World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Earth Science 44 4605 1755 137 11382

P.A. Witherspoon publications per year

The chart shows the history of publications by P.A. Witherspoon between 1957 and 2013, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. P.A. Witherspoon published across 57 years, from 1957 to 2013, averaging 2.8 papers a year. Output peaked at 12 publications in 1977. 3 of the 162 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1957 to 2013. Vertical axis: number of publications, 0 to 12. Peak 12 publications in 1977. 1957: 1 publication 1958: 1 publication 1959: 2 publications 1960: 1 publication 1961: 1 publication 1962: 2 publications 1963: 2 publications 1964: 0 publications 1965: 2 publications 1966: 3 publications 1967: 3 publications 1968: 4 publications 1969: 6 publications 1970: 3 publications 1971: 4 publications 1972: 3 publications 1973: 5 publications 1974: 2 publications 1975: 2 publications 1976: 5 publications 1977: 12 publications 1978: 11 publications 1979: 6 publications 1980: 6 publications 1981: 4 publications 1982: 9 publications 1983: 8 publications 1984: 5 publications 1985: 2 publications 1986: 2 publications 1987: 3 publications 1988: 4 publications 1989: 4 publications 1990: 4 publications 1991: 5 publications 1992: 5 publications 1993: 0 publications 1994: 3 publications 1995: 5 publications 1996: 1 publication 1997: 2 publications 1998: 0 publications 1999: 1 publication 2000: 2 publications 2001: 0 publications 2002: 0 publications 2003: 0 publications 2004: 0 publications 2005: 1 publication 2006: 0 publications 2007: 0 publications 2008: 0 publications 2009: 0 publications 2010: 1 publication 2011: 1 publication 2012: 0 publications 2013: 3 publications
1957 2013

162 publications in total across all disciplines

View publications per year as a table
P.A. Witherspoon: publications per year, 1957 to 2013
Year Publications
1957 1
1958 1
1959 2
1960 1
1961 1
1962 2
1963 2
1964 0
1965 2
1966 3
1967 3
1968 4
1969 6
1970 3
1971 4
1972 3
1973 5
1974 2
1975 2
1976 5
1977 12
1978 11
1979 6
1980 6
1981 4
1982 9
1983 8
1984 5
1985 2
1986 2
1987 3
1988 4
1989 4
1990 4
1991 5
1992 5
1993 0
1994 3
1995 5
1996 1
1997 2
1998 0
1999 1
2000 2
2001 0
2002 0
2003 0
2004 0
2005 1
2006 0
2007 0
2008 0
2009 0
2010 1
2011 1
2012 0
2013 3
Total 162
Download as CSV

P.A. Witherspoon publication distribution in Earth Science in 2026

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 P.A. Witherspoon sits on this spectrum.

