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Showing 21001 to 21050 of 22070 works
Magnetic Reconnection as a Potential Trigger for Magnetotail Flapping at Mars: Insights from MAVEN and Tianwen-1 Observ…
Magnetotail current sheet (CS) flapping is a universal plasma phenomenon observed at multiple planets, yet its triggering mechanisms remain poorly understood outside of Earth. At …
Buoyancy Flux and Its Environmental Modulation in the Vertical Development of Shallow Cumulus in the Central Amazon
This study investigates the vertical development of shallow cumulus (ShCu) clouds in the Central Amazon (CAMZ) by combining large-eddy simulations (LES) with observational data fr…
Diagnosing Submesoscale Divergence from Sea Surface Height
The Surface Water and Ocean Topography (SWOT) satellite mission now delivers global sea surface height (SSH) observations at scales fine enough to resolve submesoscale eddies (< 5…
From Local Earthquake Nowcasting to Natural Time Forecasting: A Simple Do-It-Yourself (DIY) Method
Previous papers have outlined nowcasting methods to track the current state of earthquake hazard using only observed seismic catalogs. The basis for one of these methods, the ”cou…
Hierarchical Deep Learning Architectures for Multiclass Violation Detection in Urban Surveillance Systems Authors
Urban surveillance systems face the challenge of recognizing a wide spectrum of violations in real time under diverse environmental conditions. This study proposes a hierarchical …
Developing Scenario-Based Strategies for Health, Climate, and Environmental Preparedness: The One Health, One Earth App…
Climate change amplifies many threats to human health. Despite advances in understanding climate change dynamics and impacts, there remains a critical gap in translating scientifi…
Joint seismological analysis of earthquake swarm and tremor episodes during the 2025 Santorini volcanic crisis
An intense seismic swarm started on 27 January 2025 in the Santorini-Amorgos region and lasted for approximately 45 days. A widely observed seismic tremor on 14 February 2025 sugg…
GIC-Related Observations During the May 2024 Geomagnetic Storm in the United States
The May 2024 geomagnetic storm was one of the most severe in the past 20 years. Understanding how large geomagnetic disturbances (GMDs) impact geomagnetically induced currents (GI…
A representative underlying scale for spectrally-resolved energy dissipation in surface breaking waves
In the Duncan-Phillips energy-dissipation framework of breaking waves, the underlying scale at which dissipation occurs is commonly inferred from a measure of the breaking-wave ph…
May 10, 2024 Gannon Storm: Connecting Energy Flux with Field Aligned Currents and Cross Polar Cap Potential
A simulation of the May 10, 2024 geomagnetic storm is used to investigate the theory of cross polar cap potential (CPCP) saturation in Earth’s magnetosphere-ionosphere system. THE…
Atmospheric water vapor and precipitation coupling in Southwestern South America
Studies linking atmospheric water vapor and precipitation have often focused on short records, tropical regions, and the Northern Hemisphere. Long-term variability of water vapor …
Extending the wave telescope technique to larger numbers of spacecraft obtaining robust spatial power spectra
The wave telescope is an analysis technique for multi-point spacecraft data that estimates power spectra in reciprocal position space (k-space). It has been used to reveal the spa…
Effect of Soil Amendments on Growth and Yield of Wheat (Triticum aestivum L.) in Semiarid North-Central Namibia
Poor sandy soils in North-central Namibia have been identified as the major constraint limiting agricultural productivity especially in small–scale farming communities. The soils …
A magnetotelluric study of mantle heterogeneities beneath the Northeastern United States
Analysis of magnetotelluric (MT) data across the northern Appalachian region reveals significant mantle heterogeneity. By inverting a subset of long-period EarthScope USArray …
Short-term forecasting of 3D wind field based on deep learning and water vapor
Short-term wind field forecasting is critical for various applications, including renewable energy and aviation safety, but traditional numerical models often face challenges in c…
Reducing Model Biases with Machine Learning Corrections Derived from Ocean Data Assimilation Increments
Large ocean Data Assimilation (DA) increments in the mixed layer reflect systematic biases in vertical mixing. These increments can be leveraged to derive bias corrections. We dev…
European Lithospheric Structure Revealed by Joint Group and Phase Velocity Inversion
We investigate the crust and uppermost mantle structure beneath Europe using fundamental-mode Rayleigh waves recorded by 831 broadband seismic stations. Group velocities were meas…
VOCs impact soil carbon transformations and sequestration
Soil constitutes the largest terrestrial reservoir of organic carbon, yet small, reactive volatile organic compounds (VOCs) from plants and microbes are often overlooked in carbon…
CaMa-Flood-GPU: A GPU-based hydrodynamic model implementation for scalable global simulations
Floods are among the costliest natural hazards, demanding scalable models to simulate river and floodplain dynamics at a global scale. The Catchment-based Macro-scale Floodplain (…
Testing the accuracy of paleointensity estimates using experimental pottery assemblages
Paleointensity estimates from archaeological pottery represent a key source of information on Holocene variations in geomagnetic field intensity. Yet, pottery rarely exhibits idea…
Risk Potential for Increasing Rates of Introduced Species across the Arctic
As sea ice melts, there is expected to be increased vessel traffic across the Arctic. In addition, higher numbers of tourists are expected to visit the Arctic. With more vessel tr…
Assessing the Increase in the Earth's Energy Imbalance
We use a simple model based on the well-known result that the temperature anomaly is approximately logarithmic in the concentration of carbon dioxide in the atmosphere. The mo…
Hydro-atmospheric variability and dust dynamics in southern South America during the last ~62 ka
Loess-paleosol sequences represent key continental archives for reconstructing past atmospheric circulation and evaluating paleoclimate models. In southern South America (SSA), th…
