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Showing 10601 to 10650 of 22070 works
Convective System Dynamics Viewed in 3D over the Oceans
A combination of Sentinel-1 and Meteosat datasets in recent studies of the same authors exhibited a link between sea surface wind patterns and deep convective clouds aloft. This o…
Efficiency of the Summer Monsoon in Generating Streamflow within a Seasonally Snow-Dominated Headwater Basin of the Col…
The North American Monsoon occurs July-September bringing significant rainfall to Colorado River headwater basins. This rain may buffer streamflow deficiencies caused by reduction…
H2O windows and CO2 radiator fins: a clear-sky explanation for the peak in ECS
Recent explorations of the state-dependence of Earth’s equilibrium climate sensitivity (ECS) have revealed a pronounced peak in ECS at a surface temperature of approximately 310 K…
From Open Data to Open Science
The open science movement continues to gain momentum, attention and discussion. However, there are a number of different interpretations, viewpoints and perspectives as to what th…
The Warm-period Daily Precipitation Extremes Scaling with Temperature in Eastern China
Using station and reanalysis datasets, the application of C-C scaling in understanding the relation between precipitation extremes and temperature in eastern China has been examin…
Eddy saturation of the Southern Ocean: a baroclinic versus barotropic perspective
“Eddy saturation” is the regime in which the total time-mean volume transport of an oceanic current is relatively insensitive to the wind stress forcing and is often invoked as a …
Simple Topographic Parameter for Along-trench Friction Distribution of Shallow Megathrust Fault
In the 2011 Tohoku-Oki earthquake, the rupture in the subduction megathrust reached the trench axis and triggered a large tsunami. The shallow portion of the subduction megathrust…
3-D Synthetic Modeling of Anisotropy Effects on SS Precursors: Implications for Mantle Flow in the Transition Zone
The Earth’s mantle transition zone (MTZ) plays a key role in the thermal and compositional interactions between the upper and lower mantle. Seismic anisotropy provides useful info…
Analytical assessment of Kelvin-Helmholtz instability growth at Ganymede's upstream magnetopause
Ganymede is the only Solar System moon that generates a permanent magnetic field. Dynamics inside Ganymede’s magnetosphere is likely driven by energy-transfer interactions on its …
First Ethiopian Remote Sensing Satellite (ETRSS-1): Mission information and overview
The amount and quality of land, water and atmospheric information is critical to plan, monitor, predict and mitigate the impacts of climate change, urbanization and population gro…
Moving Forward with Atmospheric Conductivity Research While Adapting to COVID-19 Disruptions
Previous study has shown that atmospheric conductivity variations are larger in amplitude than can be explained by current models. Several possible explanations for these variatio…
Too big to ignore: Global risk perception gaps between scientists and business leaders
As we enter a critical decade that will define our planetary security, two major surveys on the global risks humanity faces have been published just recently. Together these surve…
Monitoring Trends in Grasslands in Central Asia While Accounting for Temporal and Spatial Autocorrelation
Grassland ecosystems cover one-fourth of the global land area and harbor over 30% of the global carbon stored in soils. However, grasslands are subjected to extensive and intensiv…
CO2 increase experiments using the Community Earth System Model (CESM): Relationship to climate sensitivity and compari…
We examine the response of the Community Earth System Model versions 1 and 2 (CESM1 and CESM2) to abrupt quadrupling of atmospheric CO$_2$ concentrations (4xCO2) and to 1% annuall…
Dynamics of Electron-Scale Current Sheet Equilibria based on MMS Observations
The vicinity of the electron diffusion region (EDR) at the core of magnetic reconnection is frequently characterized by agyrotropic electron velocity distributions such as perpend…
Optimizing contact tracing policies to intervene in the spread of COVID-19 in San Francisco, CA
COVID-19 success stories from countries using contact tracing as an intervention tool for the pandemic have motivated US counties to pilot opt-in contact tracing applications. Con…
Direct observation of hillslope scale StorAge Selection functions in an experimental hydrologic system: Geomorphologic …
