Earth Anomalies

ekim68

Mike
Joined
Jul 8, 2003
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56,323

Scientists detect unexpected widespread structures near Earth's core


University of Maryland geophysicists analyzed thousands of recordings of seismic waves, sound waves traveling through the Earth, to identify echoes from the boundary between Earth's molten core and the solid mantle layer above it. The echoes revealed more widespread, heterogenous structures—areas of unusually dense, hot rock—at the core-mantle boundary than previously known.
 

ekim68

Mike
Joined
Jul 8, 2003
Messages
56,323

Ancient sunken continent of Zealandia laid bare in new interactive maps


Newly released maps of Zealandia, a massive sunken landmass many have argued should be classified as Earth's eighth continent, are revealing the topography of this underwater land in unprecedented detail. The new trove of data comes from New Zealand research institute GNS Science, which has released two new maps alongside an interactive website designed to give people novel ways to explore the complex geoscience data.
 

ekim68

Mike
Joined
Jul 8, 2003
Messages
56,323

Why massive Saharan dust plumes are blowing into the US


It’s normal for Saharan dust to blow into the Americas — in fact, the phosphorus it carries is a reliable fertilizer of the Amazon rainforest. The dust makes the journey year after year, starting around mid-June and tapering off around mid-August. The good news is, the dust plumes can deflate newly forming hurricanes they might encounter on the way over. But the bad news is that dust is a respiratory irritant, and we could use fewer of those during the COVID-19 pandemic.
 

ekim68

Mike
Joined
Jul 8, 2003
Messages
56,323

Global emissions of heat-trapping methane hit record high


While a lot of our efforts to combat global warming center on limiting the buildup of carbon dioxide in the atmosphere, methane also has a significant role to play. New analysis has revealed that emissions of this particularly potent greenhouse gas have now hit record highs, with the surge being driven in large part by the burning of fossil fuels and increased agricultural activity.
 

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