M. E. Hagan

11.0k total citations · 2 hit papers
130 papers, 8.8k citations indexed

About

M. E. Hagan is a scholar working on Astronomy and Astrophysics, Atmospheric Science and Oceanography. According to data from OpenAlex, M. E. Hagan has authored 130 papers receiving a total of 8.8k indexed citations (citations by other indexed papers that have themselves been cited), including 121 papers in Astronomy and Astrophysics, 52 papers in Atmospheric Science and 36 papers in Oceanography. Recurrent topics in M. E. Hagan's work include Ionosphere and magnetosphere dynamics (113 papers), Solar and Space Plasma Dynamics (82 papers) and Atmospheric Ozone and Climate (42 papers). M. E. Hagan is often cited by papers focused on Ionosphere and magnetosphere dynamics (113 papers), Solar and Space Plasma Dynamics (82 papers) and Atmospheric Ozone and Climate (42 papers). M. E. Hagan collaborates with scholars based in United States, Germany and Japan. M. E. Hagan's co-authors include J. M. Forbes, R. G. Roble, Astrid Maute, F. Vial, Hanli Liu, T. J. Immel, Jens Oberheide, S. England, Xiaoli Zhang and X. Zhang and has published in prestigious journals such as Journal of Geophysical Research Atmospheres, Geophysical Research Letters and Reviews of Geophysics.

In The Last Decade

M. E. Hagan

126 papers receiving 8.4k citations

Hit Papers

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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.

Migrating and nonmigrating diurnal tides in the middle and upper atmosphere excited by tropospheric latent heat release

2002 730 citations M. E. Hagan, J. M. Forbes Journal of Geophysical Research Atmospheres profile →
Control of equatorial ionospheric morphology by atmospheric tides

2006 558 citations T. J. Immel, S. England et al. Geophysical Research Letters profile →

Author Peers

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

Author						Papers	Cites
M. E. Hagan	8.3k	4.2k	1.8k	1.8k	1.3k	130	8.8k
Hanli Liu	7.3k 0.9×	4.6k 1.1×	1.2k 0.7×	1.2k 0.7×	1.3k 1.0×	209	8.1k
R. L. Walterscheid	5.1k 0.6×	2.9k 0.7×	1.1k 0.6×	633 0.4×	935 0.7×	179	5.4k
A. H. Manson	7.4k 0.9×	4.0k 1.0×	1.9k 1.1×	985 0.6×	1.1k 0.8×	278	7.9k
M. G. Mlynczak	8.0k 1.0×	7.3k 1.7×	983 0.5×	882 0.5×	945 0.7×	299	10.0k
Sharon L. Vadas	4.6k 0.6×	2.0k 0.5×	1.2k 0.6×	486 0.3×	1.4k 1.1×	97	4.8k
E. Friis‐Christensen	4.9k 0.6×	1.1k 0.3×	634 0.4×	3.2k 1.8×	1.6k 1.2×	102	6.3k
M. Joan Alexander	8.4k 1.0×	8.9k 2.1×	2.5k 1.4×	398 0.2×	877 0.7×	164	11.4k
Sean Bruinsma	3.7k 0.4×	911 0.2×	2.9k 1.6×	1.8k 1.0×	1.1k 0.9×	136	5.6k
C. O. Hines	6.8k 0.8×	2.7k 0.6×	1.3k 0.7×	1.3k 0.7×	2.1k 1.6×	141	7.6k
H. Takahashi	5.2k 0.6×	2.2k 0.5×	1.0k 0.6×	635 0.4×	1.3k 1.0×	232	5.6k

Countries citing papers authored by M. E. Hagan

Since Specialization

Citations

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

Fields of papers citing papers by M. E. Hagan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by M. E. Hagan. 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 M. E. Hagan. The network helps show where M. E. Hagan may publish in the future.

Co-authorship network of co-authors of M. E. Hagan

This figure shows the co-authorship network connecting the top 25 collaborators of M. E. Hagan. A scholar is included among the top collaborators of M. E. Hagan 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 M. E. Hagan. M. E. Hagan 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

Forbes, J. M., Xiaoli Zhang, M. E. Hagan, et al.. (2017). On the Specification of Upward-Propagating Tides for ICON Science Investigations. Space Science Reviews. 212(1-2). 697–713. 25 indexed citations

Lu, G., M. E. Hagan, K. Häusler, et al.. (2014). Global ionospheric and thermospheric response to the 5 April 2010 geomagnetic storm: An integrated data‐model investigation. Journal of Geophysical Research Space Physics. 119(12). 53 indexed citations

