N. U. Crooker

8.9k total citations · 1 hit paper
152 papers, 6.6k citations indexed

About

N. U. Crooker is a scholar working on Astronomy and Astrophysics, Molecular Biology and Geophysics. According to data from OpenAlex, N. U. Crooker has authored 152 papers receiving a total of 6.6k indexed citations (citations by other indexed papers that have themselves been cited), including 147 papers in Astronomy and Astrophysics, 82 papers in Molecular Biology and 9 papers in Geophysics. Recurrent topics in N. U. Crooker's work include Solar and Space Plasma Dynamics (141 papers), Ionosphere and magnetosphere dynamics (122 papers) and Geomagnetism and Paleomagnetism Studies (82 papers). N. U. Crooker is often cited by papers focused on Solar and Space Plasma Dynamics (141 papers), Ionosphere and magnetosphere dynamics (122 papers) and Geomagnetism and Paleomagnetism Studies (82 papers). N. U. Crooker collaborates with scholars based in United States, United Kingdom and Germany. N. U. Crooker's co-authors include G. L. Siscoe, M. J. Owens, J. T. Gosling, S. W. Kahler, E. W. Cliver, E. J. Smith, C. T. Russell, J. Feynman, D. F. Webb and Pete Riley and has published in prestigious journals such as Nature, Journal of Geophysical Research Atmospheres and The Astrophysical Journal.

In The Last Decade

N. U. Crooker

150 papers receiving 5.6k 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.

Dayside merging and cusp geometry

1979 556 citations N. U. Crooker Journal of Geophysical Research Atmospheres profile →

Peers

N. U. Crooker

AA

MB

GEOPH

AS

OCEAN

J. T. Steinberg United States

F. Mariani United States

J. H. King United States

N. Gopalswamy United States

J. T. Gosling United States

D. F. Webb United States

J. M. Weygand United States

Chin‐Chun Wu United States

O. C. St. Cyr United States

S. Yashiro United States

J. T. Steinberg United States

N. U. Crooker

6.7k ×1.0

AA

2.5k ×0.8

MB

632 ×1.1

GEOPH

328 ×1.3

AS

166 ×0.9

OCEAN

Citations per year, relative to N. U. Crooker N. U. Crooker (= 1×) peers J. T. Steinberg

Countries citing papers authored by N. U. Crooker

Since Specialization

Citations

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

Fields of papers citing papers by N. U. Crooker

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by N. U. Crooker. 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 N. U. Crooker. The network helps show where N. U. Crooker may publish in the future.

Co-authorship network of co-authors of N. U. Crooker

This figure shows the co-authorship network connecting the top 25 collaborators of N. U. Crooker. A scholar is included among the top collaborators of N. U. Crooker 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 N. U. Crooker. N. U. Crooker is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

1.

Riley, Pete, R. Lionello, J. A. Linker, et al.. (2015). INFERRING THE STRUCTURE OF THE SOLAR CORONA AND INNER HELIOSPHERE DURING THE MAUNDER MINIMUM USING GLOBAL THERMODYNAMIC MAGNETOHYDRODYNAMIC SIMULATIONS. The Astrophysical Journal. 802(2). 105–105. 52 indexed citations

2.

Crooker, N. U., R. L. McPherron, & M. J. Owens. (2014). Comparison of interplanetary signatures of streamers and pseudostreamers. Journal of Geophysical Research Space Physics. 119(6). 4157–4163. 17 indexed citations

3.

Crooker, N. U., et al.. (2012). Global network of slow solar wind. Journal of Geophysical Research Atmospheres. 117(A4). 51 indexed citations

4.

Skoug, R. M., J. T. Steinberg, N. U. Crooker, et al.. (2010). Reconnection and Disconnection: Observations of Suprathermal Electron Heat Flux Dropouts. AIP conference proceedings. 600–603. 2 indexed citations

5.

Crooker, N. U. & M. J. Owens. (2010). Impact of coronal mass ejections, interchange reconnection, and disconnection on heliospheric magnetic field strength. CentAUR (University of Reading). 428. 279. 2 indexed citations

6.

McPherron, R. L., D. N. Baker, & N. U. Crooker. (2008). Role of the Russell–McPherron effect in the acceleration of relativistic electrons. Journal of Atmospheric and Solar-Terrestrial Physics. 71(10-11). 1032–1044. 80 indexed citations

7.

Forsyth, R. J., V. Bothmer, C. Cid, et al.. (2006). ICMEs in the Inner Heliosphere: Origin, Evolution and Propagation Effects. Space Science Reviews. 123(1-3). 383–416. 74 indexed citations

8.

Crooker, N. U., et al.. (2005). Disconnection Signatures of Field-Line Opening in ICME Legs?. AGU Fall Meeting Abstracts. 2005. 1 indexed citations

9.

Richardson, J. D., I. G. Richardson, J. C. Kasper, et al.. (2003). Helium variation in the solar wind. 535(535). 521–526. 1 indexed citations

10.

Siscoe, G. L., N. U. Crooker, G. M. Erickson, et al.. (2002). MHD properties of magnetosheath flow. Planetary and Space Science. 50(5-6). 461–471. 30 indexed citations

11.

Crooker, N. U., S. W. Kahler, & J. T. Gosling. (2001). Reducing heliospheric magnetic flux from CMEs without disconnection. AGU Spring Meeting Abstracts. 2001. 12 indexed citations

12.

McAllister, A. H., S. F. Martin, N. U. Crooker, R. P. Lepping, & R. J. Fitzenreiter. (2001). A test of real‐time prediction of magnetic cloud topology and geomagnetic storm occurrence from solar signatures. Journal of Geophysical Research Atmospheres. 106(A12). 29185–29194. 25 indexed citations

13.

Lepping, R. P., et al.. (2000). Studying CMEs Using LASCO and In-situ Observations of Halo Events. 31. 2 indexed citations

14.

Crooker, N. U.. (1999). Heliospheric current sheet structure. AIP conference proceedings. 93–98. 6 indexed citations

15.

Crooker, N. U., et al.. (1995). Cusp currents from ionospheric vorticity generated by gasdynamic and merging flow fields at the magnetopause. Journal of Geophysical Research Atmospheres. 100(A5). 7641–7647. 2 indexed citations

16.

Crooker, N. U.. (1994). Replacing the solar flare myth. Nature. 367(6464). 595–596. 6 indexed citations

17.

Crooker, N. U. & G. L. Siscoe. (1986). On the limits of energy transfer through dayside merging. Journal of Geophysical Research Atmospheres. 91(A12). 13393–13397. 40 indexed citations

18.

Crooker, N. U.. (1983). Solar cycle variations of the solar wind. NASA Technical Reports Server (NASA). 228. 7 indexed citations

19.

Crooker, N. U., T. E. Eastman, L. A. Frank, E. J. Smith, & C. T. Russell. (1981). Energetic magnetosheath ions and the interplanetary magnetic field orientation. Journal of Geophysical Research Atmospheres. 86(A6). 4455–4460. 47 indexed citations

20.

Crooker, N. U.. (1979). Dayside merging and cusp geometry. Journal of Geophysical Research Atmospheres. 84(A3). 951–959. 556 indexed citations breakdown →

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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