No. of scientists
100 200 300 400 500
Bar chart with 58 bars. Horizontal axis: publications, 38–47 to 603+. Vertical axis: number of scientists, 0 to 557. Most scientists, 557, have 128–137 publications. The last bar groups every scientist with 603 publications or more. The highlighted bar, 128–137 publications, is where this scientist sits. 38–47 publications: 5 scientists 48–57 publications: 33 scientists 58–67 publications: 94 scientists 68–77 publications: 161 scientists 78–87 publications: 278 scientists 88–97 publications: 376 scientists 98–107 publications: 404 scientists 108–117 publications: 484 scientists 118–127 publications: 540 scientists 128–137 publications: 557 scientists 138–147 publications: 491 scientists 148–157 publications: 495 scientists 158–167 publications: 458 scientists 168–177 publications: 490 scientists 178–187 publications: 414 scientists 188–197 publications: 401 scientists 198–207 publications: 333 scientists 208–217 publications: 292 scientists 218–227 publications: 290 scientists 228–237 publications: 262 scientists 238–247 publications: 243 scientists 248–257 publications: 208 scientists 258–267 publications: 185 scientists 268–277 publications: 147 scientists 278–287 publications: 128 scientists 288–297 publications: 119 scientists 298–307 publications: 120 scientists 308–317 publications: 107 scientists 318–327 publications: 93 scientists 328–337 publications: 87 scientists 338–347 publications: 64 scientists 348–357 publications: 87 scientists 358–367 publications: 60 scientists 368–377 publications: 60 scientists 378–387 publications: 34 scientists 388–397 publications: 50 scientists 398–407 publications: 44 scientists 408–417 publications: 31 scientists 418–427 publications: 39 scientists 428–437 publications: 27 scientists 438–447 publications: 36 scientists 448–457 publications: 27 scientists 458–467 publications: 29 scientists 468–477 publications: 30 scientists 478–487 publications: 19 scientists 488–497 publications: 15 scientists 498–507 publications: 18 scientists 508–517 publications: 19 scientists 518–527 publications: 16 scientists 528–537 publications: 10 scientists 538–547 publications: 11 scientists 548–557 publications: 14 scientists 558–567 publications: 11 scientists 568–577 publications: 7 scientists 578–587 publications: 14 scientists 588–597 publications: 5 scientists 598–602 publications: 4 scientists 603+ publications: 100 scientists
38–47 publications 603+

This scientist: 137 publications — 32nd percentile

32% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 603 publications or more.

View publications distribution as a table
Number of Earth Science scientists by publication count, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
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
128–137 557 137
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
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
Download as CSV

P.A. Witherspoon D-index placement in Earth Science in 2026

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 P.A. Witherspoon sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 77 bars. Horizontal axis: D-Index, 30 to 106+. Vertical axis: number of scientists, 0 to 389. Most scientists, 389, have 36 D-Index. The last bar groups every scientist with 106 D-Index or more. The highlighted bar, 44 D-Index, is where this scientist sits. 30 D-Index: 144 scientists 31 D-Index: 215 scientists 32 D-Index: 278 scientists 33 D-Index: 379 scientists 34 D-Index: 366 scientists 35 D-Index: 372 scientists 36 D-Index: 389 scientists 37 D-Index: 366 scientists 38 D-Index: 344 scientists 39 D-Index: 349 scientists 40 D-Index: 296 scientists 41 D-Index: 289 scientists 42 D-Index: 277 scientists 43 D-Index: 279 scientists 44 D-Index: 248 scientists 45 D-Index: 257 scientists 46 D-Index: 212 scientists 47 D-Index: 202 scientists 48 D-Index: 207 scientists 49 D-Index: 204 scientists 50 D-Index: 183 scientists 51 D-Index: 178 scientists 52 D-Index: 182 scientists 53 D-Index: 178 scientists 54 D-Index: 163 scientists 55 D-Index: 117 scientists 56 D-Index: 163 scientists 57 D-Index: 120 scientists 58 D-Index: 113 scientists 59 D-Index: 136 scientists 60 D-Index: 135 scientists 61 D-Index: 96 scientists 62 D-Index: 103 scientists 63 D-Index: 83 scientists 64 D-Index: 103 scientists 65 D-Index: 83 scientists 66 D-Index: 89 scientists 67 D-Index: 92 scientists 68 D-Index: 89 scientists 69 D-Index: 78 scientists 70 D-Index: 75 scientists 71 D-Index: 53 scientists 72 D-Index: 62 scientists 73 D-Index: 54 scientists 74 D-Index: 35 scientists 75 D-Index: 52 scientists 76 D-Index: 50 scientists 77 D-Index: 32 scientists 78 D-Index: 37 scientists 79 D-Index: 20 scientists 80 D-Index: 33 scientists 81 D-Index: 36 scientists 82 D-Index: 34 scientists 83 D-Index: 34 scientists 84 D-Index: 24 scientists 85 D-Index: 19 scientists 86 D-Index: 18 scientists 87 D-Index: 26 scientists 88 D-Index: 30 scientists 89 D-Index: 17 scientists 90 D-Index: 21 scientists 91 D-Index: 19 scientists 92 D-Index: 15 scientists 93 D-Index: 14 scientists 94 D-Index: 20 scientists 95 D-Index: 9 scientists 96 D-Index: 10 scientists 97 D-Index: 15 scientists 98 D-Index: 13 scientists 99 D-Index: 3 scientists 100 D-Index: 13 scientists 101 D-Index: 3 scientists 102 D-Index: 9 scientists 103 D-Index: 4 scientists 104 D-Index: 6 scientists 105 D-Index: 6 scientists 106+ D-Index: 98 scientists
30 D-Index 106+

