A. O. Nier

11.6k total citations · 1 hit paper
122 papers, 4.2k citations indexed

About

A. O. Nier is a scholar working on Astronomy and Astrophysics, Atmospheric Science and Spectroscopy. According to data from OpenAlex, A. O. Nier has authored 122 papers receiving a total of 4.2k indexed citations (citations by other indexed papers that have themselves been cited), including 54 papers in Astronomy and Astrophysics, 40 papers in Atmospheric Science and 20 papers in Spectroscopy. Recurrent topics in A. O. Nier's work include Astro and Planetary Science (42 papers), Planetary Science and Exploration (28 papers) and Atmospheric Ozone and Climate (26 papers). A. O. Nier is often cited by papers focused on Astro and Planetary Science (42 papers), Planetary Science and Exploration (28 papers) and Atmospheric Ozone and Climate (26 papers). A. O. Nier collaborates with scholars based in United States, Canada and Germany. A. O. Nier's co-authors include Michael B. McElroy, D. J. Schlutter, W. E. Potter, K. Mauersberger, J. H. Hoffman, Walter H. Johnson, Yuk L. Yung, D. Krankowsky, D. C. Kayser and K. Biemann and has published in prestigious journals such as Science, Journal of the American Chemical Society and Journal of Geophysical Research Atmospheres.

In The Last Decade

A. O. Nier

117 papers receiving 3.3k citations

Hit Papers

align trajectories sort by overperformance

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.

Composition and structure of Mars' Upper atmosphere: Results from the neutral mass spectrometers on Viking 1 and 2

1977 384 citations A. O. Nier, Michael B. McElroy profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
A. O. Nier	2.8k	1.2k	512	506	427	122	4.2k
D. Krankowsky	1.9k 0.7×	1.8k 1.5×	625 1.2×	399 0.8×	179 0.4×	83	3.3k
P. D. Feldman	7.3k 2.7×	2.4k 1.9×	728 1.4×	614 1.2×	545 1.3×	384	8.6k
J. H. Hoffman	3.9k 1.4×	1.0k 0.8×	270 0.5×	364 0.7×	642 1.5×	96	4.6k
H. Niemann	4.7k 1.7×	1.4k 1.1×	584 1.1×	478 0.9×	423 1.0×	132	5.6k
J. Geiss	7.4k 2.7×	1.1k 0.9×	205 0.4×	778 1.5×	242 0.6×	213	8.0k
T. M. Donahue	6.6k 2.4×	2.8k 2.2×	438 0.9×	518 1.0×	514 1.2×	187	8.1k
A. L. Broadfoot	4.2k 1.5×	1.4k 1.1×	318 0.6×	124 0.2×	390 0.9×	122	5.0k
D. E. Shemansky	5.2k 1.9×	1.7k 1.3×	866 1.7×	216 0.4×	303 0.7×	164	6.9k
Vladimir A. Krasnopolsky	4.7k 1.7×	1.9k 1.5×	454 0.9×	379 0.7×	607 1.4×	152	5.5k
Michael F. A’Hearn	8.1k 2.9×	1.2k 1.0×	477 0.9×	1.2k 2.3×	674 1.6×	296	8.6k

Countries citing papers authored by A. O. Nier

Since Specialization

Citations

This map shows the geographic impact of A. O. Nier'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 A. O. Nier with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites A. O. Nier more than expected).

Fields of papers citing papers by A. O. Nier

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by A. O. Nier. 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 A. O. Nier. The network helps show where A. O. Nier may publish in the future.

