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Showing 16901 to 16950 of 22070 works
Migration of deep convection center in subpolar North Atlantic around 6 ka evidenced by a dinocyst proxy of mixed layer…
This study explores the relationship between dinoflagellate cyst (dinocyst) assemblages and the mixed layer depth (MLD) using canonical correspondence analyses. Our results demons…
Impacts of atmospheric near-surface stability on the Arctic summer air-sea heat budget assessed with uncrewed surface v…
The atmospheric marine boundary layer (AMBL) plays a crucial role in regulating air-sea interactions and influencing the climate system, particularly in the Arctic due to its high…
Sensitivity of Antarctic Bottom Water formation and export to horizontal model resolution
The formation of Antarctic Bottom Water (AABW) is a key process in the global ocean circulation, but modelling the formation and downslope flow of AABW represents an ongoing chall…
Relative Coral Species Fragility Derived from Storm Damage Surveys in Puerto Rico and Florida
Predicting the relative susceptibility of reef areas to storm damage is important to stakeholders. Damage susceptibility depends primarily on exposure to waves and the fragility o…
One-at-a-time Parameter Perturbation Ensemble of the Community Land Model, version 5.1
Comprehensive land models are subject to significant parametric uncertainty, which can be hard to quantify due to the large number of parameters and high model computational costs…
Path Loss Prediction for Vehicle-to-Infrastructure Communications via Synesthesia of Machines (SoM)
In this paper, a new path loss prediction model based on multi-modal sensory data is proposed to enhance the accuracy of path loss prediction in vehicular communication scenarios.…
Magma-Assisted Flexure of Hawaiian Lithosphere Inferred From Three-Dimensional Models of Lithospheric Flexure Constrain…
Reprocessed and newly acquired seismic data provide new constraints on lithospheric flexure profiles beneath the Hawaiian Islands. We use these new observations and three-dimensio…
Mid-Holocene ENSO Variability reduced by northern African vegetation changes: a model intercomparison study
The relationship between the mean state of the Pacific Ocean and El Niño Southern Oscillation (ENSO) and its variability through time is inadequately understood, especially on lon…
Evaluation of flow routing on the unstructured Voronoi meshes in earth system modeling
Flow routing is a fundamental process of Earth System Models’ (ESMs) river component. Traditional flow routing models rely on Cartesian rectangular meshes, which exhibit limitatio…
FORCINN: First-order reversal curve inversion of magnetite using neural networks
First-order reversal curve (FORC) diagrams are a standard rock magnetic tool for analyzing bulk magnetic hysteresis behaviors, which are used to estimate the magnetic mineralogies…
Thermospheric orthohelium, He(23S), variations associated with a moderate storm in February 2023: the NIRAS-2 observati…
This study presents time variability of metastable orthohelium, He(23S), in polar region associated with a geomagnetic storm for the first time. Continuous 17-nights dataset of He…
XIS-Temperature: A daily spatiotemporal machine-learning model for air temperature in the contiguous United States
The challenge of reconstructing air temperature for environmental applications is to accurately estimate past exposures even where monitoring is sparse. We present XGBoost-IDW S…
Big Decisions from Small Experiments: Observational strategies for biomass-based marine CO2 removal
Biomass-based marine CO2 removal (mCDR) aims to harness photosynthetic organisms to remove excess CO2 from the atmosphere and sequester that fixed carbon in a long-lived marine re…
Biological responses to ocean acidification are changing the global ocean carbon cycle
Increased oceanic uptake of CO2 due to rising anthropogenic emissions has caused lowered pH levels (ocean acidification) that are hypothesized to inhibit biotic calcification and…
Quantitative Evidence of Improved Estimates of Earth’s Carbon Cycle Component
The global carbon budget imbalance encapsulates the inaccuracies in state-of-the-art estimates of anthropogenic carbon dioxide emissions, land and ocean uptake, and atmospheric gr…
Forecasting Permafrost Carbon Dynamics in Alaska with Earth Observation Data and Artificial Intelligence
Complex non-linear relationships exist between the permafrost thermal state, active layer thickness, and terrestrial carbon cycle dynamics. In Arctic and boreal Alaska, large u…
Groundwater level projections for aquifers affected by annual to decadal hydroclimate variations
In a context where anticipating future trends and long-term variations in water resources is crucial, improving our knowledge about most types of aquifer responses to climate vari…
Circulation and cloud responses to patterned SST warming
The climatological atmospheric circulation is key to establishing the tropical ‘pattern effect’, whereby cloud feedbacks induced by sea surface temperature (SST) warming depend on…
Impact of Sudden Stratospheric Warming and Elevated Stratopause Events on the Very Low Frequency Radio Signal
Sudden Stratospheric Warmings (SSW) and Elevated Stratopause (ES) events are mid-to-high latitudinal, atmospheric wave-driven phenomena leading to significant changes in wind, tem…
Imaging Extreme Aurora with Ionospheric TEC Imaging the May 2024 Extreme Aurora with Ionospheric Total Electron Content
TEC maps show the intensification and spread of the 11 May 2024 extreme auroral event across the continental US over a 20-minute interval. All sky camera imagery indicates that th…
