Publications

ORCID link to full list of publications: ORCID iD iconorcid.org/0000-0002-9605-0007

Peer Reviewed

Ryan M. McGranaghan, A. Bhatt, T. Matsuo, A.J. Mannucci, J.L. Semeter, and S. Datta-Barua (2017), Ushering in a new frontier in geospace through data science, Journal of Geophysical Research: Space Physics, 122, doi:10.1002/2017JA024835.

Ryan M. McGranaghan, Anthony J. Mannucci, and Colin Forsyth (2017). A comprehensive analysis of multi-scale field aligned currents: Characteristics, controlling parameters, and relationships. Journal of Geophysical Research: Space Physics, 122. https://doi.org/10.1002/2017JA024742.

Enrico Camporeale, Simon Wing, Jay Johnson, Caitriona Jackman, and Ryan M. McGranaghan (2018). Space Weather in the Machine Learning era: a multi-disciplinary approach. Space Weather, 16. https://doi.org/10.1002/2017SW001775

Anthony Mannucci, Olga Verkhoglyadova, Xing Meng, and Ryan M. McGranaghan (2018). On the Role of Neutral Flow in Field-Aligned Currents. Ann. Geophys., 36, 53-57, https://doi.org/10.5194/angeo-36-53-2018, 2018.

Olga Verkhoglyadova, Xing Meng, Anthony Mannucci, and Ryan M. McGranaghan (2017). Semi-analytical estimation of energy deposition in the ionosphere by monochromatic Alfven waves. Journal of Geophysical Research: Space Physics. Manuscript submitted.

Ryan M. McGranaghan, Anthony J. Mannucci, Olga Verkhoglyadova, and Nishant Malik (2017). Finding multiscale connectivity in our geospace observational system: Network analysis of total electron content, J. Geophys. Res. Space Physics, 122, 7683–7697, doi:10.1002/2017JA024202.

Ryan M. McGranaghan, Anthony J. Mannucci, Olga Verkhoglyadova, and Nishant Malik. Gaining the most utility from our geospace observational system: Network analysis of total electron content as a means to understand space weather to the point of prediction. XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS), Montreal, QC, Canada, 2017, pp. 1-4, 2017.

Ryan M. McGranaghan. Determining global ionospheric conductivity in the satellite and data assimilation age and assessing its influence on the Magnetosphere-Ionosphere-Thermosphere system. PhD thesis, University of Colorado Boulder, Boulder, CO, May 2016.

Ryan M. McGranaghan, Delores J. Knipp, and Tomoko Matsuo. High-latitude ionospheric conductivity variability in three dimensions. Geophysical Research Letters, 43(15):7867-7877, 2016.

Ryan M. McGranaghan, Delores J. Knipp, Tomoko Matsuo, and Ellen Cousins. Optimal interpolation analysis of high-latitude ionospheric Hall and Pedersen conductivities: Application to assimilative ionospheric electrodynamics reconstruction. Journal of Geophysical Research: Space Physics, 2016.

Ryan M. McGranaghan, Delores J. Knipp, Stanley C. Solomon, and Xiaohua Fang. A fast, parameterized model of upper atmospheric ionization rates, chemistry, and conductivity. Journal of Geophysical Research: Space Physics, 120(6):4936-4949, 2015.

Ryan M. McGranaghan, Delores J. Knipp, Tomoko Matsuo, Humberto Godinez, Robert J. Redmon, Stanley C. Solomon, and Steven K. Morley. Modes of high-latitude auroral conductance variability derived from DMSP energetic electron precipitation observations: Empirical orthogonal function analysis. Journal of Geophysical Research: Space Physics, 2015.

Siamak Hesar, Jeffrey S. Parker, Jason M. Leonard, Ryan M. McGranaghan, and George H. Born. Lunar far side surface navigation using linked autonomous interplanetary satellite orbit navigation (LiAISON). Acta Astronautica, (AA-D-14-00679R1), 2015.

Farah Alibay, Philip Fernandes, Ryan M. McGranaghan, Jason Leonard, and JPL PSSS team. Design of a high-value, low-cost mission to the Neptunian system. In In Proceedings of the 2014 IEEE Aerospace Conference, Big Sky, Montana, Mar. 2014. Jet Propulsion Laboratory.

Ryan M. McGranaghan, Delores Knipp, Robert McPherron, and Linda A. Hunt. Impact of equinoctial high-speed stream structures on thermospheric responses. Journal of Geophysical Research: Space Weather, 12(001045), 2014.

