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Tissa H. Illangasekare

Tissa H. Illangasekare

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Engineering and Technology 52 3651 3497 1069 979 313 9667
Earth Science 51 3228 2951 1292 1148 307 9399

Tissa H. Illangasekare publications per year

The chart shows the history of publications by Tissa H. Illangasekare between 1981 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Tissa H. Illangasekare published across 45 years, from 1981 to 2025, averaging 8.3 papers a year. Output peaked at 22 publications in 2009. 12 of the 372 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1981 to 2025. Vertical axis: number of publications, 0 to 22. Peak 22 publications in 2009. 1981: 2 publications 1982: 2 publications 1983: 0 publications 1984: 2 publications 1985: 1 publication 1986: 1 publication 1987: 3 publications 1988: 1 publication 1989: 7 publications 1990: 3 publications 1991: 6 publications 1992: 3 publications 1993: 2 publications 1994: 6 publications 1995: 8 publications 1996: 3 publications 1997: 4 publications 1998: 2 publications 1999: 2 publications 2000: 4 publications 2001: 7 publications 2002: 11 publications 2003: 6 publications 2004: 6 publications 2005: 14 publications 2006: 20 publications 2007: 17 publications 2008: 16 publications 2009: 22 publications 2010: 16 publications 2011: 16 publications 2012: 19 publications 2013: 21 publications 2014: 16 publications 2015: 15 publications 2016: 6 publications 2017: 14 publications 2018: 8 publications 2019: 7 publications 2020: 9 publications 2021: 11 publications 2022: 11 publications 2023: 10 publications 2024: 7 publications 2025: 5 publications
1981 2025

372 publications in total across all disciplines

View publications per year as a table
Tissa H. Illangasekare: publications per year, 1981 to 2025
Year Publications
1981 2
1982 2
1983 0
1984 2
1985 1
1986 1
1987 3
1988 1
1989 7
1990 3
1991 6
1992 3
1993 2
1994 6
1995 8
1996 3
1997 4
1998 2
1999 2
2000 4
2001 7
2002 11
2003 6
2004 6
2005 14
2006 20
2007 17
2008 16
2009 22
2010 16
2011 16
2012 19
2013 21
2014 16
2015 15
2016 6
2017 14
2018 8
2019 7
2020 9
2021 11
2022 11
2023 10
2024 7
2025 5
Total 372
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Tissa H. Illangasekare 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 Tissa H. Illangasekare 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, 298–307 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: 307 publications — 87th percentile

87% 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
298–307 120 307
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
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Tissa H. Illangasekare 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 Tissa H. Illangasekare 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, 51 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: 51 D-Index — 66th percentile

66% 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 51
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
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Research.com Recognitions

  • 2015 - Fellow of the Soil Science Society of America (SSSA)
  • 2006 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 2005 - Fellow of American Geophysical Union (AGU)

Overview

Tissa H. Illangasekare is affiliated with the Colorado School of Mines in the United States. Their research spans several key fields including Environmental Science and Engineering, with particular focus on Environmental Engineering, Mechanical Engineering, Environmental Chemistry, Ocean Engineering, and Global and Planetary Change.

The scientist's work covers multiple topics with a significant focus on groundwater flow and contamination studies. Other primary areas of research include CO2 sequestration and geologic interactions, hydraulic fracturing and reservoir analysis, per- and polyfluoroalkyl substances (PFAS) research, carbon dioxide capture technologies, toxic organic pollutants impact, and enhanced oil recovery techniques.

Recent papers authored or co-authored by Illangasekare demonstrate ongoing contributions to environmental science and technology. These include:

  • Estimation of Transport Parameters of Perfluoroalkyl Acids (PFAAs) in Unsaturated Porous Media: Critical Experimental and Modeling Improvements, 2022, Environmental Science & Technology
  • Predicting Concentration- and Ionic-Strength-Dependent Air-Water Interfacial Partitioning Parameters of PFASs Using Quantitative Structure-Property Relationships (QSPRs), 2023, Environmental Science & Technology
  • Pore-Scale Mechanisms of Solid Phase Emergence During DNAPL Remediation by Chemical Oxidation, 2022, Environmental Science & Technology
  • Relationship between soil carbon sequestration and the ability of soil aggregates to transport dissolved oxygen, 2021, Geoderma
  • Effects of large-scale heterogeneity and temporally varying hydrologic processes on estimating immobile pore space: A mesoscale-laboratory experimental and numerical modeling investigation, 2021, Journal of Contaminant Hydrology

The frequent co-authors collaborating with Illangasekare include:

  • Eileen E. Hofmann (14 joint publications)
  • Ahmad Askar (7 joint publications)
  • Peter K. Zeitler (7 joint publications)
  • Ana P. Barros (7 joint publications)
  • T. W. Becker (7 joint publications)

Illangasekare has published in a variety of scientific venues. The most frequent publication venues include:

  • Perspectives of Earth and Space Scientists (7 publications)
  • AGU Advances (7 publications)
  • Journal of Contaminant Hydrology (4 publications)
  • Environmental Science & Technology (3 publications)
  • Water Resources Research (3 publications)

