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Showing 9201 to 9250 of 22070 works
Characterization of clasts in the Glen Torridon region of Gale crater observed by the Mars Science Laboratory Curiosity…
Granule- to cobble- sized clasts in the Glen Torridon region of Gale crater on Mars were studied using data captured by NASA's Mars Science Laboratory Curiosity rover between sols…
Oxidation extent of the upper mantle by subducted slab and possible oxygen budget in deep Earth inferred from redox kin…
Redox input by subducting slab into deep mantle is of vital importance for deep cycle and isotopic evolution of volatile elements, whose chemically stable forms are controlled by …
Attention-based machine vision models and techniques for solar wind speed forecasting using solar EUV images
Extreme ultraviolet images taken by the Atmospheric Imaging Assembly on board the Solar Dynamics Observatory make it possible to use deep vision techniques to forecast solar wind …
Loss mechanisms in the radiation belts: comparing dropouts and flux decays simulated and observed by PROBA-V/EPT and Va…
Test-particle and Fokker-Planck simulations of the energetic electrons trapped in the terrestrial magnetic field are used to study the outer radiation belt electron flux losses du…
Estimating above and below-ground biomass and carbon storage in Coffea arabica agroforestry systems in the Sierra Madre…
Recent land use changes associated with climatic suitability loss in some Coffea arabica growing regions in Guatemala have promoted an accelerated assessment of ecosystem services…
CMIP6 models underestimate the Holton-Tan effect
The teleconnection between the Quasi-Biennial Oscillation (QBO) and the Arctic polar vortex is investigated using Coupled Model Intercomparison Project phase 6 (CMIP6) models. We …
Heatwaves in Southeast Asia and Their Changes in a Warmer World
Based on the observational dataset SA-OBS and model outputs from the Community Earth System Model Large Ensemble project, this study investigates heatwaves in Southeast Asia in th…
Cascading weather events amplify the coastal thermal conditions prior to the shelf transit of Hurricane Sally (2020)
Changes in tropical cyclone intensity prior to landfall represent a significant risk to human life and coastal infrastructure. Such changes can be influenced by shelf water temper…
Parameters controlling the eruption frequency of long-lived felsic magmatic systems: an example from the Milos volcanic…
The observation that individual volcanic centres have their own eruption frequencies has been known for a long time but is as yet poorly understood. The key to a better understand…
Estimating intra-urban inequities in PM2.5-attributable health impacts: A case study for Washington, DC
Air pollution levels are uneven within cities, contributing to persistent health disparities between neighborhoods and population sub-groups. Highly spatially resolved information…
Quasilinear diffusion of protons by equatorial magnetosonic waves at quasi-perpendicular propagation: Comparison with t…
Although some plasma waves exhibit the largest growth rate and amplitude at 90deg wave normal angle (WNA), particle scattering by these waves in a quasilinear (QL) sense has not b…
Application of Continuous Ramped Heating to Assess Dispersion in Apatite (U-Th)/He Ages: A case study from Transantarct…
Application of apatite (U-Th)/He thermochronology has been hindered by incomplete understanding of single-grain age dispersion often displayed by samples, particularly those from …
Increasing Daytime Stability Enhances Downslope Moisture Transport in the Subcanopy of an Even-aged Conifer Forest in W…
Mountain breezes including katabatic and anabatic flows and temperature inversions are common features of forested mountain landscapes. However, the effects of mountain breezes on…
Evidence on a Class of Azimuthally Propagating Dipolarization Structures in the Earth's Magnetosphere from 4 to 30 Re
We report observational evidence for a class of coherent magnetic dipolarization structures that are long lived and radially extensive. The reported dipolarization structures, a s…
Direct visualization of colloid transport across a natural heterogeneous fractured rock surface
Colloid transport in fractured rock formations is an important process impacting the fate of pollutants in the subsurface. Despite intensive and outstanding research on their tran…
ΑEvaluation of extreme precipitation over Asia in CMIP6 models
Based on four reanalyses or gridded data sets (ERA5, 20CR, APHRODITE and REGEN), we provide an overview of 23 Historical and 7 HighResMIP experiments’ performance from the Coupled…
Research on cloud removal based on fusing Multi-temporal Remote Sensing Images
