R. J. Walker

Active 1960–2024

Also published as
R.J. Walker · R J Walker
113
Papers
25,036
Citations
83
h-index
108
i10-index

Citations

Citations per year for R. J. Walker1967: 5 citations1968: 4 citations1969: 6 citations1970: 6 citations1971: 8 citations1972: 7 citations1973: 10 citations1974: 3 citations1975: 9 citations1976: 12 citations1977: 14 citations1978: 30 citations1979: 19 citations1980: 17 citations1981: 9 citations1982: 7 citations1983: 9 citations1984: 9 citations1985: 13 citations1986: 16 citations1987: 16 citations1988: 15 citations1989: 25 citations1990: 16 citations1991: 20 citations1992: 22 citations1993: 25 citations1994: 25 citations1995: 33 citations1996: 56 citations1997: 49 citations1998: 107 citations1999: 108 citations2000: 116 citations2001: 107 citations2002: 104 citations2003: 134 citations2004: 140 citations2005: 102 citations2006: 85 citations2007: 109 citations2008: 121 citations2009: 131 citations2010: 123 citations2011: 155 citations2012: 147 citations2013: 166 citations2014: 167 citations2015: 171 citations2016: 121 citations2017: 150 citations2018: 98 citations2019: 182 citations2020: 192 citations2021: 195 citations2022: 130 citations2023: 63 citations2024: 157 citations2025: 46 citations2026: 1 citations

Citation sources

Countries

World map of the countries and regions citing this authorUnited States: 1,136 citing papers, 24% of this breakdownChina: 746 citing papers, 15.8% of this breakdownUnited Kingdom: 413 citing papers, 8.7% of this breakdownAustralia: 308 citing papers, 6.5% of this breakdownCanada: 293 citing papers, 6.2% of this breakdownGermany: 292 citing papers, 6.2% of this breakdownFrance: 242 citing papers, 5.1% of this breakdownJapan: 127 citing papers, 2.7% of this breakdownRussia: 124 citing papers, 2.6% of this breakdownSwitzerland: 78 citing papers, 1.6% of this breakdownItaly: 65 citing papers, 1.4% of this breakdownAustria: 63 citing papers, 1.3% of this breakdown
0%24%Other 17.9%

Fields

  • Earth and Planetary Sciences55.1%
  • Physics and Astronomy20.4%
  • Neuroscience7%
  • Biochemistry, Genetics and Molecular Biology5.7%
  • Computer Science3.3%
  • Medicine1.7%
  • Other6.8%

Topics

  • Geological and Geochemical Analysis19%
  • Geochemistry and Geologic Mapping16.4%
  • earthquake and tectonic studies8.4%
  • High-pressure geophysics and materials6.9%
  • Geomagnetism and Paleomagnetism Studies6.1%
  • Ionosphere and magnetosphere dynamics4.5%
  • Other38.7%

Coauthors

All papers

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  1. Destruction of the North China Craton in the Mesozoic

    Authors: , , , , - Annual Review of Earth and Planetary Sciences 2018 cited by 699

  2. Bursty bulk flows in the inner central plasma sheet

    Authors: , , , , , , , , - Journal of Geophysical Research Atmospheres 1992 cited by 1,169

  3. Induced magnetic fields as evidence for subsurface oceans in Europa and Callisto

    Authors: , , , , , , - Nature 1998 cited by 665

  4. U-Pb Monazite Geochronology of Granitic Rocks from Maine: Implications for Late Paleozoic Tectonics in the Northern Appalachians

    Authors: , , - The Journal of Geology 1996 cited by 215

  5. Re-Os Ages of Group IIA, IIIA, IVA, and IVB Iron Meteorites

    Authors: , , - Science 1996 cited by 1,355

  6. Statistical characteristics of bursty bulk flow events

    Authors: , , , , , , , , , - Journal of Geophysical Research Atmospheres 1994 cited by 783

  7. Galileo Magnetometer Measurements: A Stronger Case for a Subsurface Ocean at Europa

    Authors: , , , , , - Science 2000 cited by 724

  8. Diffusion-driven extreme lithium isotopic fractionation in country rocks of the Tin Mountain pegmatite

    Authors: , , , - Earth and Planetary Science Letters 2006 cited by 255

  9. Probabilistic models of the Jovian magnetopause and bow shock locations

    Authors: , , , , , - Journal of Geophysical Research Atmospheres 2002 cited by 244

