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Showing 9951 to 10000 of 22070 works
Just How Vulnerable are American States to Wildfires? A Livelihood Vulnerability Assessment
Wildland fires are becoming more destructive and costly in the United States, posing increased environmental, social, and economic threats to fire-prone regions. Quantifying curre…
New Approaches to Multifrequency Sp Stacking Tested in the Anatolian Region
This study presents an improved approach to common-conversion point stacking of converted body waves that incorporates scattering kernels, accurate and efficient measurement of st…
Nonlinear behaviour of groundwater-surface water exchange flux
Understanding of the groundwater (GW)-surface water (SW) interaction is essential for the both qualitative and quantitative determination of the exchanging flux between them. The …
Channel water storage anomalies: A new remotely sensed measurement for global river analysis
River channels store large volumes of water globally, critically impacting ecological and biogeochemical processes. Despite the importance of river channel storage, there is not y…
Eddies connect the tropical Atlantic Ocean and the Gulf of Mexico
Numerical circulation modeling and observational studies have been conducted to understand the Loop Current (LC) system behaviors in the Gulf of Mexico (GoM). One of the factors t…
Measuring the Electron Density Roughness of the D-Region Ionosphere
We present a method of characterizing the horizontal and vertical electron density roughness of the D-region ionosphere using Nationwide Differential GPS (NDGPS) transmitters as L…
Catastrophic Tidal Bores Associated with Sea Level Rise: A Lesson from the Collapse of Kuahuqiao Neolithic Culture, Eas…
Extreme climatic/environmental events associated with sea level rise in the context of global warming are a prime concern in coastal management. Kuahuqiao, the type-site for the e…
Tin in tourmaline
Tourmaline is a common mineral in Sn-W mineralizations. It is commonly strongly zoned, both optically and chemically, and may host a range of trace elements. High levels of Sn hav…
A combined modeling and measurement approach to assess the nodal tide modulation in the North Sea
The correct representation of the 18.61 year nodal tide is essential for an interpretation of the evolution of mean sea level, as errors cause misleading bias. The nodal tide is c…
A single-point method to quantitatively diagnose the magnetotail flapping motion
Quantitatively estimating magnetotail flapping motion is critical to understanding and characterizing the dynamics of flapping behaviors. Such an estimation could be achieved in p…
A comprehensive study of stable carbon and oxygen isotopes for Cathaica pulveratrix and Metodontia yantaiensis land sna…
Modern investigations have shown that oxygen and carbon isotopes of land snail shells are useful indicators of climate and vegetation in monsoonal region. However, stable isotope …
Relative influence of compaction, PH and vehicle disturbance on lifeforms within drylands of Yookamurra Sanctuary, Rive…
Vegetation patterns often affected by the soil pH, soil compaction and human mediated disturbance. Several studies have explored how pH, compaction and human disturbance have alte…
Supraglacial lake bathymetry automatically derived from ICESat-2 constraining lake depth estimates from multi-source sa…
We introduce an algorithm “Watta”, which automatically calculates supraglacial lake bathymmetry along tracks of the ICESat-2 laser altimeter. Watta uses photon heights estimated b…
Self-Similarity of Surface Wave Developments under Tropical Cyclones
2D-parametric model is used to simulate waves under Tropical Cyclones (TCs). Set of equations describing either wind waves development and swell evolution, is solved using method …
Observations of closed magnetic flux embedded in the lobe during periods of northward IMF
The high latitude, lobe regions of the magnetosphere are often assumed to contain cool, low energy plasma populations. However, during periods of northward IMF, energetic plasma p…
Late Quaternary uniform deformation in the foreland of the North Qilian Shan, NE Tibet
The Qilian Shan, in the northeastern Tibetan Plateau, has been continuously extending to the foreland since the late Cenozoic, resulting in the deformation of the Hexi Corridor Ba…
Increased Occurrence and Intensity of Consecutive Rainfall Events in the China's Three Gorges Reservoir Area under Glob…
Consecutive Rainfall Events (CREs) are important triggers of geological hazards like landslide downhill and mudslide in the Three Gorges Reservoir area (TGR), China. These hazards…
