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Showing 8851 to 8900 of 22070 works
Bayesian framework for inversion of second-order stress glut moments: application to the 2020 Mw 7.7 Caribbean Earthqua…
We present a fully Bayesian inverse scheme to determine second moments of the stress glut using teleseismic earthquake seismograms. The second moments form a low-dimensional, phys…
Handheld ED-XRF spectrometers in geochemical investigation - the comparative studies for glacial deposits (Spitsbergen)
This study presents the determination of the content of selected metals: Ba, Ca, Fe, Nb, Rb, Sr, Y, Zn, Zr in postglacial deposits from two glacial valleys (Ebbadalen and Elsadale…
A Moments View of Climatology and Variability of the Asian Summer Monsoon Anticyclone
A moments/area study of meteorological reanalyses (focusing on MERRA-2, ERA-Interim, and JRA-55) allows a novel investigation of the climatology of and interannual variability and…
Limited lateral transport bias during export of sea surface temperature proxy carriers in the Mediterranean Sea
Some lipid-biomarker-based sea surface temperature (SST) proxies applied in the modern Mediterranean Sea exhibit large offsets from expected values, generating uncertainties in cl…
Two Different Pathways toward Self-aggregation under Radiative-convective Equilibrium between SCALE and VVM
Two cloud-resolving models (SCALE and VVM) take different pathways toward convective self-aggregation under a radiative-convective equilibrium condition, although the model setups…
Impacts of Spatially Varying Eddy Diffusion in the Lower Thermosphere on the Ionosphere and Thermosphere using GITM - S…
The eddy diffusion coefficient (Kzz) parameterizes the effects of gravity wave (GW) turbulence in the mesosphere and lower thermosphere (MLT) on the ionosphere and thermosphere (I…
Characterizing Climate Impacts on Crop Yield by Integrating Radiative Transfer and Photosynthesis Processes into Agricu…
Crop yield is sensitive to climate change and has been projected to be negatively affected by future climate. To reduce yield loss and ensure food security in the context of clima…
Oceanic and Atmospheric Correlations to Cetacean Mass Stranding Events in Cape Cod Massachusetts, USA
Groups of pelagic dolphins and whales (order cetacea) regularly strand on beaches throughout the world and are referred to as mass stranding events (MSEs). MSEs have been observed…
Development of the SSiB5/TRIFFID/DayCent-SOM Model to study the impact of nitrogen dynamics on carbon cycle over terres…
It is important to adequately represent plant nitrogen (N) biogeochemistry and its respective processes in land surface models. Thus far, various N representations in models lead …
Parameter uncertainty quantification in an idealized GCM with a seasonal cycle
Climate models are generally calibrated manually by comparing selected climate statistics, such as the global top-of-atmosphere energy balance, to observations. The manual tuning …
Radiative transfer and viewing geometry considerations for the SIF/GPP relationship
Solar-Induced chlorophyll Fluorescence (SIF) provides a powerful proxy for determining forest gross primary production (GPP), particularly in evergreen ecosystems where traditiona…
Deep Residual Convolutional Neural Network Combining Dropout and Transfer Learning for ENSO Forecasting
To improve EI Niño-Southern Oscillation (ENSO) amplitude and type forecast, we pro-pose a model based on a deep residual convolutional neural network with few parame-ters. We leve…
Reconstruction of the Electron Diffusion Region with Inertia and Compressibility Effects
A method based on electron magnetohydrodynamics (EMHD) for the reconstruction of steady, two-dimensional plasma and magnetic field structures from data taken by a single spacecraf…
Elastic wave velocity changes due to the fracture aperture and density, and direct correlation with permeability: an en…
In an effort to reveal the subsurface hydraulic changes in fractures by seismic monitoring, aperture-related velocity changes need to be investigated. We developed a numerical app…
Average Ionospheric Electric Field Morphologies during Geomagnetic Storm Phases
We utilise Principal Component Analysis to identify and quantify the primary electric potential morphologies during geomagnetic storms. Ordering data from the Super Dual Auroral R…
Evident cooling effects of surface wetlands to mitigate climate change - a study of the Prairie Pothole Region
Wetlands are an important land type – they provide vital ecosystem services such as regulating floods, storing carbon, and providing wildlife habitat. The ability to simulate thei…
Primary beam for AARTFAAC-6 based on simulations
The purpose of this document is to generate a reliable primary beam model for AARTFAAC-6. This is necessary to compensate for the primary beam response in all-sky images, whose ef…
