Science Daily

Subscribe to Science Daily feed Science Daily
Read science articles on the ice age, glaciation and climatology. Discover the connection between ice ages and global warming.
Updated: 1 hour 57 min ago

Pacific Ocean's effect on Arctic warming

Tue, 08/07/2018 - 08:51
New research shows that changes in the heat flow of the northern Pacific Ocean may have a larger effect on the Arctic climate than previously thought.

Rediscovering the sources of Egyptian metals

Tue, 08/07/2018 - 08:51
Two new studies offer the first comprehensive analytical datasets of Protodynastic to Old Kingdom Egyptian copper-based artifacts (c. 3rd millennium BC), analyzing the provenance of Egyptian copper. As elaborated in a methodological comment, the studies constitute an important step forward in current knowledge on copper provenance and the subsequent economic, social and cultural insights into ancient Egypt.

Earth at risk of heading towards 'hothouse Earth' state

Mon, 08/06/2018 - 14:20
An international team of scientists is showing that even if the carbon emission reductions called for in the Paris Agreement are met, there is a risk of Earth entering what the scientists call 'hothouse Earth' conditions.

Possible connection between U.S. tornado activity, Arctic sea ice

Mon, 08/06/2018 - 09:42
The effects of global climate change taking place in the Arctic may influence weather much closer to home for millions of Americans, researchers report.

The fate of Arctic mosquitoes depends on habitat and access to blood meals

Fri, 08/03/2018 - 09:33
The future of Arctic mosquitoes (Aedes nigripes) in western Greenland depends on aquatic habitat and access to blood meals, according to a new study. The study found that female mosquitoes carrying eggs were most abundant near ponds, especially in areas frequented by animals such as caribou, birds and the Arctic hare.

Microbes go dark to stay warm in cooler climates

Thu, 08/02/2018 - 13:16
Microorganisms in colder climates darken themselves to capture more heat from the sun and improve their ability to survive, according to a new study.

Severity of drought during the Maya collapse

Thu, 08/02/2018 - 13:16
The severity of drought conditions during the demise of the Maya civilization about 1,000 years ago has been quantified, representing another piece of evidence that could be used to solve the longstanding mystery of what caused the downfall of one of the ancient world's great civilizations.

Icy Greenland's heated geologic past

Wed, 08/01/2018 - 11:50
By mapping the heat escaping from below the Greenland Ice Sheet, a scientist has sharpened our understanding of the dynamics that dominate and shape terrestrial planets.

Arctic cyclone limits the time-scale of precise sea-ice prediction in Northern Sea Route?

Wed, 08/01/2018 - 08:37
Climate change has accelerated sea-ice retreat in the Arctic Ocean, leading to new opportunities for summer commercial maritime navigation along the Northern Sea Route. International researchers have demonstrated a new system for forecasting sea-ice thickness in early summer in the East Siberian Sea. The system was accurate up to 3 days ahead, representing high potential for use in operational maritime navigation of the Northern Sea Route.

Platinum is key in ancient volcanic related climate change

Tue, 07/31/2018 - 08:20
Scientists look to platinum for clues to stay ahead of future high magnitude volcanic related climate change.

Ever-increasing CO2 levels could take us back to the tropical climate of Paleogene period

Mon, 07/30/2018 - 11:03
A new study has warned that unless we mitigate current levels of carbon dioxide emissions, Western Europe and New Zealand could revert to the hot tropical climate of the early Paleogene period -- 56-48 million years ago.

Carbon 'leak' may have warmed the planet for 11,000 years, encouraging human civilization

Mon, 07/30/2018 - 11:03
The oceans lock away atmospheric carbon dioxide, but a 'leak' in the Southern Ocean brings the greenhouse gas back into the atmosphere. An international research team looked at minute nitrogen concentrations embedded in diatoms, forams and corals to identify an increase in Southern Ocean upwelling during the past 11,000 years, which could explain the otherwise mysterious warmth of the Holocene that allowed human populations to flourish.

Deglacial changes in western Atlantic Ocean circulation

Sat, 07/28/2018 - 07:41
A new study carried out by an international team of researchers, using the chemistry of ocean sediments has highlighted a widespread picture of Atlantic circulation changes associated with rapid climate change in the past.

Glaciers in East Antarctica also 'imperiled' by climate change

Thu, 07/26/2018 - 15:10
Scientists have found evidence of significant mass loss in East Antarctica's Totten and Moscow University glaciers, which, if they fully collapsed, could add 5 meters (16.4 feet) to the global sea level.

How the Little Ice Age affected South American climate

Tue, 07/24/2018 - 16:43
For the first time, scientists reconstruct the rainfall distribution in Brazil during the climate changes that marked the Middle Ages using isotopic records from caves.

Microclimates may provide wildlife with respite from warming temperatures

Mon, 07/23/2018 - 13:28
Researchers suggest that locally variable habitats such as hummocky hillsides or shaded valleys could help a range of native species survive this modern warming episode -- in much the same way as species such as red deer and squirrel survived the Ice Age by seeking refuge in pockets of warmer conditions sheltered from the extreme cold.

Slowdown of North Atlantic circulation rocked the climate of ancient northern Europe

Mon, 07/23/2018 - 13:27
Major abrupt shifts occurred in the climate of ancient northern Europe, according to a new study. The research reports that sudden cold spells, lasting hundreds of years, took place in the middle of the warm Eemian climate period, about 120,000 years ago.

From cradle to grave: Factors that shaped evolution

Thu, 07/19/2018 - 13:20
This study brings us closer to knowing the complex interactions between topography and climate change, and how these factors influence the evolutionary histories and biodiversity of species in natural ecosystems.

Expected sea-level rise following Antarctic ice shelves' collapse

Thu, 07/19/2018 - 07:54
Scientists have shown how much sea level would rise if Larsen C and George VI, Antarctic ice shelves at risk of collapse, were to break up. While Larsen C has received much attention due to the break-away of a trillion-ton iceberg from it last summer, its collapse would contribute only a few millimeters to sea-level rise. The break-up of the smaller George VI Ice Shelf would have a much larger impact.

Atlantic circulation is not collapsing -- but as it shifts gears, warming will reaccelerate

Wed, 07/18/2018 - 12:11
Data suggest that the recent, rapid slowdown of the Atlantic Ocean circulation is not a sign of imminent collapse, but a shift back toward a more sluggish phase. The slowdown implies that global air temperatures will increase more quickly in the coming decades.