Výsledky vyhledávání - "Technical Reports: Methods"

Clustering Analysis Methods for GNSS Observations: A Data‐Driven Approach to Identifying California's Major Faults

Autor: Michael Heflin, Andrea Donnellan, Robert Granat, Gregory A. Lyzenga, Margaret Glasscoe, John B. Rundle, Lisa Grant Ludwig, Marlon Pierce, Jun Wang, Jay Parker

Publikováno v: Earth and Space Science, vol 8, iss 11
Earth and Space Science, Vol 8, Iss 11, Pp n/a-n/a (2021)
Earth and Space Science (Hoboken, N.j.)

We present a data‐driven approach to clustering or grouping Global Navigation Satellite System (GNSS) stations according to observed velocities, displacements or other selected characteristics. Clustering GNSS stations provides useful scientific in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6e80b4ea3d247ab624dc13fd280aaa47
https://doi.org/10.1029/2021ea001680

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Multifractal Analysis of a Seismic Moment Distribution Obtained From InSAR Inversion

Autor: Andrea Donnellan, Cameron Saylor, John B. Rundle

Publikováno v: Earth and Space Science (Hoboken, N.j.)
Earth and space science (Hoboken, N.J.), vol 8, iss 9
Earth and Space Science, Vol 8, Iss 9, Pp n/a-n/a (2021)

Interferometric synthetic aperture radar (InSAR) interferograms contain valuable information about the fault systems hidden beneath the surface of the Earth. In a new approach, we aim to fit InSAR ground deformation data using a distribution of multi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d7868c17faaaaa1cfb7ac79fbbc1984
http://europepmc.org/articles/PMC8519160

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Generative Modeling of InSAR Interferograms

Autor: Thomas A. Herring, Guillaume Rongier, Victor Pankratius, Cody Rude

Publikováno v: Earth and Space Science (Hoboken, N.j.)
Earth and Space Science, Vol 6, Iss 12, Pp 2671-2683 (2019)

Interferometric synthetic aperture radar (InSAR) has become an essential technique to detect surface variations due to volcanoes, earthquakes, landslides, glaciers, and aquifers. However, Earth's ionosphere, atmosphere, vegetation, surface runoff, et

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6aa81ba64273a1cd6dfbaef8ad3a3ef4
http://europepmc.org/articles/PMC7006750

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Open‐Source Software Analysis Tool to Investigate Space Plasma Turbulence and Nonlinear DYNamics (ODYN)

Autor: E. Teodorescu, Marius Echim

Publikováno v: Earth and Space Science, Vol 7, Iss 4, Pp n/a-n/a (2020)
Earth and Space Science (Hoboken, N.j.)

We have designed and built a versatile modularized software library—ODYN—that wraps a comprehensive set of advanced data analysis methods meant to facilitate the study of turbulence, nonlinear dynamics, and complexity in space plasmas. The Python

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::05b74fcf3e49dd571268cd372a745a4a
https://doaj.org/article/ac91ad7562444c1582f95f0081b51805

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Neural Network Repair of Lossy Compression Artifacts in the September 2015 to March 2016 Duration of the MMS/FPI Data Set

Autor: John C. Dorelli, D. J. Gershman, Barbara L. Giles, A. C. Barrie, W. R. Patterson, Scot R. Elkington, D. Da Silva

Publikováno v: Journal of Geophysical Research. Space Physics

During the September 2015 to March 2016 duration (sometimes referred to as Phase 1A) of the Magnetospheric Multiscale Mission, the Dual Electron Spectrometers (DES) were configured to generously utilize lossy compression. While this maximized the num

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e8a3e9c8e684cd8a0f60764e395f0729
http://europepmc.org/articles/PMC7380320

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The STONE curve: A ROC-derived model performance assessment tool

Autor: Lutz Rastätter, Michael W. Liemohn, A. Azari, Natalia Ganushkina

Publikováno v: Earth and Space Science, Vol 7, Iss 8, Pp n/a-n/a (2020)
Earth and Space Science
Earth and Space Science (Hoboken, N.j.)

A new model validation and performance assessment tool is introduced, the sliding threshold of observation for numeric evaluation (STONE) curve. It is based on the relative operating characteristic (ROC) curve technique, but instead of sorting all ob

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::98fd8c5d9bfcefaac196608c55893020

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The Fractal Nature of Planetary Landforms and Implications to Geologic Mapping

Autor: Stuart J. Robbins

Publikováno v: Earth and Space Science (Hoboken, N.j.)

The primary product of planetary geologic and geomorphologic mapping is a group of lines and polygons that parameterize planetary surfaces and landforms. Many different research fields use those shapes to conduct their own analyses, and some of those

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::07ab814501ac8d8de011900cdd52deb0
http://europepmc.org/articles/PMC6049887

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LoadDef: A Python‐Based Toolkit to Model Elastic Deformation Caused by Surface Mass Loading on Spherically Symmetric Bodies

Autor: Mark Simons, Hilary R. Martens, Luis Rivera

Publikováno v: Earth and Space Science
Earth and Space Science, 2019, 6 (2), pp.311-323. ⟨10.1029/2018EA000462⟩
Earth and Space Science (Hoboken, N.j.)

Temporal variations of surface masses, such as the hydrosphere and atmosphere of the Earth, load the surfaces of planetary bodies causing temporal variations in deformation. Surface shear forces and gravitational fields also drive ongoing planetary d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b010f24e4ba1edbc601a888b838b9688
https://hal.archives-ouvertes.fr/hal-02478566/document

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Global Seismic Nowcasting With Shannon Information Entropy

Autor: John B. Rundle, Andrea Donnellan, Alexis Giguere, Donald L. Turcotte, James P. Crutchfield

Publikováno v: Earth and space science (Hoboken, N.J.), vol 6, iss 1
Earth and Space Science (Hoboken, N.j.)

Seismic nowcasting uses counts of small earthquakes as proxy data to estimate the current dynamical state of an earthquake fault system. The result is an earthquake potential score that characterizes the current state of progress of a defined geograp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f4733eb8b0bc54c89c325855a09b0af2
https://escholarship.org/uc/item/8q20r1k6

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The Low‐Energy Neutral Imager (LENI)

Autor: Joseph Westlake, D. G. Mitchell, P. C:son Brandt, Bruce Andrews, George Clark

Publikováno v: Journal of Geophysical Research. Space Physics

To achieve breakthroughs in the areas of heliospheric and magnetospheric energetic neutral atom (ENA) imaging, a new class of instruments is required. We present a high angular resolution ENA imager concept aimed at the suprathermal plasma population

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6ee8f56f4b104828250297045049b32
https://doi.org/10.1002/2016ja022547

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