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Astrodynamics, Space ScIence, and Space Technology (ASSIST) Laboratory
Piyush M. Mehta, Assistant Professor
Statler College of Engineering and Mineral Resources
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Publications

Archival Journal Publications

  1. Atefeh Khoshkhahtinat, Ali Zafari, Jeremy A. Grajeda, Piyush M. Mehta, Nasser Nasrabadi, Laura E. Boucheron, Barbara J. Thompson, Daniel da Silva, Michael F. Kirk. "Neural-based Video Compression on Solar Dynamics Observatory Images, " IEEE Transactions on Aerospace and Electronic System (TAES), under review, 2023.
  2. Ali Zafari, Atefeh Khoshkhahtinat, Jeremy A. Grajeda, Piyush M. Mehta, Nasser Nasrabadi, Laura E. Boucheron, Barbara J. Thompson, Daniel da Silva, Michael F. Kirk. "Neural-based Compression Scheme for Solar Image Data," IEEE Transactions on Aerospace and Electronic System (TAES), in revision, 2023
  3. Alfredo Cruz, Piyush M. Mehta, Steven K. Morley, Humberto C. Godinez, "Reduced-Order Probabilistic Emulation of Physics-Based Ring Current Models: Application on RAM-SCB Particle Flux," Space Weather, under review, 2023.
  4. Joshua Daniell, Piyush M. Mehta, "Probabilistic Solar Proxy Forecasting with Neural Network Ensembles, " Space Weather, e2023SW003675, 21(9), 2023 https://doi.org/10.1029/2023SW003675
  5. Homayon Aryan, Jacob Bortnik, W. Kent Tobiska, Piyush M. Mehta, Rashmi Siddalingappa, "Enhanced radiation levels at aviation altitudes and their relationship to plasma waves in the inner magnetosphere," Space Weather, accepted, 2023
  6. Sean Bruinsma, Thierry Dudok de Wit, Tim Fuller-Rowell, Katherine Garcia-Sage, Piyush M. Mehta, et. al. "Thermosphere and Satellite Drag," Advances in Space Research, in-press, 2023. https://doi.org/10.1016/j.asr.2023.05.011
  7. Daniel R. Weimer, Piyush M. Mehta, Richard J. Licata, W. Kent Tobiska, "Global Variations in the Time Delays Between Polar Ionospheric Heating and the Neutral Density Response," Space Weather, e2022SW003410, 21(4), 2023. https://doi.org/10.1029/2022SW003410
  8. Richard J, Licata and Piyush M. Mehta, " Reduced Order Probabilistic Emulation for Physics-Based Thermosphere Models," arXiv, 2022.
  9. Richard J. Licata, Piyush M. Mehta, Daniel R. Weimer, W. Kent Tobiska, and Jean Yoshii, " MSIS-UQ: Calibrated and Enhanced NRLMSIS 2.0 Model with Uncertainty Quantification," Space Weather, 20, e2022SW003267, 2022.
  10. Smriti Nandan Paul, Richard J. Licata, and Piyush M. Mehta, " Advanced ensemble modeling method for space object state prediction accounting for uncertainty in atmospheric density," arXiv, 2022.
  11. Smriti Nandan Paul, Philip L. Sheridan, Richard J. Licata, and Piyush M. Mehta, " Stochastic modeling of physical drag coefficient - its impact on orbit prediction and space traffic management," arXiv, 2022.
  12. Richard J. Licata, Piyush M. Mehta, Daniel R. Weimer, Douglas P. Drob, W. Kent Tobiska, and Jean Yoshii, " Science Through Machine Learning: Quantification of Poststorm Thermospheric Cooling," Space Weather, 20, e2022SW003189,2022.
  13. Piyush M. Mehta, Smriti N. Paul, Nicholas H. Crisp, Philip L. Sheridan, Christian Siemes, Günther March, and Sean Bruinsma, " Satellite drag coefficient modeling for thermosphere science and mission operations," Advances in Space Research, 2022.
