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Showing 5701 to 5750 of 59105 works
Statistics of temporal variations in the auroral electrojets over Fennoscandia
We present the implementation of an improved technique to coherently model the high-latitude ionospheric equivalent current. By using a favourable and fixed selection of 20 ground…
Seasonal to intraseasonal variability of the upper ocean mixed layer in the Gulf of Oman
High-resolution underwater glider data collected in the Gulf of Oman (2015-16), combined with reanalysis datasets, describe the spatial and temporal variability of the mixed layer…
How model uncertainties influence tropical humidity in global storm-resolving simulations
We conduct a series of eight 45-day experiments with a global storm-resolving model (GSRM) to test the sensitivity of relative humidity R in the tropics to changes in model resolu…
Rifting Venus: Insights from Numerical Modeling
Venus is a terrestrial planet with dimensions similar to the Earth, but a vastly different geodynamic evolution, with recent studies debating the occurrence and extent of tectonic…
Insights into exhumation and mantle hydration processes at the Deep Galicia margin from a 3D high-resolution seismic ve…
High-resolution velocity models developed using full-waveform inversion (FWI) can image fine details of the nature and structure of the subsurface. Using a 3D FWI velocity model o…
P-hacking, HARKing and confirmation bias in cyclostratigraphic spectral analysis
A simple statistical test is used in cyclostratigraphy to discover candidate orbital frequencies in power spectra of climate proxy data-series. In published studies at least, this…
The Value Addition of Dynamic Downscaling the South Asian Summer Monsoon from a Global Reanalysis using a Regional Coup…
In this study we present the results of a Regional Coupled ocean-atmosphere Model (RCM) simulation of the South Asian Summer Monsoon (SASM) forced by global atmospheric and oceani…
Kilometer-scale simulations of trade-wind cumulus capture processes of mesoscale organization
The international field campaign for EUREC4A (Elucidating the role of clouds and circulation coupling in climate) gathered observations to better understand the links between trad…
Statistical Evaluation of the Temperature Forecast Error in the Lower-Level Troposphere on Short-Range Timescales Induc…
This study statistically evaluated the aerosol impact on the temperature error in the lower-level troposphere in short-range numerical weather prediction (NWP). The Global Ensembl…
Assimilation of Transformed Retrievals from Satellite High-Resolution Infrared Data over the Central Pacific Area
A month-long data assimilation experiment is carried out to assess the impact of CrIS and IASI Transformed Retrievals (TRs) on the accuracy of analyses and forecasts from a 3-h We…
The Transient Sea Level response to external forcing in CMIP6 models
Earth is warming and sea levels are rising as land-based ice is lost to melt, and oceans expand due to accumulation of heat. The pace of ice loss and steric expansion is linked to…
Flash Droughts in the Wake of Landfalling Atlantic Tropical Cyclones
Using a novel but a proven strategy to detect Flash Droughts (FDs), we identified four cases out of 30 (~13%) landfalling Atlantic TCs over the period of 2000-2018 Atlantic hurric…
Day-to-day variability of the semidiurnal tide in the F-region ionosphere during the January 2021 SSW from COSMIC-2 and…
The semidiurnal tidal spectrum in the F-region ionosphere obtained from hourly COSMIC-2 Global Ionospheric Specification data assimilation is greatly (>50%) enhanced during the Ja…
A Unique Combination of Equatorial Plasma Bubble Morphologies Occurring Within a 12 deg Longitude Range
On 12 October 2020, the NASA’s Global-scale Observations of the Limb and Disk (GOLD) mission observed three differently shaped EPBs within a 12 o longitude range, near the subsate…
Optimizing ExoMars 2022 Rover Remote Sensing Multispectral Science: Cross-Rover Comparison using Laboratory and Orbital…
Multispectral imaging instruments have been core payload components of Mars lander and rover missions for several decades. In order to place into context the future performance of…
