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Showing 3801 to 3850 of 22070 works
Fluid-enhanced neotectonic faulting in the cratonic lithosphere of the Nullarbor Plain, Australia
The Nullarbor Plain is underlain by a thick cratonic lithospheric mantle, which is thought to have a paucity of neotectonic faults and seismicity. Based on the analysis of high-re…
Snow Parameter Estimation with Multi-Frequency and Multi-Constellation Global Navigation Satellite System Signals
The Snow Water Equivalent (SWE) describes the amount of water stored in snow. The SWE is a key parameter for various applications including meteorological information systems, run…
Comparison of Amplitude Measurements on Borehole Geophone and DAS Data
A significant increase in using distributed acoustic sensing (DAS) as a main sensor of choice in borehole seismic applications prompts more fundamental research in understanding w…
Carbon Flux in a Semi-Arid Mangrove Ecosystem in Magdalena Bay, B.C.S Mexico
Mangrove forests are among the most productive ecosystems in the world. These tropical and subtropical coastal forests provide a wide array of ecosystem services, including the ab…
Subduction and slab detachment under moving trenches during ongoing India- Asia convergence
The dynamics of slab detachment and associated geological fingerprints have been inferred from various numerical and analogue models. These invariably use a setup with slab-pull-d…
Assessing the global influence of ENSO on flood risk through 1600 years of simulations
El Niño‐Southern Oscillation (ENSO) is often considered as a source of long-term predictability for extreme events via its teleconnection patterns. However, given that its charact…
Developing an Executable Paper With the Python in Heliophysics Community
The reproducibility crisis was sparked five years ago by a Nature survey that revealed most researchers have tried and failed to reproduce another scientist’s experiments (Baker, …
Assessment of NA-CORDEX regional climate models, reanalysis, and in-situ gridded-observational against U.S. Climate Ref…
Climate models still need to be improved in their capability of reproducing the present climate at both global and regional scale. The assessment of their performance depends on t…
The impact of watershed development and management practices on rural livelihoods outcome: A structural equation modeli…
The Ethiopian government increasingly recognized the watershed development and management practices as an integral part of rural livelihood development. However, studies associate…
The role of grain boundaries in low-temperature plasticity of olivine revealed by nanoindentation
• Nanoindentation experiments on a high-angle grain boundary (60 • misorientation) in a pure forsterite bicrystal reveal that the interface acts as a source of dislocations. • Nan…
Hydrological Transport and Biological Degradation of Dissolved Organic Carbon in a Headwater Tributary of the Yangtze
River systems represent important drivers of carbon loading, utilization and storage. However, underlying controls of hydrological transport and biological degradation on fluvial …
A multifaceted isoneutral eddy transport diagnostic framework and its application in the Southern Ocean
We propose a multifaceted isoneutral eddy transport diagnostic framework that combines the stationary-transient and Leonard’s decomposition in large eddy simulation (LES). We diag…
Data Assimilation Networks
Data assimilation (DA) aims at forecasting the state of a dynamical system by combining a mathematical representation of the system with noisy observations taking into account the…
High-resolution mantle flow models reveal importance of plate boundary geometry and slab pull forces on generating tect…
Mantle convection models based on geophysical constraints have provided us with a basic understanding of the forces driving and resisting plate motions on Earth. However, existing…
Rapid Volcanic Modification of the E-Region Dynamo: ICON’s First Glimpse of the Tonga Eruption
The 15 Jan 2022 Hunga Tonga-Hunga Ha’apai volcano eruption drove global atmospheric waves that propagated into space and impacted the ionosphere. Here we show immediate large-scal…
Impact of battery electric vehicle penetration and corresponding changes in upstream processes on summer O3 concentrati…
A regional meteorology–chemistry model was used to assess the effects of passenger car conversion to battery electric vehicles (BEV) on summer O3 concentrations in Kanto (Japan’s …
Pacific decadal oscillation influences tropical oxygen minimum zone extent and obscures anthropogenic changes.
