Glenn Orton | Collision-Induced Absorption | Molecular Physics Achievement Award 

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Dr. Glenn Orton | Collision-Induced Absorption | Molecular Physics Achievement Award 

Dr. Glenn Orton | Jet Propulsion Laboratory, California Institute of Technology | United States

Dr. Glenn Orton is a Senior Research Scientist at NASA’s Jet Propulsion Laboratory, Caltech, and an internationally recognized expert in planetary atmospheres, particularly those of the giant planets. With a Ph.D. in Planetary Science from Caltech, he has contributed as a principal investigator and co-investigator on numerous NASA and ESA missions, including Galileo, Cassini, Juno, Herschel, and JWST. His work spans infrared observations, atmospheric dynamics, and thermal structure of Jupiter, Saturn, Uranus, and Neptune, as well as cometary impacts. Widely honored for his contributions, he is a Fellow of the American Geophysical Union and the American Astronomical Society, an Honorary Fellow of the Royal Astronomical Society, and has an asteroid named in his honor (378370 Orton).

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Early Academic Pursuits

Dr. Glenn Orton’s academic foundation was established with distinction, earning a Sc.B. in Physics (with honors, cum laude) from Brown University in 1970. His pursuit of advanced studies led him to the California Institute of Technology (Caltech), where he completed his Ph.D. in Planetary Science in 1975. During his graduate years, he built strong expertise in planetary atmospheres, radiative transfer, and thermal infrared spectroscopy areas that would define his scientific legacy. His early academic pursuits set the groundwork for decades of groundbreaking research in planetary science and collision-induced absorption phenomena within giant planet atmospheres.

Professional Endeavors

Dr. Orton’s career is deeply rooted at the Jet Propulsion Laboratory (JPL), Caltech, where he has served from 1970 to the present, progressing from Research Assistant to Senior Research Scientist and Principal Scientist. His professional endeavors include leadership roles in numerous NASA missions such as Pioneer Saturn, Galileo, Cassini, Juno, and the Herschel Space Telescope. He also served as Chair of the Galileo Remote Sensing Atmospheres Working Group and as Co-Investigator on instruments that revolutionized our understanding of planetary atmospheres. His professional service extended to editorial boards, study scientist roles for future planetary missions, and active involvement in telescope allocation and calibration committees.

Contributions and Research Focus

Dr. Orton’s research focus lies in planetary atmospheres, thermal infrared spectroscopy, and radiative processes, with special emphasis on collision-induced absorption as a diagnostic tool for understanding the thermal structures of Jupiter, Saturn, Uranus, and Neptune. His work has provided key insights into the atmospheric dynamics, chemistry, and variability of gas and ice giants. As Principal Investigator of numerous NASA Research and Analysis projects, he has pioneered the remote sensing of cloudy atmospheres, the study of stratospheric heating, and the analysis of cometary impacts such as Shoemaker-Levy 9 on Jupiter. His research focus continues to integrate ground-based, airborne (SOFIA), and space-based (Spitzer, Herschel, JWST) data to map and model outer planet atmospheres.

Impact and Influence

The impact of Dr. Orton’s career is profound. His leadership in planetary missions and his contributions to planetary atmosphere models have influenced generations of scientists. He played a critical role in contextualizing probe entries and supporting spacecraft data with Earth-based observations. His groundbreaking work on collision-induced absorption has advanced the accuracy of radiative transfer models, influencing the interpretation of planetary spectra globally. Dr. Orton’s mentoring of more than 100 undergraduate students, along with advising numerous postdoctoral fellows worldwide, has ensured a lasting academic influence. His recognition includes NASA Group Achievement Awards, NASA Medals for Exceptional Scientific Achievement, and international honors such as Fellowships in the AGU, AAS, and the Royal Astronomical Society.

Academic Cites

Dr. Orton’s scientific publications are highly cited across planetary science, highlighting the breadth and depth of his contributions. His studies on thermal emission, stratospheric chemistry, and atmospheric dynamics have shaped current understanding of outer planet systems. Citations to his work on infrared spectroscopy and collision-induced absorption continue to serve as cornerstones for planetary atmosphere modeling and mission data interpretation. His editorial service for Icarus further underscores his role in shaping the academic discourse of planetary sciences.

