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Showing 2951 to 3000 of 59105 works
Automated Bedform Identification - A Meta-Analysis of Current Methods and the Heterogeneity of their Outputs
Ongoing efforts to characterize underwater dunes have led to a considerable number of freely available tools that identify these bedforms in a (semi-)automated way. However, these…
A thermally conductive Martian core and implications for its dynamo cessation
Mars experienced a dynamo process that generated a global magnetic field ~4.3–3.6 Ga. The cessation of this dynamo strongly impacted Mars’ history and is expected to be linked t…
An Improved Pattern Informatics Method for Extracting Ionospheric Disturbances Related to Seismicity Based on CSES Data…
The exploration of multi-layer coupling mechanisms between earthquakes and the ionosphere is crucial for utilizing ionospheric precursors in earthquake prediction. A significant r…
Regression forest approaches to gravity wave parameterization for climate projection
We train random and boosted forests, two machine learning architectures based on regression trees, to emulate a physics-based parameterization of atmospheric gravity wave momentum…
Sea Ice and Ocean Response to a Strong Mid-Winter Cyclone in the Arctic Ocean
Sea ice mediates the exchange of momentum, heat, and moisture between the atmosphere and the ocean. Cyclones produce strong gradients in the wind field, imparting stress into the …
Evidence for Low-Pressure Crustal Anatexis During the Northeast Atlantic Break-up
While basaltic volcanism is dominate during rifting and continental breakup, felsic magmatism may also comprise important components of some rift margins. During International Oce…
Neogene-Recent Reactivation of Pre-Existing Faults in South-Central Vietnam, with Implications for the Extrusion of Ind…
Vietnam contains a complex series of faults coupled with a diffuse igneous province that has been active since the mid-Miocene. However, existing fault maps demonstrate little con…
Investigating the Effect of Snow-Ice Formation on Snow Depth and Density over Arctic Sea Ice
We examined the effect of snow-ice formation on SnowModel-LG snow depth and density products. We coupled SnowModel-LG, a modeling system adapted for snow depth and density reconst…
Data-Driven Parameterization for A Subgrid-Scale Model: Methods for Improving Model Efficiency
Data-driven parameterization schemes have gained much attention in the field of atmospheric science nowadays. We design an ideal case using the Barotropic Vorticity Equation (BVE)…
GLAcier Feature Tracking testkit (GLAFT): a statistically and physically based framework built on top of open science w…
Accurate assessments of glacier velocity are essential for understanding ice flow mechanics, monitoring natural hazards, and projecting future sea-level rise. However, the most co…
How Volcanic Aerosols Globally Inhibit Precipitation
Volcanic aerosols reduce global mean precipitation in the years after major eruptions, yet the mechanisms that produce this response have not been rigorously identified. Volcanic …
High Greenspace Density and Older Housing Causes Elevated Lead and Arsenic Soil Contamination
This study takes a look into public health and its intersections with environmental justice through soil contamination. We studied four San Francisco neighborhoods– two low-income…
Jupyter Book-based Supplemental Material: a FAIR Practice to Connect Research Articles with Scientific Data
Supplemental material (SM; also known as supplementary information) comes with its associated research article and provides study details such as metadata, additional figures and …
Evaluation of CMIP6 HighResMIP in simulating the annual cycle of tropical cyclone activity over the western North Pacif…
Atmospheric general circulation models (AGCMs) and coupled general circulation models (CGCMs) in the High-Resolution Model Intercomparison Project (HighResMIP) were evaluated on t…
A Qualitative Definition of Reliable Water Supply for Public Water Systems
“Reliable water supply” does not have a clear definition in the Western United States, where water resources are limited and such a definition would be especially useful. In Utah,…
Regional benthic δ 18 O stacks for the “41-kyr world” - an Atlantic-Pacific divergence between 1.8-1.9 Ma
Benthic δ 18 O stacks are the benchmarks by which paleoceanographic data are stratigraphically aligned and compared. However, a recent study found that between 1.8-1.9 million yea…
Meridional transport of physical and biogeochemical tracers by Southern Ocean eddies
Meridional eddy transport across the Antarctic Circumpolar Current is an essential component of the global meridional overturning circulation and the transport of climate relevant…
The Complex Role of Storms in Modulating Air-Sea CO2 Fluxes in the sub-Antarctic Southern Ocean.