  14. Richard J. Licata and Piyush M. Mehta, " Uncertainty Quantification Techniques for Space Weather Modeling: Thermospheric Density Application," Scientific Reports, 2022, 12, 7256.
  15. Richard J. Licata, Piyush M. Mehta, W. Kent Tobiska, and Snehalata Huzurbazar, " Machine-Learned HASDM Thermospheric Mass Density Model with Uncertainty Quantification," Space Weather, 2022, 20,e2021SW002915.
  16. Philip L. Sheridan, Smriti Nandan Paul, Guillermo Avendaño-Franco, and Piyush M. Mehta, " Updates and improvements to the satellite drag coefficient Response Surface Modeling toolkit ," Advances in Space Research, 2022.
  17. Richard J. Licata, Piyush M. Mehta, Daniel R. Weimer, and W. Kent Tobiska, " Improved Neutral Density Predictions through Machine Learning Enabled Exospheric Temperature Model," Space Weather, 2021, 19, e2021SW002918.
  18. Daniel R. Weimer, W. Kent Tobiska, Piyush M. Mehta, Richard J. Licata, Douglas Drob, and Jean Yoshii, " Comparison of a Neutral Density Model With the SET HASDM Density Database," Space Weather, 2021, 19, e2021SW002888.
  19. Denny M. Oliveira, Eftyhia Zesta, Piyush M. Mehta, Richard J Licata, Marcin D. Pilinski, W. Kent Tobiska, and Hisashi Hayakawa, " The Current State and Future Directions of Modeling Thermosphere Density Enhancements During Extreme Magnetic Storms", Frontiers in Astronomy and Space Sciences, 2021, 8:764144.
  20. Richard J. Licata, Piyush M. Mehta, W. Kent Tobiska, Bruce R. Bowman, and Marcin D. Pilinski, " Qualitative and Quantitative Assessment of the SET HASDM Database," Space Weather, 2021, 19(8), e2021SW002798.
  21. W. Kent Tobiska, Bruce R. Bowman, S. David Bouwer, Alfredo Cruz, Kaiya Wahl, Marcin D. Pilinski, Piyush M. Mehta, and Richard J. Licata, " The SET HASDM Density Database," Space Weather, 2021, 19(4).
  22. Richard J. Licata, W. Kent Tobiska, Piyush M. Mehta, " Benchmarking Forecasting Models for Space Weather Drivers,” Space Weather, 2020,18(10).
  23. Piyush M. Mehta and Richard Linares, " Real-Time Thermospheric Density Estimation from Satellite Position Measurements." Journal of Guidance, Control, and Dynamics, 2020, 43:9, 1656-1670.
  24. Daniel Weimer, Piyush M. Mehta, et al., “ Improving Neutral Density Predictions Using Exospheric Temperatures Calculated on a Geodesic, polyhedral Grid ,” Space Weather, 17.
  25. Piyush M. Mehta, Richard Linares, and Eric K. Sutton, Data-driven investigation of thermosphere composition during solar minimum conditions, Space Weather, 17, 1364–1379.
  26. E. Ceren Kalafatoglu Eyiguler, J. S. Shim, M. M. Kuznetsova, Z. Kaymaz, B. R. Bowman, M. V. Codrescu, S. C. Solomon, T. J. Fuller-Rowell, A. J. Ridley, P. M. Mehta, and E. K. Sutton, " Quantifying the Storm Time Thermospheric Neutral Density Variations Using Model and Observations ," Space Weather, 17(2), 269-284.
  27. Piyush M. Mehta and Richard Linares, “ A new transformative framework for data assimilation and calibration of physical ionosphere-thermosphere models," Space Weather, 16(8), 1086-1100, doi:10.1029/2018SW001875.
  28. Piyush M. Mehta, Richard Linares and Eric K. Sutton, “ A Quasi‐Physical Dynamic Reduced Order Model for Thermospheric Mass Density via Hermitian Space‐Dynamic Mode Decomposition," Space Weather, 16, 569-588, doi:10.1029/2018SW00184.