A machine learning tool for determining the required sample size for GEV fitting in climate applications
Extreme climate events (ECEs) like fires, floods, and heatwaves significantly impact people, communities and the environment and climate change is modifying their occurrence. Gene…
Mars as a Comet: Local Generation of Mirror Modes by Pickup Protons
Mirror mode structures are born from a plasma instability driven by a large temperature anisotropy and appear downstream of planetary and interplanetary shocks, in their magnetosh…
Impact of Sudden Stratospheric Warmings on the Stratosphere-to-Troposphere Transport of Ozone
not-yet-known not-yet-known not-yet-known unknown Sudden stratospheric warmings (SSWs) can significantly impact t…
Dynamic Bio-regionalisation of the Southern South China Sea: A Synthesis from Satellite-Derived Chlorophyll-a Concentra…
The South China Sea (SCS) is one of the world’s most productive fishing zones. Regionalising the SCS, particularly the understudied southern sector (SSCS), is crucial for improvin…
Climatological Tracking and Lifecycle Characteristics of Mesoscale Convective Systems in Northwestern South America
Mesoscale Convective Systems (MCSs) are crucial in shaping large-scale tropical circulation and the hydrological cycle, particularly in Northwestern South America (NwSA), a region…
Seasonal cycle in sea level across the coastal zone
Data from tide gauges and satellite altimeters are used to provide an up-to-date assessment of the mean seasonal cycle in sea level (ζ) over most of the global coastal ocean. The …
The Good, the Bad, & the Ugly: Towards Determining the Credibility of Downscaling Methods & Their Projections
This paper introduces a novel framework for a process-informed, differential assessment of credibility across various spatial and point-based downscaling methodologies, including …
Submesoscale eddy contribution to ocean vertical heat flux diagnosed from airborne observations
Submesoscale eddies (those smaller than 50~km) are ubiquitous throughout the ocean, as revealed by satellite infrared images. Diagnosing their impact on ocean energetics from obse…
Developing Storylines of Plausible Future Streamflow and Generating a New Warming-Driven Declining Streamflow Ensemble:…
Plausible future long-term streamflow time series are essential for evaluating different policies and management strategies in river basins and testing the operation of water reso…
A species-specific approach to benthic foraminifera pore patterns as a paleoxygenation proxy in the Southeast Pacific
Calcareous benthic foraminifera can develop pores in their test wall to facilitate gas exchanges (e.g., O2, CO2) with the surrounding seawater. The patterns of these pores, i.e., …
On the potential of Bayesian neural networks for estimating chlorophyll-a concentration from satellite data
This work introduces the use of Bayesian Neural Networks (BNNs) for inferring chlorophyll-a concentration ([CHL-a]) from remotely sensed data. BNNs are probabilistic models that a…
Satellite Estimation of Global Sea-Air Carbon Dioxide Fugacity from 2000 to 2020 based on Machine Learning Models
Based on over 160,000 quality-controlled measurements of surface ocean carbon dioxide fugacity from 2000 to 2020, and employing machine learning methods, a satellite-based assessm…
Monsoon-Frontal Interactions Drive Cyclone Biparjoy's Wake Recovery in the Arabian Sea
Cold wakes generated by cyclones enhance productivity and impact the local air-sea interaction, paths and intensities of subsequent storms in the region. However, in-situ observat…
Characteristic velocity and timescales of non-phase-locked internal tides in a mesoscale eddy field
We present a new parametric autocovariance kernel function for characterizing properties of the mesoscale eddy field and the non-phase-locked internal tide from ocean time series …
Impact of Isopycnal Mixing on Southern Ocean Overturning Geometry
In coarse resolution ocean models, eddy diffusive effects are parameterized with an isopycnal mixing coefficient, which controls mixing strength along isopycnals. Both wind and is…
External Drivers and Mesoscale Self-Organization of Shallow Cold Pools in the Trade-Wind Regime
Recent observations of the trade-wind regions highlight the covariability between cold-pool properties and mesoscale cloud organization. Given the covariability of organization wi…
Two-Streams Revisited: General Equations, Exact Coefficients, and Optimized Closures
• A general form of the Two-Stream Equations better lends itself to physical interpretation than the standard form. • Numerically-optimized coupling coefficients reproduce shortwa…
Is OSSO a significant contributor to the unknown UV absorber in Venus' atmosphere?
It has been proposed that two isomers of the SO dimer (cis- and trans-OSSO) are candidates for the unknown UV absorber in Venus’ atmosphere because they have a good spectral match…
Contrasting Arctic Amplification response in the Community Earth System Model Large Ensembles, and implications for the…
The response of the polar jet to climate warming and rapid Arctic change is a leading uncertainty in changing general circulation and critical to the future of mid-latitude surfac…
Grid Spacing Sensitivity of Simulated Convective Drafts in Tropical and Mid-Latitude Mesoscale Convective Systems
Organized deep convection plays a critical role in the global water cycle and drives extreme precipitation events in tropical and mid-latitude regions. However, simulating deep co…
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