Co-authorship network of co-authors of A. O. Nier

This figure shows the co-authorship network connecting the top 25 collaborators of A. O. Nier. A scholar is included among the top collaborators of A. O. Nier 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 A. O. Nier. A. O. Nier 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

Thomas, K. L., G. E. Blanford, S. J. Clemett, et al.. (1995). An asteroidal breccia: The anatomy of a cluster IDP. Geochimica et Cosmochimica Acta. 59(13). 2797–2815. 47 indexed citations

Nier, A. O. & D. J. Schlutter. (1993). Extraction of He and NE from Individual Lunar Ilmenite Grains by Pulse Heating. Metic. 28(3). 412. 2 indexed citations

Brownlee, D. E., D. J. Joswiak, Stanley G. Love, et al.. (1993). Properties of Cometary and Asteroidal IDPs Identified by He Temperature-Release Profiles. Meteoritics and Planetary Science. 28(3). 332. 5 indexed citations

Nier, A. O. & D. J. Schlutter. (1993). Helium in interplanetary dust particles. 270(21). 1075–84. 2 indexed citations

Nier, A. O. & D. J. Schlutter. (1992). Extraction of Helium from Individual IDPs and Lunar Grains by Pulse Heating. Metic. 27(3). 268. 2 indexed citations

Klöck, W., G. J. Flynn, S. R. Sutton, & A. O. Nier. (1992). Two Isotopic Signatures of N and Extinct 129I in the Acapulco Meteorite: Implications for the Origin and History. Meteoritics and Planetary Science. 27(3). 243–244. 11 indexed citations

Nier, A. O. & D. J. Schlutter. (1990). Helium and Neon Isotopes in Individual Stratospheric Particles--A Further Study. LPI. 21. 883. 1 indexed citations

Nier, A. O., D. J. Schlutter, & D. E. Brownlee. (1990). Helium and neon isotopes in deep Pacific ocean sediments. Geochimica et Cosmochimica Acta. 54(1). 173–182. 39 indexed citations

Nier, A. O., D. J. Schlutter, & D. E. Brownlee. (1988). Helium and Neon in Individual Extraterrestrial Particles. Lunar and Planetary Science Conference. 19. 858. 1 indexed citations

10.

Nier, A. O. & D. J. Schlutter. (1988). Helium Isotopic Ratios in Native and Processed Metals. LPICo. 23. 109. 2 indexed citations

11.

Nier, A. O., D. J. Schlutter, & D. E. Brownlee. (1987). Helium and Neon Isotopes in Extraterrestrial Particles. LPI. 18. 720. 1 indexed citations

12.

Nier, A. O., D. J. Schlutter, & D. E. Brownlee. (1987). Helium and Neon Isotopes in Deep Pacific Cosmic Dust Particles. Meteoritics and Planetary Science. 22. 472. 2 indexed citations

13.

Orsini, Nicola, D. G. Torr, H. C. Brinton, et al.. (1977). Determination of the N₂⁺ recombination rate coefficient in the ionosphere. Geophysical Research Letters. 4(10). 431–433. 19 indexed citations

14.

Nier, A. O., W. B. Hanson, A. Seiff, et al.. (1976). Composition and Structure of the Martian Atmosphere: Preliminary Results from Viking 1. Science. 193(4255). 786–788. 102 indexed citations

15.

Nier, A. O.. (1965). The neutral composition of the thermosphere. Annales de Geophysique. 22(4). 102. 3 indexed citations

16.

Nier, A. O.. (1963). New Unified Scale for Atomic Masses and Weights. The Physics Teacher. 1(1). 11–16. 1 indexed citations

17.

Kistemaker, J., Jacob Bigeleisen, & A. O. Nier. (1959). Proceedings of the International Symposium on Isotope Separation (M. Pahl). 14. 588. 1 indexed citations

18.

Signer, P. & A. O. Nier. (1959). An upper limit for radiogenic A38 in potassium minerals. Geochimica et Cosmochimica Acta. 16(4). 302–303. 3 indexed citations

19.

Nier, A. O.. (1958). Mass Spectroscopy.. Journal of the American Chemical Society. 80(24). 6696–6696. 1 indexed citations

20.

Brown, Allan H., A. O. Nier, & Richard W. Norman. (1952). Measurement of Metabolic Gas Exchange with a Recording Mass Spectrometer. PLANT PHYSIOLOGY. 27(2). 320–334. 29 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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