Science Daily
Read science articles on the ice age, glaciation and climatology. Discover the connection between ice ages and global warming.
Updated: 1 hour 8 min ago
Anthropogenic CO2 increase is unprecedented
Even in earlier warm periods there were pulse-like releases of CO2 to the atmosphere. Today's anthropogenic CO2 rise, however, is more than six times larger and almost ten times faster than previous jumps in the CO2 concentration.
Past rapid warming levels in the Arctic associated with widespread climate changes
Using Greenland ice cores, new research is the first to confirm the longstanding assumption that climate changes between the tropics and the Arctic were synchronized during the last glacial period.
Greenland ice sheet shows losses in 2019
The Greenland Ice Sheet recorded a new record loss of mass in 2019. This was the finding of a team of international researchers after evaluating data from satellite observations and modelling data.
Larger variability in sea level expected as Earth warms
Researchers have identified a global tendency for future sea levels to become more variable as oceans warm this century due to increasing greenhouse gas emissions.
Global warming is changing our plant communities
In a comprehensive study of nearly 20,000 species, research shows that plant communities are shifting to include more heat-loving species as a result of climate change.
New research reveals effect of global warming on Greenland ice melt
New analysis of almost 30 years' worth of scientific data on the melting of the Greenland Ice Sheet predicts global sea level rise of at least 10 centimeters by the end of the 21st Century if global warming trends continue.
Reconstructing global climate through Earth's history
Accurate temperature estimates of ancient oceans are vital because they are the best tool for reconstructing global climate conditions in the past. While climate models provide scenarios of what the world could look like in the future, paleoclimate studies (study of past climates) provide insight into what the world did look like in the past.
Warming Greenland ice sheet passes point of no return
Nearly 40 years of satellite data from Greenland shows that glaciers on the island have shrunk so much that even if global warming were to stop today, the ice sheet would continue shrinking.
Ancient genomes suggest woolly rhinos went extinct due to climate change, not overhunting
Although overhunting led to the demise of some prehistoric megafauna after the last ice age, a new study found that the extinction of the woolly rhinoceros may have been caused by climate change. By sequencing ancient DNA from 14 woolly rhinos, researchers found that their population remained stable and diverse until only a few thousand years before it disappeared from Siberia, when temperatures likely rose too high.
Forest growth in drier climates will be impacted by reduced snowpack
A new study suggests that future reductions in seasonal snowpack as a result of climate change may negatively influence forest growth in semi-arid climates, but less so in wetter climates.
Past evidence supports complete loss of Arctic sea-ice by 2035
A new study supports predictions that the Arctic could be free of sea ice by 2035.
New Zealand's Southern Alps glacier melt has doubled
Glaciers in the Southern Alps of New Zealand have lost more ice mass since pre-industrial times than remains today, according to a new study. The study mapped Southern Alps ice loss from the end of the Little Ice Age -- roughly 400 years ago -- to 2019. It found that relative to recent decades, the Southern Alps lost up to 77% of their total Little Ice Age glacier volume.
Blanket of rock debris offers glaciers more protection from climate change than previously known
A new study which provides a global estimate of rock cover on the Earth's glaciers has revealed that the expanse of rock debris on glaciers, a factor that has been ignored in models of glacier melt and sea level rise, could be significant.
How the seafloor of the Antarctic Ocean is changing - and the climate is following suit
Experts have reconstructed the depth of the Southern Ocean at key phases in the last 34 million years of the Antarctic's climate history.
Early Mars was covered in ice sheets, not flowing rivers, researchers say
A large number of the valley networks scarring Mars's surface were carved by water melting beneath glacial ice, not by free-flowing rivers as previously thought, according to new research. The findings effectively throw cold water on the dominant 'warm and wet ancient Mars' hypothesis, which postulates that rivers, rainfall and oceans once existed on the red planet.
Cooling of Earth caused by eruptions, not meteors
Ancient sediment found in a central Texas cave appears to solve the mystery of why the Earth cooled suddenly about 13,000 years ago.
Accelerated bone deterioration in last 70 years at famous Mesolithic peat bog in peril
Alarming results from a 2019 survey of well-known archaeological site Ageröd reveal drastic bone and organic matter deterioration since the site's initial excavations in the 1940s, suggesting action is needed to preserve findings from Ageröd and similar sites, according to a new study.
Melting Arctic sea ice during the summer of 2018
A study details the changes that occurred in the Arctic in September of 2018, a year when nearly 10 million kilometers of sea ice were lost throughout the summer. Its findings give an overview of how sea ice has receded over the 40 years of the satellite era and show how the summer's extensive decline is linked to global atmospheric processes as far south as the tropics.
Study: A plunge in incoming sunlight may have triggered 'snowball Earths'
Global ice ages may have been triggered by sharp declines in incoming sunlight, research finds.
Deep sea microbes dormant for 100 million years are hungry and ready to multiply
Researchers reveal that given the right food in the right laboratory conditions, microbes collected from subseafloor sediment as old as 100 million years can revive and multiply, even after laying dormant since large dinosaurs prowled the planet.