World's Best Scientists 2026 revealed!
Ronald J. Smernik

Ronald J. Smernik

D-Index & Metrics

Chemistry

D-Index
62
Citations
15309
World Ranking
8743
National Ranking
203

Ronald J. Smernik 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 Ronald J. Smernik 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: 166 publications — 20th percentile

20% of scientists in this discipline score the same or lower.

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

Ronald J. Smernik 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 Ronald J. Smernik 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: 62 D-Index — 52nd percentile

52% of scientists in this discipline score the same or lower.

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

Overview

Ronald J. Smernik is affiliated with the University of Adelaide in Australia and specializes in research related to agricultural and biological sciences as well as environmental science. Their work spans a range of interdisciplinary topics addressing soil and plant interactions, nutrient dynamics, and environmental chemistry.

Their research publications focus on key areas such as soil carbon and nitrogen dynamics, mycorrhizal fungi and plant interactions, soil and water nutrient dynamics, clay minerals and soil interactions, plant nutrient uptake and metabolism, soil and unsaturated flow, and soil erosion and sediment transport.

Recent papers authored by Ronald J. Smernik include:

  • Effect of land use on organic matter composition in density fractions of contrasting soils: A comparative study using 13C NMR and DRIFT spectroscopy (2020) - The Science of The Total Environment
  • Effects of plant roots and arbuscular mycorrhizas on soil phosphorus leaching (2020) - The Science of The Total Environment
  • Does the high potassium content in recycled winery wastewater used for irrigation pose risks to soil structural stability? (2020) - Agricultural Water Management
  • Long-term changes in land use influence phosphorus concentrations, speciation, and cycling within subtropical soils (2021) - Geoderma
  • Xylomelum occidentale (Proteaceae) accesses relatively mobile soil organic phosphorus without releasing carboxylates (2020) - Journal of Ecology

Ronald J. Smernik frequently collaborates with a number of co-authors who have contributed to their research projects, including:

  • Luke M. Mosley
  • Ashlea Doolette
  • Andrea D. Stiglingh
  • R. W. Fitzpatrick
  • Timothy R. Cavagnaro

Their work is often published in scientific journals that focus on environmental and soil sciences, with frequent contributions to:

  • The Science of The Total Environment
  • Plant and Soil
  • Geoderma
  • Geoderma Regional
  • Geochemical Transactions

Their subfields of study highlight expertise in soil science, plant science, environmental chemistry, civil and structural engineering, and ecology, reflecting a broad interdisciplinary approach.

Best Publications

  • An investigation into the reactions of biochar in soil

    S. D. Joseph;M. Camps-Arbestain;Y. Lin;P. Munroe

  • Chemical composition and bioavailability of thermally altered Pinus resinosa (Red pine) wood

    Jeffrey A Baldock;Ronald J Smernik

  • Comparison of quantification methods to measure fire-derived (black/elemental) carbon in soils and sediments using reference materials from soil, water, sediment and the atmosphere

    Karen Hammes;Michael W.I. Schmidt;Ronald J. Smernik;Lloyd A. Currie

  • Biochar carbon stability in a clayey soil as a function of feedstock and pyrolysis temperature.

    Bhupinder Pal Singh;Annette L. Cowie;Ronald J. Smernik

  • Chemical and structural properties of carbonaceous products obtained by pyrolysis and hydrothermal carbonisation of corn stover

    A. B. Fuertes;M. Camps Arbestain;M. Sevilla;J. A. Maciá-Agulló

  • Long-term black carbon dynamics in cultivated soil

    Binh Thanh Nguyen;Johannes Lehmann;James Kinyangi;Ron Smernik

  • The chemical nature of P accumulation in agricultural soils—implications for fertiliser management and design: an Australian perspective

    Mike J McLaughlin;Mike J McLaughlin;Therese M McBeath;Ron Smernik;Sam P Stacey

  • Aromaticity and degree of aromatic condensation of char

    Daniel B. Wiedemeier;Samuel Abiven;William C. Hockaday;Marco Keiluweit

  • Estimation of charcoal (char) in soils

    J. O. Skjemstad;J. A. Taylor;R. J. Smernik

  • Synthesis and characterisation of laboratory-charred grass straw (Oryza sativa) and chestnut wood (Castanea sativa) as reference materials for black carbon quantification

    Karen Hammes;Ronald J. Smernik;Jan O. Skjemstad;Andreas Herzog

  • The use of spin counting for determining quantitation in solid state 13C NMR spectra of natural organic matter: 1. Model systems and the effects of paramagnetic impurities

    Ronald J. Smernik;J.Malcolm Oades

  • Determination of the aromaticity and the degree of aromatic condensation of a thermosequence of wood charcoal using NMR

    Anna V. McBeath;Ronald J. Smernik;Maximilian P.W. Schneider;Michael W.I. Schmidt

  • Spiking Improved Solution Phosphorus-31 Nuclear Magnetic Resonance Identification of Soil Phosphorus Compounds

    A.L. Doolette;R.J. Smernik;W.J. Dougherty

  • Residue chemistry and microbial community structure during decomposition of eucalypt, wheat and vetch residues

    Karen Baumann;Petra Marschner;Ronald J. Smernik;Jeffrey A. Baldock

  • A feasibility study of agricultural and sewage biomass as biochar, bioenergy and biocomposite feedstock: Production, characterization and potential applications

    Prakash Srinivasan;Ajit K. Sarmah;Ron Smernik;Oisik Das

  • The influence of feedstock and production temperature on biochar carbon chemistry: a solid-state 13C NMR study

    Anna V. McBeath;Ronald J. Smernik;Evelyn S. Krull;Johannes Lehmann

  • Characteristics of Biochar: Organo-chemical Properties

    Evelyn S. Krull;Jeff A. Baldock;Jan O. Skjemstad;Ronald J. Smernik

  • Crop residue phosphorus: speciation and potential bio-availability

    Sarah R. Noack;Mike J. McLaughlin;Ronald J. Smernik;Therese M. McBeath

  • The sorption of organic carbon onto differing clay minerals in the presence and absence of hydrous iron oxide

    A.R. Saidy;A.R. Saidy;R.J. Smernik;J.A. Baldock;K. Kaiser

  • Variation in the degree of aromatic condensation of chars

    Anna V. McBeath;Ronald J. Smernik

  • Characterisation and evaluation of reference materials for black carbon analysis using elemental composition, colour, BET surface area and 13C NMR spectroscopy

    Karen Hammes;Ronald J. Smernik;Jan O. Skjemstad;Michael W.I. Schmidt

  • Environmental Soil Chemistry

    Ron Smernik

Frequent Co-Authors

Mike J. McLaughlin
Mike J. McLaughlin University of Adelaide
Rai S. Kookana
Rai S. Kookana Commonwealth Scientific and Industrial Research Organisation
Jeff Baldock
Jeff Baldock Commonwealth Scientific and Industrial Research Organisation
Timothy R. Cavagnaro
Timothy R. Cavagnaro University of Adelaide
David J. Chittleborough
David J. Chittleborough University of Adelaide
Else K. Bünemann
Else K. Bünemann Research Institute of Organic Agriculture
J.M. Oades
J.M. Oades University of Adelaide
Alan Richardson
Alan Richardson Commonwealth Scientific and Industrial Research Organisation
Jan O. Skjemstad
Jan O. Skjemstad Commonwealth Scientific and Industrial Research Organisation
Roger Armstrong
Roger Armstrong La Trobe University

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