SSUSI Publications

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Found 7 entries in the Bibliography.

Showing entries from 1 through 7

2015

Methodology of evaluating the science benefit of various satellite/sensor constellation orbital parameters to an assimilative data forecast model

A methodology for evaluating the science benefit of adding space weather sensor data from a modest number of small satellites to the Utah State University Global Assimilation of Ionospheric Measurements\textemdashFull Physics (GAIM-FP) model is presented. Three orbital scenarios are presented, two focusing on improved coverage of narrowly specified regions of interest, and one on global coverage of the ionosphere as a whole. An Observing System Simulation Experiment is used to obtain qualitative and quantitative results o ...

Balthazor, Richard; McHarg, Matthew; Enloe, Lon; Mueller, Brandon; Barnhart, David; Hoeffner, Zachary; Brown, Robert; Scherliess, Ludger; Wilhelm, Lance;

Published by: Radio Science Published on: 04/2015

YEAR: 2015 DOI: 10.1002/2014RS005426

Ionosphere; modeling

2014

Global Assimilation of Ionospheric Measurements (GAIM) - Gauss Markov (GM) Model: Improved Specifications with Multiple Data Types

The Earth\textquoterights ionosphere is a highly dynamic region that is almost constantly in a state of flux. Solar radiation, geomagnetic activity, chemical reactions, and natural dynamics all act to perturb the state of the ionosphere. The ionosphere changes on time scales of hours to days, with the fine-scale ionospheric structures that are frequently observed lacking in global physics-based models due to time-step and spatial resolution constraints. To properly specify the ionosphere, data is needed, thus data assimil ...

Gardner, L.; Schunk, R.; Scherliess, L.; Sojka, J.; Zhu, L.;

Published by: Space Weather Published on: 11/2014

YEAR: 2014 DOI: 10.1002/2014SW001104

Data Assimilation; Ionosphere; modeling

2009

Ionospheric dynamics and drivers obtained from a physics-based data assimilation model

Scherliess, Ludger; Thompson, Donald; Schunk, Robert;

Published by: Radio Science Published on: Jan-02-2009

YEAR: 2009 DOI: 10.1029/2008RS004068

2008

Current and Future Development of the Operational Global Assimilation of Ionospheric Measurements (GAIM)

Dandenault, P; Coker, C; Thonnard, S; Schunk, B; Thompson, D; Smith, D; Weaver, S; Scherliess, L; Reich, J;