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Showing 901 to 950 of 8313 works
Gravel-bed river morphodynamic processes throughout a very large flood event from numerical modeling
Due to the lack of numerical modeling and continuous in-situ monitoring of flow and sediment transport data, the mechanism of local-scale morphodynamic processes during very large…
Retrieving precipitable water vapor over land from satellite passive microwave radiometer measurements using automated …
Accurately retrieving precipitable water vapor (PWV) over wide-area land surface remains challenging. Unlike passive infrared remote sensing, passive microwave (PMW) remote sensin…
Environment-modulated glacial seismicity near Dalk Glacier in East Antarctica revealed by deep clustering
East Antarctica constitutes two-thirds of the Antarctic continent, where glacier systems have been thought to be more stable than those in West Antarctica. However, the stability …
Opposite Interdecadal Trends of Summer Atmospheric Rivers over East Asia and Western North Pacific in Recent Decades
The summer atmospheric river (AR) frequency over East Asia and Western North Pacific (EA-WNP) is investigated by multiple AR detection algorithms based on the Atmospheric River Tr…
Unsupervised clustering of oceanic Lagrangian particles: identification of the main pathways of the Labrador Current
Modelled geospatial Lagrangian trajectories are widely used in Earth Science, including in oceanography, atmospheric science and marine biology. The typically large size of these …
Intense Tropical Cyclones in the Western North Pacific under Global Warming: A Dynamical Downscaling Approach
This study aims to assess the impact of global warming on intense TCs over the western North Pacific (WNP) through a dynamical downscaling approach. 379 and 179 TCs reaching Categ…
Imaging a paleovalley with passive seismic methods: Evidence for glacial carving of Unaweep Canyon (Colorado, US)
High-resolution passive seismic imaging of shallow subsurface structures is often challenged by the scarcity of coherent body-wave energy in ambient noise recorded at surface stat…
ResLearner: geophysically-informed machine learning for improving the accuracy of rapid Earth orientation parameters
Rapid provision of Earth Orientation Parameters (EOPs, here polar motion and dUT1) is indispensable in many geodetic applications and also for spacecraft navigation. There are, ho…
Quantifying water cover shifts across the globe: following the steps of walking floods
Floods in ideal landscapes follow a coherent pattern where single water-covered areas expand and afterwards recede following the inverse sequence but deviate in real landscapes, d…
Africa’s Crustal Architecture Inferred from Probabilistic and Perturbational Inversion of Ambient Noise: ADAMA
Africa’s continental crust hosts a variety of geologic terrains and is crucial for understanding the evolution of its longest-lived cratons. However, few of its seismic models are…
The Physical Meaning of Fine-Structure Constant
This paper aims to provide the physical meaning of fine-structure constant through simple mathematical derivations to prove that the value represents a ratio of the distance trave…
Mock-Walker Simulations: Mean Climates, Responses to Warming and Transition to Double-Cell Circulations
Improving understanding of the two-way interactions between clouds and large-scale atmospheric circulations requires modeling set-ups that can resolve cloud-scale processes, while…
Ocean mixing in a shelf sea driven by energetic internal waves
We collected observations of ocean mixing from three moorings placed at the 330m, 200m, and 150m isobaths on a pelagic ridge on the Australian North West Shelf (NWS). The region i…
Frequent but Predictable Droughts in East Africa Driven by A Walker Circulation Intensification
The decline of the eastern East African (EA) March-April-May (MAM) rains poses a life-threatening “enigma,” an enigma linked to sequential droughts in the most food-insecure regio…
High-resolution Precipitation Monitoring with a Dense Seismic Nodal Array