Cloud and cloud shadow are the primary factors that affect the application of remote sensing images, and they have always been problems encountered in remote sensing image process…
Probability distributions of radiocarbon in open compartmental systems
Radiocarbon ( 14 C) is commonly used as a tracer of the carbon cycle to determine how fast carbon moves between different reservoirs such as plants, soils, rivers or oceans. Howev…
Testing homes for potential sources of lead exposure as a high-school science project
High-school students tested soil, paint, and water for lead (Pb) in a total of 80 houses in their town of Pelham, New York, where blood-Pb data indicate relatively high levels of …
Investigating the Vertical Structure of Interactions between Radiation, Circulation and Moisture in Tropical Cyclones
A vertically resolved analysis of the budget equation for the spatial variance of moist static energy (MSE) is used to diagnose processes associated with the development of tropic…
Seismicity Properties of the Chain Transform Fault Inferred from OBS Data Obtained from the PI-LAB Experiment
Oceanic Transform Faults (TF) comprise first order discontinuities bounded between mid-ocean ridge spreading centres. TF mainly accommodate strike slip motion, separating lithosph…
Fracture imaging using DAS-recorded microseismic events
Hydraulic fracturing enables hydrocarbon production from unconventional reservoirs. Mapping induced seismicity around newly created fractures is crucial for understanding the rese…
Seasonal strength of terrestrial net ecosystem CO2 exchange from North America is underestimated in global inverse mode…
We evaluate terrestrial net ecosystem-atmosphere exchange (NEE) of CO2 from nine global inversion systems that inferred fluxes from four CO2 observational sources. We use 98 fligh…
LGM paleoclimate constraints inform cloud parameterizations and equilibrium climate sensitivity in CESM2
The Community Earth System Model version 2 (CESM2) simulates a high equilibrium climate sensitivity (ECS > 5 degC) and a Last Glacial Maximum (LGM) that is substantially colder th…
Understanding and managing uncertainty and variability for wastewater monitoring beyond the pandemic: Lessons learned f…
The COVID-19 pandemic has put unprecedented pressure on public health resources around the world. From adversity opportunities have arisen to measure the state and dynamics of hum…
Neural Decision Tree: A New Tool for Building Forecast Models for Plasmasphere Dynamics
The Neural Decision Tree (NDT) is a hybrid supervised machine-learning algorithm that combines the self-limiting property of a decision tree (CART) algorithm with the artificial n…
The influence of crystallinity on high--temperature syn--eruptive gas uptake by volcanic ash
Formation of surficial sulfate– and halide–bearing salts by syn–eruptive ash–gas interactions is known to occur during volcanic eruptions. For reactions between aluminosilicates a…
Resilient California water portfolios require infrastructure investment partnerships that are viable for all partners
Water scarcity is a growing problem around the world, and regions such as California are working to develop diversified, interconnected, and flexible water supply portfolios. To m…
The Effects of Numerical Dissipation on Hurricane Rapid Intensification with Observational Heating
The computational fluid dynamics of hurricane rapid intensification (RI) is examined through idealized simulations using two codes: a community-based, finite-difference/split-expl…
Identifying Marine Sources of Beached Plastics Through a Bayesian Framework: Application to Southwest Netherlands
Beaches are thought to contain a large part of plastics entering the marine environment. Here, they can cause harm to biota, and can potentially break down into smaller fragments …
Temporal and spatial evolution of precipitation under the sprite parent thunderstorm system on 22 July 2013 in Japan
Six sprites were observed on 22 July 2013 from Mt. Fuji (3776 m above sea level), Japan. Five of six sprite-producing positive cloud-to-ground strikes (SP +CGs) occurred in the st…
A driftwood-based record of Arctic sea ice during the last 500 years from northern Svalbard reveals sea ice dynamics in…
We present a 500-year history of naturally felled driftwood incursion to northern Svalbard, directly reflecting regional sea ice conditions and Arctic Ocean circulation. Provenanc…
Thermodynamic Changes in the Process of Megathrust Earthquake of magnitude 9
\sout\sout Sharp decrease of entropy production rate (EPR) is observed in the process of the Great East Japan Earthquake (GEJE) of magnitude 9. The EPR, a thermodynamic property o…
Assessing Decadal Predictability in an Earth-System Model Using Explainable Neural Networks
