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Showing 6701 to 6750 of 59105 works
Maximizing Inverse Thermal History Model Results as a Strategy for Effective Geologic Interpretations
Inverse thermal history modeling is an effective tool to explore plausible time-temperature (t-T) histories that can be used to describe the geologic history of a sample. Although…
Interannual and decadal variability of the ice-shelf basal melting in the Amundsen region, West Antarctica - Focus on t…
Following observations of a drop in the West Antarctic Ice Sheet (WAIS) mass balance over the last few decades with the possibility to reach a tipping point leading to ineluctable…
Exploring Bayesian deep learning for weather forecasting with the Lorenz 84 system
The need for uncertainty quantification placed by weather forecasting makes Bayesian deep learning (BDL) a suited candidate for data-driven weather forecasting. In this study, we …
Observations of the influence of turbulence on lightning initiation and propagation
The updraft speed is correlated to the total lightning flashes a storm produces. Shear along updraft gradients is one of the mechanisms responsible for the production of turbulenc…
Impacts of Auroral Precipitation on HF Propagation: A Hypothetical Over-the-Horizon Radar Case Study
Over-the-horizon radar (OTHR) systems operating in the high-frequency (HF) band (3-30MHz) are unique in their ability to detect targets at extreme ranges, offering cost-effective …
Zircon U-Pb Age Constraints on the Exhumation of the Lesser Himalayas from the Laxmi Basin, Arabian Sea
The Indus Fan, located in the Arabian Sea, contains the bulk of the sediment eroded from the Western Himalaya and Karakoram. Scientific drilling in the Laxmi Basin by the Internat…
ENSO diversity shows robust decadal variations that must be captured for accurate future projections
El Niño-Southern Oscillation (ENSO) shows a large diversity of events that is modulated by climate variability and change. The representation of this diversity in climate models l…
ENSO Impacts on Regional Rainfall and Vertical Humidity of Chiangmai, Thailand
The study aims to investigate the relationship between dominant climate variabilities namely El Niño-Southern Oscillation (ENSO), and Indian Ocean Dipole (IOD) versus rainfall, an…
Assessing Compound Floods in a Large Tropical River Basin under Changing Climate
Compound flooding, characterized by the co-occurrence of multiple drivers is a cause of concern in many world river basins. High river flows accompanied by high rain events are re…
Shock remanent magnetization intensity and stability structures of single-domain titanomagnetite-bearing basalt sample
Knowledge of the shock remanent magnetization (SRM) structure is crucial to interpret the spatial changes in magnetic anomalies observed over the impact crater. This study reports…
A Streaming Tensor Decomposition Analysis of of a Multi-Ceilometer Based Lidar Aerosol Network.
Aerosols are collections of suspended solid or liquid particles in the gaseous atmosphere, such as dust, sulfates and nitrate molecules, black and organic carbon, sea salt ocean d…
A numerical study of the urban morphology and vegetation parameters cooling effect during an extreme heat event
Extreme heat events such as heatwaves or urban heat island effect are some of the noticeable outcomes of climate change within cities that can affect citizens' quality of life sig…
Influence of off-Sun-Earth line distance on the accuracy of L1 solar wind monitoring
Upstream solar wind measurements from near the L1 Lagrangian point are commonly used to investigate solar wind-magnetosphere coupling. The off-Sun-Earth line distance of such sola…
Using Solar Wind Helium to Probe the Structure and Seasonal Variability of the Martian Hydrogen Corona
We utilize measurements from instruments on the Mars Atmosphere and Volatile EvolutioN (MAVEN) mission to investigate singly ionized helium formed by charge exchange between solar…
How credible are earthquake predictions that are based on TEC variation?