  29. Piyush M. Mehta, Richard Linares, Andrew Walker, “ Photometric Data from Non-Resolved Objects for Improved Drag and Re-entry Prediction,” Journal of Spacecraft and Rockets, 2018.
  30. Piyush M. Mehta and Richard Linares, “ A methodology for reduced order modeling and calibration of the upper atmosphere," Space Weather, 5, doi:10.1002/2017SW001642.
  31. Piyush M. Mehta, Andrew C. Walker, Eric K. Sutton and Humberto C. Godinez “ New density estimates derived using accelerometers on-board the CHAMP and GRACE satellites ,” Space Weather, 15, 558-576, doi:10.1002/2016SW001562.
  32. Piyush M. Mehta, Martin Kubicek, Edmondo Minisci and Massimiliano Vasile, “ Sensitivity Analysis and Probabilistic Re-entry Modeling for Debris using High Dimensional Model Representation based Uncertainty Treatment ,” Advances in Space Research, 59, 2017, pp. 193-211.
  33. Piyush M. Mehta, Andrew Walker, Earl Lawrence, Richard Linares, Dave Higdon and Josef Koller, “ Modeling Satellite Drag Coefficients with Response Surfaces ,” Advances in Space Research, Vol. 54, No. 8, 2014, pp.1590-1607.
  34. Piyush M. Mehta, Craig A. McLaughlin and Eric K. Sutton, “ A Drag Coefficient Model for GRACE developed using Direct Simulation Monte Carlo, ” Advances in Space Research, Vol 52, No. 12, 2013, pp. 2035-2051.
  35. Andrew Walker, Piyush M. Mehta and Josef Koller, “ Drag Coefficient Model using the Cercignani-Lampis-Lord Gas-Surface Interaction Model ,” Journal of Spacecraft and Rockets, Vol. 51, No. 5, 2014, pp. 1544-1563.
  36. Andrew Walker, Piyush M. Mehta and Josef Koller, “ Different Implementations of Diffuse Reflection with Incomplete Accommodation for Drag Coefficient Modeling ,” Journal of Spacecraft and Rockets, Vol. 51, No. 5, 2014, pp. 1522-1532.
  37. Piyush M. Mehta, Andrew Walker, Craig A. McLaughlin and Josef Koller, “ Comparing Physical Drag Coefficients Computed with Direct Simulation Monte Carlo using different Gas-Surface Interaction Models ,” Journal of Spacecraft and Rockets, Vol. 51, No. 3, 2014, pp. 873-883.

Peer-Reviewed Conference Proceedings

  1. Atefeh Khoshkhahtinat, Ali Zafari, Piyush M. Mehta, Nasser M. Nasrabadi,"Laplacian-guided Entropy Model in Neural Codec with Blur-dissipated Synthesis,"IEEE/CVF Winter Conference on Applications of Computer Vision (WACV), under review, 2023.
  2. Atefeh Khoshkhahtinat, Ali Zafari, Piyush M. Mehta, Nasser M. Nasrabadi, Barbara J. Thompson, Daniel Da Silva, Michael S. Kirk,"Context-aware Neural Video Compression on Solar Dynamics Observatory,"22nd IEEE International Conference on Machine Learning and Applications (ICMLA), Jacksonville, FL, December 2023.
  3. Ali Zafari, Atefeh Khoshkhahtinat, Piyush M. Mehta, Nasser M. Nasrabadi, Barbara J. Thompson, Daniel Da Silva, Michael S. Kirk,"Multi-spectral Entropy Constrained Neural Compression of Solar Imagery,"22nd IEEE International Conference on Machine Learning and Applications (ICMLA), Jacksonville, FL, December 2023.
  4. Ali Zafari, Atefeh Khoshkhahtinat, Piyush M. Mehta, Mohammad S. E. Saadabadi, Mohammad Akyash, Nasser M. Nasrabadi,"Frequency Disentangled Features in Neural Image Compression,"22nd IEEE International Conference on Machine Learning and Applications (ICMLA), Jacksonville, FL, December 2023.
