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Showing 4451 to 4500 of 59105 works
Terminal middle Pleistocene eruptions of Changbaishan-Tianchi volcano in northeast China: Triggered by the glacial/inte…
High-resolution 40 Ar/ 39 Ar dating of Bingchang (BC) eruptions of Changbaishan-Tianchi volcano in NE China yields an oldest plateau age of 137.7 ka, well coinciding with the onse…
A Tale of Two Ice Shelves: Contrasting Behavior During the Regional Destabilization of the Dotson-Crosson Ice Shelf Sys…
The Dotson Ice Shelf has resisted acceleration and ice-front retreat despite high basal-melt rates and rapid disaggregation of the neighboring Crosson Ice Shelf. Because of this l…
Phase-field simulation of texture evolution in magmatic rocks
The tool of phase-field modeling for the prediction of chemical as well as microstructural evolution during crystallization from a melt in a mineralogical system has been develope…
The US COASTAL Act, the end-to-end workflow
The Named Storm Event Model (NSEM) which includes the atmospheric suite (HWRF 1, HRRR 2, RTMA-URMA 3 and WRF-LES 4) [1], the coupled wave-surge-riverine modeling system (WW3 5-ADC…
Signatures of Anomalous Transport in the 2019/2020 Arctic Stratospheric Polar Vortex
The exceptionally strong and long-lived Arctic stratospheric polar vortex in 2019/2020 resulted in large transport anomalies throughout the fall-winter-spring period from vortex d…
An Interactive GUI for BALTO in a Jupyter Notebook
This repository creates a GUI (graphical user interface) for the BALTO (Brokered Alignment of Long-Tail Observations) project. BALTO is funded by the NSF EarthCube program. The GU…
The Global Patterns of Interannual and Intraseasonal Mass Variations in the Oceans from GRACE and GRACE Follow-On Recor…
We decompose the monthly global Ocean Bottom Pressure (OBP) from GRACE(-FO) mass concentration solutions, with trends and seasonal harmonics removed from the signal, to extract 23…
Towards Constraining Sources of Lithogenic Metals in the Northern Gulf of Mexico
North African dust is known to be deposited in the Gulf of Mexico, but its deposition rate and associated supply of lithogenic dissolved metals, such as the abiotic metal thorium …
The 2015–2017 Pamir Earthquake Sequence: Fore-, Main-, and Aftershocks, Seismotectonics, Fault Interaction, and Fluid P…
A sequence of three strong (M W 7.2, 6.4, 6.6) earthquakes struck the Pamir of Central Asia in 2015–2017. With a local seismic network, we recorded the succession of the fore-, ma…
Comparative assessment of the performances of GPS-TEC assisted NTCM, NeQuick2 and Neural Network models to describe the…
Different ionospheric climatological models such as NeQuick2 and NTCM have been developed to mitigate the ionosphere impact on the trans-ionosphere propagating radio wave. Moreove…
Continuous Methane Emissions from the Oil and Gas Industry in the Permian Basin
Emissions of methane (CH 4 ) in the Permian basin (U.S.A.) have been derived for 2019 and 2020 from satellite observations of the Tropospheric Monitoring Instrument (TROPOMI) usin…
Role of sea surface physical processes in mixed-layer temperature changes during summer marine heat waves in the Chile-…
We identified anomalously warm sea surface temperature (SST) events during 1980–2019 near the major upwelling center at Punta Lavapié in the central Chile-Peru Current System, usi…
Hydrothermal fluids and where to find them: Using seismic attenuation and anisotropy to map fluids beneath Uturuncu vol…
Mapping fluid accumulation in the crust is pertinent for numerous applications including volcanic hazard assessment, geothermal energy generation and mineral exploration. Here, we…
Training and Deployment of Predictive Models for Space Weather Forecasting: An Application on Full-disk and Active Regi…
Taking machine learning models from conceptualization to production is a complex and often time-consuming practice. Solar flare prediction is a central problem in space weather fo…
Intercomparison of atmospheric Carbonyl Sulfide (TransCom-COS; Part one): Evaluating the impact of transport and emissi…
We present a comparison of atmospheric transport model simulations for carbonyl sulfide (COS), within the framework of the ongoing atmospheric tracer transport model intercomparis…
Satellite-observed lake size trends around Asian Water Tower under a warming climate
Recent studies suggest Asian Water Tower (AWT) is vulnerable to climate change with a detrimental effect on water and food security. Comprehensive information about the spatio-tem…
Imaging the Full Dispersive Modes of Scholte waves by Adding Independent SGP Processing to Eliminate the Truncation Eff…
