and Canada,' by David W. Houseknecht and Christopher D. Connors; and Hydrothermal alteration of seafloor peridotites does not influence oxygen fugacity recorded by spinel oxybarometry,' by Suzanne K. Birner and colleagues.
Numerical models show hot, rocky exoplanets can change their chemistry by vaporizing rock-forming elements in steam atmospheres that are then partially lost to space.
Since June 23, 2016 over two dozen people have been reported killed and hundreds of homes have been destroyed by flooding in West Virginia. Using satellite data, NASA calculated the heavy rainfall that occurred over the state.
Tropical Cyclone 02A developed in the Northern Indian Ocean's Arabian Sea as NASA's Aqua satellite passed overhead and analyzed the storm in infrared light and NASA's Terra satellite captured a visible look at the storm.
Antarctic sea ice is constantly on the move as powerful winds blow it away from the coast and out toward the open ocean. A new study shows how that ice migration may be more important for the global ocean circulation than anyone realized.
It turns out that forests in the Andean and western Amazonian regions of South America break long-understood rules about how ecosystems are put together, according to new research led by Carnegie's Greg Asner. The findings could help scientists understand how tropical forests will respond to global climate change.