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Showing 4651 to 4700 of 59105 works
Can stochastic slip rupture modeling produce realistic M9+ events?
Stochastic slip rupture modeling is a computationally efficient reduced-physics approximation that has the capability to create any number of unique ruptures based only on a few s…
Vertical flux of trace elements associated with lithogenic and biogenic carrier phases in the Southern Ocean.
Trace elements (TE) are tracers of multiple biotic and abiotic processes in the ocean and some of them are essential for marine life. Vertical export by particles is a major remov…
A first-order statistical exploration of the mathematical limits of Micromagnetic Tomography
The recently developed Micromagnetic Tomography (MMT) technique combines advances in high resolution scanning magnetometry and micro X-ray computed tomography. This allows precise…
Coastal defense megaprojects in an era of sea-level rise: politically feasible strategies or Army Corps fantasies?
Storm surge barriers, levees, and other coastal flood defense megaprojects are currently being proposed as strategies to protect several U.S. cities against coastal storms and ris…
Global constraints on intermediate-depth intraslab stresses from slab geometries and mechanisms of double seismic zone …
Double seismic zones (DSZs), parallel planes of intermediate-depth earthquakes inside oceanic slabs, have been observed in a number of subduction zones and may be a ubiquitous fea…
Canonical correlation and visual analytics for water resources analysis
In the last decades, the urbanization process and population growth resulted in a substantial increase of water consumption for agricultural, industrial, and residential purposes.…
A perspective on substorm dynamics using 10 years of Auroral Kilometric Radiation observations from Wind
We study 10 years (1995-2004 inclusive) of auroral kilometric radiation (AKR) radio emission data from the Wind spacecraft to examine the link between AKR and terrestrial substorm…
Role of fluid on earthquake occurrence: Example of the 2019 Ridgecrest and the 1997-2016 Central Apennines sequences
This paper focuses on the study of the temporal evolution of seismicity and the role of fluids during major earthquake sequences that occurred in the central Apennines and Eastern…
Separation of Spacecraft Noise from Geomagnetic Field Observations through Density-Based Cluster Analysis and Compressi…
Spacecraft equipped with magnetometers provide useful magnetic field data for a variety of applications such as monitoring the Earth’s magnetic field. However, spacecraft electric…
Study on Abstraction-Induced Recharge as an Adaptation Response to Climate Variation for Shallow Aquifer in Bangladesh
The significance of groundwater is likely to grow in the coming years because of the need to mitigate the negative consequences of climate change. Adaptive capacity becomes import…
Impact of vertical mixing parameterizations on internal gravity wave spectra in regional ocean models
We present improvements in the modeling of the vertical wavenumber spectrum of the internal gravity wave continuum in high-resolution regional ocean simulations. We focus on model…
Evaluation of a mesoscale coupled ocean-atmosphere configuration for tropical cyclone forecasting in the South West Ind…
The performance in term of tropical cyclone track and intensity prediction of the new coupled ocean-atmosphere system based on the operational atmospheric model AROME-Indian Ocean…
Crustal Seismogenic Thickness and Thermal Structure of NW South America
The crustal seismogenic thickness (CST) has direct implications on the magnitude and occurrence of crustal earthquakes, and therefore, on the seismic hazard of high-populated regi…
Explainable artificial intelligence in geoscience: a glimpse into the future of landslide susceptibility modeling
For decades, the distinction between statistical models and machine learning ones has been clear. The former are optimized to produce interpretable results, whereas the latter see…
Richards equation at the hillslope scale: Can we resolve the heterogeneity of soil hydraulic material properties?
