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Showing 201 to 250 of 8313 works

Pyrocumulonimbus Events over British Columbia in 2017: An ensemble model study of parameter sensitivities and climate i…

Pyrocumulonimbus (pyroCb) are fire-triggered or fire-augmented thunderstorms and can by transporting a large amount of smoke particles into the lower stratosphere. With satellite …

The inter-hemispheric asymmetry during June-December storms and the anomalous peak formation: Role of possible anti-sea…

The inter-hemispheric difference in the impact of the geomagnetic storms of June 2015 and December 2015 is investigated with respect to quiet time seasonal asymmetry. A meridional…

Sumatra earthquakes positions and prediction

All earthquakes over 5 th magnitude since 1962 were recorded on Sumatra and surroundings , marking their depths and distinguished whether they were triggered by maximum westward o…

Whole Heliosphere and Planetary Interactions (WHPI): The Big Picture on Solar Cycle Minima

The Whole Heliosphere and Planetary Interactions (WHPI) is an international initiative to study the most recent solar minimum and its impact on the interconnected solar-heliospher…

Explosive magnetic hypothesis of the spiral structure of the Galaxy in the history of the Earth.

The possibility of the formation of a triplet six-armed spiral structure of the Galaxy as a result of the impact on the stellar population of the Milky Way disk of concentrated io…

Improving Bayesian Model Averaging for Ensemble Flood Modeling Using Multiple Markov Chains Monte Carlo Sampling

As all kinds of physics-based and data-driven models are emerging in hydrologic and hydraulic engineering, Bayesian model averaging (BMA) is one of the popular multi-model methods…

The Promise of Diversity: Distribution-based Hydrologic Model Evaluation and Diagnostics

\(\)\(\)This paper advocates the use of simulation distributions for hydrologic model evaluation and model diagnostics. Distribution evaluation is supported by information-theoret…

Towards a fully physical representation of snow on Arctic sea ice using a 3D snow-atmosphere model

Snow plays a crucial role in the heat transfer between the ocean and atmosphere in sea ice due to its insulating properties. However, wind-induced transport causes the snow distri…

The Localization by Topography of the Three-Dimensional Overturning Circulation of the Southern Ocean and Its Implicati…

The Southern Ocean plays a major role in the global air-sea carbon fluxes, with some estimates suggesting it contributes to up to 40\% of the oceanic anthropogenic carbon dioxide …

River Metabolism Estimation Tools (RiverMET) with Demo in the Illinois River Basin

Ecosystem metabolism quantifies the rate of production, maintenance, and decay of organic matter in terrestrial and aquatic systems. It is a fundamental measure of energy flow ass…

Elucidating the mechanisms of rapid O3  increase in North China Plain during COVID-19 lockdown period            

Ozone (O 3 ) levels in North China Plain (NCP) suffered from rapid increases during the COVID-19 period. Many previous studies have confirmed more rapid NO x reduction compared …

Quantifying geomorphically effective floods using satellite observations of river mobility

Geomorphologists have long debated the relative importance of disturbance magnitude, duration and frequency in shaping landscapes. For river-channel adjustment during floods, some…

Development of Novel Data Analysis Techniques for Multi-Point Mapping of Thunderstorm Electrical Structures

Current thunderstorm electric field data analysis methods provide only an incomplete understanding of thunderstorm structure and evolution, since these methods typically rely on d…

FORTE Measurements of Global Lightning Altitudes

While multiple lightning detection systems provide geographical locations of lightning events across the globe, robust lightning altitude measurements on a global scale have prove…

Multiple Ionospheric Descending Layers Over Arecibo

Observations using Arecibo Observatory’s highly sensitive Incoherent Scattering Radar (AO-ISR) show ionospheric descending layers from as high as $\sim$400 km, much higher than ea…

Interactions between multiple physical particle injection pumps in the Southern Ocean

The biological pump, which removes carbon from the surface ocean and regulates atmospheric carbon dioxide, comprises multiple processes that include but extend beyond gravitationa…

Investigating the Space Weather Impact of the 2003 Halloween Geomagnetic Storm by the Ground Magnetic Field Variations:…