Accurate precipitation monitoring is crucial for understanding climate change and rainfall-driven hazards at a local scale. However, the current suite of monitoring approaches hav…
Influence of Deep-Ocean Warming on Coastal Sea-Level Trends in the Gulf of Mexico
Rates of sea-level rise are increasing across the global ocean. Since $\sim 2008$, sea-level acceleration is particularly pronounced along the US Gulf of Mexico coastline. Here we…
Experimentally derived luminous efficiencies for aluminum and iron at meteoric speeds
Calculating meteoroid masses from photometric observations relies on prior knowledge of the luminous efficiency, a parameter that is not well characterized; reported values vary b…
A water isotopic modelling library for environmental studies
Isotopic composition modelling is a key aspect in many environmental studies. This work presents an open source Python library that estimates isotopic compositions through machine…
Characterization of Anthropogenic Light Pollution via Stratospheric Remote Sensing
1. Abstract The alteration of the natural nighttime environment due to artificial light at night (ALAN) can disrupt ecological systems and affect human health. Inefficiencies in l…
Development of an Epidemic-type Aftershock-sequence Model Explicitly Incorporating the Seismicity-triggering Effects of…
Slow slip events (SSEs) at subduction zone plate boundaries sometimes trigger earthquake swarms and megathrust earthquakes. The causal relationship between SSEs and seismicity has…
Improving Arctic sea-ice thickness estimates with the assimilation of CryoSat-2 summer observations
Rapidly shrinking Arctic sea ice has had significant impacts on the Arctic Ocean and many outer Arctic regions. It is therefore urgently needed to reliably estimate Arctic sea-ice…
Differences in methanogenic pathways and methanogenic communities in paddy soils under three typical cropping modes
Microbial methane (CH4) production varies among different cropping modes,which has important implications for how to reduce CH4 emissions from paddy fields.However,little is known…
Discontinuity in fluvial plastic transport increased by floating vegetation
Understanding plastic mobility in rivers is crucial in estimating plastic emissions into the oceans. Most studies have so far considered fluvial plastic transport as a uniform pro…
Relative contributions of anomalous heat fluxes and effective heat capacity to sea surface temperature variability
Sea surface temperatures (SSTs) vary not only due to heat exchange across the air-sea interface but also due to changes in effective heat capacity as primarily determined by mixed…
Heavy Water Isotope Precipitation in Inland East Antarctica Accompanied by Strong Southern Westerly Winds during the La…
Stable water isotope signals in inland Antarctic ice cores have provided wealth of information about past climates. This study investigated atmospheric circulation processes that …
Assessing food security disruptions in the aftermath of extreme events
Climate change can potentially drive variations in the frequency and magnitude of hydrological extremes, and in turn the impact these events have on agriculture. Agricultural dama…
Mantle Deformation Processes during the Rift-to-Drift Transition at Magma-Poor Margins
The rift-to-drift transition at rifted margins is an area of active investigation due to unresolved issues of the ocean-continent transition (OCT). Deep structures that characteri…
Millimeter Wave Spatial Statistical Channel Model for High-altitude Military UAV Battlefield Situation Awareness
A high-altitude military UAV air-to-ground scenario model is established for the battlefield scenario without base station, the MIMO antenna array technology is used to improve th…
Irrigation quantification through backscatter data assimilation with a buddy check approach
Irrigation is an important component of the terrestrial water cycle, but it is often poorly accounted for in models. Recent studies have attempted to integrate satellite data and …
Is the Madden-Julian Oscillation a Moisture Mode?
