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Showing 9151 to 9200 of 22070 works
Towards understanding Deccan volcanism
Large igneous provinces (LIPs) represent some of the largest volcanic events in Earth history with significant impacts on the ecosystem, including mass extinctions. However, there…
Matrix Diffusion as a Mechanism Contributing to Fractal Stream Chemistry
Solute transit or travel time distributions (TTDs) in catchments are relevant to both hydrochemical response and inference of hydrologic mechanisms. Long-tailed TTDs and fractal s…
Slow slip events and megathrust coupling changes reveal the earthquake potential before the 2020 Mw 7.4 Huatulco, Mexic…
The diversity of slip processes occurring in the megathrust indicates that stress is highly variable in space and time. Based on GNSS and InSAR data, we study in depth the evoluti…
Analysing explosive volcanic deposits from satellite-based radar backscatter, Volcan de Fuego, 2018
Satellite radar backscatter has the potential to provide useful information about the progression of volcanic eruptions when optical, ground-based, or radar phase-based measuremen…
Greenhouse gases modulate the strength of millennial-scale subtropical rainfall, consistent with future predictions
Millennial scale East Asian monsoon variability is closely associated with natural hazards through long-term variability in flood and drought cycles. Here we present a new East As…
Enhanced Hemispheric Thermal Contrast Intensified the Indian Monsoon During the Last Interglacial
Observational data from the past century show a weakening trend in summer monsoon over the Indian subcontinent. This is possibly attributed to the reduced land–sea contrast result…
TAO data support the existence of large high frequency variations in cross-equatorial overturning circulation
Large amplitude oscillations in the meridional overturning circulation (MOC) have been found near the equator in all major ocean basins in the NEMO ocean general circulation model…
Development of Land-River Two-Way Coupling in the Energy Exascale Earth System Model
Floodplain inundation links river and land systems through significant water, sediment, and nutrient exchanges. However, these two-way interactions between land and river are curr…
Improving Precipitation Forecasts with Convolutional Neural Networks
Traditional post-processing methods have relied on point-based applications that are unable to capture complex spatial precipitation error patterns. With novel ML methods using co…
Interannual climate variability mediates changes in carbon and nitrogen pools caused by annual grass invasion in a semi…
Exotic plant invasions alter ecosystem properties and threaten ecosystem functions globally. Interannual climate variability (ICV) influences both plant community composition (PCC…
An adaptive adversarial domain adaptation approach for corn yield prediction
Recently, statistical machine learning and deep learning methods have been widely explored for corn yield prediction. Though successful, machine learning models generated within a…
Geometry and segmentation of Cerberus Fossae, Mars: implications for marsquake properties.
The NASA InSight mission to Mars successfully landed on November 26 th , 2018 in Elysium Planitia. It aims to characterize the seismic activity and constrain the internal structur…
Integrating science and art to improve water resources education for the general public
Water resources decisions are often presented as bonds for public vote, but water resources management is an esoteric topic for which improved public understanding is crucial. An …
Assessment of Satellite Precipitation Products in Relation with Orographic Enhancement Over the Western United States
Different precipitation products are assessed for their skill in capturing orographic precipitation over the western United States using two popular methods. The first method defi…
A Model for Positive Corona Inception from Charged Ellipsoidal Thundercloud Hydrometeors
Lightning is observed to incept in thundercloud electric fields below the threshold value $E_k$ for discharge initiation. To explain this, the local enhancement of the electric fi…
Archiving and Sharing Legacy Exploration Seismic Data: Opportunities and Challenges
Over the past 60+ years, an enormous amount of exploration geophysics survey data has been collected around the globe, the majority of which is high-quality 2D and 3D seismic data…
Relative tsunami hazard from segments of Cascadia subduction zone for Mw 7.5-9.2 earthquakes
Tsunamis from earthquakes of various magnitudes have affected Cascadia in the past. Simulations of Mw>7.5–9.2 earthquakes constrained by earthquake rupture physics and geodetic lo…
