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Showing 21501 to 21550 of 22070 works
Mercury’s Low-Latitude Boundary Layer: Identification of distinct proton populations using MESSENGER spacecraft data
We performed a comprehensive analysis of Mercury’s Low-Latitude Boundary Layer (LLBL) using magnetic field and ion data from the MESSENGER spacecraft. A total of 202 LLBL events w…
A Statistical Model for Post-Tropical Cyclone Hazard Assessment
Post-tropical cyclones (PTCs) induce significant hazards in the mid-latitudes, yet are often misrepresented in storm hazard models. This study introduces a new statistical model…
Two‑Layer Vertical Partitioning of Phytoplankton Biomass and Stoichiometry in the North Pacific Subtropical Gyre
Phytoplankton habitat can be separated vertically into two distinct layers in stratified waters. These two layers present distinct ecological niches and nutrient regimes that gove…
AI Agent for Hydrologic Modeling: Definition, Development and Application
This study defines a six-level framework of AI-agent autonomy for hydrologic modeling and develops a Level-4 agent that autonomously configures simulations, analyzes results, and …
Old Carbon on the Move: Landscape Drainage enhances lateral Carbon Export in an Arctic wet Tussock Tundra Ecosystem, No…
With global warming, permafrost landscapes are rapidly changing, including shifts in hydrology, vegetation, thaw, and carbon pathways; the thaw rate and depth determine whether st…
Claimed lower-crustal and upper-mantle earthquakes in Tibet and California: Where are they really?
Much attention has been given to claims of sub-Moho earthquakes in the continental mantle. How many of these earthquakes are truly below the Moho has been questioned based on unce…
Publication strategies on catastrophic and extreme events in geosciences
Rapid and high-impact journal publications are pivotal for career advancement in the current 'publish or perish' academic climate. In geosciences, such publications often follow c…
Quantifying Future Effects of Low-frequency Tropical Cyclones and Sea Level Rise Scenarios on Nonlinear Interactions in…
Total water levels during tropical cyclones (TCs) are triggered by multiple synergistic drivers that nonlinearly interact in space and time, namely, astronomical tides, storm surg…
BiLSTM-Based Low-Frequency Extrapolation: Generalizing from Synthetic Training to Field Airgun Data
Low-frequency (LF) components are critical for resolving deep structures and mitigating cycle skipping in full-waveform inversion (FWI). However, seismic surveys often lack suffic…
Elevation Trajectories of US Atlantic Coast Marshes: Insights from SET-MH Monitoring
This research assesses the vertical resilience of tidal marshes along the U.S. Atlantic Coast using records from Surface Elevation Tables (SET) and Marker Horizons (MH), collected…
Thermal modulation of nearshore groundwater flow and solute transport in a tidally influenced coastal aquifer bounded b…
Coupled groundwater flow with solute and heat transport in coastal aquifers affects water, solute and energy exchanges between freshwater and saltwater systems. Of particular inte…
Performance and evaluation of a sectional cloud microphysical model (CARMA Cloud) in the Community Earth System Model (…
Clouds are critical to Earth’s climate system, but simulations in climate models remain highly uncertain. The cloud model, MG2, in the Community Earth System Model (CESM2/CAM6) se…
Intra-seasonal variability of serial clustering of severe European winter windstorms
Clustering of severe European winter windstorms causes large economic loss and social-environmental impacts. We present a detailed analysis of the intra-seasonal variability of cl…
A model of energy transport on networks for earthquakes and aftershocks
We propose a model of energy transport in which discrete energy quanta move on complex networks to investigate the dynamics of earthquakes and their aftershocks. In the model, we …
Quasi-Static Pore-Network Modeling for Evaporation-Driven Salt Transport and Precipitation in Porous Media
Evaporation-driven salt transport and precipitation in porous media involve complex pore-scale processes, where capillary-driven water flow plays a key role in sustaining evaporat…
Elevated Spring Methane Emissions in a Sub-Arctic Peatland Fen