We conduct numerical experiments to examine two studies that reported preseismic anomalies in the ionospheric total electron content (TEC) and argued for the significance of their…
Evolution of Jupiter-style critical latitudes: Initial laboratory altimetry results
This is a laboratory zonal-jet study using a rotating water tank. The bottom topography has a tent-shaped radial cross section designed to generate two critical latitudes, i.e. tw…
Climate Informatics for the Water-Energy-Food Nexus in the Indus Basin: A Scoping Study in Modeling Dairy Farms
Climate patterns in the agricultural zones of the Indus basin are predicted to undergo undesirable changes in the hydrological cycle. These changes are a threat to the widespread …
Detailed nucleation process and mechanism of the July 2019 Mw 6.4 Ridgecrest, California earthquake
Foreshocks provide valuable information on the nucleation process and mechanism of impending earthquakes. In this study, we utilized the Match&Locate method to build a high-precis…
Exploration Targeting of REE Deposits in NE India Using Fuzzy Inference Systems
A multi-stage fuzzy inference system (FIS), a symbolic knowledge-based artificial intelligence technique, is used to delineate exploration targets for rare earth elements (REEs) a…
Modeled and satellite-derived extreme wave height statistics in the North Atlantic Ocean reaching 20 m
Wave statistics of the North Atlantic Ocean, instrumental in designing merchant ships, were revisited by an in-house high-resolution 25-year wave hindcast (TodaiWW3-NK). The tail …
A Spectral element method to compute Earth's free core nutation
The Free Core Nutation (FCN) is a rotational mode related to non-alignment of the rotation axis of the core and of the mantle. There is a big gap between the observed FCN period (…
A Doppler direction finding method using only a single base antenna array
By difference treatment of the rate of change of the radial distance, the interchange relationship between the Doppler shift and the path difference is obtained, so that the Doppl…
The role of nearshore air-sea interactions for landfalling atmospheric rivers on the U.S. West Coast
Research on Atmospheric Rivers (ARs) has focused primarily on AR (thermo)dynamics and hydrological impacts over land. However, the evolution and potential role of nearshore air-se…
Exploring Western North Pacific Tropical Cyclone Activity in the High-Resolution Community Atmosphere Model
High-resolution climate models (~28 km grid spacing) can permit realistic simulations of tropical cyclones (TCs), thus enabling their investigation in relation to the climate syst…
Biogeochemical timescales of climate change onset and recovery in the North Atlantic interior under rapid atmospheric C…
Anthropogenic climate change footprints in the ocean go beyond the mixed layer depth, with considerable impacts throughout mesopelagic and deep-ocean ecosystems. Yet, little is kn…
Atmospheric Gravity Waves in Aeolus Wind Lidar Observations
Aeolus is the first Doppler wind lidar in space. It provides unique high-resolution measurements of horizontal wind in the sparsely-observed upper-troposphere/lower-stratosphere (…
Machine learning bridges microslips and slip avalanches of sheared granular gouge
Understanding the origin of stress avalanche of fault gouges may offer deeper insights into many geophysical processes such as earthquakes. Microslips of sheared granular gouges w…
Modeling ocean dynamics in ice-shelf rifts.
Ice-shelf break-up is thought to be driven by a combination of various environmental factors that can be classified as oceanographic, glaciological and atmospheric. These contribu…
Adequacy of HRU and Grid-based Hydrological Models for Streamflow Simulation in a Paddy-Dominated Agricultural Catchment
Catchment-scale streamflow assessment in the paddy-dominated catchments using the available hydrological models is highly intricate due to the presence of significant ponding wate…
State-dependence of Cenozoic thermal extremes
Oxygen isotopes in marine sediments (δ 18 O) are used to reconstruct Earth’s past temperature and reveal a generally cooling climate over the Cenozoic (66Ma-present). This trend i…
Categories of Infrasound Signals at Mount Etna Inferred from Unsupervised Learning Techniques
The frequent activity taking place at Mount Etna may pose risks to tourists and specialists visiting the summit craters as well as to the nearby population and thus requires const…
Predicting infrasound transmission loss using deep learning
Modelling the spatial distribution of infrasound attenuation (or transmission loss, TL) is key to understanding and interpreting microbarometer data and observations. Such predict…
Subducted Lithosphere under South America from Multi-frequency P-wave Tomography
