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Showing 4951 to 5000 of 59105 works
Investigation of the Relationship between Geomagnetic Activity and Solar Wind Parameters Based on A Novel Neural Networ…
Predicting geomagnetic conditions based on in-situ solar wind observations allows us to evade disasters caused by large electromagnetic disturbances originating from the Sun to sa…
Upscaling the permeability properties using multiscale X-ray-CT images with digital rock modeling and deep learning tec…
This study presents a workflow to predict the upscaled absolute permeability of the rock core direct from CT images whose resolution are not sufficient to allow direct pore-scale …
Seasonal and interannual Variability of the Subtropical South Indian Ocean Sea Surface Salinity Maximum
The sea surface salinity (SSS) maximum of the South Indian Ocean (the SISSS-max) is a high-salinity feature centered at 30°S, 90°E, near the center of the South Indian subtropical…
The varying Earth’s radiative feedback connected to the ocean energy uptake: a theoretical perspective from conceptual …
When quadrupling the atmospheric CO$_{2}$ concentration in relation to pre-industrial levels, most global climate models show an initially strong net radiative feedback that signi…
Pemetaan Pola Aliran Air Tanah di Sekitar Kali Sumpil Kota Malang (Groundwater flow mapping in Sumpil Riverbank, Malang…
IDN Penelitian ini dilakukan dengan tujuan untuk memetakan pola aliran air tanah di sekitar Kali Sumpil di wilayah Kota Malang. Lokasi penelitian ini adalah di segmen Kali Sumpil …
Ionospheric Plasma Depletions at Mars Observed by the MAVEN spacecraft
The Martian ionosphere, modulated by the solar wind from the topside and remnant crustal magnetic fields close to the surface, possesses unique structures different from Earth and…
Stable water isotopologue fractionation during soil-water evaporation: Analysis using a coupled soil-atmosphere model
Stable water isotopologues tend to fractionate from ordinary water during evaporation processes resulting in an enrichment of the isotopic species in the soil. The fractionation p…
Global Dust Cycle and Direct Radiative Effect in E3SM Version 1: Impact of Increasing Model Resolution
14 15 Key Points: 16 (1) E3SMv1 captures spatial and temporal variability in the observed dust aerosol optical 17 depth, but underestimates long-range transport. 18 (2) The net di…
A novel high-resolution in situ tool for studying carbon biogeochemical processes in aquatic systems: The Lake Aiguebel…
Lakes and reservoirs are a significant source of atmospheric methane (CH 4 ), with emissions comparable to the largest global CH 4 emitters. Understanding the processes leading to…
Constraining Europa's subsolar atmosphere with a joint analysis of HST spectral images and Galileo magnetic field data
We constrain Europa’s tenuous atmosphere on the subsolar hemisphere by combining two sets of observations: oxygen emissions at 1304 Å and 1356 Å from Hubble Space Telescope (HST) …
Extending Height Above Nearest Drainage to Model Multiple Fluvial Sources in Flood Inundation Mapping Applications for …
Height Above Nearest Drainage (HAND), a drainage normalizing terrain index, is a means able of producing flood inundation maps (FIMs) from the National Water Model (NWM) at large …
Accumulation Rates and Chronologies from Depth Profiles of 210Pb in Sediments of Northern Beibu Gulf, South China Sea
Being a complex environment subject to coastal and marine processes, little is understood concerning the evolution of northern Beibu Gulf and the human impacts on its ecosystem. S…
Report from the 17th International Conference on Thermochronology
The 17th International Conference on Thermochronology (Thermo2021) was held in Santa Fe, New Mexico, on September 12-17, 2021. This bi-annual conference series evolved via the coa…
Rethinking Committee Work in the Research Enterprise: The Case of Regenerative Gatekeeping
Committees touch nearly every facet in the science, technology, engineering, and mathematics (STEM) research enterprise. However, the role of gatekeeping through committee work ha…
Extratropical intraseasonal signals along the subtropical westerly jet as a window of opportunity for subseasonal predi…
Previous studies suggest that boreal summer intraseasonal variations along the subtropical westerly jet (SJ), featuring quasi-biweekly periodicity, frequently modulate downstream …
Balancing the marine sulfur cycle
Sulfate (SO42-) reduction is a major SO42- output flux from Earth’s oceans, but an imbalance between recent estimates of this flux and corresponding input fluxes suggests inaccura…
Climate Sensitivity to Volcanic Aerosol Forcing
Volcanic aerosol forcing has been reported in the literature to be less effective in changing the earth’s surface temperature than CO2 forcing. This implies a different feedback s…
Curating flood extent data and leveraging citizen science for benchmarking machine learning solutions
We present a labeled machine learning (ML) training dataset derived from Sentinel 1 C-band synthetic aperture radar (SAR) data for flood events. In this paper, we detail the steps…
Can we observe near-inertial waves by using lowered Acoustic Doppler Current Profiler?
