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Showing 16851 to 16900 of 22070 works

Future changes in mean and extreme precipitation over North-East Africa and Arabia: Part 1 - historical simulations

This study proposes a methodology for selecting global climate models (GCMs) from the Coupled Model Intercomparison Project phase 6 (CMIP6) on the basis of their ability to simula…

How well do AMIP6 and CMIP6 reproduce the specific Extreme El Niño teleconnections to North America ?

Extreme El Niño events (e.g. 1982-83, 1997-98) are characterized by strong, eastward-shifted warm Sea Surface Temperature anomalies, and a southward migration of the eastern Pac…

New insights into marine-based paleo-ice sheet dynamics and glaciomarine depositional environment in an interfan area b…

Highlights • We refined the seismic stratigraphic framework for the upper continental slope interfan region between the Kongsfjorden and Isfjorden Trough Mouth Fans.

Ongoing post-subduction deformation in a complex mantle transition zone beneath Borneo.

Subduction termination remains poorly understood. Sabah, Malaysia (in northern Borneo) is a prime study location due to its subduction-rich history. We investigate the impact of s…

Ocean surface wave slopes and wind-wave alignment observed in Hurricane Idalia

Drifting buoy observations in Hurricane Idalia (2023) are used to investigate the dependence of ocean surface wave mean square slope on wind, wave, and storm characteristics. Mean…

New Impacts on Mars: Unraveling Seismic Propagation Paths through a Cerberus Fossae Impact Detection

To date, eight meteoroid impacts have been identified in the seismic record of NASA's InSight mission on Mars, occurring either closer than 300~km or further than 3500~km. We repo…

Phase and amplitude relationships between ozone, temperature and circulation in the Quasi-biennial Oscillation

The phase and amplitude relationships between dynamical quantities and ozone within the Quasi-biennial Oscillation (QBO) are explored. An initial assessment of this is done by app…

Times Matter, the Impact of Convective Dust Events on Air Quality in the Great Phoenix Area, Arizona, there are more pa…

Convective dust events are common in the greater Phoenix area over the summer. These short-duration dust events degrade the air quality and pose a potential health threat to milli…

Interseismic Strain Rate Evolution From InSAR Prior to the 2021 Mw 7.4 Maduo Earthquake

Interseismic deformation and strain rates derived from Global Navigation Satellite Systems (GNSS) or Interferometric Synthetic Aperture Radar (InSAR) data are often used to assess…

Quantifying Tropopause-Overshooting Volume from Satellite and Radar Observations during DCOTSS 2021 and 2022 Campaigns

This study quantifies the air volume injected into the stratosphere by overshooting convection detected by GOES-16/17 geostationary infrared imagery and NOAA NEXRAD precipitation …

Assessing Cloud Fraction in the Canadian Regional Climate Model Over North America Using Satellite Data and a Satellite…

Clouds are crucial to Earth’s climate system, influencing radiation and contributing to climate projection uncertainties. Here, the simulated cloud fraction by the sixth version o…

Interactions between diurnal warm layers and surface-layer fronts

Previous studies have highlighted the individual importance of diurnal warm layers (DWLs) and surface-layer fronts within the surface boundary layer (SBL) in regulating energy, mo…

Wind stress effects on drone-based thermal infrared surface velocimetry measurements of tidal flow in an estuary

We evaluate the effect of surface wind stress on drone-based thermal surface water velocity measurements of tidal flow in an estuary relative to in-channel flow velocity measureme…

Application of data assimilation methods to reconstruct the 3-5 December 2015 Etna eruption.

The assessment of volcanic hazards is crucial to develop effective emergency plans, especially for volcanoes close to urban centers or under air traffic routes. Impact assessment …

Are You Catching Cosmic Rays or Just Checking Messages? Towards an Extremely Distributed Mobile Phone Cosmic Ray Observ…

https://github.com/carlynlee/credo-api-tools/tree/playground/ This project aims to design an architecture for applying Federated Learning (FL) to the analysis of cosmic ray event …

Flood Frequency Sampling Error: Insights from Regional Analysis, Stochastic Storm Transposition, and Physics-based Mode…

Flood Frequency Analysis (FFA) typically relies on fitting a probability distribution to Annual Maximum Peak flows (AMPs) to estimate the frequency of various flood magnitudes. It…

Sources, pathways and drivers of Sub-Antarctic Mode Water formation

Sub-Antarctic Mode Waters (SAMWs) form to the north of the Antarctic Circumpolar Current (ACC) in the Indo-Pacific Ocean, whence they ventilate the ocean’s lower pycnocline and pl…

Advancing Photochemistry Simulation in WRF-Chem V4.0: Artificial Intelligence PhotoChemistry (AIPC) Scheme with Multi-H…

Atmospheric photochemistry is essential for simulating atmospheric composition, impacting air quality and climate change. However, conventional numerical schemes of photochemistry…

Compositional and morphological variations of effusive lava flows and explosive pyroclastic deposits at the caldera for…

We estimated the mineralogy of the effusive and explosive units at the Gardner shield volcano using Chandrayaan-1 Moon Mineralogy Mapper (M3) data and Lunar Reconnaissance Orbiter…