Observations suggest that the tropical Pacific Ocean has lost oxygen since the 1960s leading to the expansion of its oxygen minimum zone (OMZ). Attribution to anthropogenic forcin…
The Role of Mesoscale Cloud Morphology in the Shortwave Cloud Feedback
A supervised neural network algorithm is used to categorize near-global satellite retrievals into three mesoscale cellular convective (MCC) cloud morphology patterns. At constant …
On the cause of enhanced landward motion of the overriding plate after a major subduction earthquake
Greater landward velocities were recorded after 6 megathrust earthquakes in subduction zone regions adjacent to the ruptured portion. Previous explanations invoked either increase…
Learning coagulation processes with combinatorially-invariant neural networks
Simulating the evolution of a coagulating aerosol or cloud of droplets in a key problem in atmospheric science. We present a proof of concept for modeling coagulation processes us…
Evolution of bottom boundary layers on three dimensional topography -- Buoyancy adjustment and instabilities
A current along a sloping bottom gives rise to upwelling, or downwelling Ekman transport within the stratified bottom boundary layer (BBL), also known as the bottom Ekman layer. I…
Mechanical modeling of pre-eruptive magma propagation scenarios at calderas
Simulating magma propagation pathways requires both a well-calibrated model for the stress state of the volcano and models for dike advance within such a stress field. With the pu…
Electron behaviour around the onset of magnetic reconnection
We investigate the onset of magnetic reconnection, utilizing a fully kinetic Particle-In-Cell (PIC) simulation. Characteristic features of the electron phase-space distributions i…
Comparing Roles of Fault Friction and Upper-Plate Rigidity in Depth-Dependent Rupture Characteristics of Megathrust Ear…
Megathrust earthquakes with a wide along-dip rupture extent show clearly depth-dependent variations in rupture characteristics such as rupture velocity, frequency contents of seis…
Do upper-plate material properties or fault frictional properties dominate tsunami earthquake characteristics?
Tsunami earthquakes are a type of shallow subduction zone events that rupture slowly (<1.5 km/s) with exceptionally long duration and depleted high frequency radiation, resulting …
Where and When Does Streamflow Regulation Significantly Affect Climate Change Outcomes in the Columbia River Basin?
The Columbia River basin is a large transboundary basin located in the Pacific Northwest. The basin spans seven US states and one Canadian province, encompassing a diverse range o…
Combined Use of Satellite Data and Machine Learning for Detecting, Measuring, and Monitoring Active Lava Flows at Etna …
Despite significant advances in monitoring of the development of active lava flow fields, many challenges remain. Timely field surveys of active lava flows could improve our under…
Fostering the Use of Scientific Water Models from Different Stakeholder Perspectives through the Sustainable Water Thro…
The interpretation and use of scientific models are relevant to public discourse and decision-making about future water scenarios. Tools to use these scientific models aim to faci…
Application of the INGV MUF nowcasting and forecasting methods for PECASUS to relevant cases for aviation
As it is known, Space Weather (SWx) phenomena can have dramatic impact on satellite navigation and HF radio communication systems, being also responsible for increases on radiatio…
GRACE-FO and Swarm accelerometers: An optimal approach for processing non-gravitational acceleration measurements.