Annual Temperature Extremes at 1.5, 2 and 3 Degrees of Warming
The increased availability of daily model output in the latest generation of climate models should allow us a greater understanding of, and an improved ability to predict, future …
The “groundwater benefit zone”, proposals, contributions and new scientific issues
The groundwater has great potential for water resource utilization, accounting for about a quarter of vegetation transpiration globally and contributing up to 84% in shallow groun…
Genome wide analysis of root nodulation and root system architecture in soybean accessions
Developing crops with better root system architecture and nitrogen use efficiency can lead to resilient crops capable of sustaining productivity in both optimum and stress environ…
Next-generation Isoprene Measurements from Space: Quantifying Daily Variability at High Resolution
Isoprene is the dominant non-methane organic compound emitted to the atmosphere, where it drives ozone and aerosol production, modulates atmospheric oxidation, and interacts with …
Asymmetric Backward Peaking Radiation Pattern from a Relativistic Particle Accelerated by Lightning Leader Tip Electric…
Terrestrial Gamma-Ray flashes exhibit slopes of ionizing radiation associated with Bremsstrahlung. Bremsstrahlung has a continuous spectrum of radiation from radio waves to ionizi…
Massive multi-missions statistical study and analytical modeling of the Earth magnetopause: 3- An asymmetric non indent…
In a companion statistical study, we showed that the expression of the magnetopause surface as a power law of an elliptic function of the zenith angle θ holds at lunar distances, …
Controls on Larsen C Ice Shelf retreat from a 60-year satellite data record
Rapid retreat of the Larsen A and B ice shelves has provided important clues about the ice shelf destabilization processes. The Larsen C Ice Shelf, the largest remaining ice shelf…
Non-Gaussian Detection using Machine Learning with Data Assimilation Applications
In most data assimilation and numerical weather prediction systems, the Gaussian assumption is prevalent for the behaviour of the random variables/errors that are involved. At the…
Deep sourced fluids for peridotite carbonation in the shallow mantle wedge of a fossil subduction zone: Sr and C isotop…
Completely carbonated peridotites represent a window to study reactions of carbon-rich fluids with mantle rocks. Here we present details on the carbonation history of listvenites …
Seasonal responses of δ13C and δ18O of atmospheric CO2 over sub-urban region of India.
The seasonal diurnal variability of atmospheric CO2 and driving factors are studied using its continuous isotopic fractionation (δ13C and δ18O) over Shadnagar, a sub-urban locatio…
Electrical, Kinematic, and Microphysical Contrasts between Supercells Exhibiting Normal and Anomalous Charge Structures…
Thunderstorms exhibiting anomalous charge structures (ACSs, i.e., anomalous storms) are comprised by more riming ice carrying net positive versus negative charge, thought to resul…
Storm Time Data Assimilation in the Thermosphere Ionosphere with TIDA
Data assimilation schemes with empirical background models of the ionosphere are already in operational use. However such methods suffer during disturbed conditions when large gra…
Effects of mass wasting on fluvial sediments in Puerto Rico following Hurricane Maria
Mass wasting plays an important role on carbon cycling and sequestration by exposing fresh, weatherable bedrock and delivering hillslope sediments to lowlands and fluvial systems.…
Segmented plasma flow meter response from kinetic simulations
A relatively simple design of a segmented flow meter (SF meter) is presented for measuring in situ plasma flow velocities and other space plasma parameters. The response of the fl…
Temperature loggers capture intraregional variation of inundation timing for intermittent ponds
Hydroperiod, or the amount of time a lentic waterbody contains water, shapes communities of aquatic organisms. Precise measurement of hydroperiod features such as inundation timin…
Bayesian filtering in incoherent scatter plasma parameter fits
Incoherent scatter (IS) radars are invaluable instruments for ionospheric physics, since they observe altitude profiles of electron density (Ne), electron temperature (Te), ion te…
Labrador Sea winter heat and freshwater content observations from glider and Argo data
The Labrador Sea undergoes deep mixing in the wintertime, with mixed layer depths frequently reaching down to 2000 m. The resulting water mass that is formed - Labrador Sea Water …
Do Absorbing Aerosols or Scattering Aerosols Dominate the Impact of Aerosols on Ozone via Influencing Photolysis Rates?