Chang, Loren C., W. E. Ward, S. E. Palo, et al.. (2011). Comparison of diurnal tide in models and ground-based observations during the 2005 equinox CAWSES tidal campaign. Journal of Atmospheric and Solar-Terrestrial Physics. 78-79. 19–30. 20 indexed citations

Immel, T. J., S. B. Mende, M. E. Hagan, P. M. Kintner, & S. England. (2009). Evidence of Tropospheric Effects on the Ionosphere. Eos. 90(9). 69–70. 24 indexed citations

Murphy, D. J., J. M. Forbes, R. L. Walterscheid, et al.. (2006). A climatology of tides in the Antarctic mesosphere and lower thermosphere. Journal of Geophysical Research Atmospheres. 111(D23). 68 indexed citations

She, Chunxing, et al.. (2005). Comparative Study of Short Term Tidal Variability. AGU Spring Meeting Abstracts. 2005. 7 indexed citations

Winick, J. R., P. P. Wintersteiner, R. H. Picard, et al.. (2004). Global Occurrence Statistics of Mesospheric Inversion Layers Obtained From SABER Temperature Profiles. AGU Fall Meeting Abstracts. 2004.

Killeen, T. L., Qian Wu, Jens Oberheide, et al.. (2004). TIMED Doppler Interferometer Observations of Mesosphere and Lower Thermosphere Tides. AGU Fall Meeting Abstracts. 2004. 1 indexed citations

Manson, A. H., C. E. Meek, M. E. Hagan, X. Zhang, & Yi Luo. (2004). Global distributions of diurnal and semidiurnal tides: observations from HRDI-UARS of the MLT region and comparisons with GSWM-02 (migrating, nonmigrating components). Annales Geophysicae. 22(5). 1529–1548. 52 indexed citations

10.

Hagan, M. E. & J. M. Forbes. (2003). Migrating and nonmigrating semidiurnal tides in the upper atmosphere excited by tropospheric latent heat release. Journal of Geophysical Research Atmospheres. 108(A2). 422 indexed citations

11.

Oberheide, Jens, M. E. Hagan, & R. G. Roble. (2003). Tidal signatures and aliasing in temperature data from slowly precessing satellites. Journal of Geophysical Research Atmospheres. 108(A2). 51 indexed citations

12.

Manson, A. H., C. E. Meek, M. E. Hagan, et al.. (2002). Seasonal variations of the semi-diurnal and diurnal tides in the MLT: multi-year MF radar observations from 2–70° N, modelled tides (GSWM, CMAM). Annales Geophysicae. 20(5). 661–677. 57 indexed citations

13.

She, C. Y., et al.. (2001). Tides in the Mesopause Region over Fort Collins, CO (41N, 105W) Based on Lidar Temperature Observations Covering Full Diurnal Cycles. AGU Spring Meeting Abstracts. 2001. 9 indexed citations

14.

Liu, Hanli & M. E. Hagan. (1998). Local heating/cooling of the mesosphere due to gravity wave and tidal coupling. Geophysical Research Letters. 25(15). 2941–2944. 87 indexed citations

15.

Meek, C. E., A. H. Manson, Steven Franke, et al.. (1996). Global study of northern hemisphere quasi-2-day wave events in recent summers near 90 km altitude. Journal of Atmospheric and Terrestrial Physics. 58(13). 1401–1411. 80 indexed citations

16.

Hagan, M. E.. (1996). Comparative effects of migrating solar sources on tidal signatures in the middle and upper atmosphere. Journal of Geophysical Research Atmospheres. 101(D16). 21213–21222. 148 indexed citations

17.

Hagan, M. E., J. M. Forbes, & F. Vial. (1995). On modeling migrating solar tides. Geophysical Research Letters. 22(8). 893–896. 285 indexed citations

18.

Hagan, M. E., J. M. Forbes, & F. Vial. (1993). Numerical investigation of the propagation of the quasi‐two‐day wave into the lower thermosphere. Journal of Geophysical Research Atmospheres. 98(D12). 23193–23205. 138 indexed citations

19.

Hagan, M. E.. (1986). Solar Cycle Variability of Exospheric Temperature at Middle Latitudes.. PhDT. 1 indexed citations

20.

Forbes, J. M. & M. E. Hagan. (1982). Thermospheric extensions of the classical expansion functions for semidiurnal tides. Journal of Geophysical Research Atmospheres. 87(A7). 5253–5259. 65 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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