Legacy and Future Contributions

Dr. Orton’s legacy is defined by his pioneering role in unraveling the mysteries of planetary atmospheres, particularly through his expertise in thermal infrared observations. With ongoing involvement in the Juno mission, JWST studies, and future investigations of Jupiter, Saturn, Uranus, and Neptune, his future contributions promise to expand knowledge on atmospheric variability, giant planet circulation, and the physical processes governing outer planets. His mentorship ensures continuity of excellence, fostering the next generation of planetary scientists.

Notable Publications

Dynamics of Jupiter’s atmosphere

Authors: A.P. Ingersoll, T.E. Dowling, P.J. Gierasch, G.S. Orton, P.L. Read, ...

Book: Jupiter: The Planet, Satellites and Magnetosphere

Year: 2004

Citations: 195

Phosphine on Jupiter and Saturn from Cassini/CIRS

Authors: L.N. Fletcher, G.S. Orton, N.A. Teanby, P.G.J. Irwin

Journal: Icarus

Year: 2009

Citations: 192

The near-millimeter brightness temperature spectra of Uranus and Neptune

Authors: M.J. Griffin, G.S. Orton

Journal: Icarus

Year: 1993

Citations: 192

Galileo's first images of Jupiter and the Galilean satellites

Authors: M.J.S. Belton, J.W. Head III, A.P. Ingersoll, R. Greeley, A.S. McEwen, ...

Journal: Science

Year: 1996

Citations: 190

Infrared polar brightening on Jupiter: III. Spectrometry from the Voyager 1 IRIS experiment

Authors: S.J. Kim, J. Caldwell, A.R. Rivolo, R. Wagener, G.S. Orton

Journal: Icarus

Year: 1985

Citations: 190

Optical properties of NH₃ ice from the far infrared to the near ultraviolet

Authors: J.V. Martonchik, G.S. Orton, J.F. Appleby

Journal: Applied Optics

Year: 1984

Citations: 188

The water abundance in Jupiter’s equatorial zone

Authors: C. Li, A. Ingersoll, S. Bolton, S. Levin, M. Janssen, S. Atreya, J. Lunine, ...

Journal: Nature Astronomy

Year: 2020

Citations: 168

Clusters of cyclones encircling Jupiter’s poles

Authors: A. Adriani, A. Mura, G. Orton, C. Hansen, F. Altieri, M.L. Moriconi, J. Rogers, ...

Journal: Nature

Year: 2018

Citations: 167

Conclusion

Dr. Glenn Orton stands as a towering figure in planetary science, with a career spanning over five decades of innovative research, mission leadership, and academic mentorship. His expertise in planetary atmospheres, radiative transfer, and collision-induced absorption has left an indelible mark on the field. With a legacy honored by international awards, Fellowships, and even the naming of asteroid 378370 “Orton,” his influence will persist for decades. His work continues to illuminate the dynamic atmospheres of giant planets and inspire future explorations of the solar system.

Kesyton Ozegin – Solid Earth and Space Physics – Best Researcher Award 

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Dr. Kesyton Ozegin - Solid Earth and Space Physics - Best Researcher Award 

Ambrose Alli University - Nigeria

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🎓 Early Academic Pursuits

Dr. Kesyton Ozegin’s academic journey in the field of geophysics began with a B.Sc. (Hons.) in Applied Physics (Geophysics) from Ambrose Alli University, Ekpoma, Nigeria, in 2000. His strong foundation in physics led him to pursue an M.Sc. in Physics from the University of Ibadan, Nigeria, in 2005, followed by an M.Phil. in Exploration Geophysics in 2018. Dr. Ozegin further advanced his academic credentials with a Ph.D. in Exploration Geophysics from the University of Benin, Nigeria, in 2020. His dedication to exploring the intricacies of Earth’s subsurface was evident from the early stages of his academic career.

💼 Professional Endeavors

Dr. Kesyton Ozegin has built an esteemed career in academia, currently serving as a Senior Lecturer in the Department of Physics at Ambrose Alli University, Ekpoma, Nigeria. He has held various teaching positions since joining the university in 2006, progressing from Assistant Lecturer to Lecturer II, Lecturer I, and now Senior Lecturer. His technical expertise spans a wide array of methods used in solid Earth and space physics, including geoelectrical, electromagnetic (VLF), ground magnetic, aeromagnetic, seismic methods, GIS, remote sensing, and machine learning interventions in geophysics.