Process-based modeling of soil water movement with the Richards equation requires the description of soil hydraulic material properties, which are highly uncertain and heterogeneo…
The Buoyancy Reynolds Number Instability and Thermohaline Staircase Formation in the Polar Oceans
The Arctic Ocean main thermocline may be characterized by a series of fine-scale thermohaline staircase structures that are present in a wide range of regions, the formation mecha…
Estimation of maize yield incorporating the synergistic effect of climatic and land use change: A case study of Jilin, …
Yield forecasting can give early warning of food risks and provide theoretical support for food security planning. Climate change and land use change directly influence the region…
Towards retrieving aerosol chemical composition from temporal variations of total PM mass concentrations: Theoretical a…
Fine and ultrafine ambient particulate matter (PM) has major health and climate impacts. Chemical composition of PM is required for better estimation of these impacts but is consi…
The global patterns of instantaneous CO2 forcing at the top-of-atmosphere and surface
The radiative forcing of carbon dioxide (CO2) at the top-of-atmosphere (TOA) has a rich spatial structure and has implications for large-scale climate changes, such as poleward en…
Framework for an ocean-connected supermodel of the Earth System
A supermodel connects different models interactively so that their systematic errors compensate and achieve a model with superior performance. It differs from the standard non-int…
A New Madrid Seismic Zone Fault System Model from Relative Event Locations and Application of Optimal Anisotropic Dynam…
A new model of fault structure in the active New Madrid Seismic Zone (NMSZ) is presented based on relocated hypocenters and application of a statistical clustering method to deter…
Understanding the regional background ozone using multiple methods: A case study in northern China
Uprising ground-level ozone (O 3 ) and its regional pollution in eastern China are attracting more attention. On top of local precursor emissions and photochemistry, background oz…
Two-moment bulk cloud microphysics with prognostic precipitation in the GFDL CM4.0 model: Performance and simulation ch…
We describe the model performance and simulation characteristics of a new global coupled climate model configuration, CM4-MG2. Beginning with the Geophysical Fluid Dynamics Labora…
Assessing internal variability of global mean surface temperature from observational data and implications for reaching…
Observed global mean surface temperature (GMST) combines a forced response with internal variability, and quantifying internal variability is important in assessing the reaching o…
Beam-driven Lower hybrid wave Nonlinear saturation and Turbulence in the Magnetopause
\sout The proposed work presents a model to understand the lower hybrid turbulence as observed by the Magnetospheric Multiscale (MMS) mission in the magnetic reconnection regions …
Predicting Solar Flares using CNN and LSTM on Two Solar Cycles of Active Region Data
We consider the flare prediction problem that distinguishes flare-imminent active regions that produce an M- or X-class flare in the future 24 hours, from quiet active regions tha…
Fault Zone Imaging with Distributed Acoustic Sensing: Surface-to-Surface Wave Scattering
Fault zone complexities contain important information about earthquake physics. High-resolution fault zone imaging requires high-quality data from dense arrays and new seismic ima…
Interacting effects of root exudate compounds and δ13C-barley shoot residue on micro-mechanical behaviour of soil measu…
Laboratory studies have shown that rhizodeposits could lead to either soil structural formation or dispersion depending on plant species, soil conditions, and microbial activity. …
Estimating shallow compressional velocity variations in California's Central Valley
A set of 44 sonic velocity well logs from the southern San Joaquin Valley are combined with soil textural data to derive a three-dimensional compressional velocity model. The comp…
Model simulation of SAID intensification in the ionosphere under a current generator: the role of ion Pedersen transport
The sub-auroral ion drift (SAID) denotes a latitudinally narrow channel of fast westward ion drift in the sub-auroral region. The recently recognized sub-auroral optical phenomeno…
Porosity Evolution in Rate and State Friction
This letter compares the predictions of the two expressions that have been proposed for the porosity evolution in the context of rate and state friction. One depends only on the s…
Surface deformations caused by pressurized finite ellipsoidal cavities
Volcano deformation monitoring is fundamental to detect pressurizations of magma bodies and forecasting any ensuing eruptions. Analytical and quasi-analytical solutions for pressu…
A Study in Blue: Secondary Copper-rich Minerals and Their Associated Bacterial Diversity in Icelandic Lava Tubes
Lava tubes on Mars hold exciting potential for the preservation of biosignatures, which may survive on geological timescales in these isolated, stable environments. To support the…
Radon dynamics and effective dose estimation in a volcanic cave: La Cueva del Viento, Tenerife (Canary Islands, Spain)
La Cueva del Viento is a volcanic lava tube located in Tenerife Island (Canary Islands, Spain). With 18.2 km in length, it is the 6 th longest volcanic tube on Earth. Its touristi…
What is happening with the Sun - and ionospheric impact?
