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Showing 11951 to 12000 of 22070 works

Testing the Effects of Velocity Models for Seismic Location in the DNE18 Virtual Experiment

The Dynamic Network Experiment 2018 (DNE18) was a virtual experiment designed to quantitatively assess current capabilities for multi-modal data ingestion and processing for nucle…

A Space-Time Modeling Framework for Projection of Seasonal Streamflow Extremes

We developed a space-time model to project seasonal streamflow extremes on a river network for at several lead times. In this, the extremes – 3-day maximum streamflow - at each ga…

Decomposition of the effects on regional climate from recent historical land cover changes in Europe

Land cover changes (LCC) show biophysical effect on regional climate because they modify the land surface albedo, evapotranspiration, and surface roughness. Many previous studies …

Roles of Wet and Dry Components of Moist Isentropic Mass Circulation in Changing the Extratropical Surface Temperature …

This study separates the dry and wet components of the moist isentropic mass circulation (MIMC) on daily timescale and investigates their relationships with extratropical surface …

How Extreme Apparitions of the Anthropogenic West African Aerosol Plume cause Drought in the Iberian Peninsula, Floods …

The literature, Inter Governmental Panel on Climate Change (IPCC) and the USA Climate Change Science Program suggest that aerosols can affect the large-scale atmospheric circulati…

A generalized interpolation material point method for shallow ice shelves. Part I: shallow shelf approximation and ice …

We develop a generalized interpolation material point method (GIMPM) for the shallow shelf approximation (SSA) of ice flow. The GIMPM, which can be viewed as a particle version of…

Arabian Sea - A Memory Bank for The Indian Summer Monsoon Signals

Indian Summer and Winter monsoon winds are major drivers of the mixed layer processes in the Arabian Sea. Our study shows that the Arabian Sea ‘traps’ the Indian Summer Monsoon (I…

The impact of modified rate of precipitation conversion parameter in the convective parameterization scheme of operatio…

The performance of present operational global forecast system (GFS) at T1534 (~12.5 km) horizontal resolution with modified fractional cloud condensate to precipitation conversion…

Response of a seasonally dry tropical forest to interannual rainfall variability

Seasonally dry tropical forests (SDTFs) are well adapted to seasonal and interannual rainfall variability and have mechanisms to control growth dynamics under water limitation. Th…

Web Geoprocessing Services for Disseminating and Analyzing SMAP Derived Soil Moisture Data Products

Soil moisture is an essential metric to understand crop condition throughout the growing season. Collecting soil moisture data by field observation is time-consuming and labor-int…

Precipitation Microphysics and Rainfall Retrieval in Three Typical Regions of Western Pacific

Raindrop size distribution (DSD) measurements were taken with an onboard OTT Particle Size Velocity (Parsivel) disdrometer over the western Pacific during a marine survey from Jun…

Plagioclase-regulated hydrothermal alteration of basaltic rocks at a rifting margin of the South China Sea: Geochemistr…

IODP Hole U1502B penetrates >180 m into the crystalline basement generated at a rifting margin of the South China Sea (SCS), which is the first confirmed intermediate-type margin …

Produced water treatment and reuse in hydraulic fracturing: Using laboratory research to select and implement technolog…

Reusing produced water for hydraulic fracturing simultaneously satisfies challenges of fresh water sourcing and the design/operation of an extensive disposal well infrastructure. …

Magnetic anomalies caused by 2D polygonal structures with uniform arbitrary polarization: new insights from analytical/…

Since the ’60s of the last century, the calculation of the magnetic anomaly caused by 2D uniformly-polarized bodies with polygonal cross-section was mainly performed using the pop…

The Spring Festival Effect on air quality in the megacities of China: View from space

The Spring Festival is the most important holiday in China, human activity and population mobility may contribute greatly to air quality, especially in the megacities. According t…

Changes in stress state and seismicity pattern responsible for the 2019 Ridgecrest, California, earthquakes

Monitoring stress state in the Earth’s crust plays a crucial role in our understanding of an earthquake’s mechanism, especially how earthquake ruptures nucleate, as well as in cal…

Improved Analysis of STEVE Photographs

We present a new approach for the analysis of high-resolution digital camera photographs taken by photographers who have fortuitously been able to capture rare events such as the …