  5. Atefeh Khoshkhahtinat, Ali Zafari, Piyush M. Mehta, Mohammad Akyash, Hossein Kashiani, Nasser M. Nasrabadi, "Multi-Context Dual Hyper-Prior Neural Image Compression,"22nd IEEE International Conference on Machine Learning and Applications (ICMLA), Jacksonville, FL, December 2023.
  6. Nathaniel Michek, Piyush M. Mehta, Wade Huebsch, "Development of a Free-Flight Parameter Estimation Technique Using Physics-Informed Neural Networks," 44th IEEE Aerospace Conference, 2023.
  7. Ali Zafari, Atefeh Kho Piyush M. Mehta , Nasser M. Nasrabadi, Barbara J. Thompson, Daniel da Silva, Michael S. F. Kirk, "Attention-Based Generative Neural Image Compression on Solar Dynam 21st IEEE International Conference on Machine Learning and Applications

Conference Proceedings (other publications)

  1. Smriti Paul, Richard J. Licata, and Piyush M. Mehta,"Advanced ensemble modeling method for space object state prediction accounting for uncertainty in atmospheric density, " AIAA/AAS Spaceflight Mechanics Conference, Austin, TX, January 2023. https://doi.org/10.48550/arXiv.2210.16992
  2. Smriti Nandan Paul and Piyush M. Mehta, " Development of Methodologies for Modeling and Estimation of Drag Parameters Using Physics-Informed Neural Network, 2022 AAS/AIAA Astrodynamics Specialist Conference 2022.
  3. Smriti Nandan Paul, Philip L. Sheridan, Piyush M. Mehta, and Snehalata Huzurbazar, " Satellite Drag Coefficient Modeling and Orbit Uncertainty Quantification using Stochastic Machine Learning Techniques," 2021 AAS/AIAA Astrodynamics Specialist Conference, 2021.
  4. Nicholas Sia and Piyush M. Mehta, " Next-Generation Aerothermodynamic Modeling for Space Debris using Deep Learning," 8 th European Conference on Space Debris, April 2021.
  5. Richard J. Licata, Piyush M. Mehta, and W. Kent Tobiska, " Impact of Driver and Model Uncertainty on Drag and Orbit Prediction," 31 st AAS/AIAA Space Flight Mechanics Meeting, February 2021.
  6. Richard J. Licata, Piyush M. Mehta, Alfredo Cruz, Michael Kirk, and Barbara J. Thompson, " Using Deep Learning for Onboard Data Compression on Deep Space Missions," 18 th Conference on Space Weather - 101 st AMS Annual Meeting, January 2021.
  7. Richard J. Licata, Piyush M. Mehta, " Physics-informed Bayesian Deep Learning for Space Weather Science and Operations," 18 th Conference on Space Weather - 101 st AMS Annual Meeting, January 2021.
  8. Richard J. Licata, Piyush M. Mehta, and W. Kent Tobiska, " Data-Driven HASDM Density Model using Machine Learning," AGU Fall Meeting, December 2020.
  9. Richard J. Licata, Piyush M. Mehta, and W. Kent Tobiska, " Impact of Space Weather Driver Forecast Uncertainty on Drag and Orbit Prediction," AAS 20-423, Astrodynamics Specialist Conference, Lake Tahoe, CA, August 2020.
  10. Richard J. Licata and Piyush M. Mehta, " Physics-informed Machine Learning with Autoencoders and LSTM for Probabilistic Space Weather Modeling and Forecasting," 17 th Conference on Space Weather - 100 th AMS Annual Meeting, January 2020.
  11. Piyush M. Mehta, Richard J. Licata, Daniel T. Welling, and Michelle Cash, “ Physics-informed Machine Learning for Probabilistic Space Weather Modeling and Forecasting: dB/dt and Geomagnetically Induced Currents ,” AGU Fall Meeting, December 2019.
