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Showing 21801 to 21850 of 22070 works
Assessment of Spatial Downscaling Used in Global Greenhouse Gas Emission Estimates
Accurate fossil fuel CO2 (FFCO2) emissions are crucial for tracking mitigation and constraining atmospheric-based emissions estimation. Global gridded emissions often downscale na…
Small tropical islands also exposed to extreme humid heat by the end of the century
Extreme humid heat is projected to increase markedly by the end of the century, particularly in the tropics. Yet, the case of small islands is ambiguous because the available stud…
Phase-Mediated Collapse: Deterministic Solar Flare Forecasting from Lyapunov Proxies and Arnold Tongue Phase-Slips in 3…
Building on the phase-mediated metastable basin structure identified in doi:10.5281/zenodo.18478416, I demonstrate a deterministic two-tiered flare predictor exploiting stiff-axis…
Controlling of the F region plasma structures by the E region conductance in the auroral ionosphere
At high latitudes, the E and F regions of the ionosphere are strongly coupled through nearly vertical magnetic field lines. Direct measurements of such coupling in ionospheric pla…
Linking Aircraft, Radar, and Surface Observations to Understand Melting Layer Microphysics in Wintertime Stratiform Clo…
This study investigates microphysical processes within the melting layer (ML) of wintertime mixed-phase stratiform precipitation by integrating coordinated aircraft in situ measur…
Two Decades of Aura MLS Observations of UTLS Water Vapor and Cloud Ice: ENSO Variability, SST Coupling, and Comparison …
We present a comprehensive evaluation of upper-tropospheric and lower-stratospheric (UTLS) water vapor (H₂O) and ice water content (IWC) using two decades (2004–2024) of observati…
Superposed Epoch Analysis of Extreme Geomagnetic Disturbances at Auroral Zone Latitudes over a Solar Cycle
Intense and rapidly changing electrical currents in near-Earth space produce geomagnetic disturbances (GMDs) with large rate of change of magnetic field (dB/dt) and in turn large …
Shallow crustal imaging with distributed acoustic sensing offshore central Chile
In subduction zones, shallow crustal faults accommodate part of the tectonic deformation and modulate the distribution of marine sediments. The interplay between active faults and…
A Physics-Based Frequency-Temperature Seismic Anelastic Attenuation Model for Planetary Ice Shells
Intrinsic attenuation in planetary ices remains poorly constrained at seismic frequencies and low temperatures, limiting quantitative predictions of wave propagation in icy moons.…
2-D S-velocity and radial anisotropy across the Vienna Basin from nodal probabilistic ambient noise tomography
During summer 2025, we deployed 139 5-Hz geophones along a profile running from the foothills of the eastern Alps to the Danube basin. Using ambient noise interferometry, we extra…
Unifying the Scaling of Urban Heat Island with Surface Heat Flux under Calm Conditions
How the urban heat island effect (UHI) responds to surface heat flux is a central question in urban climate research. Previous studies have reported two distinct scaling relations…
Proglacial lakes substantially modulate the surface mass balance of deglacial ice sheets
During the last deglaciation large proglacial lakes formed at the base of retreating ice sheets, retaining a cold surface during summer due to iceberg calving and meltwater inflow…
Deep-Embedded-Clustering of Microseismicity Identifies Multiple Failure Mechanisms at The Geysers Geothermal Field
Enhanced Geothermal Systems (EGS) regularly produce microseismic activity as fluid injection perturbs the thermo-hydromechanical state of the reservoir. Understanding the physical…
Stratocumulus Feedbacks drove the North Atlantic 2023 Super Marine Heatwaves
In 2023, the North Atlantic Ocean showed remarkably enduring and intense marine heatwaves that have been linked to low subtropical cloud-cover and reduced trade winds across the t…
A Rainfall Persistence Index for Integrating Magnitude and Frequency in Annual Rainfall
Characterizing rainfall regimes requires consideration of both precipitation intensity and the frequency of high-rainfall days. We introduce the Rainfall Persistence Index (RPI), …
Marine Cold Air Outbreaks along the Gulf Stream and Kuroshio Current in a Warmer Climate
Marine Cold Air Outbreaks (MCAOs) along Western Boundary Currents trigger strong air–sea interactions at the entrance of storm tracks and act as a moisture source for extratropica…
Extreme precipitation changes in relation to urbanization
The rising frequency of extreme precipitation is a major concern linked to climate change, commonly associated with increased atmospheric water vapor due to global warming. In den…
A mechanistic algal 13C-fractionation model for constraining pCO2 and light availability
The CO2-dependency of stable carbon isotope fractionation (εp) during marine algal carbon acquisition is widely used as a proxy for past atmospheric pCO2. However, a robust mechan…
Discrepancy in satellite altimetry products hinders robust retrieval of GIA signals from bedrock GNSS data in Greenland
Isolating glacial isostatic adjustment (GIA) signals from Global Navigation Satellite System (GNSS) observations of vertical land motion (VLM) in Greenland requires removal of ela…
An Analysis of the Anomalous Response of the Van Allen Probes EFW Instrument
Recent in situ measurements of electric fields from missions such as Polar, DEMETER, and the Van Allen Probes have reported anomalies in double-probe electric field measurements, …
Ground Coupled Resonant Behavior and Environmental Sensing Potential of Large Limestone Structures Along the Western Ni…
Large, terrain‑embedded limestone structures can exhibit stable low‑frequency resonance, strong ground coupling, and predictable mechanical responses to environmental forcing. Thi…
On the detectability of multi-centennial AMOC variations
Understanding natural variability in the strength of the Atlantic Meridional Overturning Circulation (AMOC) on centennial to multi-centennial timescales is important in the light …