Modeling Methane Leakage in Shallow Aquifers: The Role of Contact Angle Variability and Capillary Heterogeneity
Methane transport in shallow aquifers is governed by complex, multiscale processes, with influences ranging from molecular-scale wettability to field-scale flow dynamics. Reliab…
Impacts of aerosols on the environment triggering a tornado event in Yangtze River Delta, China
Extensive observational and modeling studies have demonstrated the influence of aerosols on convective storms and extreme precipitation, but their impacts on the environment trigg…
Ambient Noise Tomography beneath the Banda Basin reveals new insights into the Arc-Continent Collision Zone
The Banda Arc serves as a natural laboratory for continent-arc collision studies. We present a new 3D shear-wave velocity model from ambient noise tomography that captures the Ban…
Combined retrieval of cloud parameters for TEMPO measurements over Canada using oxygen dimer and B-band absorption
Tropospheric Emissions: Monitoring of Pollution (TEMPO) provides valuable hourly measurements of airborne pollutants over North America. Data quality over snowy surfaces may degra…
Diagnosing Kinetic Energy Scaling using Lagrangian and Eulerian Metrics in Different Dynamical Regimes of the North Atl…
Understanding the multiscale dynamics of ocean surface turbulence requires diagnostics that can reliably characterize variability at scales both larger and smaller than the Rossby…
Classifications of substorms with MLT patterns of SMU-SML indices based on convection properties
During substorms, magnetospheric convection and magnetotail current sheet disturbances are two critical processes, both driving ionosphere electrojets. Dusk-side SMU and dawn-side…
Evolution of ionospheric ion upflow flux during the April 2023 geomagnetic storm
We study the impact of the evolving magnetosphere-ionosphere-thermosphere system on upward ion fluxes during the April 23-24, 2023 geomagnetic storm. This storm has a “double-dip”…
MODELING THE EFFECT OF ANTHROPOGENIC STRESSORS ON AQUATIC VEGETATION AND INTRICATE BIOGEOCHEMICAL INTERACTIONS IN A SHE…
The increasing severity of estuarine nitrogen pollution worldwide, primarily from land-based activities, remains a significant contributor to eutrophication. The incidence of pote…
Validation of net ecosystem exchange, latent heat and sensible heat from CCAM-CABLE simulations using ground-based eddy…
Earth System Models (ESMs) are global climate models with the capability to explicitly represent biogeochemical processes. While ESMs play an important role in our understanding o…
Strain Rates along the Alpine-Himalayan Belt from a Comprehensive GNSS Velocity Field
The Alpine-Himalayan belt is one of Earth's most dynamic and complex regions, characterized by intense tectonic deformation and seismicity. Comprehensive analyses of continental-s…
Spatiotemporal Variations in the Interplate Slip Rate around Kodiak Island, Alaska
Monitoring spatiotemporal variations in the interplate slip rate during the interseismic period, such as transient strain release by slow slip events (SSEs), is crucial for charac…
Diversity and transition of rupture styles governed by rate and state friction
The complexity of earthquake rupture dynamics and the diversity of observed seismic behaviors are fundamentally governed by the frictional properties of faults and their response …
Geometric Quantization of Spacetime Curvature: A Mathematical Framework for Quantum Corrections to General Relativity
We develop a rigorous mathematical framework for incorporating quantum corrections into Einstein's General Relativity through the geometric quantization of spacetime curvature. By…
Borrowing strength: a hierarchical glacier reanalysis through a robust particle filter
World-wide glacier mass loss affects global sea-level, river runoff, freshwater influx to the oceans, glacier-related hazards, and landscape changes, with implications for human l…
Evaluating Northern Hemispheric Polar Vortex Variability Using Reanalysis and Satellite Observation: A Case Study Appro…
Previous studies have investigated the performance of reanalyses during Northern Hemisphere winters using several approaches over the period 1980-present. This study evaluates the…
High-Resolution Surface Current Mapping from UAS Video: A Continuous Flight Mission Approach
Coastal surface currents influence processes like pollutant transport, sediment resuspension, and navigation safety, presenting the need for high-resolution monitoring tools for i…
In situ Observations of Ice Crystal Chain Aggregates in Winter Storms
Ice crystal chain aggregates—linear structures of conjoined monomer crystals—have previously been observed in strongly electrified deep convection, likely forming via electric-fie…
Precipitation from atmospheric rivers over the Southern Ocean as observed at Macquarie Island
Atmospheric rivers (ARs) are an important mechanism for poleward moisture transport, yet their precipitation characteristics and dynamics over the remote Southern Ocean (SO) remai…
AI and AOIs: Predicting Fire Risk with Remote Sensing and Field Data
The unpredictable nature of the start and spread of fires prove them to be a prominent threat to cities across the United States. It is especially challenging to predict fires due…
Interannual variability of mean winds and the semidiurnal tide in the Antarctic summer mesosphere-lower thermosphere
Long-term observations at southern polar latitudes in the summertime mesosphere–lower thermosphere (MLT) reveal persistent nonmigrating semidiurnal tides, with the zonal wavenumbe…
Underestimation of Planetary Contraction due to Obscuration by Surface Roughness: The Case of Mercury
Estimating Mercury’s radial contraction is key to understanding the planet’s geodynamic evolution. Contraction has been inferred from mapped shortening structures, whose heterogen…
Depression Characteristics of the Lava-Dammed Shireet Naiman Lake System (SNL) and Implications for the Khangay Mantle …
Lava-dammed lakes provide important geomorphic evidence linking volcanic activity with surface hydrological reorganization in continental interiors. The Shireet Naiman Lake system…
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