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Showing 751 to 800 of 8313 works
Elastic Property of Returned Samples From Asteroid (162173) Ryugu
The elastic property of asteroids is one of the paramount parameters for understanding their physical nature. For example, the rigidity enables us to discuss the asteroid’s shape …
Anisotropic Properties of the Earth’s Velocity Structure in Shikoku Island, Japan: Insights from Receiver Function Anal…
The anisotropic properties of the Earth’s velocity structure can be revealed through a combination of receiver function (RF) analysis and shear wave splitting. The splitting param…
Perseverance MEDA Atmospheric Pressure Observations - Initial Results
The Mars2020 Perseverance Rover landed successfully on the Martian surface on the Jezero Crater floor (18.44°N, 77.45°E) at Martian solar longitude, $L_s$, $\sim$5 in February 202…
Statistical-Topographical Mapping of Rainfall Over Mountainous Terrain Using Beta Scaling
We present a robust approach for quantitative precipitation estimation (QPE) for water resources management in mountainous catchments, where rainfall sums and variability are corr…
High-resolution thermal imaging in the Antarctic marginal ice zone: Skin temperature heterogeneity and effects on heat …
Insufficient in-situ observations from the Antarctic marginal ice zone limit our understanding and description of relevant mechanical and thermodynamic processes that regulate the…
Message in a Bottle - An Update to the Golden Record
Communication is an essential asset enabling humankind to forge an advanced civilization. Using approximately 31,000 languages from the Stone Age to our present digital informatio…
Tropical Cyclones and Equatorial Waves in a Convection-Permitting Aquaplanet Simulation with Off-Equatorial SST Maximum
Tropical cyclogenesis can be influenced by convectively coupled equatorial waves; yet, existing datasets prevent a complete analysis of the multi-scale processes governing both tr…
Impurity resistivity of the Earth's inner core
Seismic observations suggest that the Earth’s inner core has a complex structure (e.g., the isotropic layer at the top, innermost inner core, and hemispherical dichotomy). These c…
Sparse, Empirically Optimized Quadrature for Radiative Calculations
Broadband (spectrally-integrated) radiation calculations are dominated by the expense of spectral integration, and many applications require fast parameterizations for computing r…
Improving large-basin river routing using a differentiable Muskingum-Cunge model and physics-informed machine learning
Recently, rainfall-runoff simulations in small headwater basins have been improved by methodological advances such as deep neural networks (NNs) and hybrid physics-NN models — par…
A New Framework for Evaluating Model Simulated Inland Tropical Cyclone Wind Fields
Though tropical cyclone (TC) models have been routinely evaluated against track and intensity observations, little work has been performed to validate modeled TC wind fields over …
Forecasting Extreme Ultraviolet Thermospheric Drivers from Solar Imaging using Deep Learning
The thermosphere is heated by incident extreme ultraviolet (EUV) radiation from the Sun. Accurately forecasting this driver of thermospheric density is of paramount importance to …
Convective Self-Aggregation Occurs Without Radiative Feedbacks in Warm Climates
Previous research showed that radiative feedbacks are essential to the spontaneous development of convective aggregation (CSA) in idealized atmosphere models. We find that the con…
Unmixing of magnetic hysteresis loops through a modified Gamma-Cauchy exponential model
Quantifying the contributions of distinct mineral populations in bulk magnetic experiments greatly enhances the analysis of environmental and rock magnetism studies. Here we devel…
The Lifecycle of New Zealand Atmospheric Rivers and Relationship with the Madden-Julian Oscillation
New Zealand atmospheric river (AR) lifecycles are analyzed to examine the synoptic conditions that produce extreme precipitation and regular flooding. An AR lifecycle tracking alg…
Scale-dependent influence of permafrost on riverbank erosion rates
Whether the presence of permafrost systematically alters the rate of riverbank erosion is a fundamental geomorphic question with significant importance to infrastructure, water qu…
On the Impact of Thermal Gradients across Fluxgate Sensors on In-situ Magnetic Field Measurements
Fluxgate magnetometers are an important tool for measuring space plasmas. In-situ magnetic field investigations often involve measuring small perturbations of a large background f…
Tidal response of seismic wave velocity at shallow crust in Japan
Microcracks in geomaterials cause variations in the elastic moduli under applied strain, thereby creating seismic wave velocity variations. These are crucial for understanding the…
ETRSS-1 attitude and orbit control subsystem and on-orbit 1 performance analysis
9 The Ethiopian remote sensing microsatellite, weighing 65 kilograms, was successfully launched 10 into space in December 2019 from the Taiyuan launch facility, with the mission o…
Sensitivity of Modeled Elastic Deformation in the Amundsen Sea Embayment
This study investigates the effects of using high resolution surface load change grids when modeling elastic crusted deformation at ANET-POLENET Global Navigation Satellite System…
Stress-Based and Convolutional Forecasting of Injection-Induced Seismicity: Application to The Otaniemi Geothermal Rese…
Induced seismicity observed during Enhanced Geothermal Stimulation (EGS) at Otaniemi, Finland is modelled using both statistical and physical approaches. The physical model produc…
The principal role of chorus ducting for night-side relativistic electron precipitation
Night-side chorus waves are often observed during plasma sheet injections, typically confined around the equator and thus potentially responsible for precipitation of $\lesssim 10…
Changes in Winter Temperature Extremes from Future Arctic Sea-Ice Loss and Ocean Warming
Observed rapid Arctic warming and sea-ice loss are likely to continue in the future, unless and after greenhouse gas emissions are reduced to net-zero. Here, we examine the possib…
Understanding the mechanisms for tropical surface impacts of the quasi-biennial oscillation (QBO)
This study evaluates the main hypotheses to explain a coupling between the quasi-biennial oscillation (QBO) in the tropical stratosphere and the tropical troposphere and surface. …
Adjoint-based marker-in-cell data assimilation for constraining thermal and flow processes from Lagrangian particle rec…
Geophysical problems often involve Lagrangian particles that follow surrounding flows and record information about the system, such as the pressure and temperature path recorded i…
First onset of unrest captured geodetically at Socompa Volcano, Northern Chile
We report the first detection of unrest at Socompa, Northern Chile, a stratovolcano which has recorded no eruptions since ~7,200 years ago. We measure deformation at and around So…
Reduced tropical climate land area under global warming
Regions along the edges of the tropics host vast populations and ecosystems which are sensitive to climate change. Here we examine the extent of tropical climate land areas in the…
Kinematics and Convergent Tectonics of the Northwestern South American Plate during the Cenozoic.