We show that explainable neural networks can identify regions of oceanic variability that contribute predictability on decadal timescales in a fully coupled Earth system model. Th…
The impact of planetary boundary layer parameterisation over the Yangtze River Delta region, China - Part I: meteorolog…
The planetary boundary layer (PBL) is the main region for the exchange of matter, momentum, and energy between land and atmosphere. The transport processes in the PBL determine th…
Solar Wind Interaction and Pressure Balance at the Dayside Ionopause of Mars
Due to the lower ionospheric thermal pressure and existence of the crustal magnetism at Mars, the Martian ionopause is expected to behave differently from the ionopause at Venus. …
Mineralogy model of the deep interior of Triton
The orbital history of Triton, coupled to its thermal evolution, and the role played from obliquity tides [1, 2], together with the ongoing geological activity [3] suggest a diffe…
Improved Backscattering Measurements with the CFOSAT Rotating Fan-beam Scatterometer
The China-France Oceanography Satellite (CFOSAT) was successfully launched on October 29, 2018, which carried two innovative payloads, i.e., the surface waves investigation and mo…
A comprehensive investigation of machine learning models for estimating daily snow water equivalent over the Western U.…
Substantial progress on machine learning (ML) models and graphical processing units (GPUs) has stimulated emerging research in applications of ML to earth science. As snow is a vi…
Two are Better than One: A Hybrid Policy that Integrates Water Prices and Quotas Reinforces the Robustness of Both Inst…
Many regions worldwide have replaced quotas, as a means to controlling irrigation-water usage, with a hybrid policy that integrates private quotas and uniform prices. This paper c…
Machine Learning Assisted Exploration and Production of Subsurface Energy and Carbon Geo-Sequestration: A Review
Machine learning has led to improvements in the efficiency and efficacy of subsurface engineering and characterization efforts that benefits the hydrocarbon and geothermal explora…
A Strong Correlation Between Relativistic Electron Microbursts and Patchy Aurora
In this letter, we present the results of a conjunction between the SAMPEX satellite and a THEMIS all-sky imager in Gillam, Canada—showing a high correlation between relativistic,…
Rayleigh-Love discrepancy highlights temporal changes in near-surface radial anisotropy after the 2004 Great Sumatra Ea…
Strong ground motions from large earthquakes are capable of damaging near-surface sediments and promoting notable reductions in their seismic velocity structures. These velocity r…
Multimodal dispersion curves extracted from deep seismic sounding profile to characterize the sedimentary structure
Thousands of deep seismic sounding profiles have been obtained worldwide to detect crustal and lithospheric structures; unfortunately, fine near-surface/shallow sedimentary struct…
Geological analysis of Ganymede using Digital Elevation Models
The surface of Ganymede is characterized by dark and light terrains. Light terrain, covering two thirds of the surface, is retained to be younger and resulted from resurfacing eve…
How Insoluble Inclusions and Intersecting Layers Affect the Leaching Process within Potash Seams
Potash seams are a valuable resource containing several economically interesting, but also highly soluble minerals. One of the major safety risks for subsurface mining operations …
Imaging the Earth using time-domain surface-wave measurements: Evaluation and correction of the finite-frequency phase …
Surface waves propagating from earthquakes, active sources or within the ambient noise wavefield are widely used to image Earth structure at various scales, from centimeters to hu…
In Situ Determination of Dry and Wet Snow Permittivity: Snow Water Equivalent Algorithm Development for Low Frequency R…
Extensive efforts are made to observe the accumulation and melting of seasonal snow. However, making accurate observations of snow water equivalent (SWE) at the global scale remai…
Manasseite, ferrohogbomite and amesite in mantle plume associated carbonatite: Implications for unplumbed ultra-hydrous…
Study of solid and fluid inclusions in carbonatite is vital for understanding the nature of primary carbonatitic magma. In this study, biphase fluid inclusions were observed in ca…
Linear disturbances shift boreal peatland plant communities toward earlier peak greenness
Vast areas of boreal peatlands are impacted by linear disturbances known as seismic lines. Tree removal and ground disturbance alter vegetation communities and are expected to cha…
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