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Showing 17851 to 17900 of 22070 works
Multigrid Beta Filter for Faster Computation of Ensemble Covariance Localization
This study applies a multigrid beta filter (MGBF) for covariance localization in ensemble-variational (EnVar) data assimilation instead of the conventional recursive filter (RF) t…
Beaufort Gyre isopycnal structure generates significant halocline eddy transport
The Beaufort Gyre mean state is theorized to be set by surface wind stress, local sea ice, and subsurface mesoscale eddy transport. The mesoscale eddies in this context are subjec…
Impact of Morphological Changes on Water Residence Times in River Deltas
Coastal river deltas are highly significant both ecologically and socioeconomically, and are increasingly vulnerable to natural and anthropogenic factors. Vegetation, sediment sup…
Interhemispheric Asymmetries in Large Magnetic Field Residuals between Swarm Observations and Earth Magnetic Field Mode…
We present a statistical study of large magnetic field vector residuals between Swarm observations and the 13th generation International Geomagnetic Reference Field (IGRF-13) mode…
Diffusive Equilibrium: Modeling Anisotropic Maxwellian and Kappa Field Line Distributions in Io’s Plasma Torus Using Mu…
Modeling density distributions along Jupiter’s magnetic field lines is essential for understanding the Io plasma torus, moon plasma interactions, and plasma throughout the magneto…
Assessing the response of surface cloud radiative effects to Stratospheric Aerosol Injection over West and Central Afri…
Solar radiation management with stratospheric aerosol injection has been proposed as a potential mechanism to mitigate global warming and prevent it from reaching the tipping poin…
Drivers of Antarctic sea ice retreat
Antarctic sea ice has changed significantly over the past four decades; yet limited understanding of fundamental processes, including drivers of the seasonal cycle, hinders our ab…
An Evaluation of Air Quality in Major Urban Areas of India
Rapid economic growth and burgeoning population have contributed to enhanced levels of PM2.5 concentrations in urban regions of India. Evaluation of ambient air quality facilitate…
The Link Between Rossby Wave Breaking And Tropical-Extratropical Cloud Bands Over The South Pacific
Tropical-extratropical cloud bands are elongated cloud structures bridging tropical and midlatitude regions, and are crucial drivers of precipitation. While these cloud bands resu…
Surface water iron deposition histories and the initiation of phytoplankton blooms in the North Pacific Subtropical Gyre
Highly productive summer phytoplankton blooms in the central North Pacific Subtropical Gyre (NPSG) are a near annual occurrence that lead to the export of significant amounts of s…
Lessons Learned from Developing and Operating the Critical Zone Collaborative Network (CZNet) Data Cyberinfrastructure …
The diverse community of Critical Zone (CZ) scientists study the coupled chemical, biological, physical, and geological processes operating across scales to support life at the …
Accurate focal depth and stress state of the upper plate east off southern Tohoku revealed by sP depth-phase data
Since the 2011 M9.0 Tohoku-Oki megathrust earthquake, many normal-faulting earthquakes have occurred off northeastern Japan in the upper plate, indicating a trench-normal tensiona…
A Review of Green's Function Methods for Tracer Timescales and Pathways in Ocean Models
• Synthetic, holistic review of tracer Green's function techniques in ocean circulation models • Emphasize common underlying theory and ability to customize tracers to address div…
Convection, but How Fast Does Fluid Mix in Hydrothermal Systems?