Ryan M. McGranaghan, Brent Sagan, Gemma Dove, Aaron Tullos, James Evans Lyne, and J.P. Emery. A survey of mission opportunities to trans-neptunian objects. Advances in the Astrodynamical Sciences Series, 142(CP11-615), 2012.

Ryan M. McGranaghan, Brent Sagan, Gemma Dove, Aaron Tullos, James Evans Lyne, and J.P. Emery. A survey of mission opportunities to trans-neptunian objects. Journal of the British Interplanetary Society, 64(296M), 2011.

Non-Peer Reviewed

Ryan M. McGranaghan, H. Godinez, S. Morley, D. Knipp, and T. Matsuo. Global high-latitude conductivity modeling: New data and improved methods. Los Alamos Space Weather Summer School Research Reports, http://www.lanl.gov/projects/national-security-education-center/space-earth-center/space-weather-school/ assets/docs/swx-report-2014.pdf,2014.

Ryan M. McGranaghan, Jason M. Leonard, Jeffrey S. Parker, George H. Born, Ann Dietrich, and Siamak Hesar. LiAISON tracking for a lunar far-side sample return mission. In In Proceedings of the 24th Annual AIAA/AAS Space Flight Mechanics Meeting, number 14-432, Santa Fe, NM, Jan. 2014. University of Colorado at Boulder.

Siamak Hesar, Ryan M. McGranaghan, Jeffrey S. Parker, Jason M. Leonard, Kohei Fujimoto, and George H. Born. Application of LiAISON orbit determination architecture in navigating a rover on the lunar surface. In In Proceedings of the AAS Astrodynamics Specialist Conference, number AAS 13-738, Hilton Head, SC, Aug. 2013. University of Colorado at Boulder.

Jason M. Leonard, Jeffrey S. Parker, Rodney L. Anderson, Ryan M. McGranaghan, Kohei Fujimoto, and George H. Born. Supporting crewed lunar exploration with LiAISON navigation. In Proceedings of the 35th AAS Guidance and Control Conference, number AAS 13-053, Breckenridge, Colorado, February 2013. University of Colorado at Boulder and Jet Propulsion Laboratory.

Ryan M. McGranaghan, Jason Leonard, Jeffrey Parker, George Born, Kohei Fujimoto, and Rodney Anderson. Interplanetary departure stage navigation by means of LiAISON orbit determination architecture. In Proceedings of the 23rd Annual AIAA/AAS Space Flight Mechanics Meeting, number 13-207. American Astronautical Society, 2013/02/11 2013.

Jeffrey Parker, Ryan M. McGranaghan, Jason Leonard, George Born, Kohei Fujimoto, and Rodney Anderson. Navigating a crewed lunar vehicle using LiAISON. In Proceedings of the 23rd Annual AIAA/AAS Space Flight Mechanics Meeting, number 13-330. American Astronautical Society, 2013/02/11 2013.

Jeffrey Parker, Rodney Anderson, George Born, Kohei Fujimoto, Jason Leonard, and Ryan M. McGranaghan. Navigation between geosynchronous and lunar L1 orbiters. In Proceedings of the AIAA/AAS Astrodynamics Specialist Conference. American Institute of Aeronautics and Astronautics, 2012/10/11 2012.

Jason Leonard, Ryan M. McGranaghan, Jeffrey Parker, George Born, Kohei Fujimoto, and Rodney Anderson. LiAISON-supplemented navigation for geosynchronous and lunar L1 orbiters. In Proceedings of the AIAA/AAS Astrodynamics Specialist Conference. American Institute of Aeronautics and Astronautics, 2012/10/11 2012.

Kohei Fujimoto, Jason Leonard, Ryan M. McGranaghan, Jeffrey Parker, Rodney Anderson, and George Born. Simulating the LiAISON navigation concept in a GEO + Earth-Moon halo constellation. In Proceedings of the 23rd International Symposium on Space Flight Dynamics, Pasadena, CA, Oct - Nov 2012. Jet Propulsion Laboratory.

Ryan M. McGranaghan, Brent Sagan, Gemma Dove, Aaron Tullos, J. E. Lyne, and Joshua P. Emery. A survey of mission opportunities to trans-neptunian objects. In Proceedings of the AAS/AIAA Astrodynamics Specialists Conference, number AAS 11-615. American Institute of Aeronautics and Astronautics, August 2011.