🔬 Contributions and Research Focus

Dr. Ozegin’s research focus is on several critical aspects of geophysics, with a particular emphasis on solid Earth and space physics. His studies have delved into the delineation of structural features favorable to groundwater and mineral potentials, geophysical assessments of structural failures, and the exploration of hydrocarbon potentials in sedimentary basins in Nigeria. He has also contributed to investigations of subsurface corrosion severity and dumpsite characterization, which are crucial for environmental studies. His research on the geophysical investigation of subsurface soil properties for agricultural crop productivity has applications that extend beyond academic research, benefiting various industries and communities.

🌍 Impact and Influence

Dr. Ozegin’s work has made a significant impact on the field of solid Earth and space physics, particularly in the context of exploration geophysics. His research in groundwater, mineral, and hydrocarbon exploration has contributed to the understanding of the Earth’s subsurface and its potential resources. Moreover, his use of machine learning interventions in geophysics is helping to push the boundaries of how technology can assist in geophysical studies. His research has influenced both academia and industry, particularly in the application of geophysical methods to practical challenges in Nigeria and beyond.

🏆Academic Cites

Dr. Ozegin’s contributions to solid Earth and space physics are well-recognized in academic literature, with his work frequently cited in geophysical research. His investigations into various geophysical methods, including seismic and geoelectrical methods, have added valuable insights to the body of knowledge in the field. His publications have provided a foundation for further research and have been referenced by peers working in similar areas of exploration geophysics.

🌟 Legacy and Future Contributions

Dr. Kesyton Ozegin’s legacy in the field of solid Earth and space physics is still unfolding, as he continues to contribute to the academic and professional communities. As he progresses toward a Reader (Associate Professor) position in 2024, Dr. Ozegin’s future contributions are expected to further shape the field of geophysics, particularly in the areas of structural analysis, resource exploration, and environmental assessments. His ongoing work with machine learning in geophysics will likely continue to enhance the ways in which technology is applied to the study of the Earth’s subsurface.

Solid Earth and Space Physics

Dr. Kesyton Ozegin's extensive expertise in solid Earth and space physics has significantly advanced the understanding of geophysical methods for resource exploration and environmental studies. His contributions to the application of geophysical methods in solid Earth and space physics continue to influence both academic research and real-world practices. As he continues to push the boundaries of geophysical research, Dr. Ozegin’s work in solid Earth and space physics will undoubtedly leave a lasting impact on the field.

📝Notable Publication

📝Integrating in-situ data and spatial decision support systems (SDSS) to identify groundwater potential sites in the Esan plateau, Nigeria

Authors: Ozegin, K.O., Ilugbo, S.O., Alile, O.M., Iluore, K.

Journal: Groundwater for Sustainable Development

Year: 2024

Citations: 2

📝Leveraging geospatial technology and AHP for groundwater potential zonation in parts of South and North-Central Nigeria

Authors: Ozegin, K.O., Ilugbo, S.O., Akande, O.N.

Journal: Sustainable Water Resources Management

Year: 2024

Citations: 3

📝Spatial evaluation of groundwater vulnerability using the DRASTIC-L model with the analytic hierarchy process (AHP) and GIS approaches in Edo State, Nigeria

Authors: Ozegin, K.O., Ilugbo, S.O., Adebo, B.

Journal: Physics and Chemistry of the Earth

Year: 2024

Citations: 9

📝Ionospheric GPS-VTEC forecasting using hybrid deep learning model (LSTM-CNN)

Authors: Iluore, K., Lu, J., Ozegin, K.O.

Journal: Journal of Space Safety Engineering

Year: 2024

Citations: 0

📝Evaluation of potentially susceptible flooding areas leveraging geospatial technology with multicriteria decision analysis in Edo State, Nigeria

Authors: Ozegin, K.O., Ilugbo, S.O.

Journal: Natural Hazards Research

Year: 2024

Citations: 0

📝A triangulation approach for groundwater potential evaluation using geospatial technology and multi-criteria decision analysis (MCDA) in Edo State, Nigeria

Authors: Ozegin, K.O., Ilugbo, S.O.

Journal: Journal of African Earth Sciences

Year: 2024

Citations: 7