  12. Richard J. Licata and Piyush M. Mehta , “ Physics-informed Machine Learning for Probabilistic Space Weather Modeling and Forecasting: Thermosphere and Satellite Drag,” AGU Fall Meeting, December 2019.
  13. Richard J. Licata and Piyush M. Mehta, and Christina Kay “ Data-Driven Framework for Space Weather Modeling with Uncertainty Treatment towards Space Situational Awareness and Space Traffic Management,” AAS 19-603, Astrodynamics Specialist Conference, Portland, ME, August, 2019.
  14. Piyush M. Mehta, Valerie Bernstein, and Delores Knipp “ On deriving Self-Consistent, High-accuracy Mass Density Measurements,” CEDAR Workshop, Santa Fe, NM, June, 2019.
  15. Piyush M. Mehta, “On deriving Self-Consistent, High-accuracy Mass Density Measurements,” AAS 19-439, Space Flight Mechanics, Maui, HI, January, 2019.
  16. Piyush M. Mehta and Richard Linares, “Data-driven Investigation of Thermospheric Variations,” AAS 19-438, Space Flight Mechanics, Maui, HI, January, 2019.
  17. Piyush M. Mehta and Richard Linares, “ Data-driven framework for real-time thermospheric density estimation,” AGU Fall Meeting, SA31A-2559, December 2017.
  18. Piyush M. Mehta, Richard Linares and Eric K. Sutton, “ Data-driven inference and investigation of thermosphere dynamics and variations,” AGU Fall Meeting, SA31A-2559, December 2017.
  19. Piyush M. Mehtaand Richard Linares, “ A methodology for reduced order modeling and calibration of the upper atmosphere ”, AAS/AIAA Astrodynamics Specialist Conference, August 2017.
  20. Piyush M. Mehta, Andrew C. Walker, Eric K. Sutton and Humberto C. Godinez “ New density estimates derived using accelerometers on-board the CHAMP and GRACE satellites ,” AGU Fall Meeting, SA31A-2349, December 2016.
  21. Piyush M. Mehta, Gonzalo Blanco-Arnao, Davide Bonetti, Edmondo Minisci, Massimiliano Vasile, “ Computer Graphics for Space Debris ”, 6th International Conference on Astrodynamics Tools and Techniques, Darmstadt, Germany, March 14-17, 2016.
  22. Martin Kubicek, Piyush M. Mehta, Edmondo Minisci, Massimiliano Vasile, “ Multi-Fidelity Uncertainty Quantification for Atmospheric Re-entry using High Dimensional Model Representation ”, 26th AAS/AIAA Space Flight Mechanics Meeting, Napa, California, February 14-18, 2016.
  23. Piyush M. Mehta, Martin Kubicek, Edmondo Minisci, Massimiliano Vasile, “ Surrogate Model for Probabilistic modeling of Atmospheric Entry for small NEOs ”, 26th AAS/AIAA Space Flight Mechanics Meeting, Napa, California, February 14-18, 2016.
  24. Piyush M. Mehta, Martin Kubicek, Edmondo Minisci, Massimiliano Vasile, “ Debris Re-entry Modeling using High Dimensional Derivative Based Uncertainty Quantification ”, AAS/AIAA Astrodynamics Specialist Conference, Vail, Colorado, August 9-13, 2015.
  25. Piyush M. Mehta, Edmondo Minisci, Massimiliano Vasile, Andrew Walkerand Melrose Brown, “ Sensitivity Analysis towards Probabilistic Re-Entry Modeling of Spacecraft and Space Debris ,” AIAA Modeling and Simulation Technologies Conference, Aviation 2015, Dallas, Texas, June 22-26, 2015.
  26. Piyush M. Mehta, Edmondo Minisci and Massimiliano Vasile, “ Break-up Modeling and Trajectory Simulation under Uncertainty for Asteroids ,” 4th IAA Planetary Defense Conference, Frascati, Roma, April 13-17, 2015.