The intra-seasonal CO2 flux (FCO2) variability across the Southern Ocean is poorly understood due to sparse observations at the required temporal and spatial scales. Twinned Waveg…
Exploring the evolution of turbulence across a range of terrestrial bow shock configurations using hybrid simulations
Observational investigations of Earth's bow shock have highlighted distinct variations in turbulence characteristics when comparing fluctuations in the shock transition with those…
Disentangling forced trends in the North Atlantic jet from natural variability using deep learning
Regional weather variability and extremes over Europe are strongly linked to variations in the North Atlantic jet stream, especially during the winter season. Projections of the e…
Design of Multi-Domain Joint Coding Scheme Based on Circular Mapping
With the rapid development of wireless communication technology and the increasing demand for communication quality in various fields, spread spectrum communication (SSC) and mult…
A Strategy for Underground Hydrogen Containment based on Time-Dependent Yield Stress Materials (H51X-1451 2023 AGU Fall…
Current and emerging approaches to subsurface storage suffer from geographical limitations and in some cases insufficient seal integrity or lateral containment. We propose an inno…
Basal melting and oceanic observations beneath Fimbulisen, East Antarctica
Basal melting of ice shelves is fundamental to Antarctic Ice Sheet mass loss, yet direct observations are sparse. We present the first melt record (2017 to 2021) from a phase-sens…
Artificial deep neural network modeling of solar- and atmospheric-driven ground magnetic perturbations at mid-latitude
Ground magnetic observatories measure the Earth’s magnetic field and its coupling with the solar wind responsible for ionospheric and magnetospheric current systems. Predicting ef…
Characterizing the Mesoscale Cellular Convection in Marine Cold Air Outbreaks with a Machine Learning Approach
During marine cold-air outbreaks (MCAOs), when cold polar air moves over warmer ocean, a well-recognized cloud pattern develops, with open or closed mesoscale cellular convection …
Characterization of Heterogeneous Coastal Aquifers Using A Deep Learning-Based Data Assimilation Approach
Seawater intrusion poses a substantial threat to water security in coastal regions, where numerical models play a pivotal role in supporting groundwater management and protection.…
Novel, speculative highly-scaled carbon removal study on a reduced complexity model, showing a return to preindustrial…
Speculations extend the opportunity space of possible future climates by increasing the potential to provide plausible estimated qualities and quantities to further scientific r…
The impact of subglacial drainage system evolution and glacier lake outburst on Arctic fjord macronutrient dynamics: Ko…
Rapid warming in the Arctic leads to increased glacier melt and freshwater runoff, especially from tidewater glaciers. Here, runoff enters the fjord at depth; induces upwelling an…
Drive-Around Surveys for Detection and Quantification of Methane Leaks Estimating Emission Rates from Drive-Around Surv…
Current MMRV solutions have the potential to quickly survey entire oilfields or detect methane leaks down to the component level, but also carry high price tags or, indirectly, hi…
Strong-motion Broadband Displacements from Collocated Ocean-bottom Pressure Gauges and Seismometers
Dense and broad-coverage ocean-bottom observation networks enable us to obtain near-fault displacement records associated with an offshore earthquake. However, simple integration …
Multigrid spatially constrained dispersion curve inversion: towards distributed acoustic sensing surface wave imaging
Surface wave methods, commonly applied in diverse fields, encounter challenges in complex subsurface environments due to limitations inherent in traditional inversion techniques. …
Rapid degassing in basaltic sills as a source of Deep Long Period volcanic earthquakes
In this paper, we present numerical modeling aimed to explain Deep Long Period (DLP) events occurring in middle-to-lower crust beneath volcanoes and often observed in association …
Identifying climate impacts from different Stratospheric Aerosol Injection strategies in UKESM1
Stratospheric Aerosol Injection (SAI) is a proposed method of climate intervention aiming to reduce the impacts of human-induced global warming by reflecting a portion of incoming…
