| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Earth Science | 66 | 1360 | 1206 | 608 | 523 | 468 | 12106 |
The chart shows the history of publications by Robert T. Pappalardo between 1989 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Robert T. Pappalardo published across 37 years, from 1989 to 2025, averaging 14.6 papers a year. Output peaked at 51 publications in 1997. 21 of the 542 publications appeared in the last two years.
542 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1989 | 1 |
| 1990 | 0 |
| 1991 | 2 |
| 1992 | 0 |
| 1993 | 2 |
| 1994 | 4 |
| 1995 | 4 |
| 1996 | 12 |
| 1997 | 51 |
| 1998 | 47 |
| 1999 | 34 |
| 2000 | 15 |
| 2001 | 12 |
| 2002 | 9 |
| 2003 | 14 |
| 2004 | 15 |
| 2005 | 13 |
| 2006 | 10 |
| 2007 | 17 |
| 2008 | 21 |
| 2009 | 31 |
| 2010 | 21 |
| 2011 | 11 |
| 2012 | 9 |
| 2013 | 11 |
| 2014 | 17 |
| 2015 | 18 |
| 2016 | 19 |
| 2017 | 21 |
| 2018 | 21 |
| 2019 | 13 |
| 2020 | 15 |
| 2021 | 15 |
| 2022 | 9 |
| 2023 | 7 |
| 2024 | 12 |
| 2025 | 9 |
| Total | 542 |
The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where Robert T. Pappalardo sits on this spectrum.
This scientist: 468 publications — 97th percentile
97% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 603 publications or more.
| Publications | Scientists | This scientist |
|---|---|---|
| 38–47 | 5 | |
| 48–57 | 33 | |
| 58–67 | 94 | |
| 68–77 | 161 | |
| 78–87 | 278 | |
| 88–97 | 376 | |
| 98–107 | 404 | |
| 108–117 | 484 | |
| 118–127 | 540 | |
| 128–137 | 557 | |
| 138–147 | 491 | |
| 148–157 | 495 | |
| 158–167 | 458 | |
| 168–177 | 490 | |
| 178–187 | 414 | |
| 188–197 | 401 | |
| 198–207 | 333 | |
| 208–217 | 292 | |
| 218–227 | 290 | |
| 228–237 | 262 | |
| 238–247 | 243 | |
| 248–257 | 208 | |
| 258–267 | 185 | |
| 268–277 | 147 | |
| 278–287 | 128 | |
| 288–297 | 119 | |
| 298–307 | 120 | |
| 308–317 | 107 | |
| 318–327 | 93 | |
| 328–337 | 87 | |
| 338–347 | 64 | |
| 348–357 | 87 | |
| 358–367 | 60 | |
| 368–377 | 60 | |
| 378–387 | 34 | |
| 388–397 | 50 | |
| 398–407 | 44 | |
| 408–417 | 31 | |
| 418–427 | 39 | |
| 428–437 | 27 | |
| 438–447 | 36 | |
| 448–457 | 27 | |
| 458–467 | 29 | |
| 468–477 | 30 | 468 |
| 478–487 | 19 | |
| 488–497 | 15 | |
| 498–507 | 18 | |
| 508–517 | 19 | |
| 518–527 | 16 | |
| 528–537 | 10 | |
| 538–547 | 11 | |
| 548–557 | 14 | |
| 558–567 | 11 | |
| 568–577 | 7 | |
| 578–587 | 14 | |
| 588–597 | 5 | |
| 598–602 | 4 | |
| 603+ | 100 |
The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where Robert T. Pappalardo sits on this spectrum.
This scientist: 66 D-Index — 86th percentile
86% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 106 D-Index or more.