Since different optical properties, absorbing aerosols (AA) and scattering aerosols (SA) impact ozone differently via influencing photolysis rates. Notably, studies on the impact …
PlastiX-Snow: A Citizen Science Project to Identify Microplastics in Snow
Microplastics have become ubiquitous in all reaches of the world. Due to their small size, low density, and environmental persistence, they are transported throughout the Earth's …
Scale dependence of earthquake rupture prestress in models with enhanced weakening: implications for event statistics a…
Determining conditions for earthquake slip on faults is a key goal of fault mechanics highly relevant to seismic hazard. Previous studies have demonstrated that enhanced dynamic w…
Mapping the distribution and extent of India's semi-arid open natural ecosystems
Open Natural Ecosystems (ONEs), consisting of a range of non-forested habitats, are under threat worldwide. These ecosystems range from deserts to savanna grasslands, and host amo…
Upper stratosphere-mesosphere-lower thermosphere perturbations during the intense Arctic polar night jet in 2019-2020
Thermal and dynamic perturbations at MLT heights during the strong stratospheric polar vortex as measured by the meteor radar at 67°N and the Aura satellite are presented. Mesosph…
Coseismic Fault Slip and Transtensional Stress Field in the Hovsgol Basin Revealed by the 2021 Mw 6.7 Turt, Mongolia Ea…
Knowledge of the regional crustal deformation and stress field is fundamental to understanding and constrain the ongoing Hovsgol basin evolution. The 2021 Mw 6.7 Turt earthquake p…
How salty is the global ocean: weighing it all or tasting it a sip at a time?
Global ocean mean salinity (GMS) is a key indicator of the Earth’s hydrological cycle and the exchanges of freshwater between land and ocean, but its determination remains a chall…
The 2021 Mw7.0 Miyagi-Oki earthquake, northeastern Japan, nucleated from deep plate boundary: Implications for the init…
Following the 2011 M9 Tohoku-Oki earthquake, the interplate seismicity drastically increased in the downdip extension; however, it disappeared within the rupture area. An Mw7.0 ea…
The benefit of multiple angle observations for visible band remote sensing using night lights
The spatial and angular emission patterns of artificial and natural light emitted, scattered, and reflected from the Earth at night are far more complex than those for scattered a…
The 2020 Samos (Aegean Sea) M7 earthquake: a normal fault with rupture directivity and near surface slip explaining the…
The 30 October 2020 M7 Samos earthquake occurred offshore the Greece-Turkey cross border region, and will be recalled as among the deadliest (118 fatalities) that affected both co…
The Illumination of Thunderclouds by Lightning: Part 3: Retrieving Optical Source Altitude
Optical space-based lightning sensors such as the Geostationary Lightning Mapper (GLM) detect and geolocate lightning by recording rapid changes in cloud-top illumination. While l…
Low dissipation of earthquake energy along faults that follow pre-existing weaknesses: field and microstructural observ…
Fracturing and gouge formation absorb ≥50% of earthquake energy on low displacement (<1-2 km) faults in isotropic crust. To assess how these processes absorb earthquake energy in …
Neural-network parameterization of subgrid momentum transport in the atmosphere
Attempts to use machine learning to develop atmospheric parameterizations have mainly focused on subgrid effects on temperature and moisture, but subgrid momentum transport is als…
IMPACT OF TWO TROPICAL CYCLONES ON THE RADIO ATMOSPHERICS OBSERVED USING VLF RECEIVERS
The response of electric field intensity of VLF radio atmospherics during two tropical cyclones Fani (May 2019) and Amphan (May 2020) has been presented in this paper. VLF radio a…
Inferring the main drivers of SARS-CoV-2 transmissibility
Identifying the main environmental drivers of SARS-CoV-2 transmissibility in the population is crucial for understanding current and potential future outbursts of COVID-19 and oth…
Measuring deflection of the vertical via local reference point surveying and pointing calibration of VLBI telescope: a …
Deflection of the Vertical (DOV) is vital to astro-geodetic and geophysics research and application. In the Urumqi station, two new non-optical methods including small network coo…
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