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Showing 10001 to 10050 of 22070 works
Spatial coherence of interplanetary coronal mass ejection sheaths at 1 AU
The longitudinal spatial coherence near 1 AU of the magnetic field in sheath regions driven by interplanetary coronal mass ejection (ICME) is studied by investigating ACE and spac…
How does the CMIP6 ensemble change the picture for European climate projections?
Reliable climate projections are essential for adaptation and mitigation planning. We compare CMIP6 projections for temperature and precipitation to CMIP5 for northern Europe, cen…
Assimilation of lidar back-scatter and wind retrievals of planetary boundary layer height into WRF atmospheric forecast…
Lidar backscatter and wind retrievals of the planetary boundary layer height (PBLH) are assimilated into forecasts from the NASA Unified - Weather and Research Forecast (NU-WRF) m…
Sudden Stratospheric Warmings
Sudden stratospheric warmings (SSWs) are impressive fluid dynamical events in which large and rapid temperature increases in the winter polar stratosphere (~0–50km) are associated…
Fusion of Active and Passive Waveform Measurements for Mapping the Hydraulic Fractures
Fracture characterization is essential to hydrocarbon and geothermal exploration and production as well as carbon geo-sequestration. Active and passive measurements have been exte…
Source process of small repetitive explosions at Stromboli volcano inferred from a temporary very-near-field broadband …
We analyze seismic waves that are repeatedly excited by small explosions at the summit of Stromboli volcano, Italy, to understand the source process of volcanic explosions. At the…
Poly-phase structural evolution of the northeastern Alxa Block, China: Constraining the Paleozoic-Recent history of the…
The Alxa Block is a significant tectonic unit in the middle part of the southern Central Asian Orogenic Belt that was affected by multiple Paleozoic and Meso-Cenozoic deformation …
Rare event algorithm study of extreme warm summers and heatwaves over Europe
The analysis of extremes in climate models is hindered by the lack of statistics due to the computational costs required to run simulations long enough to sample rare events. We d…
Telescopic Observations of Lunar Hydration: Variations and Abundance
Prior to 2009, the Moon was believed to be anhydrous. However, observations by three spacecraft revealed a hydrated surface by reporting a 3 µm absorption band attributed to hydro…
Space-Time Trade-off of Precursory Seismicity in the EEPAS Medium-Term Forecasting Model Optimized for New Zealand Eart…
‘Every Earthquake a Precursor According to Scale’ (EEPAS) is a model to forecast earthquakes within the coming months, years and decades, depending on magnitude. EEPAS performs we…
Deep Investigations of Outer-Rise Tsunami Characteristics using Well-Mapped Normal Faults along the Japan Trench
The giant 2011 Tohoku earthquake (M9.0) could be expected to induce an 8-class outer-rise earthquake at the Japan Trench. In order to assess the risk of tsunamis from outer-rise e…
An umbrella cloud model to explain thickness and grain size variation in tephra deposits: Pululagua (Ecuador)
Tephra fallout hazard assessment relies on accurate reconstruction of eruption source parameters (ESPs) from tephra deposits. Models of tephra transport and sedimentation from a v…
Estimation of the Tangential Winds and Asymmetric Structures in Typhoon Inner Core Region Using Himawari-8
Observations of the winds in tropical cyclones are still limited. We propose a new method for deriving the tangential winds in tropical cyclones, which employs a spectral analysis…
Local Earthquake Tomography in the Tjornes Fracture Zone (North Iceland)
Local earthquake tomography has been carried out in the Tjornes Fracture Zone. This transform region connects the Mid-Atlantic Ridge with the Northern Volcanic Zone in Iceland in …
Variation of Solar Wind Parameters and Total Electron Content from Indian, Australian, Brazilian and South African Sect…
In this paper, we present the variations of IMF-Bz, Solar wind Parameters (Vsw, Nsw, and Psw), and Geomagnetic Indices (AE and SYM-H), and the variation of Vertical Total Electron…
Atmospheric controls and long range predictability of directional waves in the United Kingdom & Ireland
Improved understanding of how our coasts will evolve over a range of time scales (years-decades) is critical for effective and sustainable management of coastal infrastructure. Gl…
An Agent-Based Model of Migration and Environmental Shock in Bangladesh
One possible human response to climate change and other environmental stresses is migration. However, migration is complex, multi-causal phenomenon, and the complexity of human mi…