  27. Piyush M. Mehta, Edmondo Minisci, Massimiliano Vasile, Andrew Walker and Melrose Brown, “ An Open-Source Hypersonic Aerodynamic and Aerothermodynamic Modeling Tool ,” 8 th ESA symposium for Aerothermodynamics of Space Vehicles, Lisbon, Portugal, March 2-6, 2015.
  28. Josef Koller, Sean M. Brennan, Humberto C. Godinez, Moriba K. Jah, Thomas Kelecy, Brian A. Larsen, …. , Piyush M.Mehta, …. , Brent E. Wohlberg, "A Framework for Integrated Modeling of Perturbations in Atmospheres for Conjunction Tracking (IMPACT)", AIAA Space Operations Conference, Pasadena, California, May 2014.
  29. Andrew Walker, Michael Shoemaker, Piyush M. Mehta and Josef Koller, “ Gas-Surface Interactions for Satellites orbiting in the lower Exosphere ,” 24th AAS/AIAA Space Flight Mechanics, AAS 14-436, Santa Fe, New Mexico, January 2014.
  30. Alexei V. Klimenko, Sean M. Brennan, Humberto C. Godinez, Dave Higdon, Josef Koller, Earl Lawrence, …. , Piyush M.Mehta, …. , Craig McLaughlin, “IMPACT: Integrated Modeling of Perturbations in Atmospheres for Conjunction Tracking”, AAS/AIAA Space Flight Mechanics Conference, Santa Fe, New Mexico, January 2014.
  31. Josef Koller, Sean M. Brennan, Humberto C. Godinez, Dave Higdon, Alexei Klimenko, Brian A. Larsen, …. , Piyush M.Mehta, …. , Earl Lawrence, “IMPACT: Integrated Modeling of Perturbations in Atmospheres for Conjunction Tracking," AGU Fall Meeting, San Francisco, California, December 2013.
  32. Josef Koller, Sean M. Brennan, Humberto C. Godinez, Dave Higdon, Alexei Klimenko, Brian A. Larsen, …. , Piyush M. Mehta, …., Craig McLaughlin, “IMPACT: Integrated Modeling of Perturbations in Atmospheres for Conjunction Tracking," Oral presentation and paper at the AMOS Conference, Maui, Hawaii, September 2013.
  33. Richard Linares, Michael Shoemaker, Andrew Walker, Piyush M. Mehta, David M. Palmer, David C. Thompson, Josef Koller, John L. Crassidis, “ Photometric Data from Non-Resolved Objects for Space Object Characterization and Improved Atmospheric Modeling ,” AMOS, September 2013.
  34. Piyush M. Mehta, Andrew Walker, Earl Lawrence, Richard Linares, David Higdon and Josef Koller, “ Modeling Satellite Drag Coefficients with Response Surfaces,” AAS/AIAA Astrodynamics Specialist Conference, Hilton Head, South Carolina, August 2013.
  35. Andrew Walker, Piyush M. Mehtaand Josef Koller, “ The Effect of Different Adsorption Models on Satellite Drag Coefficients, ” AAS/AIAA Astrodynamics Specialist Conference, Hilton Head, South Carolina, August 2013.
  36. Andrew Walker, Piyush M. Mehta and Josef Koller, “A Comparison of Drag Coefficients computed with Diffuse and Quasi-specular Gas-Surface Interaction Models,” Space Weather Workshop, Boulder, Colorado, April 2013.
  37. Alexei V. Klimenko, David Thompson, Sean M. Brennan, Humberto C. Godinez, Dave Higdon, Josef Koller, …. , Piyush M. Mehta, …. , Craig McLaughlin, “IMPACT: Integrated Modeling of Perturbations in Atmospheres for Conjunction Tracking," Oral presentation at the MIT Lincoln Laboratory Space Control Conference, Lexington, Massachusetts, April 2013.
  38. Josef Koller, Sean M. Brennan, Humberto C. Godinez, Dave Higdon, Moriba K. Jah, Alexei Klimenko, …. , Piyush M. Mehta, …. , Brent Wohlberg, “Integrated Modeling of Perturbations in Atmospheres for Conjunction Tracking," Space Weather Week Workshop, Boulder, Colorado, April 2013.