Statistical properties of inter-event times in seismic time series transformed by occurrence rate: An analysis from the…
Our previous study proposed a Bayesian framework to enhance the approach by the renewal process to forecast earthquakes' timing and tested it in simulated seismicity-like time ser…
Elemental dynamics and interactions in a carbonate-buffered, sulfatic and ferruginous lake
Lake Medard is a recently established post-mining lake in the northwest of Czech Republic that displays significant concentrations of dissolved sulfate (dSO42-) and ferrous iron (…
Sensitivities of Large Eddy Simulations of Aerosol Plume Transport and Cloud Response
Cloud responses to surface-based sources of aerosol perturbation depend in part on the characteristics of the aerosol transport to cloud base and the resulting spatial and tempora…
Properties of Mars' Dayside Low-Altitude Induced Magnetic Field and Comparisons with Venus
Mars and Venus have atmospheres but lack large-scale intrinsic magnetic fields. Consequently, the solar wind interaction at each planet results in the formation of an induced magn…
Seafloor Alteration Governed by Oceanic Crustal Age and Redox Conditions: Insights from Machine Learning-based Elementa…
Newly formed oceanic crust interacts with penetrating seawater, resulting in the formation of secondary minerals. Sediment cover can potentially change the redox conditions of und…
Reversal of Projected European Summer Precipitation Decline in a Stabilising Climate
Precipitation projections in transient climate change scenarios have been extensively studied over multiple climate model generations. Although these simulations have also been us…
Impact-based Skill Evaluation of Seasonal Precipitation Forecasts
Forecasting hydroclimatic extremes holds significant importance considering the increasing trends in natural cascading climate-induced hazards such as wildfires, floods, and droug…
Spectrally Resolved Longwave Surface Emissivity Reduces Atmospheric Heating Biases
Many Earth system models (ESMs) approximate surface emissivity as a constant. This broadband approximation reduces computational burden, yet biases longwave (LW) atmospheric fluxe…
The Impact of Tectonic Setting on Machine Learning Approaches for Earthquake Prediction
In prior decades the concept of using mathematical methods to predict earthquakes was considered infeasible. Recent advances in machine learning and predictive modeling offer prom…
Deploying Cloud-Based Automated Continuous Integration to Assist in the Community Development of GFDL's Finite Volume C…
A major challenge to community code development and management is the testing and validation of public contributions. The community-developed GFDL Finite-Volume Cubed Sphere Dynam…
Chronology of sedimentation and landscape evolution in the Okavango Rift Zone, a developing young rift in southern Afri…
The Kalahari Basin in southern Africa, shaped by subsidence and epeirogeny, features the Okavango Rift Zone (ORZ) as a significant structural element characterized by diffused ext…
Significance Testing for Cross Correlation: A Critical Examination of Correlations between ENSO and GRACE-Derived Terre…
The linear cross correlation to quantify statistical connections or relationships finds wide applications in various geophysical and geodetic fields. However, there remains a dear…
Using Satellite and ARM Observations to Evaluate Cold Air Outbreak Cloud Transitions in E3SM Global Storm-Resolving Sim…
This study evaluates the performance of a global storm-resolving model (GSRM), the Simple Cloud-Resolving E3SM Atmosphere Model (SCREAM). We analyze marine boundary layer clouds i…
RaFSIP: Parameterizing ice multiplication in models using a machine learning approach
Representing single or multi-layered mixed-phase clouds (MPCs) accurately in global climate models (GCMs) is critical for capturing climate sensitivity and Arctic amplification. I…
ED41C-0935: Long-Duration, Multi-Stage Mars Analog for Testing Human Resilience in Space
The recent advancements in NASA’s analog programs allow scientists to observe the effects of living on other planets safely from Earth, where advanced technology simulates extrate…
Orogen-transverse folding in the North Singhbhum Mobile Belt, India: Role of gravity-driven crustal flows
Many convergent tectonic belts show large-scale transverse folding affecting the earlier fold structures and their associated rock fabrics. The origin of such cross folds is gener…
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