  10. THE Re-OsISOTOPE SYSTEM IN COSMOCHEMISTRY AND HIGH-TEMPERATURE GEOCHEMISTRY

    Authors: , - Annual Review of Earth and Planetary Sciences 1998 cited by 966

  11. Highly siderophile element composition of the Earth’s primitive upper mantle: Constraints from new data on peridotite massifs and xenoliths

    Authors: , , , , , - Geochimica et Cosmochimica Acta 2006 cited by 594

  12. The absence of lithium isotope fractionation during basalt differentiation: new measurements by multicollector sector ICP-MS

    Authors: , , , - Geochimica et Cosmochimica Acta 1999 cited by 281

  13. Reconnection and flows in the Jovian magnetotail as inferred from magnetometer observations

    Authors: , , , , - Journal of Geophysical Research Atmospheres 2010 cited by 120

  14. Osmium isotopic compositions of mantle xenoliths: a global perspective

    Authors: , , , - Geochimica et Cosmochimica Acta 2001 cited by 696

  15. Discovery of Ganymede's magnetic field by the Galileo spacecraft

    Authors: , , , , , , , , - Nature 1996 cited by 410

  16. A review of FMRFamide- and RFamide-like peptides in metazoa

    Authors: , , - Invertebrate Neuroscience 2009 cited by 128

  17. Trace element constraints on pegmatite genesis: Tin Mountain pegmatite, Black Hills, South Dakota

    Authors: , , - Contributions to Mineralogy and Petrology 1989 cited by 34

  18. The osmium isotopic composition of the Earth's primitive upper mantle

    Authors: , , - Nature 1996 cited by 387

  19. Samples returned from the asteroid Ryugu are similar to Ivuna-type carbonaceous meteorites

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Akira Ishikawa, Motoo Ito, Shoichi Itoh, Noriyuki Kawasaki, N. T. Kita, Kouki Kitajima, T. Kleine, Shintaro Komatani, Alexander N. Krot, Ming‐Chang Liu, Yuki Masuda, K. D. McKeegan, Mayu Morita, Kazuko Motomura, Frédéric Moynier, A. N. Nguyen, L. R. Nittler, Morihiko Onose, Andreas Pack, Changkun Park, Laurette Piani, Liping Qin, S. S. Russell, Naoya Sakamoto, Maria Schönbächler, Lauren Tafla, Haolan Tang, Kentaro Terada, Yasuko Terada, Tomohiro Usui, Sohei Wada, M. Wadhwa, R. J. Walker, Katsuyuki Yamashita, Qing‐Zhu Yin, Shigekazu Yoneda, Hiroharu Yui, Ai‐Cheng Zhang, H. C. Connolly, D. S. Lauretta, Tomoki Nakamura, Hiroshi Naraoka, T. Noguchi, Ryuji Okazaki, Kanako Sakamoto, Hikaru Yabuta, Masanao Abe, Masahiko Arakawa, Atsushi Fujii, Masahiko Hayakawa, Naoyuki Hirata, Naru Hirata, Rie Honda, Chikatoshi Honda, S Hosoda, Yuichi Iijima, Hitoshi Ikeda, Masateru Ishiguro, Yoshiaki Ishihara, Takahiro Iwata, Kosuke Kawahara, Shota Kikuchi, K. Kitazato, Koji Matsumoto, M. Matsuoka, Tatsuhiro Michikami, Yuya Mimasu, Akira Miura, Tomokatsu Morota, Satoru Nakazawa and 49 more - Science 2022 cited by 336

  20. Temporal Evolution of the Lithospheric Mantle beneath the Eastern North China Craton

    Authors: , , , , , , , - Journal of Petrology 2009 cited by 264

  21. Tungsten-182 heterogeneity in modern ocean island basalts

    Authors: , , , , , , , - Science 2017 cited by 250

  22. Mirror mode structures in the Jovian magnetosheath

    Authors: , , , , , - Journal of Geophysical Research Atmospheres 2006 cited by 129

  23. Sulphation of colonic and rectal mucin in inflammatory bowel disease: reduced sulphation of rectal mucus in ulcerative colitis

    Authors: , , , , , - Clinical Science 1992 cited by 123

  24. Improved mapping of Jupiter's auroral features to magnetospheric sources

    Authors: , , , , , , - Journal of Geophysical Research Atmospheres 2011 cited by 114