  39. Piyush M. Mehta and Craig A. McLaughlin, “GRACE Drag Coefficient Model Developed using Direct Simulation Monte Carlo (DSMC) Method,” 23rd AIAA/AAS Space Flight Mechanics Conference, AAS 13-284, Kauai, Hawaii, February 2013.
  40. Piyush M. Mehta and Craig A. McLaughlin, “Energy-Accommodation Coefficient and Drag Coefficient Modeling for Stella and Starlette,” International Astronautical Congress, IAC-12-C1.6.10, Naples, Italy, October 2012.
  41. Piyush M. Mehta and Craig A. McLaughlin, “Density and Ballistic Coefficient Estimation Revisited,” AAS/AIAA Astrodynamics Specialist Conference, AAS 11-609, Girdwood, Alaska, July 31-August 4, 2011.
  42. Craig A. McLaughlin, Eric Fattig, Dhaval Mysore Krishna, Travis Locke and Piyush M. Mehta, “Time Periods of Anomalous Density for GRACE and CHAMP,” AAS/AIAA Astrodynamics Specialist Conference, AAS 11-613, Girdwood, Alaska, July 31-August 4, 2011.
  43. Craig A. McLaughlin, Travis F. Lechtenberg, Stephen R. Mance, Travis Locke and Piyush M. Mehta, “Fitted Drag Coefficients as a Source of Density Information,” 21stAAS/AIAA Space Flight Mechanics Meeting Conference Proceedings, AAS 11-174, New Orleans, Louisiana, February 13-17, 2011.

Presentations: (Oral and Poster)

  1. Piyush M. Mehta, Richard Licata, Smriti Nandan Paul, "Probabilistic Thermosphere Modeling and Multi-Model Ensemble Approach for Operations," ISWAT G2A-01: Thermosphere Modeling Cluster, Coimbra, Portugal, September 2022.
  2. Richard Licata, Piyush M. Mehta, W. Kent Tobiska, Snehalata Huzurbazar, "Machine-Learned HASDM model with Uncertainty Quantification," 19th Space Weather Conference, AMS, Houston (Virtual), January 2022. Oral.
  3. Richard Licata, Piyush M. Mehta, Daniel Weimer, W. Kent Tobiska, "Improved Neutral Density Predictions through Machine Learning Enabled Exospheric Temperature Model," AGU Fall Meeting, New Orleans (Hybrid), December 2021. Oral.
  4. Denny M. Oliveira, Eftyhia Zesta, Piyush M. Mehta, Richard Licata, Marcin Pilinski, W. Kent Tobiska, Hisashi Hayakawa, "Perspectives on the thermosphere response during the extreme storm cycle: Current status of forecasting and specification models," AGU Fall Meeting, New Orleans (Hybrid), December, 2021. Oral.
  5. Daniel Weimer, W. Kent Tobiska, Piyush M. Mehta, Richard Licata, Douglas Drob, "Validation of a Neutral Density Model Through a Comparison with the High Accuracy Satellite Drag Model (HASDM)," AGU Fall Meeting, New Orleans (Hybrid), December, 2021. Oral.
  6. Christopher Mertens, Guillaume Gronoff, Smriti Paul, Piyush M. Mehta, Yihua Zheng, "NAIRAS Operational Improvements to SEP Aviation Radiation Dose Predictions," Space Weather Week Workshop, Virtual, March, 2021. Poster
  7. Daniel Weimer, W. Kent Tobiska, Piyush M. Mehta, Douglas Drob. "Advanced Prediction of Upper Atmospheric Neutral Density using Measurements from Solar Wind Sentinels." Space Weather Week Workshop, Virtual, March, 2021. Oral.
  8. Richard J. Licata, Piyush M. Mehta, and W. Kent Tobiska. "Data-Driven HASDM Density Model using Machine Learning." AGU Fall Meeting, December 2020. Poster.
