geosciences

Earth Sciences - Oct 21
Earth Sciences
Current understanding is that the chemical composition of the Earth's mantle is relatively homogeneous. But experiments conducted by ETH researchers now show that this view is too simplistic. Their results solve a key problem facing the geosciences - and raise some new questions.
Earth Sciences - Oct 14

The speed and intensity with which seismic waves propagate after an earthquake depend mainly on forces occurring deep inside the rocks along a fault line, according to a study by EPFL scientist François Passelègue.

Earth Sciences - Computer Science - Sep 22
Earth Sciences - Computer Science

Fibre-optic cables are emerging as a valuable tool for geoscientists and glaciologists. They offer a relatively inexpensive way of measuring even the tiniest glacial earthquakes - plus they can also be used to obtain more accurate images of the geological subsurface in earthquake-prone megacities.

Earth Sciences - Environment - Sep 11
Earth Sciences - Environment

Phosphorus is essential for agriculture, yet this important plant nutrient is increasingly being lost from soils around the world. The primary cause is soil erosion, reports an international research team led by the University of Basel. The study Communications shows which continents and regions are most strongly affected.

Earth Sciences - Life Sciences - Oct 9
Earth Sciences - Life Sciences

Whether a lake was once polluted with excess nutrients is reflected even decades later in the community of bacteria living on these nutrients in the sediment. However, there is still surprisingly little research into how microbes in the sediment cooperate.

Earth Sciences - Physics - Sep 17
Earth Sciences - Physics

Researchers have used a computer model to test a new hypothesis about the formation of the Alps while simulating seismic activity in Switzerland. This will help improve current earthquake risk models.

Astronomy - Earth Sciences - Aug 28
Astronomy - Earth Sciences

Researchers at the University of Bern are the first in the world to succeed in determining the distance to a space debris object using a geodetic laser in daylight. The distance was determined on June 24, 2020 at the Swiss Optical Ground Station and Geodynamics Observatory Zimmerwald. The number of measurements can be multiplied thanks to the new possibility of observing space debris during the day. As a result, possible collisions with satellites can be detected at an early stage and evasive maneuvers can be initiated.


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