The Arctic boreal region is shifting rapidly in response to global climate change including rapid warming and permafrost thaw. Year-round monitoring of carbon fluxes in these regi…
Strategic Data Sampling for Spatial Generalization of Earth Observation Foundation Models
Deep learning has transformed Earth Observation research, but the scarcity and uneven distribution of labeled data remain fundamental bottlenecks. Geospatial foundation models cir…
Direct comparison of stress drop from waveform and geomechanical stress from in-situ observation at the Basel EGS site
Fluid injection for developing an Enhanced Geothermal System was conducted in Basel, Switzerland, in December 2006, and thousands of induced microearthquakes were observed. Our st…
Flushing Time in Hydrodynamically Connected Estuaries: Source-Flux Consistency and Network-Dependent Renewal
Flushing time is widely used as a bulk metric to characterize hydrodynamic renewal in estuaries and coastal systems, most commonly estimated using salinity-based freshwater-fra…
Generalized MOST Framework with Turbulence Anisotropy as a Boundary Condition for High Resolution Large-Eddy-Simulation…
Since its original conception, Monin-Obukhov similarity theory (MOST) has served as the foundational framework for parameterizing land-atmosphere momentum, energy, and scalar exch…
Reconstructing High-Cadence Ion Velocity from MMS Trigger Mode Data: Enabling Extended Analysis of Magnetosheath Wave P…
During MMS fast mode intervals FPI operates continuously in the burst mode, of which only a few percent of the burst mode is downloaded. Four ion moments (ion density, ion flux) t…
Terrestrial inputs and in-lake processes shape dissolved organic matter along a permafrost gradient
Northern permafrost landscapes store vast pools of organic carbon that mobilize into lakes as dissolved organic matter (DOM). However, little is known about how nearshore terres…
A Time-of-Arrival Technique to Estimate the Source of a Type III Solar Radio Burst
Type III solar radio bursts (SRBs) are the most common type of low-frequency emission caused by energized electrons coming from the Sun. They are frequently linked to solar flares…
Arecibo Monitoring Campaign of the Putative Exoplanet-hosting Brown Dwarf TVLM 513-46546
Short-period exoplanets may induce highly beamed electron cyclotron maser radio emission from their host stars via unipolar induction. This mechanism functions in the Jupiter-Io s…
Flood Forecasting in Data-Scarce Basins Using Event-Based Records and Multi-Paradigm Modeling with Similarity-Based Tra…
Accurate flood forecasting in ungauged or data-scarce basins remains a persistent challenge in hydrology, particularly in regions like China where many basins offer only intermitt…
Analytical/Streamline Simulations for Enhanced Geothermal Systems
Natural geothermal energy sites are rare, so future expansion of geothermal energy resources is likely to require injecting water in enhanced geothermal systems (EGS) to produce h…
Evolution of a point plume in a rotating unstratified fluid overlain by a stratified layer: scaling and implications fo…
Plumes that rise through an unstratified layer and penetrate into an adjacent stably stratified layer are ubiquitous in geophysical and planetary environments, including the subsu…
Forecasting Soil Acidification Risk From Wet Deposition Using Deep Learning
Soil acidification driven by atmospheric wet deposition of ammonium (NH₄) poses significant risks to crop yields, biodiversity, and water quality (EPA, 2025). In this study, we de…
The resolution of risk: covariance-informed spatiotemporal clustering improves the detection of hazardous weather even…
Accurate delineation of the space time footprints of extreme events requires appropriate dataset resolutions matching the spatial and temporal scale of the natural hazard. More …
Investigating the Impact of Field-Aligned Potential Drops on Auroral Energy Flux and Conductance: Insights from RCM-I a…
The effects of field-aligned potential drops (FAPDs) on magnetosphere-ionosphere (M-I) coupling are investigated under steady external driving, while allowing a time-dependent bub…
Replacement of grasslands with Polylepis forests reduces aquifer recharge in the seasonally dry Andes
The high-Andes biome, which includes grasslands, bofedales, and native forest, provides vital ecosystem services, such as water regulation, to millions of people living downstream…
