AGU Advances

Widespread Increase in Atmospheric River Frequency and Impacts Over the 20th Century Atmospheric river (AR) activity has increased broadly across the midlatitudes, rather than shifting polewards, since 1940 Increases in AR frequency enhance AR-associated precipitation and snowfal...

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Future Hotspots of Hazardous Rivers in the Atmosphere - Eos Atmospheric rivers can produce heavy precipitation and associated hazards worldwide. A new study identifies regions where these hazards have already, and will further, increase with global heating.

🌟 Editor's Pick! 🌟

“Atmospheric rivers can produce heavy precipitation and associated hazards worldwide. A new study identifies regions where these hazards have already, and will further, increase with global heating.”

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Lithospheric Delamination Below the North American Midcontinent Ceased Subsidence in Cratonic Basins Full-wave seismic tomography reveals low-velocity anomalies below the Wisconsin Dome and Illinois and Michigan Basins below 50–60 km depth These scattered low velocities beneath the thinned litho...

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🔗 doi.org/10.1029/2025...

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#tectonic #tectonics

Tectonic Modifications Shape Surface Environment and Landscape - Eos Earth observation through ambient noise tomography explains links between tectonic modification, ancient geological records, and landscape evolution.

🌟 Editor's Pick! 🌟

“Earth observation through ambient noise tomography explains links between tectonic modification, ancient geological records, and landscape evolution.”

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Shifts in Atmospheric Composition Since the Preindustrial Era Modified the Transport and Deposition of Mercury Atmospheric Hg redox chemistry has evolved over time due to changes in atmospheric composition, especially due to ozone, OH, and Br trends Present-day atmospheric Hg0 oxidation is faster in the N...

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#climatechange #climate #atmospheric #atmospheres #mercury

Human Effects on Background Atmosphere have Affected Mercury Chemistry - Eos Atmospheric mercury chemistry has evolved over time due to changes in atmospheric composition, especially for changing concentrations of bromine radicals, hydroxyl radicals, and ozone.

🌟 Editor's Pick! 🌟

“Atmospheric mercury chemistry has evolved over time due to changes in atmospheric composition, especially for changing concentrations of bromine radicals, hydroxyl radicals, and ozone.”

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Reduced Vegetation Uptake During the Extreme 2023 Drought Turns the Amazon Into a Weak Carbon Source Drought turned the biogeographic Amazon in 2023 to a weak carbon source, with a magnitude similar to the drought of 2015 but less than 2016 Seasonal development of net carbon exchange in 2023 was...

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You can also read the accompanying Viewpoint here:

🔗 doi.org/10.1029/2026...

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Severe 2023 Drought: Sinking Carbon Sink in the Amazon - Eos The Amazon forest has been a reliable carbon sink, soaking up some of humanity’s carbon emissions, but a severe drought in 2023 adds to growing concern that this ecosystem service is at risk.

🌟 Editor's Pick! 🌟

“The Amazon forest has been a reliable carbon sink, soaking up some of humanity’s carbon emissions, but a severe drought in 2023 adds to growing concern that this ecosystem service is at risk.”

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Fire Spread, Intensity, and Emissions Observations by Multiple Satellites: The Southern California Wildfires of January 2025 Two major fires spread at up to 3.7 km hr−1 and burned all residential areas involved during the first 24 hr The mean intensity of fires burning residential areas is 72–297 W m−2, higher than nig...

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Satellite View of the California Wildfires of January 2025 - Eos Satellite observations of the southern California wildfires of 2025 reveal that almost all the burned areas were reached by fire within 24 hours, and wildfires in residential areas burned more intense...

🌟 Editor's Pick! 🌟

“Satellite observations of the southern California wildfires of 2025 reveal that almost all the burned areas were reached by fire within 24 hours, and wildfires in residential areas burned more intensely than nearby natural vegetation fires at night.”

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Back‐Propagating Earthquakes on Simple Faults Back propagating fronts emerge in numerical simulations of unilateral earthquakes, even on simple and frictionally homogeneous faults A theoretical model of unilateral rupture, coupled with veloc...

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#earthquakes

Boomerang Earthquakes Don't Need Complex Faults - Eos New simulations show earthquakes can reverse direction within seconds on simple, uniform faults, suggesting back-propagating subevents are more common than previously thought.

🌟 Editor's Pick! 🌟

“New simulations show earthquakes can reverse direction within seconds on simple, uniform faults, suggesting back-propagating subevents are more common than previously thought."

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Aerosol‐Cloud Interactions: Overcoming a Barrier to Projecting Near‐Term Climate Evolution and Risk Aerosol-cloud interactions (ACI) remain a barrier to provide precise and actionable advice to policy makers at global and regional levels We recommend improving satellite retrievals, expanding gr...

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#climate #climatechange

Understanding Aerosol-Cloud Interactions is Pivotal for Improving Climate Predictions - Eos Global cooperation and knowledge sharing are essential to improve our understanding of cloud formation and evolution through aerosol-cloud interaction.

🌟 Editor's Pick! 🌟

“Global cooperation and knowledge sharing are essential to improve our understanding of cloud formation and evolution through aerosol-cloud interaction.”

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Global Perspectives on Barriers and Enablers to Inclusion, Diversity, Equity, and Accessibility (IDEA) in the Field of Earth Observation Earth observation science is advancing, but individual experiences vary. Inclusion is vital to support continued innovation in the field Underrepresented Earth observation professionals face inte...