| D-Index | Scientists | This scientist |
|---|---|---|
| 30 | 144 | |
| 31 | 215 | |
| 32 | 278 | |
| 33 | 379 | |
| 34 | 366 | |
| 35 | 372 | |
| 36 | 389 | |
| 37 | 366 | |
| 38 | 344 | |
| 39 | 349 | |
| 40 | 296 | |
| 41 | 289 | |
| 42 | 277 | |
| 43 | 279 | |
| 44 | 248 | |
| 45 | 257 | |
| 46 | 212 | |
| 47 | 202 | |
| 48 | 207 | |
| 49 | 204 | |
| 50 | 183 | |
| 51 | 178 | |
| 52 | 182 | |
| 53 | 178 | |
| 54 | 163 | |
| 55 | 117 | |
| 56 | 163 | |
| 57 | 120 | |
| 58 | 113 | |
| 59 | 136 | |
| 60 | 135 | |
| 61 | 96 | |
| 62 | 103 | |
| 63 | 83 | |
| 64 | 103 | |
| 65 | 83 | |
| 66 | 89 | 66 |
| 67 | 92 | |
| 68 | 89 | |
| 69 | 78 | |
| 70 | 75 | |
| 71 | 53 | |
| 72 | 62 | |
| 73 | 54 | |
| 74 | 35 | |
| 75 | 52 | |
| 76 | 50 | |
| 77 | 32 | |
| 78 | 37 | |
| 79 | 20 | |
| 80 | 33 | |
| 81 | 36 | |
| 82 | 34 | |
| 83 | 34 | |
| 84 | 24 | |
| 85 | 19 | |
| 86 | 18 | |
| 87 | 26 | |
| 88 | 30 | |
| 89 | 17 | |
| 90 | 21 | |
| 91 | 19 | |
| 92 | 15 | |
| 93 | 14 | |
| 94 | 20 | |
| 95 | 9 | |
| 96 | 10 | |
| 97 | 15 | |
| 98 | 13 | |
| 99 | 3 | |
| 100 | 13 | |
| 101 | 3 | |
| 102 | 9 | |
| 103 | 4 | |
| 104 | 6 | |
| 105 | 6 | |
| 106+ | 98 |
Robert T. Pappalardo is affiliated with the California Institute of Technology in the United States. Their research focuses on fields within Physics and Astronomy as well as Earth and Planetary Sciences. The primary subfields of study include Astronomy and Astrophysics, Atmospheric Science, Geophysics, Oceanography, and Environmental Chemistry.
The scientist's work spans a range of main topics, prominently featuring Astro and Planetary Science, Planetary Science and Exploration, Geology and Paleoclimatology Research, Methane Hydrates and Related Phenomena, Spacecraft and Cryogenic Technologies, Geophysics and Gravity Measurements, and earthquake and tectonic studies.
Recent publications highlight contributions to the study of Jupiter's moon Europa and related space missions. Key papers include:
Frequent co-authors collaborating with Robert T. Pappalardo include:
Their work has been published in various venues with several recurrent publication sources, such as:
Michael H. Carr;Michael J. S. Belton;Clark R. Chapman;Merton E. Davies
Robert T. Pappalardo;Michael J.S. Belton;H.H. Breneman;M.H. Carr
R.T. Pappalardo;J.W. Head;R. Greeley;R.J. Sullivan
Richard Greenberg;Paul Geissler;Gregory Hoppa;B.Randall Tufts
F. Nimmo;J. R. Spencer;R. T. Pappalardo;M. E. Mullen
F. Nimmo;R. T. Pappalardo
S. D. Vance;K. P. Hand;R. T. Pappalardo
Cynthia B. Phillips;Robert T. Pappalardo
Ronald Greeley;Robert Sullivan;James Klemaszewski;Kim Homan
M J. S. Belton;J W. Head;A. P. Ingersoll;R. Greeley
Samuel M. Howell;Robert T. Pappalardo
P. E. Geissler;R. Greenberg;G. Hoppa;P. Helfenstein
Louise M. Prockter;Louise M. Prockter;James W. Head;Robert T. Pappalardo;Robert J. Sullivan
Sarah A. Fagents;Ronald Greeley;Robert J. Sullivan;Robert T. Pappalardo
Louise M. Prockter;and Robert T. Pappalardo
Francis Nimmo;Robert T. Pappalardo;Robert T. Pappalardo
Ronald Greeley;Patricio H. Figueredo;David A. Williams;Frank C. Chuang
A. S. McEwen;M. J. S. Belton;H. H. Breneman;S. A. Fagents
P.E. Geissler;R. Greenberg;G. Hoppa;A. McEwen
R. T. Pappalardo;S. Vance;F. Bagenal;B. G. Bills
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Studying Earth Science in the USA opens doors to a variety of interdisciplinary fields, many of which offer flexible online degree options. For older adults considering a return to education, exploring the degrees for older adults can provide valuable insights into programs tailored for mature learners seeking career advancement or personal growth.
For those interested in combining Earth Science with information management, pursuing an ALA-accredited program in Library and Information Science is a practical pathway. Such programs emphasize the skills needed for managing scientific data and archives effectively.
Wondering if a career in library science is viable? The answer is affirmative, as a is library science a good career article highlights the growing demand for information professionals, especially in scientific communities where data curation is critical.
Additionally, Earth Science professionals with a creative flair might find pursuing online studies at photography colleges online rewarding, enabling them to capture and communicate geological phenomena through visual media.
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