GRACE-FO (GFO) and Swarm are two LEO missions that, among others, provide non-gravitational acceleration measurements required for geopotential model development and modelling of …
A multi-task encoder-decoder to separating earthquake and ambient 1 noise signal in seismograms
Seismograms contain multiple sources of seismic waves, from distinct transient signals such as earthquakes to ambient seismic vibrations such as microseism. Ambient vibrations con…
Data-driven Atmospheric Drag and Radiation Pressure Models Based on GRACE-C Accelerometer Measurements for the Study of…
The atmospheric drag and the Radiation Pressure are the dominant forces acting on LEO satellites. Many different approaches have been followed for the modelling of these non-gravi…
Low-frequency earthquakes accompany deep slow slip beneath the North Island of New Zealand
Slow slip events have previously been observed along the Hikurangi subduction zone beneath the North Island of New Zealand. These slow slip episodes occur both on the shallow plat…
Plant wax isotopes in Greenland lakes record widespread CH4 uptake during Holocene warming
Methane (CH4) emissions from Arctic lakes are of global concern in a warming world. Past Holocene warming provides an opportunity to examine carbon-climate feedbacks that develop …
Variability of Atmospheric CO2 Over the Arctic Ocean: Insights From the O-Buoy Chemical Observing Network
As the Arctic climate rapidly warms, there is a critical need for understanding variability and change in the Arctic carbon cycle, but a lack of long-term observations has hindere…
Dry-wet asymmetricity in changes of future surface water flow: an event-wise analysis
Many researchers have studied the terrestrial water cycle at global and local scales, determining the reasons for its change over time, space, and changing climates. However, even…
Attribution of stratospheric and tropospheric ozone changes between 1850 and 2014 in CMIP6 models
We quantify the impacts of halogenated ozone-depleting substances (ODSs), methane, N2O, CO2, and short-lived ozone precursors on total and partial ozone column changes between 185…
The potential benefits of handling mixture statistics via a bi-Gaussian EnKF: tests with all-sky satellite infrared rad…
The meteorological characteristics of cloudy atmospheric columns can be very different from their clear counterparts. Thus, when a forecast ensemble is uncertain about the presenc…
Surface Winds and Enthalpy Fluxes During Tropical Cyclone Formation From Easterly Waves: A CYGNSS view
We examined the Cyclone Global Navigation Satellite System (CYGNSS) retrievals of surface winds and enthalpy fluxes in African easterly waves that led to the formation of 31 Atlan…
Joint geodynamic-geophysical inversion reveals passive subduction and accretion of the Ontong Java Plateau
In this study, we for the first time applied a joint geodynamic-geophysical inversion (JGGI) approach to oceanic plateau subduction models, and compared the subduction style and c…
NO2 pollution decrease in big cities of Latin America during COVID-19 pandemic
NO2 is a mainly anthropogenic gas that affects population health and its exposure is associated with several respiratory diseases. Its tropospheric concentration is associated wit…
Neural network emulation of the formation of organic aerosols based on the explicit GECKO-A chemistry model
Secondary organic aerosols (SOA) are formed from oxidation of hundreds of volatile organic compounds (VOCs) emitted from anthropogenic and natural sources. Accurate predictions of…
Spectral characteristics of ionospheric disturbances over the Southwestern Pacific from the January 15, 2022 Tonga erup…
On January 15, 2022, Tonga’s Hunga volcano violently erupted, generating a tsunami that killed at least three people. Acoustic-gravity waves propagated by both the eruption and ts…
Calibration and Uncertainty Quantification of Gravity Wave Parameterization in an Intermediate Complexity Climate Model
The drag due to breaking atmospheric gravity waves plays a leading order role in driving the middle atmosphere circulation, but as their horizontal wavelength ranges from tens to …
Atmospheric Sciences Perspectives on Integrated, Coordinated, Open, Networked (ICON) Science
This collaborative article discusses the opportunities and challenges of adopting Integrated, Coordinated, Open, and Networked (ICON) principles in atmospheric sciences. From the …
A comprehensive study about the in-cloud processing of nitrate through coupled measurements of individual cloud residua…
Nitrate aerosol has become an increasingly important component of fine particles. While the formation and evolution of nitrate in airborne particles are extensively investigated, …
Manganese Mobility in Gale Crater, Mars: Leached Bedrock and Localized Enrichments
In Gale crater on Mars, the rover Curiosity has discovered evidence of fluid mobilization of the redox-sensitive element manganese. We present results for Mn from Curiosity ’s Alp…
Selecting appropriate model complexity: An example of tracer inversion for thermal prediction in enhanced geothermal sy…
A major challenge in the inversion of subsurface parameters is the ill-posedness issue caused by the inherent subsurface complexities and the generally spatially sparse data. Appr…
Reducing the ionospheric contamination effects on the column O/N2 ratio and its application to the identification of no…
Prior investigations have attempted to characterize the longitudinal variability of the column number density ratio of atomic oxygen to molecular nitrogen (ΣO/N2) in the context o…
Machine learning-based surrogate modelling for Urban Water Networks: Review and future research directions
Surrogate models replace computationally expensive simulations of physically-based models to obtain accurate results at a fraction of the time. These surrogate models, also known …
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