The inversion of Scholte wave dispersion curves is one of the most important methods employed in the detection of marine sedimentary structures. The measurement methods of Scholte…
Rock fragments influence the water retention and hydraulic conductivity of soils
Rock fragments (RF) influence soil hydraulic properties (SHP) and knowledge about the SHP of stony soils is important in vadose zone hydrology. However, experimental evidence on e…
Enhanced simulated early 21st century Arctic sea ice loss due to CMIP6 biomass burning emissions
The mechanisms underlying decadal variability in Arctic sea ice remain actively debated. Here we show that variability in boreal biomass burning (BB) emissions strongly influences…
Early Evolution of the Hunga-Tonga Stratospheric Aerosol Plume observed by Lidar at La Réunion (21°S, 55°E)
The highly-explosive eruption of the Hunga-Tonga Hunga Ha’apai volcano (HTHH), that occurred on 15 Jan. in the South Pacific, was associated with a powerful blast that injected ga…
A quantitative consideration of sociodemographic factors in water quality research prioritization
Water availability depends on water quantity and quality. Geogenic contaminants, including non-metals, metals, and metalloids from geologic sources, are among the most prevalent c…
Stratospheric water vapor and ozone response to different QBO disruption events in 2016 and 2020
The Quasi-Biennial Oscillation (QBO) is a major mode of climate variability with periodically descending westerly and easterly winds in the tropical stratosphere, modulating trans…
Sea ice production in the 2016 and 2017 Maud Rise polynyas
Sea ice production within polynyas, an outcome of the atmosphere - ice - ocean interaction, is a major source of dense water and hence key to the global overturning circulation, b…
Pore Pressure Prediction in Offshore Niger Delta: Implications on Drilling and Reservoir Quality
Despite exploration and production success in Niger Delta, several failed wells have been encountered due to overpressures. Hence, it is very essential to understand the spatial d…
Flood Impacts on Net Ecosystem Exchange in the Midwestern and Southern United States in 2019
Climate extremes such as droughts, floods, heatwaves, frosts, and windstorms add considerable variability to the global year-to-year increase in atmospheric CO2 through their infl…
Sustained high winter glacier velocities from brief warm events
A single week-long warm event in midwinter in Svalbard flooded an inefficient en- and subglacial drainage system and led to a 2.5x velocity increase that remained in effect for th…
Longitudinal variation of thermospheric density around the terminator from APOD
This study presents the longitudinal distribution of thermospheric density around the terminator (in the dawn and dusk sectors), using observations collected by the atmospheric de…
Interdecadal to centennial climate variability surrounding the 8.2 ka event in Beijing revealed through speleothem reco…
The 8.2 ka event has been extensively studied, whereas its structure is ambiguous in North China. Here we present a high-resolution (~1 year) δ18O record of annual laminated spele…
Global Air Pollution Exposure and Benefits of Emissions Reductions for Global Health
Exposure to fine particulate matter (PM2.5) air pollution is associated with large-scale health consequences, but the uncertainties in estimates of PM2.5-related global premature …
Quantifying SSC variability in sediment-laden meltwater plumes using in-situ data and simulated satellite remote sensin…
Sediment-laden meltwater plumes are commonly observed in the fjords and coastal waters of Svalbard. Plumes are present at the margins of marine-terminating glaciers, and the mouth…
How turbidity currents dictate organic carbon fluxes across river-fed fjords
The delivery and burial of terrestrial particulate organic carbon (OC) in marine sediments is important to quantify, because this OC is a food resource for benthic communities, an…
Subduction and obduction processes: the fate of oceanic lithosphere revealed by blueschists, eclogites and ophiolites
Fragments of former oceans are commonly observed in mountain belts: blueschists and eclogites, on the one hand, and ophiolites, on the other hand, are all that remains of ancient …
Modelling the historic and projected near-surface temperature trends across Canada
This article explores the impact that SSP 1-2.6 and 5-8.5 have on near surface temperature across Canada. This is achieved through the use of model ensembles, made up of CMIP5 dat…
Potentially Underestimated Gas Flaring Activities -A New Approach to Detect Combustion Using Machine Learning and NASA'…