Spatially-integrated water transport dynamics at the hillslope scale have rarely been observed directly, and underlying physical mechanisms of those dynamics are poorly understood…
Forcing dependence of atmospheric lapse rate changes dominates residual polar warming in solar radiation management cli…
Simulations of solar radiation management (SRM) geoengineering using comprehensive general circulation models (GCM) show a residual surface warming at high latitudes. Previous wor…
The Lunar Geophysical Network Mission
In 2007, the National Academies designated “understanding the structure & composition of the lunar interior” (to provide fundamental information on the evolution of a differentiat…
The Magnetics Information Consortium (MagIC) Data Repository: Interoperability with GeoCodes, EPOS, and Other Informati…
MagIC (earthref.org/MagIC (https://www2.earthref.org/MagIC)) is an organization dedicated to improving research capacity in the Earth and Ocean sciences by maintaining an open com…
Hysteresis analysis of the concentration-discharge relationship, a useful way to assess water quality variables
A large variety of hysteresis shapes is observed in the suspended-sediment concentration-discharge relationship. The analysis of such forms encompasses two main axes; a qualitativ…
The Moderate Size September 2019 Mw5.8 Silivri Earthquake Unveils the Complexity of the Main Marmara Fault Shear Zone
The unbroken section of the North Anatolian Fault beneath the Sea of Marmara is a major source of seismic hazard for the city of İstanbul. The northern and currently the most acti…
Probabilistic reconstruction (or forecasting) of distal runouts of large magnitude ignimbrite PDC flows sensitive to to…
We describe a new method for the reconstruction (or forecast) of probabilities that distal geographic locations were inundated by a large pyroclastic density current (PDC) in term…
Watershed sediment supply and potential impacts of dam removals for an estuary
Observations and modeling are used to assess potential impacts of sediment releases due to dam removals on the Hudson River estuary. Watershed sediment loads are calculated based …
Storms and the Depletion of Ammonia in Jupiter: II. Explaining the Juno observations
Observations of Jupiter’s deep atmosphere by the Juno spacecraft have revealed several puzzling facts: The concentration of ammonia is variable down to pressures of tens of bars, …
Bed particle displacements and morphological development in a wandering gravel-bed river
Bed particles were tracked using passive integrated transponder (PIT) tags in a wandering reach of the San Juan River, British Columbia, Canada, to assess particle movement around…
Ice and Supercooled Liquid Water Distributions over the Southern Ocean based on In Situ Observations and Climate Model …
An evaluation of three climate models is conducted using in situ airborne observations from the Southern Ocean Clouds, Radiation, Aerosol Transport Experimental Study (SOCRATES) c…
Multi-point Conjugate Observations of Dayside ULF Waves during an Extended Period of Radial IMF
Long-lasting Pc5 ultralow frequency (ULF) waves spanning the dayside and extending from L~5.5 into the polar cap region were observed by conjugate ground magnetometers. Observatio…
Teaching the Socially-Situated Nature of Climate Change Science in Technical STEM Courses: A Hurricane Katrina Case Stu…
To address climate change, social issues need to be integrated in geoscience-related STEM research and curriculum. However, social issues are often ignored in STEM fields, even th…
Small Scale dB/dt Fluctuations: Resolving and Exploring Spikes in Global Models
One of the prominent effects of space weather is the variation of electric currents in the magnetosphere and ionosphere, which give rise to rapid geomagnetic field variations on t…
Quantifying Permafrost Deformation with ICESat-2
We use ICESat-2 laser altimetry crossovers and repeat tracks collected over the North Slope of Alaska to estimate elevation changes due to the deformation of seasonally freezing a…
Crustal Magnetic Field Advection on Mars by Ionospheric Plasma Flow
The plasma environment of Mars is highly influenced by crustal remnant magnetism in the planet. In this work, we do statistical analyses of MAVEN and MGS data to study whether the…
A quantitative approach for comparing statistical classifications founded in machine learning and information theory
Statistical classifications and machine-learning-based predictive models are increasingly used for environmental data analysis and management. There now exist numerous classificat…
Spectral Signature of Landscape Channelization
