An ancient drainage basin covering one fifth of Greenland predates the ice sheet and strongly influences the modern Jakobshavn Glacier, according to a new analysis of ice-penetrating radar data.
Geophysical Research Letters
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A (Dust) Devil of a Time—on Mars
New computer simulations of Martian dust devils could aid Red Planet weather forecasts.
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Defining the Onset and End of the Indian Summer Monsoon
A new, objective definition of the onset of the summer monsoon could improve predictions of rainfall in India.
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How Regional Wind Patterns Will Influence Climate Change
Climate change is expected to cause wet regions to get wetter and dry regions to get drier, but new research suggests that the truth is more complicated.
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Mysterious "Necklace Echoes" in the Sky Explained
Scientists studying a 50–year–old mystery in the Earth's ionosphere have come up with their best explanation of it yet.
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Evidence of an Extinct Ocean Basin Detected Beneath Greenland
An analysis of a seismic and gravity anomaly discovered in the middle mantle sheds new light on ancient oceans, the mantle's evolution, and ancient magmatism in the Arctic.
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Streamlining Rapid Tsunami Forecasting
With enough sensors, traditional forecasting methods could be replaced by models continuously updated with real-time wave data.
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Was the Recent Slowdown in Surface Warming Predictable?
The temporary deceleration in warming across the Northern Hemisphere earlier this century could not have been foreseen by statistical forecasting methods, a new study concludes.
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Electrons Thrown Off Course in Near-Earth Magnetic Reconnection
NASA Magnetospheric Multiscale (MMS) mission detects energy differences in electrons scattered by magnetic reconnection.
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What Causes Long-Term North Atlantic Surface Temperature Cycles?
New evidence strengthens a likely link between 20- to 40-year sea surface temperature fluctuations and varying ocean circulation patterns.