Feasibility of observing near-inertial waves with a single cast of a lowered Acoustic Doppler Current Profiler is quantitatively assessed in simulated Garrett-Munk internal waves.…
Effect of Grain Shape and Relative Humidity on the Nonlinear Elastic Properties of Granular Media
This study focuses on unraveling the microphysical origins of the nonlinear elastic effects, which are pervasive in the Earth’s crust. Here, we examine the influence of grain shap…
On the Variation of Column $O/N\textsubscript{2} $ in the upper atmosphere using Principal Component Analysis in 2-dime…
Day-to-day variability in thermospheric composition is driven by solar, geomagnetic and meteorological drivers. The ratio of the column density of atomic oxygen and molecular nitr…
The Bidahochi Basin hypothesis: Hopi Buttes volcanics and paleolake marks location of local, small-scale lithosphere fo…
Spatial correspondence of topographic features, upper mantle structure, and locations of heightened late Miocene exhumation rates has led to the proposal that lithosphere-asthenos…
Carbon fluxes in spring wheat agroecosystems in India
Carbon fluxes from agroecosystems contribute to the variability in the carbon cycle and atmospheric [CO 2 ]. In this study, we used the Integrated Science Assessment Model (ISAM) …
Spatial Sensitivity of Complex Network Communities in the Amazon Basin in Relation to the Minimum Link Value
The complex network is a method with a high flexibility and easy application. Complex Network allows extracting relevant information from the system, like its organization and dyn…
Impact of horizontal resolution on the robustness of radiation emulators in a numerical weather prediction model
Developing a radiation emulator based on machine learning in a weather forecasting model is valuable because it can significantly improve the computational speed of forecasting se…
Using satellite based AOD to estimate particulate matter in Qatar
We used a combination of daily aerosol optical depth (AOD) data from the Moderate Resolution Imaging Spectro-radiometer (MODIS) and ground measurements using a Dylos air quality m…
Holocene water balance variations in Great Salt Lake, Utah: application of GDGT indices and the ACE salinity proxy
Great Salt Lake (UT) is a hypersaline terminal lake in the US Great Basin, and the remnant of the late glacial Lake Bonneville. Holocene hydroclimate variations cannot be interpre…
Economically optimizing elevation of new, single-family residences for flood mitigation via life-cycle benefit-cost ana…
Construction with freeboard – vertical height of a structure above the minimum required – is commonly accepted as a sound investment for flood hazard mitigation. However, determin…
The nonlinear impact of surface forcing changes on bottom water formation and overturning in the Southern Ocean
Two coupled climate models, differing primarily in horizontal resolution and treatment of mesoscale eddies, were used to assess the impact of perturbations in wind stress and Anta…
Mantle Thermochemical Variations beneath the Continental United States Through Petrologic Interpretation of Seismic Tom…
The continental lithospheric mantle plays an essential role in stabilizing continents over long geological time scales. Quantifying spatial variations in compositional and thermoc…
Monitoring the CO2 Plume Migration during Geological Carbon Storage using Spatiotemporal Clustering
Precision monitoring of the subsurface carbon-dioxide plume ensures long-term, sustainable geological carbon storage. Carrigan et al. (2013) and Yang et al. (2014) showed that ele…
Modeling the impact of moulin shape on subglacial hydrology
Subglacial models represent moulins as cylinders or cones, but field observations suggest the upper part of moulins in the Greenland Ice Sheet have more complex shapes. These more…
Incoherency in Central American hydroclimate proxy records spanning the last millennium
Continued global warming is expected to result in drying of Central America, with projections suggesting a decrease in precipitation. Poor hindcasting of precipitation, however, d…
Quantifying the impact of bedrock topography uncertainty in Pine Island Glacier projections for this century
The predicted Antarctic contribution to global-mean sea-level rise is one of the most uncertain among all major sources. Partly this is because of instability mechanisms of the ic…