Channel networks increase in complexity as the importance of erosion grows compared to diffusion by soil creep, giving rise to a channelization cascade. In this cascade, smaller c…
The Mystery of Accelerating Turbidity Currents: The Curious Case of the Congo Canyon
Motivated by the remarkably large propagation distances observed in turbidity currents near the mouth of the Congo River in Africa, a new model is proposed for their dynamics. It …
Studying the Effects of the August 2017 Solar Eclipse using LF/MF Signals of Opportunity
We present observations and modeling of Low Frequency (LF; 30-300 kHz) and Medium Frequency (MF; 300-3000 kHz) signals during 21-August-2017 “Great American Solar Eclipse” using N…
Performance Evaluation of DOA Algorithms for Non-uniform Linear Arrays in a Weather-Impacted Environment
Spectrum scarcity has necessitated the migration of radio frequencies from the lower to the higher frequencies. This has resulted in radio propagation challenges due to the advers…
Likely weakening of the Florida Current during the past century revealed by sea-level observations
The Florida Current marks the beginning of the Gulf Stream at Florida Straits, and plays an important role in climate. Nearly continuous measurements of Florida Current transport …
Effects of Sea Star Wasting Disease on Mussel Recruitment
Patterns of recruitment are important when determining community dynamics and adult abundance within an ecosystem. Mussels (Mytilus spp.) are an ecologically important foundation …
The Coupled Evolution of Temperature and Carbonate Chemistry during the Paleocene–Eocene; New Orbital-Resolution Trace …
The “greenhouse” climates of the Paleocene and Eocene have formed the focus for many proxy and modelling studies in recent decades, as they are the closest geological analogues fo…
Bulk, Spectral and Deep-Water Approximations for Stokes Drift: Implications for Coupled Ocean Circulation and Surface W…
Surface waves modify upper ocean dynamics through Stokes drift related processes. Representation of these processes at either resolved or parameterized scales in an ocean model de…
Modeling the Transmission of Optical Lightning Signals through Complex Three-Dimensional Cloud Scenes
Space-based lightning imagers have shown that complex cloud scenes that consist of multiple tall convective features, anvil clouds, and warm boundary cloud layers are illuminated …
Evaluating the potential and challenges of an uncertainty quantification method for long short-term memory models for s…
Recently, recurrent deep networks have shown promise to harness newly available satellite-sensed data for long-term soil moisture projections. However, to be useful in forecasting…
Clouds and Radiation in a mock-Walker Circulation
The Walker circulation connects the regions with deep atmospheric convection in the western tropical Pacific to the shallow-convection, tropospheric subsidence, and stratocumulus …
High Temporal Resolution Satellite Observations of Fire Radiative Power Reveal Link Between Fire Behavior and Aerosol a…
Wildfire smoke influences on air quality and atmospheric chemistry have been underscored by the increasing fire prevalence in recent years, and yet, the connection between fire, s…
Soil Carbon Stock Change Due to Afforestation in Japan by Paired-Sampling Method in an Equivalent Mass Basis
To identify the soil carbon stock change from cropland to forest land in Japan, we compared the soil carbon stock of a cropland and that of an adjacent forest land at 23 different…
Local events based fast RTM surface-offset gathers via dip-guided interpolation
Reverse Time Migration (RTM) Surface Offset Gathers (SOGs) are demonstrated to deliver more superior residual dip information than ray-based approaches. It appears more powerful i…
The fine structure of the subsolar MPB current layer from MAVEN observations: Implications for the Lorentz force.
We report on the local structure of the Martian subsolar Magnetic Pileup Boundary (MPB) from minimum variance analysis of the magnetic field measured by the Mars Atmosphere and Vo…
Impact of mineral dust on summertime precipitation over the Taiwan region
Dust particles are effective ice nuclei and are known to affect precipitation. Here, the possible impacts of mineral dusts on summertime cloud and precipitation over the Taiwan re…
Rotational characterization of seismic events along Chile
We characterize $117$ seismic events occurred in Chile and registered at the Wetzell Geodetic Observatory (BWLRAS) in Germany in terms of rotational seismic parameters. Using the …
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