  9. Daniel Weimer, W. Kent Tobiska, Bruce Bowman, Piyush M. Mehta, and Douglas Drob, "Advancing a Neutral Density Prediction Model to Operational Use," AGU Fall Meeting, December 2020. Poster.
  10. W. Kent Tobiska, Bruce Bowman, …, Piyush M. Mehta, and Richard J. Licata. "SET HASDM Database available to the research community as the new density benchmark." AGU Fall Meeting, December 2020. Poster.
  11. Piyush M. Mehta. "Workflows for Integrating Physics-based Simulation Modeling, Machine Learning, and Data Assimilation across Geospace." Workshop on Machine Learning, Data Mining, and Data Assimilation in Geospace, September 2020. Oral.
  12. Richard J. Licata and Piyush M. Mehta. "Physics-informed Machine Learning with Autoencoders and LSTM for Probabilistic Space Weather Modeling and Forecasting." 17th Conference on Space Weather – 100th AMS Annual Meeting, January 2020. Poster.
  13. Piyush M. Mehta. "Physics-informed Machine Learning for Data Assimilation in High-Dimensional Space Weather Models." 17th Conference on Space Weather – 100th AMS Annual Meeting, January 2020. Oral.
  14. Daniel R. Weimer, Piyush M. Mehta, W. Kent Tobiska, Martin Mlynczak, and Linda Hunt. "An Exospheric Temperature Model Using a Polyhedral Grid." AGU Fall Meeting, December 2019. Poster.
  15. Piyush M. Mehta, Richard J. Licata, Daniel T. Welling, Michelle Cash, and Steve K. Morley. "Physics-informed Machine Learning for Probabilistic Space Weather Modeling and Forecasting: dB/dt and Geomagnetically Induced Currents." AGU Fall Meeting, December 2019. Poster
  16. Richard J. Licata and Piyush M. Mehta. "Physics-informed Machine Learning for Probabilistic Space Weather Modeling and Forecasting: Thermosphere and Satellite Drag." AGU Fall Meeting 2019, December 2019. Poster.
  17. Piyush M. Mehta, Valerie Bernstein, and Delores Knipp. "On deriving Self-Consistent, High-accuracy Mass Density Measurements." CEDAR Workshop, Santa Fe, NM, June 2019. Poster.
  18. Piyush M. Mehta, Eric Sutton, Richard Linares."Data-driven inference of thermosphere composition during solar minimum conditions." CEDAR Workshop, Santa Fe, NM, June 2019. Oral.
  19. Piyush M. Mehta, and Richard Linares. "Data-driven inference of thermosphere dynamics and variations." AGU Fall Meeting, 2017. Poster.
  20. Piyush M. Mehta, Andrew C. Walker, Eric K. Sutton, and Humberto C. Godinez. "New density estimates derived using accelerometers on-board the CHAMP and GRACE satellites." AGU Fall Meeting, SA31A-2349, 2016. Poster.
  21. Andrew Walker, Piyush M. Mehta, and Josef Koller. "A Comparison of Drag Coefficients computed with Diffuse and Quasi-specular Gas-Surface Interaction Models." Space Weather Workshop, Boulder, Colorado, April 2013. Oral.
  22. Alexei V. Klimenko, David Thompson, Sean M. Brennan, Humberto C. Godinez, Dave Higdon, Josef Koller, …. , Piyush M. Mehta, …. , Craig McLaughlin. "IMPACT: Integrated Modeling of Perturbations in Atmospheres for Conjunction Tracking." MIT Lincoln Laboratory Space Control Conference, Lexington, MA, April 2013. Oral.
  23. Josef Koller, Sean M. Brennan, Humberto C. Godinez, Dave Higdon, Moriba K. Jah, Alexei Klimenko, …. , Piyush M. Mehta, …. , Brent Wohlberg. "Integrated Modeling of Perturbations in Atmospheres for Conjunction Tracking." Space Weather Week Workshop, Boulder, CO, April 2013. Oral.