Electrical conductivity in texturally equilibrated fluid-bearing forsterite aggregates at 800 ºC and 1 GPa: implication…

Aqueous fluids are one of the principal agents of chemical transport in Earth´s interior. The precise determination of fluid fractions is essential to understand bulk physical pro…

Multi-Proxy, Multi-Season Streamflow Reconstruction with Mass Balance Adjustment

Despite having offered important hydroclimatic insights, streamflow reconstructions still see limited use in water resources operations, because annual reconstructions are not sui…

Informing Improvements in Microwave Freeze/Thaw Products using High-Resolution Temperature Data Over North America

Existing global FT records, derived from the Soil Moisture Active Passive (SMAP), the Advanced Scanning Microwave Radiometer (AMSR), and the Special Sensor Microwave Imager (SSM/I…

Variability of the Atlantic Ocean North Equatorial Counter Current from 15 years of ADCP Observations and GLORYS12V1 Re…

Ocean current observations from different seasons of 15 years of vessel-mounted Doppler Current Profiler, merely from the PIRATA program, and drifters-derived near-surface current…

Effects of organized mesoscale heating on the MJO and precipitation in E3SMv1

Mesoscale organization of convection is typically not represented in global circulation models, and hence its influence on the global circulation is not accounted for. A parameter…

Quantifying importance of macrobenthos for benthic-pelagic coupling in a temperate coastal shelf sea

Benthic oxygen fluxes consist of advective and diffusive terms. Both terms in the south-eastern North Sea exhibit a prominent annual cycle but with opposite variation patterns. To…

A coupled approach to incorporating deep learning into process-based hydrologic modeling

Machine learning techniques have proven useful at predicting many variables of hydrologic interest, and often out-perform traditional models for univariate predictions. However, d…

Impacts on College and Graduate Student Mentors from Guiding Secondary Students in a Community-based Climate Change Out…

Mentorship experience can be transformational for college and graduate students as they learn how to talk about their science field, articulate their work, learn how to listen, an…

Spiral Radiation Pattern of a Relativistic Charged Particle in a Periodic Motion Explained With Bremsstrahlung Asymmetr…

The forward peaking radiation pattern of a single particle with an increasing particle velocity is well-established knowledge. Further details of a single particle radiation patte…

Diurnal sea surface temperature drives turbulence in the tropical atmospheric mixed layer

Absorption of sunlight forms a diurnal warm layer (DWL) in the afternoon at the surface and upper meters of the ocean when wind is weak. Analyses using models and remote sensing d…

Amorphization of S, Cl-salts induced by Martian Dust Activities

A high proportion of non-crystalline (X-ray-amorphous) components has been found in all samples analyzed by CheMin on the Curiosity rover at Gale crater on Mars, and such X-ray-am…

Analysis of 3D kinetic simulations of meteor trails

Radars detect plasma trails created by the billions of small meteors that impact the Earth’s atmosphere daily, returning data used to infer characteristics of the meteoroid popula…

Long-term Indian Ocean tsunami record reveals alternating event clusters punctuated by quiet interludes

[ The analyses of sediment cores retrieved near Port Blair (South Andaman) revealed alternate bands of out-of-sequence layers at various depths identified by their sediment charac…

Bayesian Model for HOPE Mass Spectrometers on Van Allen Probes

Space instruments rely heavily on modeling to predict and understand the instrument response, enabling a determination of the capabilities and resolution. The Bayesian approach pr…

ENSO and SAM influence on the generation of long episodes of Rossby Wave Packets during Southern Hemisphere Summer

This study aims at understanding the impact of low-frequency climate modes on Rossby Wave Packets (RWPs) during the southern hemisphere summer. In particular, we focus on long-liv…

New Method in Calculating Schumann Resonances and Finding Octave relationship between the Schumann Resonances Using Ele…

There are different numerical models, such as the transmission-line matrix model or partially uniform knee model used to predict Schumann radiation. This report introduces a new m…

What martian meteorites reveal about the interior and surface of Mars

Martian meteorites are the only direct samples from Mars, thus far. Currently, there are a total of 262 individual samples originating from at least 11 ejection events. Geochemica…