Monitoring changes in greenhouse gas (GHG) emission is critical for assessing climate mitigation efforts towards the Paris Agreement goal. A crucial aspect of science-based GHG mo…
Relative contribution of atmospheric drivers to ‘extreme’ snowfall over the Amundsen Sea Embayment
We investigate the atmospheric drivers of extreme precipitation over the Amundsen Sea Embayment (ASE) of West Antarctica using daily output from RACMO2 model and re- analysis data…
Bulk Transfer Coefficients Estimated from Eddy-Covariance Measurements over Lakes and Reservoirs
The drag coefficient (CDN), Stanton number (CHN) and Dalton number (CEN) are of particular importance for the bulk estimation of the surface turbulent fluxes of momentum, heat and…
Secular resonance transitions in the late Cretaceous and astronomical imprints during the Oceanic Anoxic Event II (Schi…
The Chalk Group deposited on the Schill Grund Platform in Dutch offshore comprises a near complete early Danian to late Cenomanian chalk succession. Such a long record (~30 Myrs) …
z- and ρ-AMOC under pre-industrial, historical and abrupt4xCO2 climates in AWI-ESM2.1
The Atlantic Meridional Overturning Circulation (AMOC) is one of the most essential mechanisms influencing our climate system. By comparing constant depth (z-AMOC) and density (ρ-…
Shear-driven formation of olivine veins by dehydration of ductile serpentinite: a numerical study with implications for…
Serpentinite subduction and the associated formation of dehydration veins is important for subduction zone dynamics and water cycling. Field observations suggest that en-échelon o…
Influence of pore fluid on grain-scale interactions and mobility of granular flows of differing volume
The presence of a pore fluid is recognized to significantly increase the mobility of saturated over dry granular flows. However, experimental studies in which both the bulk-scale …
Setting Up the Astrobiology Ecosystem in India: Pitching the Subject at a Revamped Level.
Though fascinating and multi-disciplinary in scientific horizon, Astrobiology, till date has not managed to make a commendable mark in Indian academia which raises the need of not…
Changes in Streamflow Statistical Structure across United States due to Recent Climate Change
A variety of watershed responses to climate change are expected due to non-linear interactions between various hydrologic processes acting at different timescales that are modulat…
Uncertainty of low-degree space gravimetry observations: surface processes versus internal signal
Space gravity measurements have been mainly used to study the temporal mass variations at the Earth’s surface and within the mantle. Nevertheless, mass variations due to the Earth…
Drivers and reversibility of abrupt ocean state transitions in the Amundsen Sea, Antarctica
Ocean warming around Antarctica has the potential to trigger marine ice-sheet instabilities. It has been suggested that abrupt and irreversible cold-to-warm ocean tipping points m…
Motility an Agnostic Biosignature from Mount Saint Helens, a Glaciovolcanic Environment
Self-propelled motion is an agnostic biosignature that is observed widely, yet motility of microbes in their natural environments is sparsely studied. In this study we use a Digit…
Hurricane Sally (2020) shifts the ocean thermal structure across the inner core during rapid intensification over the s…
Prediction of rapid intensification in tropical cyclones prior to landfall is a major societal issue. While air-sea interactions are clearly linked to storm intensity, the connect…
Shear Wave Velocities in the San Gabriel and San Bernardino Basins, California
We construct a new shear velocity model for the San Gabriel, Chino and San Bernardino basins located in the northern Los Angeles area using ambient noise correlation between dense…
Black Carbon Involved Photochemistry Enhances the Formation of Sulfate in the Ambient Atmosphere: Evidence from in-situ…
Mixing state of black carbon (BC) with secondary species has been highlighted as a major uncertainty in assessing its radiative forcing. While recent laboratory simulation has dem…
Connecting Lake Observatories to Space-Based Missions: Global Lakes Ecological Observing Network (GLEON), NASA Surface …
Assessing and understanding the extent and trajectory of change in inland waters is a great challenge, due in part to both differing methods — and cultures — of agencies that prov…
Anomalously high heat flow regions beneath the Transantarctic Mountains and Wilkes Subglacial Basin in East Antarctica …
The Transantarctic Mountains (TAM) separate the warmer lithosphere of the West Antarctic rift system and the colder East Antarctic craton. Low velocity zones beneath the TAM image…
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