To model ionospheric climate and to study its long-term changes we need solar activity proxies, because long and homogeneous data series of solar ionizing flux are not available. …
Automated Symbolic Upscaling: Model Generation for Extended Applicability Regimes, Part 1
In porous media theory, upscaling techniques are fundamental to deriving rigorous Darcy-scale models for flow and reactive transport in subsurface systems. Due to limitations in c…
Snow equi-temperature metamorphism described by a phase-field model applicable on micro-tomographic images: prediction …
Representing snow equi-temperature metamorphism (ETM) is key to model the evolution and properties of the snow cover. Recently, a phase-field model describing mean curvature flow …
Lagrangian analysis of moisture sources of Tianshan Mountain precipitation
The moisture sources of precipitation in the Tianshan Mountains, one of the regions with the highest precipitation in Central Asia during 1979-2017 are comprehensively and quantit…
Dispersed Urban-Stormwater Control Improved Stream Water Quality in a Catchment-Scale Experiment
Traditional urban drainage degrades receiving waters. Alternative approaches have potential to protect downstream waters, but widespread adoption requires robust demonstration of …
Downgoing plate-buoyancy driven retreat of North Sulawesi Trench: transition of a passive margin into a subduction zone
The transition of a passive continental margin into a subduction zone remains a hypothesis because few geological cases have been reported. The North Sulawesi subduction zone is a…
Calcification depths of planktic foraminifers constrained by geochemical signatures from sediment-trap samples from the…
The Mg/Ca and oxygen isotope ratios (δ18O) of multiple species of planktic foraminifers provide information on the hydrological conditions between the surface and the thermocline.…
Space, Time, Matter and Motion
In the text “Space, Time, Matter and Motion”, I created my own definitions about space, time, position and other elements, in an effort to establish the correspondence between abs…
Long-term Environmental Dynamics of the Lake Bosten Catchment: Implications for Freshwater Resource Management in NW Ch…
Arid and semiarid regions account for ~ 40% of the world’s land area. Rivers and lakes in these regions provide sparse, but valuable, water resources for the fragile environments;…
A Novel Calibration Method of Short-Time Waveform Signals Passed through LTI Systems: 1. Methodology and Simple Examples
We propose a novel and accurate calibration method for short-time waveform signals passed through a linear time-invariant (LTI) system that has a non-negligible group delay. Typic…
Mixed-precision for Linear Solvers in Global Geophysical Flows
Semi-implicit time-stepping schemes for atmosphere and ocean models require elliptic solvers that work efficiently on modern supercomputers. This paper reports our study of the po…
Quantifying the effect of ICME removal and observation age for in situ solar wind data assimilation
Accurate space weather forecasting requires advanced knowledge of the solar wind conditions in near-Earth space. Data assimilation (DA) combines model output and observations to f…
Statistics of the performance of gridded precipitation datasets in Indonesia
Gridded precipitation datasets have been used as alternatives to rain gauge observations, but their applicability for a specific region should be thoroughly evaluated. This paper …
Standing Eddies in Glacial Fjords and their Role in Fjord Circulation and Melt
Glacial fjord circulation modulates the connection between marine-terminating glaciers and the ocean currents offshore. These fjords exhibit a complex 3D circulation with overturn…
Biogeochemical processes are altered by non-conservative mixing at stream confluences
Stream confluences are ubiquitous interfaces in freshwater networks and serve as junctions of previously independent landscapes. However, few studies have investigated how conflue…
Seismic activities and hazards of the seismic gaps in the Haiyuan fault in northeastern Tibet: Insights from numerical …
The 2022 Menyuan earthquake occurred in the Qilian-Haiyuan fault system in northeastern Tibet. To investigate the reason behind this earthquake and the seismic hazards of the Tian…
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