Space weather is the phenomenon of solar storms and other events in space that can have impacts on Earth. They are a major concern for power grids which can be severely damaged by…

Machine learning-based detection of weather fronts and associated extreme precipitation

Extreme precipitation events, including those associated with weather fronts, have wide-ranging impacts across the world. Machine learning-based detection algorithms can help with…

Assessment of Relative Risk of Seawater Intrusion Mechanisms in the Coastal Plains of the Limpopo River Basin, Mozambiq…

Seawater inundation was reported in the Limpopo River near the mouth at Xai-Xai, Mozambique. Local authorities identified a decrease in river flow as the cause of seawater inundat…

The Energy Decay of Warm-core Eddies in the Gulf of Mexico

The Gulf of Mexico (GoM) is home to some of the most energetic eddies in the ocean. They detach from the Loop-Current and drift through the basin, transporting large amounts of he…

Quantification of delta and fluvial fan channel networks reveals distinct formative processes

Deltas and fluvial fans are two fan-shaped landforms with complex channel networks. Deltas always occur where rivers enter a standing body of water, such as lakes or oceans. Fluvi…

Machine learning-based emulator for the physics-based simulation of auroral current system

Using a machine learning technique called echo state network (ESN), we have developed an emulator to model the physics-based global magnetohydrodynamic (MHD) simulation results of…

Revisiting Machine Learning Approaches for Short- and Longwave Radiation Inference in Weather and Climate Models, Part …

As climate modellers prepare their code for kilometre-scale global simulations, the computationally demanding radiative transfer parameterization is a prime candidate for machine …

Biases in estimating long-term recurrence intervals of extreme events due to regionalised sampling

Preparing for environmental risks requires estimating the frequencies of extreme events, often from data records that are too short to confirm them directly. This requires fitting…

A hydrogeomorphological index of heavy-tailed flood behavior

Floods are often disastrous due to underestimation of the magnitude of rare events. When the occurrence of floods follows a heavy-tailed distribution the chance of extreme events …

Tracer stirring and variability in the Antarctic Circumpolar Current near the Southwest Indian Ridge

Oceanic macroturbulence is efficient at stirring and transporting tracers. The dynamical properties of this stirring can be characterized by statistically quantifying tracer struc…

Oceanographic variability in Cumberland Bay, South Georgia, and its implications for glacier retreat

South Georgia is a heavily glaciated sub-Antarctic island in the Southern Ocean. Cumberland Bay is the largest fjord on the island, split into two arms, each with a large marine-t…

Global Surface Winds and Aeolian Sediment Pathways on Mars from the Morphology of Barchan Dunes

In the absence of consistent meteorological data on Mars, the morphology of dunes can be employed to study its atmosphere. Specifically, barchan dunes, which form under approximat…

Multistage evolution of intracontinental basins: the case of the Lusitanian Basin

The Newfoundland-Iberia rift, which includes the Lusitanian Basin (LB), has been considered the archetype of a magma-poor rift, but its main steps are still debated. The new data …

Vertical structure of clouds and precipitation during Arctic cold-air outbreaks and warm-air intrusions: observations f…

The Arctic is marked by deep intrusions of warm, moist air, alternating with outbreaks of cold air down to lower latitudes. The typical vertical structure of clouds and precipitat…

Comment on “Phosphine in the Venusian Atmosphere: A Strict Upper Limit from SOFIA GREAT Observations” by Cordiner et al.

Searches for phosphine in Venus’ atmosphere have sparked a debate. Cordiner et al. 2022 analyse spectra from the Stratospheric Observatory For Infrared Astronomy (SOFIA) and infer…

Modeling the Contribution of Precipitation Loss to a Radiation Belt Electron Dropout Observed by Van Allen Probes

A drift-diffusion model is used to simulate the low-altitude electron distribution, accounting for azimuthal drift, pitch angle diffusion, and atmospheric backscattering effects d…

Mesoscale convective systems modulated by convectively coupled equatorial waves

Mesoscale convective systems (MCSs) produce over 50% of tropical precipitation and account for the majority of extreme rainfall and flooding events. MCSs are considered the buildi…

