World's Best Scientists 2026 revealed!
Tissa H. Illangasekare

Tissa H. Illangasekare

D-Index & Metrics

Engineering and Technology

D-Index
52
Citations
9667
World Ranking
3651
National Ranking
1069

Tissa H. Illangasekare publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Tissa H. Illangasekare sits on this spectrum.

38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38 publications 804+

This scientist: 313 publications — 78th percentile

78% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

Tissa H. Illangasekare D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Tissa H. Illangasekare sits on this spectrum.

30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 52 D-Index — 64th percentile

64% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

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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