| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Earth Science | 31 | 8982 | 8349 | 2909 | 2575 | 158 | 3367 |
The chart shows the history of publications by David C. Twichell between 1977 and 2017, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. David C. Twichell published across 41 years, from 1977 to 2017, averaging 4.3 papers a year. Output peaked at 16 publications in 2005. 2 of the 177 publications appeared in the last two years.
177 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1977 | 1 |
| 1978 | 2 |
| 1979 | 2 |
| 1980 | 1 |
| 1981 | 9 |
| 1982 | 5 |
| 1983 | 3 |
| 1984 | 0 |
| 1985 | 1 |
| 1986 | 2 |
| 1987 | 3 |
| 1988 | 1 |
| 1989 | 3 |
| 1990 | 2 |
| 1991 | 3 |
| 1992 | 4 |
| 1993 | 6 |
| 1994 | 2 |
| 1995 | 2 |
| 1996 | 10 |
| 1997 | 4 |
| 1998 | 4 |
| 1999 | 8 |
| 2000 | 10 |
| 2001 | 3 |
| 2002 | 4 |
| 2003 | 12 |
| 2004 | 6 |
| 2005 | 16 |
| 2006 | 3 |
| 2007 | 5 |
| 2008 | 2 |
| 2009 | 12 |
| 2010 | 9 |
| 2011 | 10 |
| 2012 | 3 |
| 2013 | 2 |
| 2014 | 0 |
| 2015 | 0 |
| 2016 | 1 |
| 2017 | 1 |
| Total | 177 |
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 David C. Twichell sits on this spectrum.
This scientist: 158 publications — 43rd percentile
43% 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 | 158 |
| 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 | |
| 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 David C. Twichell sits on this spectrum.
This scientist: 31 D-Index — 4th percentile
4% 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 | 31 |
| 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 | |
| 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 |
David C. Twichell is affiliated with the United States Geological Survey in the United States. Their professional profile is rooted in this key federal scientific agency known for its research on natural resources and natural hazards.
There are no records of recent papers authored by David C. Twichell available at this time.
Information regarding frequent co-authors is not present, suggesting a lack of accessible data on collaborative research partnerships.
Details on venues where David C. Twichell has frequently published are not reported, indicating either a diverse range of publication sources or limited bibliographic information.
There is no data concerning book publications credited to David C. Twichell, which may suggest the scientist's contributions are primarily in other formats or unpublished works.
Specific main fields of study for David C. Twichell are not listed, leaving the precise disciplinary focus unspecified.
Similarly, subfields of study have not been documented in conjunction with their profile.
No information is available regarding main topics of work pursued by David C. Twichell, which restricts detailed insight into their thematic research areas.
There are no recorded awards associated with David C. Twichell, and thus no indications of distinctions received throughout their career.
Lincoln F. Pratson;William B.F. Ryan;Gregory S. Mountain;David C. Twichell
David C. Twichell;David G. Roberts
Uri S. ten Brink;Homa J. Lee;Eric L. Geist;David Twichell
David C. Twichell;Jason D. Chaytor;Uri S. ten Brink;Brian Buczkowski
David C. Twichell;Charles E. McClennen;Bradford Butman
David C. Twichell;William C. Schwab;C. Hans Nelson;Neil H. Kenyon
William C. Schwab;Homa J. Lee;David C. Twichell;Jacques Locat
Roman N. Zajac;Ralph S. Lewis;Lawrence J. Poppe;David C. Twichell
B.D. Jarrett;A.C. Hine;R.B. Halley;D.F. Naar
C. Hans Nelson;David C. Twichell;William C. Schwab;Homa J. Lee
William C. Schwab;Homa J. Lee;David C. Twichell
Bonnie McGregor;William L. Stubblefield;William B. F. Ryan;David C. Twichell
Jacques Locat;Homa Lee;Uri S. ten Brink;David Twichell
C. Hans Nelson;Carlota Escutia;John E. Damuth;David C. Twichell
James V. Gardner;Michael E. Field;David C. Twichell
David C. Twichell;Harley J. Knebel;David W. Folger
David C. Twichell
David C. Twichell;Neil H. Kenyon;Lindsay M. Parson;Bonnie A. McGregor
Charles K. Paull;Fred N. Spiess;Joseph R. Curray;David C. Twichell
Guy Gelfenbaum;Christopher R. Sherwood;Curt D. Peterson;George M. Kaminsky
David C. Twichell;Veeann A. Cross;Andrew D. Hanson;Brenda J. Buck
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