World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Engineering and Technology 57 2625 2506 38 38 312 12969
Earth Science 56 2390 2169 6 6 294 12860

Eng Choon Leong publications per year

The chart shows the history of publications by Eng Choon Leong between 1988 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Eng Choon Leong published across 38 years, from 1988 to 2025, averaging 9.9 papers a year. Output peaked at 53 publications in 2000. 25 of the 375 publications appeared in the last two years.

No. of publications
10 20 30 40 50
Bar chart. Horizontal axis: year, 1988 to 2025. Vertical axis: number of publications, 0 to 53. Peak 53 publications in 2000. 1988: 1 publication 1989: 0 publications 1990: 2 publications 1991: 2 publications 1992: 2 publications 1993: 0 publications 1994: 1 publication 1995: 1 publication 1996: 1 publication 1997: 4 publications 1998: 1 publication 1999: 3 publications 2000: 53 publications 2001: 6 publications 2002: 4 publications 2003: 6 publications 2004: 13 publications 2005: 6 publications 2006: 10 publications 2007: 10 publications 2008: 7 publications 2009: 9 publications 2010: 10 publications 2011: 20 publications 2012: 15 publications 2013: 10 publications 2014: 13 publications 2015: 16 publications 2016: 19 publications 2017: 9 publications 2018: 19 publications 2019: 19 publications 2020: 10 publications 2021: 9 publications 2022: 6 publications 2023: 33 publications 2024: 12 publications 2025: 13 publications
1988 2025

375 publications in total across all disciplines

View publications per year as a table
Eng Choon Leong: publications per year, 1988 to 2025
Year Publications
1988 1
1989 0
1990 2
1991 2
1992 2
1993 0
1994 1
1995 1
1996 1
1997 4
1998 1
1999 3
2000 53
2001 6
2002 4
2003 6
2004 13
2005 6
2006 10
2007 10
2008 7
2009 9
2010 10
2011 20
2012 15
2013 10
2014 13
2015 16
2016 19
2017 9
2018 19
2019 19
2020 10
2021 9
2022 6
2023 33
2024 12
2025 13
Total 375
Download as CSV

Eng Choon Leong publications per year - data summary

  • Eng Choon Leong, a Earth Science scholar from Nanyang Technological University, has 375 publications recorded across 38 years, from 1988 to 2025.
  • The oldest publication on record dates to 1988 and the most recent to 2025.
  • The most productive year is 2000, with 53 publications.
  • The least productive years with any output are 1988, 1994, 1995, 1996 and others, with 1 publication each.
  • 2 of the 38 years in the span carry no publications at all (1989 and 1993).
  • The rate of publication averages 9.9 papers per year over the whole span, or 10.4 per year counting only the 36 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 73 publications, 19% of the career total.
  • Split into equal eras - 1988-2000: 71 publications (5.5 per year); 2001-2013: 126 publications (9.7 per year); 2014-2025: 178 publications (14.8 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Eng Choon Leong 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 Eng Choon Leong 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, 288–297 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: 294 publications — 86th percentile

86% 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
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
288–297 119 294
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

Eng Choon Leong publication distribution in Earth Science in 2026 - data summary

  • The chart plots the publication count of all 9,176 Earth Science scientists ranked by Research.com in 2026, grouped into 58 ranges running from 38–47 to 603+ publications.
  • Eng Choon Leong, a Earth Science scholar from Nanyang Technological University, records 294 publications - the 86th percentile of the discipline.
  • 86% of ranked Earth Science scientists score the same or lower than Eng Choon Leong, and about 14% score higher.
  • The median of the discipline falls in the 168–177 publications range, and Eng Choon Leong ranks above the median.
  • The most crowded range is 128–137 publications, holding 557 scientists (6% of the field).
  • 58% of the field sits in the lowest quarter of the value range (up to 178–187 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 603 publications or more, 100 scientists in all (1% of the field).