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Inclusion, Diversity, Equity, and Accessibility: Excellent IDEA!  - Eos Solutions that remove barriers to inclusion, diversity, equity, and accessibility offer a compelling vision for a more positive and effective working environment.

🌟 Editor's Pick! 🌟

“Solutions that remove barriers to inclusion, diversity, equity, and accessibility offer a compelling vision for a more positive and effective working environment.”

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How Sediment Supply, Sea‐Level, and Glacial Isostatic Oscillations Drive Alluvial River Long‐Profile Evolution and Terrace Formation Modeling alluvial valley profiles and terrace formation can improve their interpretations as paleoenvironmental archives Individual drivers and their combinations lead to distinct terrace profile...

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Models Reveal Imprint of Tectonics and Climate on Alluvial Terraces - Eos Mechanistic models are used to show how different drivers, including sediment and water supply, uplift and subsidence, and sea-level variations, affect the shapes and formation of extensive terraces.

🌟 Editor's Pick! 🌟

“Mechanistic models are used to show how different drivers, including sediment and water supply, uplift and subsidence, and sea-level variations, affect the shapes and formation of extensive terraces.”

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Tectonics as a Regulator of Shoreline Retreat and Rocky Coast Evolution Across Timescales Marine and tectonic processes jointly shape rocky coast retreat, with uplift, tides and waves as the dominant controls on modern retreat Uplift limits short-term retreat, but the effects of the s...

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Rocky Shore Erosion Shaped by Multi-Scale Tectonics - Eos Statistical analysis of western United States shore evolution provides hints of long-term tectonic and seismic cycle effects on modulating coastal erosion.

🌟 Editor's Pick! 🌟

“Statistical analysis of western United States shore evolution provides hints of long-term tectonic and seismic cycle effects on modulating coastal erosion.”

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Rapid Reviews with AGU Editors at OSM26 Thursday 26 Feb at 12:00-14:00 GMT in the Career Centre

🌊Sign up to discuss your work with an AGU journal editor at #OSM26!

📚In a 15-minute session, get tailored advice on publishing and choosing the best journal for your research. Bring your abstract, poster, or elevator pitch and join us in the Career Center.

➡️ lite.spr.ly/6001PTtc

Interpreting Changes in Global Methane Budget in a Chemistry‐Climate Model Constrained With Methane and Isotopic Observations Post-2006 renewed methane growth could be explained by the emission increases from energy and agriculture sectors Higher tropical agricultural and waste emissions with lower biomass burning emiss...

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Cows, Coal, and Chemistry: The Role of Photochemistry in Methane Budget - Eos Recent increases in atmospheric methane are a result of changing natural and manmade sources, climate, and other less-understood factors linked to its role in the atmosphere's self-cleaning mechanisms...

🌟 Editor's Pick! 🌟

“Recent increases in atmospheric methane are a result of changing natural and manmade sources, climate, and other less-understood factors linked to its role in the atmosphere’s self-cleaning mechanisms.”

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Interpreting Changes in Global Methane Budget in a Chemistry‐Climate Model Constrained With Methane and Isotopic Observations Post-2006 renewed methane growth could be explained by the emission increases from energy and agriculture sectors Higher tropical agricultural and waste emissions with lower biomass burning emiss...

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👉 doi.org/10.1029/2025...

#OpenAccess #OpenScience #GreenhouseGas #GHGs #ClimateChange

Cows, Coal, and Chemistry: The Role of Photochemistry in Methane Budget - Eos Recent increases in atmospheric methane are a result of changing natural and manmade sources, climate, and other less-understood factors linked to its role in the atmosphere's self-cleaning mechanisms...

✨Editor's Pick✨

Recent increases in atmospheric methane are a result of changing natural and manmade sources, climate, and other less-understood factors linked to its role in the atmosphere’s self-cleaning mechanisms.

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#AGUPubs #Methane #Climate

Lessons From Uganda's Earth Observation‐Based Disaster Risk Financing Program Uganda's Disaster Risk Financing (DRF) program used satellite data to trigger support for over 452,000 people, generating $40.7 M in total benefits and a return on investment of ≈2.9 ${\approx} 2....

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#FoodSecurity #Satellites #Agriculture

How Satellite Data Helped Avoid Hunger from Drought - Eos Satellites detecting anomalies of the spectral reflectance of crops in Uganda successfully foretold imminent crop failure and automatically triggered timely governmental disaster relief.

✨Editor's Pick✨

Satellites detecting anomalies of the spectral reflectance of crops in #Uganda successfully foretold imminent crop failure and automatically triggered timely governmental disaster relief.

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#AGUPubs #SDG2 #Drought #ZeroHunger #NaturalHazards #ClimateChange

Check out the #OpenAccess commentary by de Kleer et al. (2025): doi.org/10.1029/2025...

ALMA’s New View of the Solar System - Eos High-resolution radio observations link the chemistry of local moons and comets to the birth environments of distant exoplanets.

🔭Editor's Pick✨

ALMA's high-resolution radio observations link the chemistry of local moons and comets to the birth environments of distant exoplanets.

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#AGUPubs #Planets #SolarSystem #Space #Telescopes

Contrasting Depth Dependencies of Plant Root Presence and Mass Across Biomes Underscore Prolific Root‐Regolith Interactions Fine and coarse root presence or absence measurements in 75 deep soil profiles open an illuminating way to characterize root distributions Root presence depth distributions contrast with root mas...

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#CriticalZone #SoilScience #Biogeochemistry #Roots