The 2022 Starlink geomagnetic storms: global thermospheric response to a high-latitude ionospheric driver

In this study, we present ionospheric observations of field-aligned currents from AMPERE and the ESA Swarm A satellite, in conjunction with high-resolution thermospheric density m…

Effects of wind shear and aerosol conditions on the organization of precipitating marine stratocumulus clouds

This study examines how wind shear affects precipitating marine stratocumulus clouds under different cloud droplet number concentrations ( N d ). We performed a series of large ed…

The Global Distribution and Drivers of Grazing Dynamics Estimated from Inverse Modelling 

We examine how zooplankton influence phytoplankton bloom phenology from the top-down, then use inverse modelling to infer the distribution and drivers of mean community zooplankto…

Controls on Bending-Related Faulting Offshore of the Alaska Peninsula

Oceanic plates experience extensive normal faulting as they bend and subduct, enabling fracturing of the crust and upper mantle. Debate remains about the relative importance of pr…

Discriminating lithospheric and asthenospheric anisotropy beneath Northern Oman: sharp contrast observed at the Semail …

To gain a deeper understanding of the extensive and varied lithospheric deformations beneath northern Oman, we examine seismic anisotropy in this region using splitting analysis o…

Satellite-based long-term spatiotemporal trends in ambient NO2 concentrations and attributable health burdens in China …

Limited research has assessed the spatio-temporal distribution and chronic health effects of NO2 exposure, especially in developing countries, due to the lack of historical NO2 da…

Pore-scale imaging of multiphase flow fluctuations in core-scale samples

Representative elementary volumes (REVs) are an important concept in studying subsurface multiphase flow at the continuum scale. However, fluctuations in multiphase flow are curre…

Implications of localized time dilation

Abstract: The assumption that time dilation must be computed using velocities relative to the local Hubble Frame has important consequences for cosmology. Four such consequences a…

Future population-adjusted heat stress extremes over the Great Lakes Region

There are large uncertainties in our future projections of climate change at the regional scale, with spatial variabilities not resolved adequately by coarse-grained Earth System …

Scale-Separated Dynamic Mode Decomposition and Ionospheric Forecasting

We present a method for forecasting the foF2 and hmF2 parameters using modal decompositions from measured ionospheric electron density profiles. Our method is based on Dynamic Mod…

Implications of the Steady-state Assumption for the Global Vegetation Carbon Turnover

Vegetation turnover time (τ) is a central ecosystem property to quantify the global vegetation carbon dynamics. However, our understanding of vegetation dynamics is hampered by th…

The zonal equatorial wind switch of IOD variability: Lessons from a simple reduced-gravity modelling study

Using a reduced-gravity model, this study explores the ocean’s response to wind forcing in the South-East Tropical Indian Ocean (SETIO) during the development phase (July-Septembe…

Balancing EC-Earth3: Improving the performance of EC-Earth CMIP6 configurations by minimizing the coupling cost

Earth System Models (ESMs) are complex systems used in weather and climate studies generally built from different independent components responsible for simulating a specific real…

Improving the Representation of Raindrop Size Distributions Using the In-situ Microphysics Observations Collected in Hu…

Raindrop Size Distributions (RSDs) samples from 17 flight missions though 6 hurricanes collected by Precipitation Imaging Probe (PIP) during National Oceanic and Atmospheric Admin…

Regionalized active layer thickness trends from nonlinear baseflow recession

Thawing of permanently frozen ground (permafrost) has increased in recent decades with negative implications for human and non-human adaptation to climate change. Impacts include …

No major increase in erosion rates in Central Himalayas during the late Cenozoic, revealed by 10Be in the newly dated V…

The Glaciations impacted erosion during the Late Cenozoic but no consensus has emerged whether they led to increased erosion rates globally. In the Himalayas, recent work used pas…

Observations of mesospheric gravity waves generated by geomagnetic activity

Gravity waves (GWs) play an important role in the dynamics and energetics of the mesosphere. Geomagnetic activity is a known source of GWs in the upper atmosphere. However, how de…

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