Eng Choon Leong 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 Eng Choon Leong 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, 56 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: 56 D-Index — 75th percentile

75% 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
45 257
46 212
47 202
48 207
49 204
50 183
51 178
52 182
53 178
54 163
55 117
56 163 56
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

Eng Choon Leong D-index placement in Earth Science in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 9,176 Earth Science scientists ranked by Research.com in 2026, grouped into 77 ranges running from 30 to 106+ D-Index.
  • Eng Choon Leong, a Earth Science scholar from Nanyang Technological University, records 56 D-Index - the 75th percentile of the discipline.
  • 75% of ranked Earth Science scientists score the same or lower than Eng Choon Leong, and about 25% score higher.
  • The median of the discipline falls in the 44 D-Index range, and Eng Choon Leong ranks above the median.
  • The most crowded range is 36 D-Index, holding 389 scientists (4% of the field).
  • 62% of the field sits in the lowest quarter of the value range (up to 49 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 106 D-Index or more, 98 scientists in all (1% of the field).

Overview

Eng Choon Leong is affiliated with Nanyang Technological University in Singapore and primarily conducts research in the field of Engineering, with a specific focus on Civil and Structural Engineering.

Their research covers several subfields including:

  • Civil and Structural Engineering
  • Management, Monitoring, Policy and Law
  • Safety, Risk, Reliability and Quality
  • Mechanics of Materials
  • Geophysics

Eng Choon Leong's work addresses a variety of topics within geotechnical engineering and related areas, notably:

  • Geotechnical Engineering and Underground Structures
  • Geotechnical Engineering and Soil Mechanics
  • Soil and Unsaturated Flow
  • Geotechnical Engineering and Soil Stabilization
  • Landslides and related hazards
  • Geotechnical Engineering and Analysis
  • Numerical methods in engineering

The scientist has contributed to multiple publications over several years. Recent examples include:

  • Post Covid-19 water and waste water management to protect public health and geoenvironment (2020), Environmental Geotechnics
  • Assessment of critical rainfall scenarios for slope stability analyses based on historical rainfall records in Singapore (2022), Environmental Earth Sciences
  • Environmental geotechnics: challenges and opportunities in the post-Covid-19 world (2020), Environmental Geotechnics
  • A modified series-parallel electrical resistivity model of saturated sand/clay mixture (2021), Engineering Geology
  • Effect of mean grain size on shear modulus degradation and damping ratio curves of sands (2022), Géotechnique

Frequent publication venues where the scientist's work appears include:

  • International Journal of Geotechnical Engineering
  • Environmental Geotechnics
  • Ocean Engineering
  • Geotechnical Testing Journal
  • E3S Web of Conferences

Collaborative research with various frequent coauthors is notable in their publication record. These coauthors include:

  • Hossam Abuel-Naga
  • Wenjie Ma
  • Changdan Wang
  • Binglong Wang
  • Shunhua Zhou

Best Publications

  • Review of soil-water characteristic curve equations

    E. C. Leong;H. Rahardjo

  • PERMEABILITY FUNCTIONS FOR UNSATURATED SOILS

    Eng Choon Leong;Harianto Rahardjo

  • Factors Controlling Instability of Homogeneous Soil Slopes under Rainfall

    Harianto Rahardjo;Harianto Rahardjo;T. H. Ong;T. H. Ong;R. B. Rezaur;R. B. Rezaur;Eng Choon Leong;Eng Choon Leong

  • CONTROLLING PARAMETERS FOR RAINFALL-INDUCED LANDSLIDES

    Illias Tsaparas;Harianto Rahardjo;David G. Toll;Eng Choon Leong

  • Infiltration effects on stability of a residual soil slope

    J. M. Gasmo;Harianto Rahardjo;Eng Choon Leong

  • Response of a residual soil slope to rainfall

    H Rahardjo;T T Lee;E C Leong;R B Rezaur

  • The effect of antecedent rainfall on slope stability

    H. Rahardjo;X. W. Li;D. G. Toll;E. C. Leong

  • Factors affecting the filter paper method for total and matric suction measurements

