C. O. Ao

6.1k total citations · 2 hit papers
99 papers, 3.1k citations indexed

About

C. O. Ao is a scholar working on Astronomy and Astrophysics, Atmospheric Science and Aerospace Engineering. According to data from OpenAlex, C. O. Ao has authored 99 papers receiving a total of 3.1k indexed citations (citations by other indexed papers that have themselves been cited), including 78 papers in Astronomy and Astrophysics, 46 papers in Atmospheric Science and 43 papers in Aerospace Engineering. Recurrent topics in C. O. Ao's work include Ionosphere and magnetosphere dynamics (68 papers), GNSS positioning and interference (40 papers) and Geophysics and Gravity Measurements (31 papers). C. O. Ao is often cited by papers focused on Ionosphere and magnetosphere dynamics (68 papers), GNSS positioning and interference (40 papers) and Geophysics and Gravity Measurements (31 papers). C. O. Ao collaborates with scholars based in United States, Spain and Japan. C. O. Ao's co-authors include A. J. Mannucci, Kun Li, Dian J. Seidel, Jin Au Kong, Kung‐Hau Ding, Leung Tsang, G. A. Hajj, Manuel de la Torre Juárez, E. R. Kursinski and Feiqin Xie and has published in prestigious journals such as Journal of Geophysical Research Atmospheres, The Astrophysical Journal and Remote Sensing of Environment.

In The Last Decade

C. O. Ao

92 papers receiving 3.1k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Scattering of Electromagnetic Waves: Numerical Simulations

2001 569 citations C. O. Ao et al. profile →
Estimating climatological planetary boundary layer heights from radiosonde observations: Comparison of methods and uncertainty analysis

2010 496 citations C. O. Ao et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
C. O. Ao United States	23	1.7k	1.4k	1.1k	926	722	99	3.1k
Xiankang Dou China	36	1.4k 0.8×	3.3k 2.3×	924 0.8×	837 0.9×	553 0.8×	264	4.5k
W. Linwood Jones United States	33	2.0k 1.1×	828 0.6×	417 0.4×	668 0.7×	1.8k 2.5×	340	4.6k
K. S. Gage United States	33	3.1k 1.8×	1.4k 1.0×	2.0k 1.8×	346 0.4×	764 1.1×	94	3.9k
Chester S. Gardner United States	53	4.3k 2.5×	5.6k 4.0×	1.5k 1.3×	787 0.8×	1.0k 1.4×	237	7.4k
G. Beyerle Germany	26	1.3k 0.8×	1.5k 1.0×	804 0.7×	1.0k 1.1×	864 1.2×	81	2.5k
Joël Sommeria France	35	1.2k 0.7×	997 0.7×	720 0.7×	179 0.2×	1.1k 1.6×	107	4.3k
P. W. Rosenkranz United States	25	3.1k 1.8×	310 0.2×	2.1k 1.9×	308 0.3×	364 0.5×	81	3.7k
Benjamin M. Herman United States	34	3.2k 1.8×	1.5k 1.1×	2.8k 2.6×	1.3k 1.4×	698 1.0×	95	4.7k
W. L. Ecklund United States	39	2.6k 1.5×	2.1k 1.5×	1.5k 1.3×	691 0.7×	587 0.8×	122	4.2k
S. E. Palo United States	32	1.5k 0.9×	3.0k 2.1×	448 0.4×	656 0.7×	534 0.7×	144	3.5k

Countries citing papers authored by C. O. Ao

Since Specialization

Citations

This map shows the geographic impact of C. O. Ao's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by C. O. Ao with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites C. O. Ao more than expected).

Fields of papers citing papers by C. O. Ao

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by C. O. Ao. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by C. O. Ao. The network helps show where C. O. Ao may publish in the future.

Co-authorship network of co-authors of C. O. Ao

This figure shows the co-authorship network connecting the top 25 collaborators of C. O. Ao. A scholar is included among the top collaborators of C. O. Ao based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with C. O. Ao. C. O. Ao is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Teixeira, João, Jeffrey R. Piepmeier, Amin R. Nehrir, et al.. (2025). Toward a Global Planetary Boundary Layer Observing System: A Summary. Bulletin of the American Meteorological Society. 106(8). E1566–E1579. 3 indexed citations

Ao, C. O., et al.. (2025). Genome-wide characterization of the AlkB homolog (ALKBH) gene family in Litopenaeus vannamei identifies LvALKBH1 and LvALKBH8 as promising crustacean m6A demethylases involved in molting regulation and ammonia stress response. International Journal of Biological Macromolecules. 302. 140425–140425.