Geochemical Profiles Across the Listvenite-Metamorphic Transition in the Basal Megathrust of the Semail Ophiolite: Resu…
The transition from the Semail ophiolite mantle to the underlying metamorphic sole was drilled at ICDP OmanDP Hole BT1B. We analyzed the bulk major, volatile and trace element com…
Deriving ionospheric TEC by VGOS data analysis during CONT17
This article focuses on the new generation of Very Long Baseline Interferometry (VLBI), the VLBI Global Observing System (VGOS), and measurements carried out during CONT17 campaig…
Constraining the Earth's Dynamical Ellipticity from Ice Age Dynamics
The dynamical ellipticity of a planet expresses the departure of its mass distribution from spherical symmetry. It enters as a parameter in the description of a planet's precessio…
Long-Term Seismic Monitoring of CO2 Sequestration Projects for 50-100 Years
Large-scale injection of carbon dioxide (CO2) into the earth started in the 1980’s for enhanced oil recovery (EOR). Geological sequestration (injection and storage) of industrial …
Sources, Occurrence and Characteristics of Fluorescent Biological Aerosol Particles Measured over the Pristine Southern…
In this study we investigate the occurrence of primary biological aerosol particles (PBAP) over all sectors of the Southern Ocean (SO) based on a 90-day dataset collected during t…
Relating Hydraulic-Electrical-Elastic Properties of Natural Rock Fractures at Elevated Stress and Associated Transient …
Monitoring the hydraulic properties within subsurface fractures is vitally important in the contexts of geoengineering developments and earthquakes. Geophysical observations are p…
Modulated Upper-Hybrid Waves Coincident with Lower-Hybrid Waves in the Cusp
During the Twin Rockets to Investigate Cusp Electrodynamics (TRICE-2) High-Flyer rocket’s passage through the cusp the high frequency (HF) radio wave receiver observed three inter…
A Multi-purpose Heliophysics L4 Mission
The Earth-Sun Lagrangian point 4 is a meta-stable location at 1 au from the Sun, 60° ahead of Earth’s orbit. It has an uninterrupted view of the solar photosphere from E30 to W150…
Spatiotemporal Hysteresis Distribution and Decomposition of Solar Activities and Climatic Oscillation during 1900-2020
Meteorological elements have different lag periods for solar activities (SA), climatic oscillation (CO) and other influencing factors at different spatiotemporal scales. To furthe…
First Observations of a Polynya in the Last Ice Area North of Ellesmere Island
The area to the north of Ellesmere Island and Greenland contains the Arctic's thickest ice and it is predicted to be the last to lose its perennial ice, thus providing an importan…
Remote sensing of aerated flows at large dams: proof of concept
Dams are important for flood mitigation, water supply and hydroelectricity. Every dam has a water conveyance structure, such as a spillway, to safely release extreme floods when n…
On the role of density-driven dissolution of CO2 in phreatic karst systems
Density-driven dissolution of carbon dioxide in water is a well-known and much described mechanism in geological sequestration of this greenhouse gas. It is remarkable that such e…
Systematic Identification of the Drivers of Regional Hydroclimate Variability in Southern Hemispheric Wet Seasons using…
We analyze the drivers of hydroclimate variability in northeast Brazil and southeast Australia using a causal discovery algorithm (CDA). The CDA-based regression models are also g…
Characterization of Deep Convective Cells during the onset of the Indian summer monsoon using C-band polarimetric Doppl…
The vertical structure and dynamics of deep convective clouds plays an important role during the Indian summer monsoon period. The characteristics of deep convective cells (DCC) a…
Field-aligned current during an interval of $\rm B_{Y}$-dominated interplanetary-field; modeled-to-observed comparisons
We model an interval of sustained northward interplanetary magnetic field, for which we have a comprehensive set of observational data. This interval is associated with the arriva…
Filling the gap: Estimation of soil composition using InSAR, groundwater depth, and precipitation data in California’s …
California’s Central Valley is responsible for $17 billion of annual agricultural output, producing 1/4 of the nation’s food. However, land in the Central Valley is sinking at a r…
Statistical study of the evolutionary stage of the Kelvin-Helmholtz vortices in MMS observations
We introduce the mixing parameter to analyze the \textit{in situ} measurements of a Kelvin-Helmholtz event observed by the Magnetospheric Multiscale mission. We define the mixing …