    Eng Choon Leong;Liangcai He;Harianto Rahardjo

  • Factors affecting drying and wetting soil-water characteristic curves of sandy soils

    Hong Yang;Harianto Rahardjo;Eng Choon Leong;Delwyn G. Fredlund

  • Effect of Antecedent Rainfall Patterns on Rainfall-Induced Slope Failure

    Arezoo Rahimi;Harianto Rahardjo;Eng Choon Leong

  • Total suction measurement of unsaturated soils with a device using the chilled-mirror dew-point technique

    Eng Choon Leong;Sudhiranjan Tripathy;Harianto Rahardjo

  • Characteristics of residual soils in Singapore as formed by weathering

    Harianto Rahardjo;K. K. Aung;Eng Choon Leong;R. B. Rezaur

  • Measuring Shear Wave Velocity Using Bender Elements

    Eng Choon Leong;Sir Hoon Yeo;Harianto Rahardjo

  • One-dimensional analysis of soil plugs in pipe piles

    M. F. Randolph;E. C. Leong;G. T. Houlsby

  • Effect of hydraulic properties of soil on rainfall-induced slope failure

    Arezoo Rahimi;Harianto Rahardjo;Eng Choon Leong

  • Indirect Measurement of Suction

    Rifat Bulut;Eng Choon Leong

  • Effects of Groundwater Table Position and Soil Properties on Stability of Slope during Rainfall

    Harianto Rahardjo;Alfrendo Satyanaga Nio;Eng Choon Leong;Ng Yew Song

  • Variability of residual soil properties

    Harianto Rahardjo;Alfrendo Satyanaga;Eng Choon Leong;Yew Song Ng

  • Mechanics of Residual Soils

    G. E. Blight;E. C. Leong

  • Water characteristic curve of soil with bimodal grain-size distribution

    Alfrendo Satyanaga;Harianto Rahardjo;Eng Choon Leong;Jing-Yuan Wang

Frequent Co-Authors

Harianto Rahardjo
Harianto Rahardjo Nanyang Technological University
Delwyn G. Fredlund
Delwyn G. Fredlund University of Saskatchewan
Mark Randolph
Mark Randolph University of Western Australia
Kay Soon Low
Kay Soon Low National University of Singapore
Sukant K. Tripathy
Sukant K. Tripathy University of Massachusetts Lowell
Abdelmalek Bouazza
Abdelmalek Bouazza Monash University
Ahmed Elgamal
Ahmed Elgamal University of California, San Diego
Adrian Wing-Keung Law
Adrian Wing-Keung Law National University of Singapore
Guy T. Houlsby
Guy T. Houlsby University of Oxford
Yiik Diew Wong
Yiik Diew Wong Nanyang Technological University

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

Studying Earth Science in the USA opens doors to a wide range of related online degrees and career pathways. Many professionals seek to complement their scientific knowledge by pursuing interdisciplinary programs. For instance, students interested in organizational leadership within environmental sectors may explore online masters programs in human resource management to enhance skills that support team and project management.

For older adults considering a career change or upskilling, there are several flexible options ideal for non-traditional learners. The article on the best degrees for older adults highlights programs that can accommodate varied schedules and pace, helping them transition smoothly into Earth Science-related roles or administrative support within scientific communities.

Library and information sciences also intersect meaningfully with Earth Science, particularly in managing scientific data and resources. Students might pursue an ala mlis programs to develop expertise in information management tailored for scientific research environments.

Additionally, pursuing a library science degree can prepare graduates for careers in digital archiving and knowledge management, supporting critical Earth Science initiatives. These pathways illustrate the diverse and evolving opportunities linked to Earth Science education.

Best Scientists Citing Eng Choon Leong

Trending Scientists

Recently Published Articles