Onset of carbonate biomineralization drove global reorganization of sedimentation and subsidence patterns
Carbonate rocks on continental crust are one of Earth’s largest reservoirs of CO2 and yet the controls on their volume through time are poorly understood. Here we quantify tempora…
Inferring tide-induced ephemeral grounding and subsequent dynamical response in an ice-shelf-stream system: Rutford Ice…
Antarctic ice shelves play a key role in regulating the rate of flow in tributary ice streams. Temporal variations in the associated ice-shelf buttressing stress are observed to i…
Imaging of Small-Scale Heterogeneity and Absorption Using Adjoint Envelope Tomography: Results from Laboratory Experime…
To complement the information provided by deterministic seismic imaging at length scales above a certain resolution limit we present the first application of Adjoint Envelope Tomo…
SAR observation of internal waves generated by sub-mesoscale eddies in the Strait of Sicily
It is well known that oceanic internal waves (IWs) can be generated by several mechanisms, among which is tidal flow over shallow bathymetry and atmospheric forcing. In recent yea…
The influence of sediment thermal maturity and hydrocarbon formation on Hg behaviour in the stratigraphic record
While Hg in sediments is increasingly used as a proxy for deep-time volcanic activity, the behaviour of Hg in OM-rich sediments as they undergo thermal maturation is not well unde…
Revealing Pressure-Induced Anomaly in Sound Velocities, and New Thermoelasticity of α-Fe2O3 Hematite at High Pressure: …
Elastic wave velocities of polycrystalline hematite have been measured at simultaneously high pressures and temperatures up to 6.5 GPa and 1100 K using ultrasonic interferometry i…
Spectrum Misreading: Most of the Lunar Water Detected by M 3 Might Actually Be Lunar Methanol
We have to face an important and urgent problem: even though according to spectral detection, we cannot conclude that there is much water on the Moon as the prevailing theory clai…
Deep Mantle Influence on the Cameroon Volcanic Line
The origin of the Cameroon Volcanic Line (CVL), which is difficult to explain with traditional plate tectonics and mantle convection models because the volcanism does not display …
Evaluating European ECOSTRESS Hub Evapotranspiration Products Retrieved from Three Structurally Contrasting SEB Models …
The ECOsystem Spaceborne Thermal Radiometer Experiment on Space Station (ECOSTRESS) is a scientific mission that collects high spatio-temporal resolution (~70 m, 1-5 days average …
Seismic source characterization from GNSS data using deep learning
The detection of deformation in GNSS time series associated with (a)seismic events down to a low magnitude is still a challenging issue. The presence of a considerable amount of n…
Topological Feature Tracking for Submesoscale Eddies
Current state-of-the art procedures for studying modeled submesoscale oceanographic features have made a strong assumption of independence between features identified at different…
Knowledge Priorities on Climate Change and Water in the Upper Indus Basin: A Horizon Scanning Exercise to Identify the …
River systems originating from the Upper Indus Basin (UIB) are dominated by runoff from snow and glacier melt and summer monsoonal rainfall. These water resources are highly stres…
Breakup of Pangea and the Cretaceous Revolution
250 Ma, Pangea had just reached an equatorial position of dynamic equilibrium, after a 60° northward migration due to True Polar Wandering. It then began oscillating about itself …
End of Storm Oscillation and Thunderstorm Ground Enhancement
During the abrupt changes of the near-surface (NS) field according to the end of storm oscillations (EOSO) scenario, we observe prolonged thunderstorm ground enhancements (TGE). T…
Compact Rover for Exploring Lunar and Martian Crustal Magnetic Fields
The Moon and Mars have strong regional crustal magnetic fields as shown by the observations of orbiting spacecraft. These crustal magnetic fields indicate that a core dynamo was p…
Earth’s earliest phaneritic ultramafic rocks 1: plate tectonic mantle slices or crustal cumulates?