Role of subsurface eddies in nitrate and organic carbon transport in the Peru-Chile eastern boundary upwelling system

The Southeast Pacific coast is renowned as the world’s most productive regions, primarily due to upwelling of nutrient-rich subsurface water. While numerous studies have emphasize…

Getting Fit: Principled Model Selection and Validation in Space Weather

Development of novel techniques in data-driven methods has motivated the application of these methods to space weather. For operational space weather in particular, it is vital to…

Updraft Width Modulates Ambient Atmospheric Controls on Deep Convection Depth

 Wide convective cell depth responds most to available instability, while narrow cell depth responds most to mid-level relative humidity.  Entrainment-driven reduction of buoyan…

Improved Global Understanding of Ozone Damage to Crops and Trees

Tropospheric O3 damage to plants significantly affects global vegetation productivity, yet accurately predicting this damage remains challenging. This study develops a parameteriz…

WoFSCast: A machine learning model for predicting thunderstorms at watch-to-warning scales

Developing AI models that match or exceed the forecast skill of numerical weather prediction (NWP) systems but run much more quickly is a burgeoning area of research. Most AI-NWP …

Sill stacking in subseafloor unconsolidated sediments and control on sustained hydrothermal systems: evidence from IODP…

Magma emplacement in the top unconsolidated sediments of rift basins is poorly constrained in terms of mechanics and associated hydrothermal activity. Our study compares two shall…

Probabilistic, Multi-sensor Eruption Forecasting

We developed an eruption forecasting model using data from multiple sensors or data streams with the Bayesian Network method. The model generates probabilistic forecasts that are …

Modeling random isotropic vector fields on the sphere: Theory and application to the noise in GNSS station position tim…

While the theory of random isotropic scalar fields on the sphere is well established, it has not been fully extended to the case of vector fields yet. In this contribution, severa…

Downscaling Satellite Gravimetry Observation for Terrestrial Hydrology Using a Conditional Generative Adversarial Netwo…

Understanding the spatiotemporal characteristics of terrestrial water storage (TWS) variation is crucial for evaluating climate change and promoting sustainable water resource man…

Using mm-wave Doppler-polarimetric profiler observations to evaluate radar-based hydrometeor classification schemes

The implementation of dual-polarization weather radars has improved the accuracy of precipitation estimates. However, identifying hydrometeor types and evaluating related algorith…

Categorization of electron isotropy boundary patterns: ELFIN and POES observations

Magnetic field-line curvature scattering (FLCS) of energetic particles in the equatorial magnetotail results in isotropization of pitch-angle distributions, loss-cone filling, and…

Monthly Climatology of the Southern Ocean under Sea Ice

The advent of under-ice profiling float and biologging techniques has enabled year-round observation of the Southern Ocean and its Antarctic margin. These under-ice data are often…

ITRF2020 seasonal geocenter motion model

Precise knowledge of geocenter motion, i.e., the relative motion between the Earth's center of mass (CM) and the center of figure of the Earth's surface (CF), is crucial to high-s…

Potential and costs required for methane removal to compete with BECCS as a mitigation option

Methane is the second most important anthropogenic greenhouse gas causing warming after carbon dioxide, and the emission reductions potentials are known to be limited due to the d…

Direct Observation of Quasi-monochromatic Gravity Wave Packets Associated with the Polar Night Jet using a Doppler-Rayl…

An advanced hodograph technique was applied to extract quasi-monochromatic, linear gravity wave (GW) packets from simultaneous wind and temperature measurements by a ground-based …

Climate change and ENSO significantly enhances seasonal flood occurrence in the Ganges-Brahmaputra-Meghna Basin

Seasonal hydrological dynamics have profound socio-economic implications for communities in the Ganges-Brahmaputra-Meghna (GBM) River basin. Climate change and El Niño-Southern Os…

Identifying a pattern of predictable decadal North Pacific SST variability in historical observations

Improving predictions of decadal climate variability is critical for reducing uncertainty in near-term climate change. Here we investigate the potential to improve prediction skil…

A Proof of Concept for Improving Estimates of Ungauged Basin Streamflow Via an LSTM-Based Synthetic Network Simulation …

This study introduces a machine learning approach to address the critical challenge of limited real-time flow data in river basins, particularly for calibrating large-scale hydrol…

Understanding Biases in E3SMv2 Simulated Cloud Droplet Number and Aerosol Concentrations over the Southern Ocean

The accurate representation of cloud droplet number concentration (Nd) is crucial for predicting future climate. However, models often underestimate Nd over the Southern Ocean (SO…

Global compression of the plasma sheet and magnetotail during intense storms from THEMIS observations

We estimate the global impact of storms on the global structure and dynamics of the nightside plasma sheet (PS) from observations by the NASA mission THEMIS. We focus on an intens…

Future changes in mean and extreme precipitation over North-East Africa and Arabia: Part 2 - projections

This study provides a first analysis of future changes in mean and extreme precipitation over Northeast Africa and the Arabian Peninsula. To this aim, we exploited projections fro…

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