Leonard N. Garcia

Détection de Neutrinos provenant de Supernovae à effondrement de cœur

Leonard N. Garcia

Core Collapse supernovae (CCSNs) emit more light than all the stars in the galaxy from which their progenitor star was born. The remnants of the core collapse supernovae will be visible for centuries. However, information about what occurred in the core is …

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Density profiles in stellarators: an overview of particle transport, fuelling and profile shaping studies at TJ-II

Arturo Alonso, Daniel Alegre, R. Antón, A. Arias-Camisón et autres

Abstract We provide an overview of activities carried out at the TJ-II stellarator for improving our understanding of- and developing plasma physics models for particle density profiles in stellarators. Namely, we report on recent progress in turbulent particle transport simulation, validation of …

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Update on Space Physics Data Facility (SPDF) Data Archives and Services

Robert M. Candey, D. Bilitza, Reine Chimiak, John Frederick Cooper et autres

The Space Physics Data Facility (SPDF https://spdf.gsfc.nasa.gov), as the non-solar NASA Heliophysics active final archive, works with current operating missions and the heliophysics community to ingest, preserve and serve a wide range of past and current public science-quality data from the mesosphere …

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A Fresh Look at Jovian Decametric Radio Emission Occurrence Probabilities in the CML-Io Phase Plane

David Typinski, Chuck Higgins, Richard S. Flagg, W. B. Greenman et autres

The occurrence of Jovian decametric emission (DAM) is sporadic as observed from ground-based instruments. When the timing intervals of observed occurrences of Jovian DAM are compared to all periods when Jupiter was observable, a set of Jovian DAM emission occurrence probabilities can …

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Propagation Teepee: A Possible High‐Frequency (15–30 MHz) Remote Lightning Signature Identified by Citizen Scientists

Shing F. Fung, David Typinski, R Flagg, Thomas Ashcraft et autres

Abstract A high‐frequency spectral feature is identified in ground‐based spectrograph data at 15–30 MHz. The feature, likely of terrestrial origin, is often recorded by a group of citizen scientists (the Spectrograph User Group) whose main interest is to observe Jupiter's radio emissions. …

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Parker Solar Probe In-Situ Data at the SPDF Archives

Robert M. Candey, D. Bilitza, Reine Chimiak, John Frederick Cooper et autres

The Space Physics Data Facility (SPDF https://spdf.gsfc.nasa.gov) and Solar Data Analysis Center (SDAC https://umbra.nascom.nasa.gov/), as the NASA Heliophysics active final archives, will be preserving and distributing the data from Parker Solar Probe. Working in cooperation with current operating missions and the heliophysics …

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Seismic monitoring of CO2-EOR operations in the Texas Panhandle and southern Kansas using surface seismometers

Abhash Kumar, Alex Bear, Hongru Hu, Richard Hammack et autres

Injection of carbon dioxide (CO2) into depleted oil reservoir is an advantageous tertiary recovery method as it allows for the long-term storage of CO2 in the empty pore spaces resulting from the removal of in situ pore fluid. Several instances of induced …

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Radio Jove Solar Citizen Science

Charles A. Higgins, S. F. Fung, J. R. Thieman, Leonard N. Garcia

Surface-seismic monitoring of an active CO2-EOR operation in the Texas Panhandle using broadband seismometers

Abhash Kumar, Kevin Chao, Richard Hammack, William P. Harbert et autres

Carbon dioxide (CO2) is injected into depleted oil, reservoirs throughout the United States to enhance oil production. This process is called CO2-EOR (Enhanced Oil Recovery) or simply EOR. During CO2-EOR, some injected CO2 remains in the pore space left behind after the …

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Passive seismic monitoring of an active CO2-EOR operation in Farnsworth, Texas

Abhash Kumar, Erich V. Zorn, Richard Hammack, William P. Harbert et autres

A surface seismic network of five broadband seismometers was deployed in the vicinity of a CO2 injection well at an active enhanced oil recovery site in Farnsworth, Texas. We examined and characterized the data collected during the first three months of deployment. …

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Interpretation of Tracer Experiments on Inverted Five-spot Well-patterns within the Western Half of the Farnsworth Unit Oil Field

Mark D. White, Richard P. Esser, B.P. McPherson, Robert Balch et autres

The Southwest Regional Partnership on Carbon Sequestration (SWP), one of the U.S. Department of Energy (U.S. DOE) seven Regional Carbon Sequestration Partnerships, is currently working to demonstrate the utilization and storage of CO2 in the Farnsworth Unit (FWU) Enhanced Oil Recovery (EOR) …

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Radio Jove: Citizen Science for Jupiter Radio Astronomy

Charles A. Higgins, J. R. Thieman, Francisco Reyes, Dave Typinski et autres