How and when plate tectonics initiated remain uncertain. In part, this is because many signals that have been interpreted as diagnostic of plate tectonics can be alternatively exp…
A Cautionary Tale: small earthquakes that might have changed our understanding of Tibetan geodynamics — but were mis-lo…
Earthquake moment tensors and centroid locations in the catalogue of the Global CMT (gCMT) project, formerly the Harvard CMT project, have become an essential and extraordinarily …
Crustal-scale fault systems in the Korean Peninsula unraveled by reflection seismic data
An approximately 40-km long high-resolution reflection seismic profile (P3) was acquired in the metropolitan area of Seoul in South Korea for the purpose of fault system imaging i…
Extracting the height of lettuce by using neural networks of image recognition in deep learning
The traditional method of measuring the lettuce height is a manual measurement with instruments, which is greatly affected by human error.At present, researchers have proposed to …
Deterministic role of salinity advection feedback in the multi-centennial variability of AMOC revealed in an EC-Earth s…
Significant multi-centennial climate variability with a clear peak at approximately 200 years is found in a pre-industrial control simulation conducted with the EC-Earth3 climate …
Analysis of Organic Matter Decomposition in the Salt Marshes of the Venice Lagoon (Italy) Using Standard Litter Bags
Tidal salt marshes are widespread along the World’s coasts, and are ecologically and economically important as they provide several valuable ecosystem services. In particular, the…
A-CHAIM: Near-Real-Time Data Assimilation of the High Latitude Ionosphere with a Particle Filter
The Assimilative Canadian High Arctic Ionospheric Model (A-CHAIM) is an operational ionospheric data assimilation model that provides a 3D representation of the high latitude iono…
Linking Fracture Roughness and Orientation to Bedding: Impact on Fluid Flow
Rock fractures play a fundamental role in fluid migration through the crust, rendering them important in geoenergy applications. Although often modelled as smooth parallel plates,…
Geodynamic Modeling with Uncertain Initial Geometries
Geodynamic codes have become fast and efficient enough to facilitate sensitivity analysis of rheological parameters. With sufficient data, they can even be inverted for. Yet, the …
Kinematic Analysis of the Solar Ｗind Using Rotating Electric Fields
This paper describes a method for analyzing the kinematic properties of ions composing the solar wind. The core technology is a velocity analysis performed by dual rotating electr…
Restratification Structure and Processes in the Irminger Sea
The Irminger Sea is one of the few regions in the ocean where deep (> 1000 m) convection occurs. Convection is followed by restratification during summer, when the stratification …
Projected West Antarctic ocean warming caused by an expansion of the Ross Gyre
We use the United Kingdom Earth System Model simulations from the Coupled Model Intercomparison Project 6 to analyse the dynamics of the Ross Gyre, West Antarctica, under historic…
Seasonal Variations, Origin and Parameterization of Ice-Nucleating Particles at a Mountain Station in Central France
Understanding how aerosol particles interact with atmospheric water is critical to understanding their impact on climate and precipitations. Ice Nuclei Particles (INP) trigger the…
Impact of warmer sea surface temperature on the global pattern of intense convection: insights from a global storm reso…
Intense convection (updrafts exceeding 10 m∙s -1 ) plays an essential role in severe weather and Earth’s energy balance. Despite its importance, how the global pattern of intense …
A Catchment-Scale Hydro-Biogeochemical Model for Studying Non-Point Source Nitrate transport and Denitrification Process
Rainfall runoff and leaching are the main driving forces that nitrogen, an important non-point source (NPS) pollutant, enters streams, lakes and groundwater. Hydrological processe…
Impacts of extreme weather stress and synchronous yield fluctuation on the international wheat trade network
One of the central challenges for global food security is the growing pressure from increasingly frequent extreme weather events that results in sharp drops in crop yield and disr…
Seismic evidence for a weakened thick crust at the Beaufort Sea continental margin
The Canadian Beaufort Sea continental margin of northwestern Canada is a Cenozoic convergent margin, potentially representing a rare case of incipient subduction. Here, we produce…
Vertical Moisture Profile Effects on the Radar Penetration into Bare Soil Surface
This paper examines the radar penetration into a rough soil surface with a vertical moisture profile. Numerical analysis shows that the penetration depth decreases exponentially w…
Evaluating Input Data and Rain Snow Separation Improvements to the National Water Model Simulation of Snow Water Equiva…
We compared snowfall, and snow water equivalent (SWE) accumulation and ablation simulations from the WRF-Hydro model with the U.S. National Water Model (NWM) configuration against…
Water Contributors Identification to City Streams Using Multiyear Analysis of Water Stable Isotopes
Water is scarce in semi-arid and arid areas where urban irrigation consumes a large portion of city water. It is important to manage and conserve water properly to meet the growin…
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