The destabilizing thermal gradient across the Earth's lithosphere drives convection in superconfined hydrothermal environments at mid-ocean ridges and geothermal reservoirs in the…
Proof of concept for utilizing perceptual-based similarity to identify analog atmospheric fields for predicting tropica…
Analog methods for tropical cyclone (TC) rainfall prediction compare current and past TCrelated information (e.g., atmospheric fields) to estimate rainfall. However, comparing spa…
Process-Based Sediment Transport Modeling to Study Fluvial Deposition Dynamics in the Ganges-Brahmaputra River System o…
The Ganges-Brahmaputra-Meghna River basin in Bangladesh faces multifarious challenges from subsidence, sediment depletion, and sea-level rise threatening its stability and resilie…
Thermo-Mechanical Modeling of Tectonic and Magmatic Evolution in Pampean Flat Slab Subduction
Flat slab subduction, exemplified by the Pampean flat slab of the Nazca Plate, exhibits unique geological features such as enhanced seismicity, inboard deformation, and suppressed…
Sensitivity of Melt Energy of the Greenland Ice Sheet to Changes in Spatially Variable Ice-Surface Roughness Derived fr…
The objective is to demonstrate that spatially variable ice-surface roughness is an important, and so-far overlooked, component of melt processes in the Greenland Ice Sheet (GrIS)…
Electrokinetic coupling during capillary flow: Theoretical studies and comparison with experimental results
We present an analysis of the electrokinetic coupling equations for capillary flow developed in a previous work by the same authors where an extension to Pride's theory encompassi…
Estimating Urban CH4 Emissions from Satellite-Derived Enhancement Ratios of CH4, CO2, and CO
Urban centres are an important source of anthropogenic methane emissions and the focus of recent policy efforts aimed at emissions reductions. But emissions from urban areas are p…
Petrological Evidence for Magma Mobilisation Years Before the 2020/21 Eruption of La Soufrière Volcano, St. Vincent.
Anticipating the onset of the 2020/21 effusive-explosive eruptive sequence at La Soufrière volcano, St. Vincent was challenging despite the established monitoring networks in oper…
NEW TOOL TO DERIVE SEA ICE ALGAL BIOMASS: APPLICATION OF AN UNDERWATER HYPERSPECTRAL IMAGER (UHI)
Sea-ice algae are an integral part of the polar marine ecosystems, but they remain under-sampled due to the limitations of invasive sampling techniques, the large spatial heteroge…
Multi-point satellites observed the development of dawnside Sub-Auroral Polarization Streams (SAPS) on a short timescal…
• Under weak/non-storm substorms, the dawnside SAPS developed on a short timescale in a voltage generator. • Both substorm current wedge (SCW) development and substorm onset occur…
A New Lunar Crustal Thickness Constrained by Converted Seismic Waves Detected beneath the Apollo Seismic Network
Analysis of conversions between compressional and shear waves is a workhorse method for constraining crustal and lithospheric structure on Earth; yet, such converted waves have no…
High Stress Drop and Slow Rupture During the 2020 MW6.4 Intraplate Petrinja Earthquake, Croatia
Here we analyze the rupture process of the December 29 th , 2020 M W 6.4 Petrinja earthquake (Croatia), the largest event instrumentally recorded in this area characterized by …
Incipient Rifting of the Kalahari Craton: Reactivation of Mesozoic Failed Rifts in Southern Africa’s Cratonic Interior
Continental rifts commonly develop in orogenic belts and avoid cratons as cratonic crust agedness and cooler geotherms inhibit strain localization. Recent earthquakes in Eastern B…
Probing the Nature of Low-Frequency Earthquakes Through the Deconvolution of Tectonic Tremor
We resolve the low-frequency earthquake (LFE) activity within tremor from a compact area beneath southern Vancouver Island. Using LFE templates made from stacking thousands of nea…
Springtime UTLS Ozone Variability in East Asia: Insights from 16 Years of IASI Observations (2008-2023)
We investigated the springtime variability of ozone in the upper troposphere and lower stratosphere (UTLS) over East Asia using data from the Infrared Atmospheric Sounding Interfe…
Settling and rotation of frozen hydrometeors in turbulent air
Numerical model predictions of precipitation rates rely heavily on representations of how fast hydrometeors fall, assuming settling is determined only by the opposing force balanc…
Estimating tuff hydrologic properties from drainage on a centrifuge
Predicting water and gas movement through the vadose zone is of key importance for applications such as flow of liquids and gases in the subsurface in response to underground ex…
