Articles tagged with Earth Core
Dr Christine Thomas has discovered a previously undetected seismic layer near the Earth's core-mantle boundary, allowing researchers to measure internal temperatures and study whole mantle convection. The new layer enables scientists to examine the fate of subducted lithosphere and hot material rising from the core-mantle boundary.
Researchers have built a laboratory model of the Earth's molten core using sodium metal to simulate its behavior. The Madison Dynamo Experiment is designed to fill gaps in current understanding of how magnetic fields arise and grow, shedding light on fundamental questions about the planet's magnetic field generation.
A new climate model, LDEO5, has been developed by scientists at Columbia University that accurately predicted every major change in the tropical Pacific Ocean temperature over the past 150 years. The model suggests that ENSO is largely driven by internal relationships between ocean temperature and tropical winds.
The world has sped up over the last few years, with scientists noting no need for a leap second in five years. Tom O'Brian suggests changes in the Earth's core, ocean tides, and weather may be affecting its rotation. Most scientists expect the Earth to continue slowing down again in the future.
An ancient Antarctic ice core suggests a global climate-warming event occurred 12,500 years ago, with temperatures rising about 20 degrees Fahrenheit in a 50-year period. The findings challenge previous assumptions and throw new light on climate change research.