Padullés, Ramon, Estel Cardellach, Santi Oliveras, et al.. (2024). The PAZ polarimetric radio occultation research dataset for scientific applications. Earth system science data. 16(12). 5643–5663. 2 indexed citations

Turk, F. Joseph, Estel Cardellach, Manuel de la Torre Juárez, et al.. (2024). Advances in the Use of Global Navigation Satellite System Polarimetric Radio Occultation Measurements for NWP and Weather Applications. Bulletin of the American Meteorological Society. 105(6). E905–E914. 5 indexed citations

Vergados, Panagiotis, et al.. (2023). Approaches for Retrieving Sulfur Species Abundances from Dual X–Ka-band Radio Occultations of Venus with EnVision and VERITAS. The Planetary Science Journal. 4(4). 71–71. 2 indexed citations

Ao, C. O., et al.. (2023). Phase Matching Method for Inversion of Venus Radio Occultation Signals. Radio Science. 58(3). 2 indexed citations

Kurowski, Marcin J., J. Teixeira, C. O. Ao, et al.. (2023). Synthetic Observations of the Planetary Boundary Layer from Space: A Retrieval Observing System Simulation Experiment Framework. Bulletin of the American Meteorological Society. 104(11). E1999–E2022. 4 indexed citations

Xie, Feiqin, et al.. (2020). Ducting and Biases of GPS Radio Occultation Bending Angle and Refractivity in the Moist Lower Troposphere. Journal of Atmospheric and Oceanic Technology. 37(6). 1013–1025. 13 indexed citations

Steiner, Andrea K., Florian Ladstädter, C. O. Ao, et al.. (2020). Consistency and structural uncertainty of multi-mission GPS radio occultation records. Atmospheric measurement techniques. 13(5). 2547–2575. 51 indexed citations

10.

Vergados, Panagiotis, C. O. Ao, A. J. Mannucci, & E. R. Kursinski. (2020). Quantifying the Tropical Upper Tropospheric Warming Amplification Using Radio Occultation Measurements. Earth and Space Science. 8(2). 15 indexed citations

11.

Stephens, Graeme L., et al.. (2019). On the Breathing of the Tropical Troposphere and its relation to the Tropical energy balance. EGU General Assembly Conference Abstracts. 12148. 1 indexed citations

12.

Asmar, S. W., A. J. Mannucci, C. O. Ao, et al.. (2017). Small Spacecraft Constellation Concept for Mars Atmospheric Radio Occultations. AGU Fall Meeting Abstracts. 2017. 1 indexed citations

13.

Vergados, Panagiotis, A. J. Mannucci, C. O. Ao, & Eric J. Fetzer. (2016). Using GPS radio occultations to infer the water vapor feedback. Geophysical Research Letters. 43(22). 5 indexed citations

14.

Mannucci, A. J., C. O. Ao, S. W. Asmar, et al.. (2015). Crosslink Radio Occultation for the Remote Sensing of Planetary Atmospheres. AGU Fall Meeting Abstracts. 2015. 1 indexed citations

15.

Ho, Shu‐peng, et al.. (2013). Applications of COSMIC Radio Occultation Data from the Troposphere to Ionosphere and Potential Impacts of COSMIC-2 Data. Bulletin of the American Meteorological Society. 95(1). ES18–ES22. 19 indexed citations

16.

Ao, C. O., A. J. Mannucci, & E. R. Kursinski. (2012). Improving GPS Radio occultation stratospheric refractivity retrievals for climate benchmarking. Geophysical Research Letters. 39(12). 20 indexed citations

17.

Pi, Xiaoqing, C. D. Edwards, G. A. Hajj, et al.. (2008). A Chapman-Layers Ionspheric Model for Mars. NASA STI/Recon Technical Report N. 8. 32557. 2 indexed citations

18.

Meehan, T. K., C. O. Ao, B. A. Iijima, et al.. (2008). A demonstration of L2C tracking from space for atmospheric occultation. 698–701. 1 indexed citations

19.

Edwards, C. D., C. O. Ao, S. W. Asmar, et al.. (2007). An Assessment of the Scientific Potential and Operational Feasibility of Mars Crosslink Radio Science Observations. 1353. 3259. 3 indexed citations

20.

Kong, J. A., Leung Tsang, Benjamin E. Barrowes, C. O. Ao, & Fernando L. Teixeira. (2000). Monte Carlo Simulation of Electromagnetic Wave Propagation in Dense Random Media with Dielectric Spheroids. IEICE Transactions on Electronics. 83(12). 1797–1802. 17 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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