The Sahara and Arabian deserts did not cool as much as the rest of the Northern Hemisphere during the Little Ice Age, but in fact were drier 200 years ago than they are today, according to a new study.
Earth Sciences
Sep 19, 2018
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54
The Arctic has long been portrayed as a distant end-of-the-Earth place, disconnected from everyday common experience. But as the planet rapidly warms, what happens in this icy region, where temperatures are rising twice as ...
Environment
Dec 15, 2021
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7
Thin, brownish layers of a thickness of about a millimeter or two are sometimes observed in the whitish/transparent ice cores. These brown layers consist of material originating from volcanic eruptions.
Earth Sciences
Aug 8, 2019
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10
Antarctic sea ice is an important component of the climate system, and may act as an early indicator of climate change. Under global warming, significant changes in Antarctic sea ice have been observed. Specifically, it experienced ...
Earth Sciences
Mar 31, 2023
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58
While the surface of the moon has been mapped in incredible detail over the last several decades, one region has eluded orbital cameras due to the lack of sunlight, which are aptly called the permanently shadowed regions ...
Planetary Sciences
Sep 26, 2023
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1
Europa, a moon of Jupiter, and Enceladus, a moon of Saturn, have evidence of oceans beneath their ice crusts. A NASA experiment suggests that if these oceans support life, signatures of that life in the form of organic molecules ...
Astrobiology
Jul 18, 2024
0
22
This September, Arctic sea ice extent was the third-lowest in the satellite record, falling below the extent reached last summer. The lowest- and second-lowest extents occurred in 2007 and 2008. Satellite data indicate that ...
Environment
Oct 5, 2010
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0
The latest report from the Intergovernmental Panel on Climate Change (IPCC) states that without a substantial decrease in our use of fossil fuels, we are on track for a global average increase of 2°C in the next few decades, ...
Environment
Feb 25, 2020
0
15
(PhysOrg.com) -- Rising temperatures on the Greenland ice sheet cause the creation of large surface lakes called supra-glacial lakes. Now a Penn State geographer will investigate why these lakes form and their implications.
Earth Sciences
Feb 11, 2010
1
0
Ice formation and accumulation are challenging concerns for several industrial applications including heating ventilation air conditioning and refrigeration (HVAC&R) systems, aircraft, energy transmission, and transportation ...
Materials Science
Jul 29, 2020
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