Articles with "particle flux" as a keyword



Particle flux in the oceans: Challenging the steady state assumption

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Published in 2017 at "Global Biogeochemical Cycles"

DOI: 10.1002/2016gb005424

Abstract: Atmospheric carbon dioxide levels are strongly controlled by the depth at which the organic matter that sinks out of the surface ocean is remineralized. This depth is generally estimated from particle flux profiles measured using… read more here.

Keywords: state; state assumption; steady state; particle flux ... See more keywords

Rain, Runoff, and Diatoms: the Effects of the North Pacific 2014–2015 Warm Anomaly on Particle Flux in a Canadian West Coast Fjord

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Published in 2019 at "Estuaries and Coasts"

DOI: 10.1007/s12237-018-00510-0

Abstract: Sediment traps were deployed at 50 m depth in Douglas Channel, a fjord on the west coast of Canada, for 3 years (July 2013–July 2016). Particle flux was related to rain, freshwater discharge, and phytoplankton blooms. The… read more here.

Keywords: particle flux; west coast; particle; north pacific ... See more keywords

Trace metals and persistent organic pollutants fingerprint on the particle flux in the deep subtropical NE Atlantic.

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Published in 2019 at "Marine pollution bulletin"

DOI: 10.1016/j.marpolbul.2019.06.001

Abstract: Particle flux material collected in 2000 m depth in the Northeast Atlantic at 33°N and 22°W was analyzed for trace metals and persistent organic pollutants. Element enrichment factors relative to lithogenic Al were elevated indicating possible… read more here.

Keywords: organic pollutants; trace metals; metals persistent; particle flux ... See more keywords

Reduced‐Order Probabilistic Emulation of Physics‐Based Ring Current Models: Application to RAM‐SCB Particle Flux

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Published in 2024 at "Space Weather"

DOI: 10.1029/2023sw003706

Abstract: In this work, we address the computational challenge of large‐scale physics‐based simulation models for the ring current. Reduced computational cost allows for significantly faster than real‐time forecasting, enhancing our ability to predict and respond to… read more here.

Keywords: particle flux; ring current; physics; ram scb ... See more keywords

On the initiation of lightning in thunderclouds

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Published in 2017 at "Scientific Reports"

DOI: 10.1038/s41598-017-01288-0

Abstract: The relationship of lightning and elementary particle fluxes in the thunderclouds is not fully understood to date. Using the particle beams (the so-called Thunderstorm Ground Enhancements – TGEs) as a probe we investigate the characteristics… read more here.

Keywords: lightning thunderclouds; initiation; energy; particle flux ... See more keywords

Observation of radially inward turbulent particle flux in ETG dominated plasma of LVPD

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Published in 2017 at "Physics of Plasmas"

DOI: 10.1063/1.5012093

Abstract: Radially inward turbulent particle flux is observed in the core region of target plasma of Large Volume Plasma Device where electron temperature gradient (ETG) driven turbulence conditions are satisfied with threshold, ηETG=Ln/LT>2/3 [Mattoo et al.,… read more here.

Keywords: radially inward; particle flux; inward turbulent; turbulent particle ... See more keywords

Observations of radially elongated particle flux induced by streamer in a linear magnetized plasma

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Published in 2019 at "Physics of Plasmas"

DOI: 10.1063/1.5093218

Abstract: The streamer-driven particle flux is evaluated experimentally in a linear cylindrical plasma. The streamers, a radially elongated and azimuthally localized structure created in turbulent plasma, really induce ballistic transport, and directly connect the plasma core… read more here.

Keywords: radially elongated; particle flux; plasma; transport ... See more keywords

Study of instability driving inward particle flux during the formation of transport barriers at the edge of the HL-2A tokamak

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Published in 2017 at "Nuclear Fusion"

DOI: 10.1088/0029-5515/57/1/014005

Abstract: An electrostatic coherent mode with a frequency of kHz can be observed during the formation of transport barriers in high-confinement-mode plasma in the HL-2A tokamak, using reciprocating Langmuir probes. The mode drives a strong inward… read more here.

Keywords: formation transport; transport barriers; particle flux; particle ... See more keywords

Observation of pedestal mode spreading into SOL and broadening of divertor particle flux width on EAST tokamak

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Published in 2025 at "Nuclear Fusion"

DOI: 10.1088/1741-4326/adc74c

Abstract: Pedestal turbulence spreading into a crape-off layer (SOL) can be used to explain the experimentally observed strong pedestal-SOL coupling and is expected to be important for the broadening of divertor deposition profiles in future devices… read more here.

Keywords: particle flux; mode; east tokamak; divertor ... See more keywords

Numerical analysis of gas exhaust in Wendelstein 7-X using the direct simulation Monte Carlo method

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Published in 2025 at "Nuclear Fusion"

DOI: 10.1088/1741-4326/addbf1

Abstract: The present work is focused on a 3D numerical assessment of the Wendelstein 7-X (W7-X) particle exhaust. For all the numerical simulations the direct simulation Monte Carlo solver of the DIVGAS workflow, has been employed.… read more here.

Keywords: pressure; particle flux; direct simulation; particle ... See more keywords