Predicting Unsteady Pollutant Removal in Green Stormwater Infrastructure with Transit Time Distribution Theory
In this paper, we explore the use of unsteady transit time distribution (TTD) theory to model pollutant removal in biofilters, a popular form of nature-based or “green” stormwater…
Robust longitudinally-variable responses of the ITCZ to a myriad of climate forcings
We evaluate the longitudinal variation in meridional shifts of the tropical rainband in response to natural and anthropogenic forcings using a large suite of coupled climate model…
Modeling optical properties of non-cubical sea salt particles
Dried sea salt aerosol is commonly represented in aerosol-optics models by ideal cubical particles, while samples reveal that marine aerosol particles frequently display distorted…
Radio Environment Map Construction by Residual Kriging Based on Generalized Regression Neural Network
Radio environment map (REM) is an efficient enabler for practical cognitive radio networks by sensing the electromagnetic information within regions of interest dynamically. Most …
Societal Implications of Structural Inequities in Midstream Oil and Gas Infrastructure
Midstream oil and gas infrastructure comprises vast networks of gathering and transmission pipelines that connect upstream extraction sites to downstream processors, exporters, an…
Spontaneous imbibition in porous media: comparisons between a dynamic pore-network model and a VOF direct numerical sim…
The dynamic pore-network modeling, as an efficient pore-scale tool, has been used to understand spontaneous imbibition in porous media, which plays an important role in many subsu…
Grad-Shafranov equation: MHD simulation of the new solution obtained from the Fadeev and Naval models
This article aims to obtain a new analytical solution of a specific form of the Grad-Shafranov (GS) equation using Walker’s formula. The new solution has magnetic field lines with…
On the Transfer of Heat Generated by Energy Dissipation (Head Loss) to the Walls of Glacial Conduits: Revised Heat Tran…
The most general models for glacial hydrologic conduits include an energy equation, wherein a heat transfer coefficient controls the rate at which heat generated by mechanical ene…
Attenuation of ocean surface waves in pancake and frazil sea ice along the coast of the Chukchi Sea
Alaskan Arctic coastlines are protected seasonally from ocean waves by presence of coastal and shorefast sea ice. This study presents field observations collected during the autum…
A two-phase, pore-scale reactive transport model for the kinetic interface- sensitive tracer
Previous laboratory experiments with KIS tracers have shown promising results with respect to the quantification of fluid-fluid interfacial area (IFA) for dynamic, two-phase flow …
Magnetotail Configuration under Northward IMF Conditions
Due to the sparsity of space probes, it is still not clear on how the magnetic structure of the magnetotail looks like and how it evolves when the Interplanetary Magnetic Field (I…
Geomagnetic Pulsations Driving Geomagnetically Induced Currents
Geomagnetically induced currents (GICs) are driven by the geoelectric field induced by fluctuations of Earth’s magnetic field. Drivers of intense GICs are often associated with la…
Characterizing Venus's clouds and hazes using CO2 absorption bands in flux and polarization 1. Numerical simulations
Retrievals of Venus cloud top altitudes have primarily been performed using measurements of the total flux of sunlight that is reflected by the planet across CO2 absorption bands.…
Impact of Lake/reservoir Expansion and Shrinkage on Energy and Water Vapor Fluxes in the Surrounding Area
Lakes and reservoirs are important components of freshwater. The expansion and shrinkage of lakes/reservoirs may alter meteorological characteristics and the underlying surface co…
Substorm Current Wedge: Energy Conversion and Current Diversion
Using a magnetohydrodynamic simulation of magnetotail reconnection, flow bursts and dipolarization we further investigate the current diversion and energy flow and conversion asso…
Interhemispheric Comparisons of Large Nighttime Magnetic Perturbation Events Relevant to GICs
Nearly all studies of impulsive magnetic perturbation events (MPEs) with large magnetic field variability (dB/dt) that can produce dangerous geomagnetically-induced currents (GICs…
A newly designed demagnetization furnace for paleomagnetic thermal treatment with highly attenuated inside magnetic fie…