The governing thermodynamics of the Madden-Julian Oscillation (MJO) are examined using sounding and reanalysis data. On the basis of four objective criteria, results suggest that …
FloodSafeHome: Evaluating Benefits and Savings of Freeboard for Improved Decision-Making in Flood Risk Mitigation
Freeboardelevation of a structure above the base flood elevation (BFE)is a critical component in mitigating or avoiding flood losses. However, the unrevealed benefits and savings …
Uncertain Benefits of Using Remotely Sensed Evapotranspiration for Streamflow Estimation-Insights from a Randomized, La…
Remotely sensed evapotranspiration (ET RS ) is increasingly used for streamflow estimation. Earlier reports are conflicting as to whether ET RS is useful in improving streamflow e…
A Low-Cost Radiometer for Validation of Landsat's Higher-LevelThermal Products
This research initiative utilizes established methods to ensure ongoing calibration of Landsat’s thermal instruments and to advance the development and validation of the associate…
The theory of cratering statistics: Significant improvements to existing methods for ages, slopes, and plots
Crater counts provide a rich source of information about the history of our solar system, including age estimates of many geologic terrains. In this work we present substantial im…
Comment on “Stratospheric Aerosol Composition Observed by the Atmospheric Chemistry Experiment Following the 2019 Raiko…
This is a comment on the Boone et al. (2022) article. The authors analyzed spaceborne observations of stratospheric aerosol in 2019-2020 . They concluded, the dominating aerosol t…
Benchmarking of machine learning ocean subgrid parameterizations in an idealized model
Recently, a growing number of studies have used machine learning (ML) models to parameterize computationally intensive subgrid-scale processes in ocean models. Such studies typica…
Physics-based dynamic rupture models, fault interaction and ground motion simulations for the segmented Húsavík-Flatey …
We present 3-D spontaneous dynamic rupture earthquake scenarios for the Húsavík–Flatey Fault Zone (HFFZ) in Northern Iceland. We construct three fault system models consisting of …
Muon Flux Variation in Real-time and its Correlation with Space Weather Activity
We present a comparison of the measured cosmic ray (CR) muon fluxes from two identical detectors at different geolocations and their sensitivity to space weather events in real ti…
Closing the reactive carbon flux budget: Observations from dual mass spectrometers over a coniferous forest
We use observations from dual high-resolution mass spectrometers to characterize ecosystem-atmosphere fluxes of reactive carbon across an extensive range of volatile organic compo…
A New Four-Component L*-dependent Model for Radial Diffusion based on Solar Wind and Magnetospheric Drivers of ULF Waves
Waves which couple to energetic electrons are particularly important in space weather, as they drive rapid changes in the topology and intensity of Earth’s outer radiation belt du…
Overturning Pathways Control AMOC Weakening in CMIP6 Models
Future projections indicate the AMOC will weaken and shoal in response to global warming, but models disagree widely over the amount of weakening. We analyse projected AMOC weaken…
Melt network reorientation and crystallographic preferred orientation development in sheared partially molten rocks
As partially molten rocks deform, they develop melt preferred orientations, shape preferred orientations, and crystallographic preferred orientations (MPOs, SPOs and CPOs). We inv…
Triple-Dip La Niña in 2020-22: Impact of Annual Cycle in Tropical Pacific SST
The triple-dip La Niña in 2020-22 is characterized by persisting easterly and southeasterly wind anomalies over the tropical central and southeastern Pacific. Our results show tha…
Balancing EC-Earth3: Improving the performance of EC-Earth CMIP6 configurations by minimizing the coupling cost
Earth System Models (ESMs) are complex systems used in weather and climate studies generally built from different independent components responsible for simulating a specific real…
A Juno-era View of Electric Currents in Jupiter's Magnetodisk
Recent observations from Juno provided a detailed view of Jupiter’s magnetodisk, including its magnetic fields, waves, plasmas and energetic particles. Here, we contribute to Juno…
Irregularities observed at the edge of a mid-latitude ionospheric trough following a geomagnetic storm
This manuscript presents the analysis of data from multiple ground- and space-based sensors in the North American region before, during, and after the 12 Oct. 2021 geomagnetic sto…
Numerical treatment of state-dependent permeability in multiphysics problems
Constitutive laws relating fluid potentials and fluxes in a nonlinear manner are common in several porous media applications, including biological and reactive flows, poromechanic…
Earthquake Early Warning using 3 seconds of records on a single station
We introduce the Ensemble Earthquake Early Warning System (E3WS), a set of Machine Learning algorithms designed to detect, locate and estimate the magnitude of an earthquake using…
Can One Predict Coronal Mass Ejection Arrival Times with Thirty-Minute Accuracy?
J. Schmidt and Cairns (2019) have recently claimed that they can predict Coronal Mass Ejection (CME) arrival times with an accuracy of 0.9+-1.9 hours for four separate events. The…
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