Beaked Whale Strandings in the Mariana Archipelago Associated with Sonar
Scripps Institution of Oceanography
Published: 26 February 2020
A study links beaked whale strandings in the Mariana Archipelago to naval sonar, showing a strong correlation. Passive acoustic monitoring revealed the area as key whale habitat, raising concerns over sonar’s impact on marine life.
Keywords: beaked whales, sonar, strandings, Mariana Archipelago, naval operations, passive acoustic monitoring, marine conservation
Earth's Mantle, Not Its Core, May Have Generated Planet's Early Magnetic Field
Scripps Institution of Oceanography
Published: 5 March 2020
Scripps researchers propose Earth’s early magnetic field may have come from a molten mantle “basal magma ocean,” not the core. New studies support the idea, suggesting this mantle dynamo protected early Earth and shaped planetary evolution.
Keywords: early Earth, magnetic field, basal magma ocean, mantle dynamo, geophysics, planetary evolution, cosmic radiation
New Research is the First to Relate Antarctic Sea Ice Melt to Weather Change in the Tropics
Scripps Institution of Oceanography
Published: 12 March 2020
A study shows Arctic and Antarctic ice loss could drive one-fifth of tropical warming by altering Pacific winds, suppressing deep ocean cooling, and intensifying El Niño-like warming and rainfall near the equator.
Keywords: Arctic ice, Antarctic ice, tropical warming, El Niño, Pacific Ocean, sea ice loss