The interaction of the northern Nazca and southwestern Caribbean oceanic plates with South America, and the collision of the Panama-Choco arc have significant implications on the …
Influence of water hyacinth (Eichhornia crassipes) on concentration and distribution of Escherichia coli in water surro…
Floating communities exist throughout the world. Many live on water with a high pathogen load due to difficulties associated with sewage management. In Claverito, an informal floa…
A potential vorticity diagnostics package for MPAS-Atmosphere
Ertel’s potential vorticity (PV) is an important quantity in atmospheric dynamics that succinctly encompasses the principles of mass, momentum, and energy conservation and is appl…
Whitewater Sound Dependence on Discharge and Wave Configuration at an Adjustable Wave Feature
Stream acoustics has been proposed as a means of monitoring discharge and wave hazards from outside the stream channel. To better understand the dependence of sound on discharge a…
A theoretical asperity contact creep model of interfacial friction for geomaterials
How to reveal the physical mechanism affecting the contact and friction behavior of geomaterials is still a challenging problem in predicting geological disasters, such as landsli…
Impact of optical imagery and topography data resolution on the measurement of surface fault displacement using sub-pix…
The amount and spatial distribution of surface displacement that occurs during an earthquake are critical information to our understanding of the earthquake source and rupture pro…
Investigating the Linkage Between Spiral Trough Morphology and Cloud Coverage on the Martian North Polar Layered Deposi…
The Martian North Polar Layered Deposits (NPLD) are composed of alternating water-ice and dust-rich layers resulting from atmospheric deposition and are key to understanding Mars’…
Artificial Upwelling - A New Narrative
The current narrative of artificial upwelling (AU) is to use ocean pipes to pump nutrient rich deep water to the ocean surface, thereby stimulating the biological carbon pump. Thi…
Response of high-altitude clouds to the galactic cosmic ray cycles in tropical regions
Galactic cosmic rays (GCRs) are one of the possible mediators of the solar influence on climate. However, the impacts of GCR on clouds and climate systems are not fully understood…
Implementation of WRF-Urban Asymmetric Convective Model (UACM) for Simulating Urban Fog over Delhi, India
Accurate fog prediction in densely urbanized cities poses a challenge due to the complex influence of urban morphology on meteorological conditions in the urban roughness sublayer…
A Novel Deep Learning Approach for Data Assimilation of Complex Hydrological Systems
In hydrological research, data assimilation (DA) is widely used to fuse the information contained in process-based models and observational data to reduce simulation uncertainty. …
Modulation of western South Atlantic marine heatwaves by meridional ocean heat transport
Marine heatwaves and cold spells are extreme surface temperature events that have been associated with adverse societal and ecosystem impacts in several regions around the globe. …
Development of a fast and accurate hybrid model for floodplain inundation Enter authors here
High computational cost is often the most limiting factor when running high-resolution hydrodynamic models to simulate spatial-temporal flood inundation behaviour. To address th…
On the vertical structure and propagation of marine heatwaves in the Eastern Pacific
Marine heatwaves (MHWs) have been recognized as a serious threat to marine life, yet, most studies so far have focused on the surface only. Here, we investigate the vertical dimen…
Public Health, Socioeconomic and Environmental Impacts of Urban Land Subsidence
Land subsidence (LS) due to groundwater pumping has been the subject of many studies at various spatial scales, dimensions of impacts and degrees of economic characterization. Rec…
A Transfer Learning Method to Generate Synthetic Synoptic Magnetograms
Current magnetohydrodynamics (MHD) models largely rely on synoptic magnetograms, such as the ones produced by the Global Oscillation Network Group (GONG). Magnetograms are current…
Surface cloud warming increases as Fall Arctic sea ice cover decreases
During the Arctic night, clouds regulate surface energy budgets through longwave warming alone. During fall, any increase in low-level opaque clouds will increase surface cloud wa…
The influence of weather patterns and the Madden-Julian Oscillation on extreme precipitation over Sri Lanka
Sri Lanka is affected by extreme precipitation events every year, which cause floods, landslides and tremendous economic losses. In this study, we use the ERA5 reanalysis dataset …
Cross-polarization gain calibration of linearly polarized VLBI antennas by observations of 4C 39.25
Radio telescopes with dual linearly polarized feeds regularly participate in Very Long Baseline Interferometry (VLBI). One example is the VLBI Global Observing System (VGOS), whic…
Probabilistic petrophysical reconstruction of Danta's Alpine peatland via electromagnetic induction data
Peatlands are fundamental deposits of organic carbon. Thus, their protection is of crucial importance to avoid emissions from their degradation. Peat is a mixture of organic soi…
Rossby Wave Phase Speed Influences Heatwave Location through a Shift in Storm Track Position
Surface anticyclones connected to the ridge of an upper-tropospheric Rossby wave are the dynamical drivers of mid-latitude summer heatwaves. It is, however, unclear to which exten…
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