World's Best Scientists 2026 revealed!
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Ravi K. Kukkadapu

D-Index & Metrics

Chemistry

D-Index
61
Citations
11710
World Ranking
9356
National Ranking
2637

Ravi K. Kukkadapu publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Ravi K. Kukkadapu sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 182 publications — 26th percentile

26% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Ravi K. Kukkadapu D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Ravi K. Kukkadapu sits on this spectrum.

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 61 D-Index — 49th percentile

49% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

Ravi K. Kukkadapu is affiliated with the Environmental Molecular Sciences Laboratory in the United States. Their research primarily focuses on Earth and Planetary Sciences and Physics and Astronomy, with significant contributions to subfields such as Astronomy and Astrophysics, Oceanography, Geophysics, Environmental Chemistry, and Renewable Energy, Sustainability and the Environment.

The main scientific topics covered in their work include:

  • Ionosphere and magnetosphere dynamics
  • Geophysics and Gravity Measurements
  • Earthquake Detection and Analysis
  • Methane Hydrates and Related Phenomena
  • Seismic Waves and Analysis
  • Solar and Space Plasma Dynamics
  • Iron oxide chemistry and applications

Kukkadapu has contributed to numerous scientific papers with varied research interests. Selected recent publications include:

  • "Lignin-enhanced reduction of structural Fe(III) in nontronite: Dual roles of lignin as electron shuttle and donor", 2021, Geochimica et Cosmochimica Acta
  • "Changes in Sedimentary Phosphorus Burial Following Artificial Eutrophication of Lake 227, Experimental Lakes Area, Ontario, Canada", 2020, Journal of Geophysical Research Biogeosciences
  • "Strong mineralogic control of soil organic matter composition in response to nutrient addition across diverse grassland sites", 2020, The Science of The Total Environment
  • "Inhibition of Extracellular Enzyme Activity by Reactive Oxygen Species upon Oxygenation of Reduced Iron-Bearing Minerals", 2023, Environmental Science & Technology
  • "Susceptibility of new soil organic carbon to mineralization during dry-wet cycling in soils from contrasting ends of a precipitation gradient", 2022, Soil Biology and Biochemistry

Frequent co-authors collaborating with Kukkadapu include:

  • Erin Rooney
  • Qian Zhao
  • Lauren Vega
  • Mark Bowden
  • John Bargar

The scientist's work has been published extensively in several venues, with the highest number of publications found in:

  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)
  • Environmental Science & Technology
  • The Science of The Total Environment
  • Soil Science Society of America Journal
  • Microscopy and Microanalysis

Best Publications

  • Secondary Mineralization Pathways Induced by Dissimilatory Iron Reduction of Ferrihydrite Under Advective Flow

    Colleen M Hansel;Shawn G Benner;Jim Neiss;Alice Dohnalkova

  • Synthesis of colloidal Mn2+:ZnO quantum dots and high-TC ferromagnetic nanocrystalline thin films

    Nicholas S. Norberg;Kevin R. Kittilstved;James E. Amonette;Ravi K. Kukkadapu

  • Biomineralization of Poorly Crystalline Fe(III) Oxides by Dissimilatory Metal Reducing Bacteria (DMRB)

    John M. Zachara;Ravi K. Kukkadapu;James K. Fredrickson;Yuri A. Gorby

  • Anaerobic redox cycling of iron by freshwater sediment microorganisms.

    Karrie A. Weber;Matilde M. Urrutia;Perry F. Churchill;Ravi K. Kukkadapu

  • Influence of Coprecipitated Organic Matter on Fe2+(aq)-Catalyzed Transformation of Ferrihydrite: Implications for Carbon Dynamics.

    Chunmei Chen;Ravi K. Kukkadapu;Donald L. Sparks

  • Development of high-temperature ferromagnetism in Sn O 2 and paramagnetism in SnO by Fe doping

    A. Punnoose;J. Hays;A. Thurber;M. H. Engelhard

  • Mineral transformations associated with the microbial reduction of magnetite

    Hailiang Dong;James K Fredrickson;David W Kennedy;John M Zachara

  • Reduction of TcO4- by sediment-associated biogenic Fe(II)

    James K Fredrickson;John M Zachara;David W Kennedy;Ravi K Kukkadapu

  • Reductive sequestration of pertechnetate (99TcO4 -) by nano zerovalent iron (nZVI) transformed by abiotic sulfide

    Diimin Fan;Roberto P. Anitori;Bradley M. Tebo;Paul G. Tratnyek

  • Phosphate imposed limitations on biological reduction and alteration of ferrihydrite.