Inverse modeling of SO 2 point source emissions in the Middle East
The Middle East (ME) is threatened by severe air pollution due to human-induced sulfur dioxide (SO 2 ) emissions from the oil and gas industry, power, and desalination plants. SO …
Bayesian Posterior Exploration and Predictive Analysis of Finite-Fault Earthquake Models
Bayesian inversion framework for earthquake source processes yields an ensemble of plausible posterior models given prior information and data. Yet, the posterior and predictive a…
Detecting millimetric slow slip events along the North Anatolian Fault with GNSS
Active faults release part of the elastic strain energy stored in the crust via aseismic slip, either through slow slip events (SSEs) or steady slowly creep. However, spatial and …
Soil Moisture in the Southern Great Plains as a Source of Predictability for US Temperatures During Winter
This study identifies the most predictable patterns of winter temperature over the contiguous United States for subseasonal timescales, specifically weeks 1-2 and weeks 3-4. The i…
The Correspondence of Earthquakes and Faults
A compilation of many data sets indicates that the exponents for the cumulative length distribution of small faults of L < T, the brittle thickness, and for large faults of L > T,…
Back-propagating Earthquakes on a Simple Fault
Back-propagating earthquakes, characterized by a secondary front reversing into previously ruptured regions, have been recently documented due to advances in seismological techniq…
Uncertainty Estimation of SAR Current Retrievals using an Atmospheric NWP Ensemble
Retrieval of ocean surface current using single-antenna synthetic aperture radar (SAR) relies on the removal of the wind and wave signal (wind-wave bias) from the observed SAR Dop…
Assessment of plankton size structure from CMIP6 Earth System Models with a novel pelagic size structure database
Plankton influences biogeochemical and ecosystem processes, such as sequestration of atmospheric CO2, carbon export to the ocean floor, and the productivity of higher trophic leve…
Where dust comes from: Global assessment of dust source attributions with AeroCom models
The source of dust in the global atmosphere is an important factor to better understand the role of dust aerosols in the climate system. However, it is a difficult task to attribu…
New constraints on the long-term debris-flow incision law based on high resolution topographic data
In spite of recent development, state-of-the-art debris-flow incision models (DFIM) remain under-constrained, limiting their integration in landscape evolution model (LEM), and th…
Tectonic Uplift following slab break-off and Localized Pleistocene Glacial Erosion Shape the Landscape of the Dent Blan…
Based on new zircon and apatite (U-Th-Sm)/He and 40Ar/39Ar ages, along with published thermochronometric data, we derive first-order constraints on the tectonic and thermal evolut…
Use of Arduino-Based Potentiometric Sensors to Measure Leaf Apoplastic pH Changes Mediated by White Mold Infection in C…
The common bean, Phaseolus vulgaris L., like many crop species is vulnerable to the destructive necrotrophic fungus Sclerotinia sclerotiorum (Lib.) de Bary (Ss), the causal agent …
Sensitivity to Data Choice for Index-Based Flood Insurance
Despite increasing adoption of earth observations data to inform disaster response and recovery, deciding which measurements to use - and how - remains an open question. An increa…
The GFDL-CM4X climate model hierarchy, Part I: model description and thermal properties
We present the GFDL-CM4X (Geophysical Fluid Dynamics Laboratory Climate Model version 4X) coupled climate model hierarchy. The primary application for CM4X is to investigate ocean…
Classification of drainage crossings based on advanced deep learning models and high-resolution digital elevation models
The increased availability of high-resolution digital elevation models (HRDEMs) derived from light detection and ranging (LiDAR), and interferometric synthetic aperture radar (InS…
Fault structure and seismogenic dynamics of the Feidong earthquake sequence, Anhui
This study investigates the seismogenic fault and dynamic origin of the Feidong earthquake sequence in Anhui. We used the improved DBSCAN algorithm to identify the fault geometry …
Diamond Growth by Pulsed Hydrous-Carbon Rich Fluids Recorded in Twinned Diamonds
Diamonds are primary records of carbon transport in the deep mantle. Their growth is mediated by carbon-bearing fluids, but this process is challenging to study, due both to the r…
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