A new study reconstructs how an ancient North American rift system was uplifted in space and time due to subsequent continent-continent collision.
Editors’ Highlights
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Clumped CO Isotopes – New Tracers for Atmospheric Chemistry
A new study reports the first measurements of 13C18O in atmospheric carbon monoxide (CO) and show their variations reflect chemical ‘aging’ consistent with predicted kinetic isotope effects.
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Timing the Global Expansion on the Moon
A new analysis of the relation between randomly oriented linear gravity anomalies and two large craters on the Moon implies that the gravity anomalies formed over a long period of time.
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Seismotectonic Update of the Philippines-Taiwan Region
Using more than two decades of data, scientists find that the Philippine and Taiwan subduction region is controlled mainly by shallow seismicity and low magnitude earthquakes.
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The Delicate Balance of Permafrost in Arctic River Floodplains
To evaluate the vulnerability of permafrost in Arctic floodplain landscapes to warming, scientists explore dynamics of its loss and reformation.
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Five Decades of Stratospheric Aerosols from Balloon Measurements
Long-term global measurements of stratospheric aerosols reveal climatological structures and processes controlling new particle formation.
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Counting from One to Nine to Detect Debris Flows
A groundbreaking method using Benford’s law allows the detection of debris flows from seismic signals.
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Cyclic Opening of Deep Fractures Regulates Plate Boundary Slip
Seismic anisotropy changes through time suggest that cyclical opening of fluid-filled fractures is synchronized with subduction zone slow slip events.
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New Insights into a Blind Spot in Aquatic Carbon Dioxide Exchange
Multi-annual measurements across Lake Superior indicate remarkable similarities between large lakes and ocean CO2 exchange during the ice-free season.