Thermal demagnetization furnaces are routine facilities that underpin countless paleomagnetic studies by allowing the progressive removal of naturally acquired magnetic remanence …
Quantifying Isolated Pore Space in Geological Barrier Materials
Pore connectivity, a topological characteristic of pore structure, is oftentimes more important than the geometrical aspects in controlling fluid flow and mass transport in porous…
Rheology and Heat Transport in Europa's Ice Shell
The efficiency of heat transfer in the outer shell of icy satellites is important to determine the evolution and thermal state of their interior with major implications for the co…
Significant degradation of glacial moraines quantified with cosmogenic 10Be, Mono Basin, CA
We present results that unequivocally demonstrate that glacier moraines erode at their crests and accumulate sediment at their toes, resulting in significant landscape evolution o…
Whistler and Broadband Electrostatic Waves in the Multiple X-line Reconnection at the Magnetopause
We investigate whistler-mode waves and broadband electrostatic waves (EWs) within an ion diffusion region (IDR) at the magnetopause. The quasi-parallel whistlers are observed in t…
A Global Model for Iodine Speciation in the Upper Ocean
An ocean iodine cycling model is presented, which predicts upper ocean iodine speciation. The model comprises a three-layer advective and diffusive ocean circulation model of the …
Low-Level Cloud Development and Diurnal Cycle in southern West Africa during the DACCIWA Field Campaign: Case Study of …
The presence, spatial extent and persistence of low-level clouds (LLCs) largely impact on the diurnal surface radiation and energy balance, as well as, the regional climate. Notwi…
Toward High Precision XCO2 Retrievals from TanSat Observations: Retrieval Improvement and Validation against TCCON Meas…
TanSat is the 1st Chinese carbon dioxide (CO) measurement satellite, launched in 2016. In this study, the University of Leicester Full Physics (UoL-FP) algorithm is implemented fo…
MEASUREMENTS OF THE MOON’S INFRARED (4 – 15 µm) AND MICROWAVE (1.6 – 13 mm) THERMAL RADIATION
Meteorological research satellites on polar orbits observe occasionally the Moon, when it moves through their deep space view. Over the last few decades, a large data set built up…
Impact of Antarctic meltwater forcing on East Asian climate under greenhouse warming
In recent decades, Antarctic ice-sheet/shelf melting has been accelerated, releasing freshwater into the Southern Ocean. It has been suggested that the meltwater flux could lead t…
Cluster Analysis of Thermal Icequakes Using the Seismometer to Investigate Ice and Ocean Structure (SIIOS): Implication…
Introduction: Ocean Worlds are of high interest to the planetary community [1, 2] due to the potential habitability of their subsurface oceans [3–5]. Over the next few decades sev…
Tracer and observationally-derived constraints on horizontal and diapycnal diffusivities in ocean models
Mixing parameters can be inaccurate in ocean data assimilation systems, even if there is close agreement between observations and mixing parameters in the same modeling system whe…
Primary joint statistical seismic influence on ionospheric parameters recorded by the CSES and DEMETER satellites
Oppositely to a previous statistical work using a single time resolution of the total ion density measured onboard the DEMETER satellite, this work deals with statistical seismo-i…
Geobites: Down-to-earth summaries of new geoscience research for a broad audience
The academic literature is the primary source for current developments in science. But limited access to journals as well as the widespread use of technical jargon can inhibit the…
Grounding-zone flow variability of Priestley Glacier, Antarctica, in a diurnal tidal regime
Dynamics of polar outlet glaciers vary with ocean tides, providing a natural laboratory to understand basal processes and ice rheology. We apply Terrestrial Radar Interferometry t…
Mean flow due to momentum flux convergence from internal tides upstream of a submarine ridge near Merir Island, Palau
In the presence of a mean flow, theory and models for internal tide generation at small amplitude topography show (a) internal tides produce a net momentum flux that extends to th…
Database of storm-time equatorial ion temperatures in Earth’s magnetosphere calculated from energetic neutral atom data…
Ion temperature is a key parameter that influences dynamics in the magnetosphere, such as particle transport and wave-particle interactions. Measurements of ion heating and energi…
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