This scientist: 44 D-Index — 50th percentile

50% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 106 D-Index or more.

View D-Index distribution as a table
Number of Earth Science scientists by D-index, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
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 44
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
Download as CSV

Overview

P.A. Witherspoon was affiliated with the University of California, Berkeley in the United States. Their academic career included contributions to the university's body of research and engagement with the academic community during their lifetime.

The record indicates no specific recent papers, co-authors, publication venues, or book publications associated with Witherspoon. Similarly, there is no detailed data regarding their main fields or subfields of study, nor specific topics of research coverage available from the source information.

The absence of listed awards suggests that no officially recorded honors or recognitions have been documented in this source data.

Details about Witherspoon's broader scholarly impact, research focus, or scientific contributions remain unrecorded here. However, their association with a major research institution such as the University of California, Berkeley implies involvement in academic activities and potentially instructional duties during their tenure.

Given that Witherspoon is deceased, all references to their career reflect past activities and affiliations. The lack of publicly available publication or citation records in this instance limits the scope of a detailed profile based strictly on the provided data.

Best Publications

  • Validity of cubic law for fluid flow in a deformable rock fracture. Technical information report No. 23

    Unknown

  • Porous media equivalents for networks of discontinuous fractures

    Unknown

  • Hydromechanical behavior of a deformable rock fracture subject to normal stress

    Unknown

  • A Laboratory Investigation of Foam Flow in Sandstone at Elevated Pressure

    Peter Persoff;C.J. Radke;Karsten Pruess;S.M. Benson

  • Theory of Flow in a Confined Two Aquifer System

    Shlomo P. Neuman;Paul A. Witherspoon

  • The relationship of the degree of interconnection to permeability in fracture networks

    Unknown

  • Density-driven flow of gas in the unsaturated zone due to the evaporation of volatile organic compounds

    Ronald W. Falta;Iraj Javandel;Karsten Pruess;Paul A. Witherspoon

  • Coupled thermal-hydraulic-mechanical phenomena in saturated fractured porous rocks: numerical approach

    J. Noorishad;C. F. Tsang;P. A. Witherspoon

  • Numerical modeling of steam injection for the removal of nonaqueous phase liquids from the subsurface. 1. Numerical formulation

    Ronald W. Falta;Karsten Pruess;Iraj Javandel;Paul A. Witherspoon

  • A Model for Steady Fluid Flow in Random Three‐Dimensional Networks of Disc‐Shaped Fractures

    Unknown

  • Applicability of Current Theories of Flow in Leaky Aquifers

    Shlomo P. Neuman;Paul A. Witherspoon

  • Analysis of Nonsteady Flow with a Free Surface Using the Finite Element Method

    Shlomo P. Neuman;Paul A. Witherspoon

  • Field determination of the hydraulic properties of leaky multiple aquifer systems

    Shlomo P. Neuman;Paul A. Witherspoon

  • The dependence of fracture mechanical and fluid flow properties on fracture roughness and sample size

    Unknown

  • Flow and Displacement of Bingham Non-Newtonian Fluids in Porous Media

    Y.S. Wu;K. Pruess;P.A. Witherspoon

  • The fractal dimension of pores in sedimentary rocks and its influence on permeability

    E.M. Schlueter;R.W. Zimmerman;P.A. Witherspoon;N.G.W. Cook

  • A finite-element method for coupled stress and fluid flow analysis in fractured rock masses