Ocean stratification and sea-ice cover in Barents and Kara seas modulate sea-air methane flux: satellite evidence
The diverse range of mechanisms driving the Arctic amplification are not completely understood and, moreover, the role of the greenhouse gas methane in Arctic warming remains uncl…
Imaging strong lateral heterogeneities across the contiguous US using body-to-surface wave scattering
Body-to-surface wave scattering, originated from strong lateral heterogeneity, has been observed and modeled for decades. Compared to body waves, scattered surface waves propagate…
Effect of the Radiation Balance on Warming Occurrence over West Africa
In this study, daily atmospheric radiation and temperature data at the surface were obtained from the archives of the Modern-Era Retrospective Analysis for Research and Applicatio…
Sub-seasonal Forecast Skill for Weekly Mean Atmospheric Variability over the Northern Hemisphere in Winter and its Rela…
This study assesses the sub-seasonal predictability of the weekly mean geopotential height anomaly at 500 hPa and its relationship to teleconnections over the Northern Hemisphere …
Rocket Observation of sub-relativistic electrons in the quiet dayside auroral ionosphere
An energy spectrum of electrons from 180 keV to 550 keV precipitating into the dayside polar ionosphere is observed for the first time by the HEP instrument onboard the RockSat-XN…
Comment on Dong and Ochsner (2018): “Soil Texture often Exerts stronger Influence Than Precipitation on Mesoscale Soil …
In their study, Dong and Ochsner (2018) used an extensive dataset of 18 cosmic-ray neutron rover surveys to assess the influence of precipitation and soil texture on mesoscale soi…
Geochemistry of paleokarst-hosted uranium anomalies at Abu Zarab area, southwestern Sinai, Egypt
Abu Zarab locality is a part from Um Bogma area in southwestern Sinai, Egypt, where paleokarsts are widespread, especially in carbonate rocks. Abu Zarab area is covered by Carboni…
Influence of projected climate change, urban expansion and heat adaptation strategies on end of 21st century urban boun…
The urban environment directly influences the evolution of the Urban Boundary Layer (UBL). Heat adaptation strategies proposed to help cities respond to global change and urban in…
Vegetation affects timing and location of wetland methane emissions
Common assumptions about how vegetation affects wetland methane (CH) flux include acting as conduits for CH release, providing carbon substrates for growth and activity of methano…
Machine Learning Techniques for Regional Scale Estimation of High- Resolution Cloud-Free Daily Sea Surface Temperatures…
High-resolution sea surface temperature (SST) estimates are dependent on satellite-based infrared radiometers, which are proven to be highly accurate in the past decades. However,…
Improving Phosphorus Use Efficiency in Cropland to Address Phosphorus Challenges by 2050
Applying Phosphorus (P) to global cropland supports crop growth and helps to address the increasing global food demand. However, poor management of P application leads to nutrient…
Assessing historical variability of South Asian monsoon lows and depressions with an optimized tracking algorithm
Cyclonic low-pressure systems (LPS) produce abundant rainfall in South Asia, where they are traditionally categorized as monsoon lows, monsoon depressions, and more intense cyclon…
Automated identification of South Asian monsoon low pressure systems: Historical variations across reanalysis products
Synoptic-scale cyclonic vortices produce abundant rainfall in South Asia, where these low pressure systems (LPS) are traditionally categorized as monsoon lows, monsoon depressions…
Characteristics of atmospheric aerosols over the UAE inferred from CALIPSO and Sun Photometer Aerosol Optical Depth
This study provides insights on the composition and variability of atmospheric aerosols over the United Arab Emirates (UAE) by analyzing the atmospheric conditions together with 1…
A reconstruction algorithm for temporally aliased seismic signals recorded by the InSight Mars lander
The NASA InSight lander successfully placed a seismometer on the surface of Mars. Alongside, a hammering device was deployed that penetrated into the ground to attempt the first m…
Impact of GOLD Retrieved Thermospheric Temperatures on a Whole Atmosphere Data Assimilation Model
The present investigation evaluates the assimilation of synthetic data which has properties similar to actual Global-scale Observations of the Limb and Disk (GOLD) level-2 (L2) an…
Mechanical forcing of convection by cold pools: collisions and energy scaling.