    Thomas Borch;Yoko Masue;Ravi K Kukkadapu;Scott Fendorf

  • Control of Fe(III) site occupancy on the rate and extent of microbial reduction of Fe(III) in nontronite

    Deb P. Jaisi;Ravi K. Kukkadapu;Dennis D. Eberl;Hailiang Dong

  • Iron Loading Effects in Fe/SSZ-13 NH3-SCR Catalysts: Nature of the Fe Ions and Structure–Function Relationships

    Feng Gao;Yang Zheng;Ravi K. Kukkadapu;Yilin Wang

  • Heterogeneous reduction of Tc(VII) by Fe(II) at the solid-water interface

    Tetyana Peretyazhko;John M. Zachara;Steve M. Heald;Byong Hun Jeon

  • Reduction of pertechnetate (Tc(VII)) by aqueous Fe(II) and the nature of solid phase redox products

    John M. Zachara;Steve M. Heald;Steve M. Heald;Byong-Hun Jeon;Ravi K. Kukkadapu

  • Biotransformation of two-line silica-ferrihydrite by a dissimilatory Fe(III)-reducing bacterium: Formation of carbonate green rust in the presence of phosphate

    Ravi K Kukkadapu;John M Zachara;James K Fredrickson;David W Kennedy

  • Microbial Reduction of Structural Fe(III) in Illite and Goethite

    Hailiang Dong;Ravi K. Kukkadapu;James K. Fredrickson;John M. Zachara

  • Organic matter remineralization predominates phosphorus cycling in the mid-Bay sediments in the Chesapeake Bay.

    Sunendra R Joshi;Ravi K Kukkadapu;David J Burdige;Mark E Bowden

  • Reduction of Hg(II) to Hg(0) by Magnetite

    Heather A. Wiatrowski;Soumya Das;Ravi K. Kukkadapu;Eugene S. Ilton

  • Adsorption of phenol and chlorinated phenols from aqueous solution by tetramethylammonium- and tetramethylphosphonium-exchanged montmorillonite

    Monique A.M Lawrence;Ravi K Kukkadapu;Stephen A Boyd

  • Redox Fluctuations Control the Coupled Cycling of Iron and Carbon in Tropical Forest Soils

    Amrita Bhattacharyya;Ashley N. Campbell;Malak M. Tfaily;Yang Lin

  • Long-term dynamics of uranium reduction/reoxidation under low sulfate conditions

    John Komlos;Aaron Peacock;Ravi K. Kukkadapu;Peter R. Jaffé

Frequent Co-Authors

John M. Zachara
John M. Zachara Pacific Northwest National Laboratory
Hailiang Dong
Hailiang Dong China University of Geosciences
Mark H. Engelhard
Mark H. Engelhard Pacific Northwest National Laboratory
Steve M. Heald
Steve M. Heald Argonne National Laboratory
Libor Kovarik
Libor Kovarik Pacific Northwest National Laboratory
Bruce W. Arey
Bruce W. Arey Pacific Northwest National Laboratory
Alice Dohnalkova
Alice Dohnalkova Pacific Northwest National Laboratory
James K. Fredrickson
James K. Fredrickson Pacific Northwest National Laboratory
Mark E. Bowden
Mark E. Bowden Pacific Northwest National Laboratory
Chongxuan Liu
Chongxuan Liu Southern University of Science and Technology

External Links

Personal website of Ravi K. Kukkadapu

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Related Online Degrees & Career Pathways

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Understanding the various forensic career paths can help chemistry graduates leverage their skill set in roles such as crime lab analysts or toxicologists. These positions typically require knowledge of both analytical chemistry and criminal justice principles.

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Best Scientists Citing Ravi K. Kukkadapu

Hailiang Dong

Hailiang Dong

China University of Geosciences

Publications: 100

Andreas Kappler

Andreas Kappler

University of Tübingen

Publications: 76

Jonathan R. Lloyd

Jonathan R. Lloyd

University of Manchester

Publications: 60

Kenneth H. Williams

Kenneth H. Williams

Lawrence Berkeley National Laboratory

Publications: 47

John R. Bargar

John R. Bargar

SLAC National Accelerator Laboratory

Publications: 41

Kevin M. Rosso

Kevin M. Rosso

Pacific Northwest National Laboratory

Publications: 40

Eric E. Roden

Eric E. Roden

University of Wisconsin–Madison

Publications: 39

Carolyn I. Pearce

Carolyn I. Pearce

Pacific Northwest National Laboratory

Publications: 35

Scott Fendorf

Scott Fendorf

Stanford University

Publications: 35

James K. Fredrickson

James K. Fredrickson

Pacific Northwest National Laboratory

Publications: 34

Philip E. Long

Philip E. Long

Lawrence Berkeley National Laboratory

Publications: 32

Chongxuan Liu

Chongxuan Liu

Southern University of Science and Technology

Publications: 32

Fangbai Li

Fangbai Li

Chinese Academy of Sciences

Publications: 32

John M. Zachara

John M. Zachara

Pacific Northwest National Laboratory

Publications: 30

Gordon E. Brown

Gordon E. Brown

Stanford University

Publications: 29

Kenneth M. Kemner

Kenneth M. Kemner

Argonne National Laboratory

Publications: 26

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