We analyse mantle structure under South America in the DETOX-P1 seismic tomography model, a global-scale, multi-frequency inversion of teleseismic P-waves. DETOX-P1 inverts the mo…
Chondrule flattening by shock metamorphism in unequilibrated chondrites
Shock recovery experiments using ALH-78084 H3 and Y-793375 L3 chondrites are conducted in the shock pressure range of 11–43 GPa to reproduce shock-induced melting and chondrule fl…
Effects of mountains on aerosols determined by AERONET/DRAGON/J-ALPS measurements and regional model simulations
The NASA/AERONET field campaign DRAGON/J-ALPS (Distributed Regional Aerosol Gridded Observation Networks/Joint work to the AerosoL Properties and Process Simulations) was conducte…
Improving Water-Energy-Climate Nexus Modeling at the Metropolitan Scale
Climate is a key factor affecting water and energy resources. To quantify its effect, researchers have developed statistical and mechanistic models that simulate the interactions …
Satellite-based Sea Surface Salinity designed for Ocean and Climate Studies
Sea Surface Salinity (SSS) is an increasingly-used Essential Ocean and Climate Variable. The SMOS, Aquarius, and SMAP satellite missions all provide SSS measurements, with very di…
Energetic Electron Imaging of Ganymede's Magnetic Field by the Juno Spacecraft's Advanced Stellar Compass
The micro Advanced Stellar Compass (µASC), an attitude reference for the Juno Magnetic Field investigation, also continuously monitors high energy particle fluxes in Jupiter’s mag…
Characteristics of gravity wave horizontal phase velocity spectra in the mesosphere over the Antarctic stations, Syowa …
Mesospheric gravity-wave (GW) phase velocity spectra and total powers at two Antarctic stations, Davis and Syowa, were derived using OH airglow image data from March to October in…
3D volume rendering of geophysical data using the yt platform
We present novel applications of yt, a tool originally designed for analysis of astrophysics datasets, to the geosciences. yt is a python-based platform for volumetric data, which…
Fast Magnetic Field Annihilation in Magnetotail Electron-scale Current Sheet
We present observations in Earth’s magnetotail by the Magnetospheric Multiscale spacecraft that are consistent with magnetic field annihilation, rather than magnetic topology chan…
Machine Learning Approach for Predicting Flowering Days in Sorghum
Sorghum is an important cereal crop grown across the globe for its grain and biomass value. It can also efficiently use resources such as nitrogen, and multiple varieties that are…
Influence of data filters on the accuracy and precision of paleomagnetic poles: what is the optimal sampling strategy?
To determine a paleopole, the paleomagnetic community commonly applies a loosely defined set of quantitative data filters that were established for studies of geomagnetic field be…
Relating 27-Day Averages of Solar, Interplanetary MediumParameters, and Geomagnetic Activity Proxies in SolarCycle 24
We analyzed correlations between solar, interplanetary-medium parameters, and geomagnetic-activity proxies in 27-day averages (a Bartels rotation) for the 2009 – 2016 time interva…
Temperature and composition of the mantle sources of martian basalts as constrained by MAGMARS, a new melting model for…
The martian surface is predominantly covered by FeO-rich basalts and their alteration products. Several samples, either analyzed in situ by rovers or recovered as meteorites, migh…
Expansion of Phragmites australis in a Mississippi Estuary Determined from Aerial Image Data
Coastal marsh extent is a key variable in the protection of inland areas from storm surge, flooding, and erosion. Vegetation composition is also an important factor in the functio…
Soil-plant properties differentially impact microbiome networks in a cover crop biodiversity experiment
Cover crops may influence soil health and functioning. However, little is known about the role of belowground root architectural traits in linking cover crop diversity with rhizos…
Seed Composition Estimation using Satellite Fusion and Machine Learning
Predicting the composition of soybean seeds while the plants are growing in the field is very important to understand how different genotypes, field condition and environment infl…
Nonlinear Response of Asian Summer Monsoon Precipitation to Emission Reductions in India and China
Now published: https://doi.org/10.1088/1748-9326/ac3b19 Anthropogenic aerosols over South and East Asia currently have a stronger impact on the Asian Summer Monsoon (ASM) than gre…
Accuracy of Terrain Heights from Spaceborne Laser Altimetry in Brunei's Tropical Peatlands
Tropical peatlands are estimated to hold carbon stocks of 70 Pg C or more as partly-decomposed organic matter, or peat. Peat may accumulate over thousands of years into gently mou…
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