Forced mechanical lifting through cold pool gust fronts can trigger new convection, and previous work highlights the role played by collisions between cold pools. However, as conc…
Exploring the phase partitioning in different cloud types using active and passive satellite sensors
One of the largest uncertainties in numerical weather prediction and climate models is the representation of mixed-phase clouds, in which supercooled liquid water and ice can coex…
Using field observations to derive monitoring implications: New insights from the recent activity of Nyiragongo (Democr…
The Mount Nyiragongo volcano is known for its active lava lake and for major socio-economic issues raising from future possible eruptive events having global impacts on the whole …
Seismic Imaging Of an Intracrustal Deformation In the Northwestern Margin Of the South China Sea: the Role Of a Ductile…
The continental margins of the South China Sea (SCS) have undergone episodic rifting since the Cenozoic, and there are great divergences in processes of the crustal deformation an…
Coastal upwelling events, salinity stratification, and barrier layer observed along the southwestern coast of Sumatra
Coastal upwelling along the southwestern coast of Sumatra is a seasonal upwelling that occurs in areas of high sea surface temperature and abundant precipitation at the southeaste…
Quantification of Carbon Dioxide Gas Transfer Velocity by Scaling from Argon through Dual Tracer Gas Additions in Mount…
Quantification of the rate of gas exchange across the air-water interface is essential in understanding the biogeochemical cycling of carbon in mountain streams. However, estimati…
Automatic Detection and Classification of Orographic Precipitation using Machine Learning
Ground-clutter is a major cause of large detection and underestimation errors in satellite-based (e.g. Global Precipitation Measurement Dual Polarization Radar, GPM DPR) precipita…
Deep brittle-ductile transition, water percolation into the mantle and reactivation of weakness zone: new insights of t…
Four transform faults and three intra-transform segments located at Equatorial Atlantic form the Saint Paul Transform System (SPTS), with a long-offset of 630 km. In the northern …
Spectral possibility distribution of closed connected water and remote sensing statistical inference for lacustrine yel…
The traditional ocean color remote sensing usually focuses on using optical inversion models to estimate the properties of in-water components from the above-surface spectra, so w…
Effects of Microphysical Processes on the Precipitation Spectrum in a Strongly Forced Environment
This study investigates the effects of microphysical processes on the precipitation spectrum in a strongly forced environment using a vector vorticity cloud-resolving model (VVM).…
Studying Soil and Tree Stem Respiration in Mediterranean oak forest using the Respiratory Quotient
Forests exchange CO and O with the atmosphere at similar molar ratios. Correspondingly, the apparent respiratory quotient (CO/O flux ratio, ARQ) is expected to be ≈1 given the sto…
Magnetospheric Drivers of Auroral Variations at Jupiter
Although mass and energy in Jupiter's magnetosphere mostly come from the innermost Galilean moon Io's volcanic activity, solar wind perturbations can play crucial roles in releasi…
Role of the b value in quantifying the Size Distribution of Aftershocks
This article objectively estimates the spatiotemporal evolution of b values before and after two large earthquakes during 2000-2019 along the Longmenshan fault. We apply the Akaik…
External forcing explains recent decadal variability of the ocean carbon sink
The ocean has absorbed the equivalent of 39% of industrial-age fossil carbon emissions, significantly modulating the growth rate of atmospheric CO2 and its associated impacts on c…
Variation of Jupiter’s Aurora Observed by Hisaki/EXCEED: 4. Quasi-Periodic Variation
Quasi-periodic variations of a few to several days are observed in the energetic plasma and magnetic dipolarization in Jupiter’s magnetosphere. Variation in the plasma mass flux r…
Variations in the P-T-t of Deformation in a Crustal-Scale Shear Zone in Metagranite
Deformation in crustal-scale shear zones occurs over a range of pressure-temperature-time (P-T-t) conditions, both because they may be vertically extensive structures that simulta…
A Global Survey of Lithospheric Flexure at Steep-Sided Domical Volcanoes on Venus Reveals Intermediate Elastic Thicknes…
Topographic flexure in response to vertical loads reveals key lithospheric properties, including elastic thickness and the heat flow from the interior. Flexural stresses may also …
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