    Unknown

  • Numerical modeling of steam injection for the removal of nonaqueous phase liquids from the subsurface: 2. Code validation and application

    Ronald W. Falta;Karsten Pruess;Iraj Javandel;Paul A. Witherspoon

  • Observations of a potential size effect in experimental determination of the hydraulic properties of fractures

    Unknown

  • Coupled salt and water flows in a groundwater basin

    James A. Greenberg;James K. Mitchell;Paul A. Witherspoon

  • Application of the Finite Element Method to Transient Flow in Porous Media

    Iraj Javandel;P.A. Witherspoon

  • Dynamics of fluids in fractured rock

    Boris Faybishenko;Paul Adams Witherspoon;Sally Benson

  • Theoretical and field studies of coupled hydromechanical behaviour of fractured rocks—1. Development and verification of a numerical simulator

    J. Noorishad;C.F. Tsang;P.A. Witherspoon

  • Theory of the development of geothermal systems charged by vertical faults

    G. S. Bodvarsson;S. M. Benson;P. A. Witherspoon

  • Chemico-Osmotic Effects in Fine-Grained Soils

    James K. Mitchell;James A. Greenberg;Paul A. Witherspoon

  • Pressure Interference Effects Within Reservoirs and Aquifers

    Thomas D. Mueller;Paul A. Witherspoon

  • Dynamics of Fluids and Transport in Fractured Rock

    Boris Faybishenko;Paul Adams Witherspoon;John Edward Gale

  • Aqueous Foams for Control of Gas Migration and Water Coning in Aquifer Gas Storage

    P. Persoff;K. Pruess;S.M. Benson;Y.S. Wu

  • A New Model for Well Test Data Analysis for Naturally Fractured Reservoirs

    C.H. Lai;G.S. Bodvarsson;C.F. Tsang;P.A. Witherspoon

  • Analysis Of The Response Of Geothermal Reservoirs Under Injection And Production Procedures

    Marcelo J. Lippmann;Chin Fu Tsang;Paul A. Witherspoon

  • Rock Mass Characterization for Storage of Nuclear Waste in Granite

    P. A. Witherspoon;P. Nelson;T. Doe;R. Thorpe

  • Investigations at Berkeley on Fracture Flow in Rocks: From the Parallel Plate Model to Chaotic Systems

    Paul A. Witherspoon

Frequent Co-Authors

Sally M. Benson
Sally M. Benson Stanford University
Clayton J. Radke
Clayton J. Radke University of California, Berkeley
Karsten Pruess
Karsten Pruess Lawrence Berkeley National Laboratory
Gudmundur S. Bodvarsson
Gudmundur S. Bodvarsson Lawrence Berkeley National Laboratory
Yu-Shu Wu
Yu-Shu Wu Colorado School of Mines
Chin-Fu Tsang
Chin-Fu Tsang Lawrence Berkeley National Laboratory
Christine Doughty
Christine Doughty Lawrence Berkeley National Laboratory
Herbert F. Wang
Herbert F. Wang University of Wisconsin–Madison

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For those interested in expanding their knowledge beyond Earth Science, exploring related online degrees can open up diverse career options. Seniors considering further education may find valuable guidance in the article about college degrees for seniors, highlighting flexible and accessible programs tailored to mature learners.

Many Earth Science graduates benefit from advanced research and information management skills, which are often developed through degrees like the online mlis degree ala accredited. This program is ideal for those aiming to work with scientific data curation or geographic information systems in libraries and archives.

Is a master's in a specialized field worth pursuing? The discussion around is a masters in library science worth it provides valuable insights for students considering a transition to information management or academic support roles within Earth Science institutions.

Additionally, the creative application of digital technology in Earth Science can be enhanced by skills gained from an online photography degree. This complements careers involving environmental documentation, scientific visualization, and multimedia communication.

Best Scientists Citing P.A. Witherspoon

Recently Published Articles