Reassessing the role of the Antarctic Slope Current in poleward ocean heat transport
The Antarctic Slope Current (ASC) is often considered a barrier to the poleward transport of Circumpolar Deep Water (CDW), yet its vast extent has hindered circumpolar analysis of…
Maintaining momentum to increase FAIRness of UK marine data
The Marine Environmental Data and Information Network (MEDIN) is the hub for United Kingdom (UK) marine data. MEDIN supports the UK marine community from data collection to public…
Assessing deep learning segmentation models for mapping landslides from lidar-based elevation data
Robust landslide inventories are critical for characterizing landslide hazard and helping reduce societal vulnerability. For this study, lidar-derived digital elevation models (DE…
Eastern Pacific coastal warm bias as a key control on ENSO nonlinearity in climate models
The El Niño–Southern Oscillation (ENSO) exhibits a pronounced positive skewness, with El Niño events typically stronger than La Niña events, reflecting nonlinear air–sea coupling …
ASAP: A Web-based Analysis and Decision Support System for Alaska Permafrost
For scientists, policymakers, decision makers, local communities and other stakeholders working in Alaska’s rapidly changing permafrost regions, accessible and timely insights der…
Global Fair-weather Bias in Remotely Sensed Coastal Suspended Sediment Concentration
Suspended sediment regulates coastal ecosystem function and resilience of deltas and wetlands, yet satellite estimates of suspended-sediment concentration (SSC) are drawn largely …
The origin of the Poynting flux associated with transient luminous events
During the observation campaign of January 2023 from South Africa, 9 Transient Luminous Events (TLE) were recorded by monochrome TV camera and uniquely 6-axis electric and magneti…
Gauging the intersection between overlapping marine heatwaves, humid heat outbreaks, and extreme precipitation events i…
Compound marine heatwave (MHW) and humid heat (HH) events, sea surface temperatures and surface wet bulb globe temperatures exceeding the 90th percentiles, respectively, are commo…
Integrating GeoSWMM and GeoGLOWS for High-Resolution Flood Extent Delineation in Ungauged Watersheds of Gazipur City, B…
This research introduces a comprehensive and quantitative flood extent delineation framework tailored for Gazipur City Corporation in Bangladesh. The methodology integrates retros…
Future freshwater input for Greenland's fjords
Greenland’s fjords receive, transport, and modulate freshwater from the atmosphere, ice masses and tundra. In this study, we estimate future changes in freshwater input from five …
Hybrid Machine Learning Framework for Seismic Velocity Inversion
Seismic velocity inversion remains a critical challenge in subsurface reservoir characterization, particularly within structurally complex salt and fault-dominated environments. T…
The Influence of Atmospheric River Seasonality and Orientation on Pacific Northwest Surface Temperatures
Atmospheric rivers (ARs) influence weather and climate along the North American west coast, yet their effects on Pacific Northwest (PNW) surface temperatures remain unclear across…
A data-driven framework to estimate irrigation water withdrawal for hydrological modeling
Representing irrigation water withdrawal (IWW) in hydrological models is crucial for water management and climate change adaptation. However, the spatial and temporal variability …
Real-Time Flood Risk Prediction Using Temporal Transformer-based Deep Learning and Multisource Remote Sensing Data
The rapid and unexpected nature of flash floods leaves communities with minimal time to respond. Accurate forecasting of such events is crucial, as it allows for timely warning…
Transient ecological niches for diazotrophs in upwelling bays.
Diazotrophs, microorganisms capable of fertilizing the ocean through biological nitrogen fixation, are widespread in the oceans, including upwelling bays. However, their ability t…
Anomalous energy fluxes and feedback parameter over the course of ENSO events
Internal variability may provide constraints on the global temperature response to forcing. Previous work showed that ENSO induces atmospheric stratification anomalies that lead t…
A Mohr-Cyclide Construction for Finite Deformation and its Application to 3-d Analysis of Deformed Vein Sets
2D finite deformation analysis commonly relies on simplified assumptions such as plane strain and isovolume, which are insufficient to fully characterize 3D geological structures,…
Water Isotope Model Intercomparison Project (WisoMIP): Present-day Climate
We present the first results of the Water Isotope Model Intercomparison Project (WisoMIP), with Phase 1 focused on modern simulations (1979–2023) from a suite of isotope-enabled a…
Drivers of reduced permafrost cooling efficacy of equatorial stratospheric aerosol injection in the Eastern Arctic comp…
The Arctic is warming about four times faster than the global average, with permafrost thaw representing a potential global climate tipping element. Given the insufficient rate of…
A Theory for the Global Wind Energy Dissipation Across Climates
Atmospheric winds play a key role in shaping climate, ecosystems, and infrastructure. The energy that drives the winds is generated by the atmospheric heat engine. However, tradit…
SOUTH ATLANTIC MAGNETIC ANOMALY REVERSES THE RELATIONSHIP BETWEEN SPACE WEATHER AND VIOLENT BEHAVIOR
Space weather—fluctuations in solar wind and geomagnetic activity—affects multiple biological systems, but whether these effects extend to human behavior at population scales rema…
A Lagrangian Time-Series Machine Learning Framework for Predicting Concentrations and Exploring Drivers of Atmospheric …
Atmospheric aerosols play critical roles in climate and air quality. Accurately assessing their environmental impacts requires understanding aerosol abundance, distribution, and t…
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