The scientist has received recognition in the form of fellowships, including:

  • Fellow of the Soil Science Society of America (SSSA), 2015
  • Fellow of the American Association for the Advancement of Science (AAAS), 2006
  • Fellow of American Geophysical Union (AGU), 2005

Best Publications

  • Twenty-three unsolved problems in hydrology (UPH)–a community perspective

    Günter Blöschl;Marc F.P. Bierkens;Antonio Chambel;Christophe Cudennec

  • Particle Size Distribution, Concentration, and Magnetic Attraction Affect Transport of Polymer-Modified Fe 0 Nanoparticles in Sand Columns

    Tanapon Phenrat;Hye-Jin Kim;Fritjof Fagerlund;Tissa Illangasekare

  • A review of NAPL source zone remediation efficiency and the mass flux approach.

    K. Soga;J.W.E. Page;T.H. Illangasekare

  • Retention of Greenland runoff by refreezing: Implications for projected future sea level change

    W. Tad Pfeffer;Mark F. Meier;Tissa H. Illangasekare

  • Experimental study of movement and distribution of dense organic contaminants in heterogeneous aquifers

    Tissa H Illangasekare;James L Ramsey;Karsten H Jensen;Michael B Butts

  • Transport and Recovery of Bacteriophage PRD1 in a Sand and Gravel Aquifer: Effect of Sewage-Derived Organic Matter

    Ann P. Pieper;Joseph N. Ryan;Ronald W. Harvey;Gary L. Amy

  • Thermal Conductivity of Sands under Varying Moisture and Porosity in Drainage–Wetting Cycles

    Kathleen M. Smits;Toshihiro Sakaki;Anuchit Limsuwat;Tissa H. Illangasekare

  • Study of the effect of wind speed on evaporation from soil through integrated modeling of the atmospheric boundary layer and shallow subsurface.

    Hossein Davarzani;Kathleen Smits;Ryan M. Tolene;Tissa Illangasekare

  • Transport and deposition of polymer-modified Fe0 nanoparticles in 2-D heterogeneous porous media: effects of particle concentration, Fe0 content, and coatings.

    Tanapon Phenrat;Abdullah Cihan;Hye-Jin Kim;Menka Mital

  • Impacts of the 2004 tsunami on groundwater resources in Sri Lanka

    Tissa H. Illangasekare;Scott W. Tyler;T. Prabhakar Clement;Karen G. Villholth

  • Evaporation from soils under thermal boundary conditions: Experimental and modeling investigation to compare equilibrium- and nonequilibrium-based approaches

    Kathleen M. Smits;Abdullah Cihan;Abdullah Cihan;Toshihiro Sakaki;Tissa H. Illangasekare

  • Virtual Sensor Networks - A Resource Efficient Approach for Concurrent Applications

    A.P. Jayasumana;Qi Han;T.H. Illangasekare

  • Empirical two‐point α‐mixing model for calibrating the ECH2O EC‐5 soil moisture sensor in sands

    Toshihiro Sakaki;Anuchit Limsuwat;Kathleen M. Smits;Tissa H. Illangasekare

  • Particle and Plutonium Mobilization in Macroporous Soils during Rainfall Simulations

    J. N. Ryan;T. H. Illangasekare;M. I. Litaor;R. Shannon

  • Effect of groundwater flow dimensionality on mass transfer from entrapped nonaqueous phase liquid contaminants

    Tarek Saba;Tissa H. Illangasekare

  • Experimental study on effects of geologic heterogeneity in enhancing dissolution trapping of supercritical CO2

    Elif Agartan;Luca Trevisan;Abdullah Cihan;Jens Birkholzer

  • Two-dimensional laboratory simulation of LNAPL infiltration and redistribution in the vadose zone.

    C. Kechavarzi;K. Soga;T.H. Illangasekare

  • A mathematical model for flow and solute transport in non-homogeneous rock fractures

    B. Amadei;T. Illangasekare

  • Non-Aqueous-Phase Fluids in Heterogeneous Aquifers—Experimental Study

    Tissa H. Illangasekare;Edward J. Armbruster;David N. Yates

  • HOBE: A Hydrological Observatory

    Karsten H. Jensen;Tissa H. Illangasekare

Frequent Co-Authors

Jens Birkholzer
Jens Birkholzer Lawrence Berkeley National Laboratory
Gregory V. Lowry
Gregory V. Lowry Carnegie Mellon University
Bernard Amadei
Bernard Amadei University of Colorado Boulder
Rajesh J. Pawar
Rajesh J. Pawar United States Department of Energy
Karsten Høgh Jensen
Karsten Høgh Jensen University of Copenhagen
Quanlin Zhou
Quanlin Zhou Lawrence Berkeley National Laboratory
Harihar Rajaram
Harihar Rajaram Johns Hopkins University
Kenichi Soga
Kenichi Soga University of California, Berkeley
Susan E. Trumbore
Susan E. Trumbore Max Planck Institute for Biogeochemistry
Peter K. Kitanidis
Peter K. Kitanidis Stanford University

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