Lithospheric Structure of Africa and Surrounding Regions Revealed by Earthquake and Ambient Noise Surface Wave Tomograp…

To advance the understanding of the tectonic processes shaping the African continent, we construct the first continental-scale shear-wave velocity (Vs) model of the crust and uppe…

Dynamics of Electron Flux in the Slot Region and Geomagnetic Activity

The slot region between the radiation belts in the magnetosphere is considered to be stable and safe for satellite missions, but strong disturbances during space weather events ca…

Impact of volatiles and variations in local bulk composition on deformation and magma emplacement processes in the deep…

The coupling of CO2 emissions and tectonic activity in active plate margins is becoming increasingly prominent, as remote sensing techniques make this relationship readily observa…

Sea Surface Temperature Contrast in Tropical World: Part 1 Mean State 2

4 Key Points: 5 • The SST contrast increases with warming, primarily because the clear-sky green-6 house effect feedback is stronger in the warm region. 7 • As the climate warms, …

Molecular links between whitesand ecosystems and blackwater formation in the Rio Negro watershed

Tropical rivers constitute a major portion of the global aquatic C flux entering the ocean, and the Rio Negro is one of the largest single C exporters with a particularly high exp…

Evidence of recurrent mass movement in front of the maximum slip area of the 1960 Chile earthquake: Implications for ri…

We present evidence that suggests a new risk scenario for the Valdivia basin in south Chile, located in the area of the magnitude 9.5 1960 earthquake. In 1960, three mass movement…

Flux Ropes Are Born in Pairs: An Outcome of Interlinked, Reconnecting Flux Tubes

Flux transfer events are transient magnetized plasma structures that are self-balancing, rope-like phenomena that can appear at the Earth's magnetopause when the interplanetary ma…

Function Space Optimization: A symbolic regression method for estimating parameter transfer functions for hydrological …

Estimating parameters for distributed hydrological models is a challenging and long studied task. Parameter transfer functions, which define model parameters as functions of geo-p…

A comparison between sea-bottom gravity and satellite altimeter-derived gravity in coastal environments:A case study of…

The marine gravity field derived from satellite-altimetry is generally biased, in coastal areas, by signals back-scattered from the nearby land. As a result, the derived gravity a…

Mapping Benthic Habitat on the West Florida Shelf Using Multibeam Acoustics and Towed Underwater Video to Improve Fishe…

The West Florida Shelf (WFS) is an extremely important area for both commercial and recreational fisheries. However, the lack of habitat maps in this area makes planning fisheries…

Ocean-only FAFMIP: Understanding Regional Patterns of Ocean Heat Content and Dynamic Sea Level Change.

There is large uncertainty in the future sea level change at regional scales under anthropogenic global warming. This study uses a novel design of ocean-only general circulation m…

Increasing Earth System Sensitivity in mid-Pliocene simulations from CCSM4 to CESM2

Three new equilibrium Mid-Pliocene (MP) simulations are implemented with the Community Climate System Model version 4 (CCSM4), Community Earth System Model version 1.2 (CESM1.2), …

Anthropogenic intensification of surface ocean interannual pCO2 variability

We use global coupled atmosphere-ocean-biogeochemistry models from the Coupled Model Intercomparison Project (CMIP5), under the RCP8.5 scenario, to show that the global interannua…

Evaluation of the effect of low soil temperature stress on the land surface energy fluxes simulation in the site and gl…

Low soil temperature stress is a critical factor affecting the root water uptake (RWU) rate of plants. In current land surface models, the RWU amount is determined by the soil wat…

Unable to distinguish between hydroxyl radicals from water ice and hydroxyl groups from methanol using lunar spectral d…

The absorption strength of hydroxyl radicals and hydroxyl groups are all 2.9μm, so it is easy to confuse hydroxyl radicals and hydroxyl groups when interpreting M3 spectra data. I…

A Dispersion Model to Estimate CH 4 emissions from Manure Lagoons in Dairy Farms

Atmospheric concentrations of CH4 have tripled since the Industrial Revolution. One culprit of this increase is animal agriculture, contributing 8 to 10% of global greenhouse gas …

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