Machine learning and shallow groundwater chemistry to identify geothermal prospects in the Great Basin, USA
This study discovers various geothermal prospects in the Great Basin, USA based on shallow groundwater chemical (geochemical) data. The geochemical data are expected to include hi…
Linking the Jehol Biota evolution to the Early Cretaceous volcanism during the North China craton destruction: insights…
The Early Cretaceous Jehol Biota evolution has remarkable spatiotemporal correlation with the destruction of the North China craton though the coupling mechanism remains enigmatic…
Enhanced weathering triggered the transient oxygenation event at ~1.57 Ga
The mid-Proterozoic (~1.8–0.8 Ga) is characterized by low atmospheric oxygen and pervasive oceanic anoxia, with transient oxygenations. One of the prominent oxygenation events hap…
Spatial extent of the mid- to late Holocene sedimentary record of tsunamis along the Southern Kuril Trench, Hokkaido, J…
Infrequent megathrust earthquakes, with their complex cycles and rupture modes, require a high-resolution spatiotemporal record of tsunami inundations over thousands of years to p…
Machine learning of source spectra for large earthquakes
The shape of earthquake source spectra, traditionally fit by physics-based models, contains important parameters to constrain rupture dimension, duration, and geometry. Here we ap…
Improving groundwater storage change estimates using time-lapse gravimetry with Gravi4GW
Time-lapse gravimetry (repeat microgravity measurement) is a powerful tool for monitoring temporal mass distribution variations, including seasonal and long-term groundwater stora…
Remote Sensing Based Methods to Retrieve UVSQ-SAT Cubesat Attitude to Map the Earth's Radiation Budget.
The terrestrial energy balance represents a measure of the excess energy stored in the climate system. A possible measurement of this variable can be made at the top of the atmosp…
Smartphone-based High Throughput Phenotyping on Wheat Field
The field is not always easy for plant phenotyping using conventional phenotyping platforms due to the limited accessibility and regulated aviation area. Smartphone-triggered grou…
A novel high-throughput method for the 4D morphological phenotyping of germinating seedlings
In an increasingly digitised and data-driven world, there is a pressing need for globally reproducible high-throughput morphological phenotyping, which provides quantitative and o…
Recognizing and overcoming context dependency in the application of a machine learning tool for counting stomata in Set…
Stomata, microscopic pores on leaf surfaces, regulate the uptake of carbon dioxide and the simultaneous loss of water vapor by leaves. New image acquisition and analysis methods a…
A Platform to Quantify Phenotypic Responses to Root-Root Interactions Among Common Beans
Quantifying phenotypes of root-root interactions would allow a greater understanding of how plants react to belowground competition through plasticity of architectural traits. Pas…
Did the Global Wheat Head Challenges solve wheat head counting ?
For field workers around the world, wheat trials are often synonymous with wheat heads counting: a tedious but important task to measure this important yield component. Deep Learn…
Strain signals governed by frictional-elastoplastic interaction of the upper plate and shallow subduction megathrust in…
Understanding the behavior of the shallow portion of the subduction zone, which generates the largest earthquakes and devastating tsunamis, is a vital step forward in earthquake g…
Science of cloud and climate science: An analysis of the literature over the past 50 years
Clouds pose a particularly difficult challenge within Earth’s climate system. They are relatively small in spatiotemporal scale but still have a strong influence on radiative flux…
Imaging and modelling the impact of multi-scale pore connectivity on two-phase flow in mixed-wet rock
The wetting properties of pore walls have a strong effect on multiphase flow through porous media. However, the fluid flow behaviour in porous materials with both complex pore str…
Analysis of the dynamic mechanisms of upwelling in deep ocean water caused by typhoons
A typhoon (hurricane) is a very strong local disturbance that can affect ocean water as deep as 1000 m. According to observations and numerical simulations, the decrease in ocean …
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