AGU 2025 Fall Meeting Poster: Location Encoder Foundation Models for Dynamic PM2.5 Estimation (Please cite the linked …
Deep learning models have demonstrated success in geospatial applications, yet quantifying the role of geolocation information in enhancing model performance and geographic genera…
Stratosphere-Troposphere Coupling During Extreme Weather Change in Alaska in January-February 1989
We analyze extreme cold and warm weather events in Alaska during January–February 1989, first described in 1990. Unlike previous studies focused on tropospheric processes, we comp…
First EarthCARE CPR Observations of Dynamics-Microphysics Coupling in Marine Cold-Air Outbreak Clouds
Marine cold-air outbreaks (MCAOs) strongly influence the radiative balance of high-latitude oceans. MCAO clouds begin as shallow cloud streets near the ice edge and evolve into br…
Coupled Carbonate Equilibrium and Metabolic Fractionation Drive δ¹³C-DIC Variability in Freshwater Ecosystems
Freshwater carbon cycling in oligotrophic lakes is shaped by interacting metabolic and geochemical processes, yet the way these controls vary from diel to seasonal timescales re…
X-Ichos: Designing and Simulating a Low-Boom Supersonic Commercial Airliner Using CFD and Mathematical Modeling
Quiet supersonic commercial travel has long been an elusive goal. While the Concorde aimed to be commercially viable and the X-59 demonstrated low-boom supersonic flight, neither …
30 Years of Breeding for Fusarium Head Blight Resistance in Wheat: A Success Story
Fusarium head blight (FHB or scab) is a devastating disease affecting wheat worldwide. In the Northern Great Plains U.S growing region, public breeding programs began focusing on …
Evidence of changing storm intensity, duration and frequency derived from a novel CONUS-wide database of severe storms …
Accurate identification of flood-relevant storm trends is vital for catastrophe modeling and disaster resilience yet remains challenging due to spatial and temporal inconsistenc…
Aerosol Vertical Distribution Influences the Cloud-Top Entrainment of Marine Stratocumulus Clouds over the Southeast At…
This study utilizes aircraft observational data from the ORACLES (ObseRvations of Aerosols above CLouds and their intEractionS) campaign to investigate how aerosol vertical struct…
Detailed description of coastal eddy alongshore propagation with SWOT high-resolution altimetry
Coastal mesoscale eddies, which are essential for the redistribution of heat, nutrients, and momentum, often propagate along the coastline. Monitoring the propagation of these coa…
Field Tracer Observation of Fragmented Sediment Retention in a Dynamically Unstable Coastal Environment under Anthropog…
Coastal sediment retention mechanisms are increasingly relevant under rising storm intensity and sea-level variability in extreme weather events, such as typhoons, tornados, tsuna…
Representing Uncertainty in Extreme Precipitation Using a WRF Ensemble
As extreme precipitation and urban flooding become more common, reliable precipitation forecasts are necessary. Ensemble forecasts of extreme precipitation provide valuable probab…
Denoising of InSAR time series through spatiotemporal attentive convolutional U-Net
Over the past three decades, synthetic aperture radar (SAR) and SAR interferometry (InSAR) have revolutionized Earth observation, allowing for geophysical monitoring of Earth’s su…
Cloud-resolving Simulations of Low Marine Clouds and Their Response to Aerosol Perturbations
Marine low clouds exert a strong control on Earth's radiative balance, yet their response to aerosol perturbations remains a major source of uncertainty in climate projections and…
Statistical study of Field-Aligned Currents in the Ionosphere associated with Bursty Bulk Flows Events
Bursty bulk flows (BBFs) are fast plasma flows in the central plasma sheet. These BBFs couple to the high-latitude ionosphere through field-aligned currents (FACs). A statistical …
Representing the Large-Scale Atmospheric Response to Mesoscale SST Variability in Climate Models
Climate models are commonly run at resolutions that do not represent mesoscale ocean dynamics and therefore lack the oceanic eddies and fronts that strongly influence atmosphere–o…
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