Spatial extents of tropical droughts during El Niño in current and future climate in observations, reanalysis, and CMIP…
Drought conditions significantly impact human and natural systems in the Tropics. Here, multiple observational and reanalysis products and ensembles of simulations from the Couple…
The Brittle-Ductile Transition Stress of Different Rock Types and Its Relationship with Uniaxial Compressive Strength a…
The investigation on brittle-ductile transition has become of central importance in many geologic situations. This paper aims to study the relationship between brittle-ductile tra…
RF Energy Harvesting Circuit Design Using Broadband Wilkinson Power Combiner for Low Power Electronics
RF energy harvesting is a new area of interest as a research topic during last decade. This paper presents the development of RF energy harvester circuits using a broadband Wilkin…
Resolving simulated sequences of earthquakes and fault interactions: implications for physics-based seismic hazard asse…
Physics-based numerical modeling of earthquake source processes strives to predict quantities of interest for seismic hazard, such as the probability of an earthquake rupture jump…
Average Visibility that Has Been Miscalculated
Visibility data are fundamental meteorological data widely used in many fields such as climate change, atmospheric radiation, atmospheric pollution, and environmental health. Calc…
Weather Effects on the Efficiency of Photovoltaic Systems in Medellín, Colombia
Shortages of electricity in Colombia associated with droughts during El Niño-Southern Oscillation warm events lead government to seek diversification of the electricity matrix, wh…
Frequency oscillation of whistler wave in magnetic reconnection
A 2.5-D PIC kinetic simulation code has been run for excitation of whistler wave and wave-particle interaction process in symmetric magnetic reconnection. The whistler wave is imp…
Improving the constraint on the Mw 7.1 2016 off-Fukushima shallow normal-faulting earthquake with the high azimuthal co…
Tsunamis with maximum amplitudes of up to 40 cm, related to the M w 7.1 normal-faulting earthquake off Fukushima, Japan, on November 21, 2016 (UTC), were clearly recorded by a new…
Derivation of the Analytical Solution of the Thermal Conduction-Convection Equation under Fourier Series Boundary Condi…
The thermal properties of soil play important roles in biogeochemical cycles. The soil thermal diffusivity can accurately reflect the transient process of soil heat conduction. In…
Analysis of E×B drifts in Earth’s magnetosphere during geomagnetic reversals: potential consequences for plasmasphere b…
Geomagnetic pole reversals occur frequently throughout geologic history, although one has not yet occurred in recorded time. Magnetohydrodynamic models of Earth’s core have reveal…
Increased Variability of Biomass Burning Emissions in CMIP6 Amplifies Hydrologic Cycle in the CESM2 Large Ensemble
Historical simulations performed for the Coupled Model Intercomparison Project Phase 6 (CMIP6) used biomass burning emissions between 1997–2014 containing higher spatial and tempo…
Environmental Flows to Support Riparian Forest Galleries in the Middle Rio Grande/Bravo Basin
Providing environmental flows is challenging in the middle portion of the Rio Grande/Bravo Basin (between Elephant Butte Reservoir in New Mexico and Presidio, Texas) where water d…
Paleoproterozoic collision to Mesozoic crustal reworking in central South China: evidence from drilling data and seismi…
The Xuefengshan tectonic belt in South China is generally regarded as the collisional zone between the Yangtze and Cathaysia blocks in the Neoproterozoic. Recent studies suggest a…
A note about density staircases in the Gulf of Naples : 20 years of persistent weak salt-fingering layers in a coastal …
This is a short communication about the inter-annual recurring presence at the coastal site in the Gulf of Naples of density staircases visible below the mixed surface layer of th…
Constraining Crustal Properties with Bayesian Joint Inversion of Vertical and Radial Teleseismic P-wave Coda Autocorrel…
The sensitivity of seismic compressional and shear waves and their velocity ratios to rock lithology, pore fluids, and high-temperature materials makes these parameters very usefu…
Relation between Global Anthropogenic Heat Release and Ices Disappearance; Consequences on Climate and Economy
The heat energy necessary to melt the recently reported 28 trillions tonnes of ices disappeared between 1994 and 2017 was estimated. This heat energy was compared to an estimate o…
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