World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
36
Citations
4759
World Ranking
7260
National Ranking
78

Murray E. Close 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 Murray E. Close sits on this spectrum.

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 publications 603+

This scientist: 103 publications — 13th percentile

13% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 603 publications or more.

Murray E. Close 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 Murray E. Close sits on this spectrum.

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: 36 D-Index — 23rd percentile

23% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 106 D-Index or more.

Overview

Murray E. Close is affiliated with the Institute of Environmental Science and Research in New Zealand. Their research primarily falls within the field of Environmental Science, with a focus on several subfields including Ecology, Pollution, Environmental Engineering, Water Science and Technology, and Environmental Chemistry.

The core topics of Close's research encompass groundwater flow and contamination studies, microbial community ecology and physiology, wastewater treatment and nitrogen removal, fecal contamination and water quality, water treatment and disinfection, viral gastroenteritis research and epidemiology, and environmental DNA in biodiversity studies.

Close has contributed to multiple publications, with notable papers including:

  • Nitrogen cycling and microbial cooperation in the terrestrial subsurface, 2022, The ISME Journal
  • Outcomes of the first combined national survey of pesticides and emerging organic contaminants (EOCs) in groundwater in New Zealand 2018, 2020, The Science of The Total Environment
  • Ultra-small bacteria and archaea exhibit genetic flexibility towards groundwater oxygen content, and adaptations for attached or planktonic lifestyles, 2023, ISME Communications
  • Metabolic Diversity and Aero-Tolerance in Anammox Bacteria from Geochemically Distinct Aquifers, 2022, mSystems
  • Attenuation and transport of human enteric viruses and bacteriophage MS2 in alluvial sand and gravel aquifer media-laboratory studies, 2021, Water Research

Close frequently collaborates with several researchers including Louise Weaver, Kim M. Handley, Theo S. Sarris, Olivia E. Mosley, and Emilie Gios. These collaborations have resulted in multiple joint publications.

The scientist often publishes in venues specializing in environmental and water science such as The Science of The Total Environment, Water Research, Ecological Engineering, Ground Water, and ARPHA Conference Abstracts.

Best Publications

  • Periphyton biomass dynamics in gravel bed rivers: the relative effects of flows and nutrients

    Barry J. F. Biggs;Murray E. Close

  • Ecological characterisation, classification, and modelling of New Zealand rivers: An introduction and synthesis

    Barry J. F. Biggs;Maurice J. Duncan;Ian G. Jowett;John M. Quinn

  • Nitrogen cycling and microbial cooperation in the terrestrial subsurface

    Unknown

  • Effects of pH, ionic strength, dissolved organic matter, and flow rate on the co-transport of MS2 bacteriophages with kaolinite in gravel aquifer media

    Gillian E. Walshe;Liping Pang;Markus Flury;Murray E. Close

  • Heavy Metals in Soil, Plants and Groundwater Following High-Rate Sewage Sludge Application to Land

    T. W. Speir;A. P. Van Schaik;H. J. Percival;M. E. Close

  • Simulation of picloram, atrazine, and simazine leaching through two New Zealand soils and into groundwater using HYDRUS-2D

    Liping Pang;Murray E Close;James P.C Watt;Keith W Vincent

  • Best management practices to mitigate faecal contamination by livestock of New Zealand waters

    Rob Collins;Malcolm Mcleod;Mike Hedley;Andrea Donnison

  • Rhodamine WT and Bacillus subtilis Transport through an Alluvial Gravel Aquifer

    Liping Pang;Murray Close;Mike Noonan

  • Estimation of septic tank setback distances based on transport of E. coli and F-RNA phages.

    Liping Pang;Murray Close;Mark Goltz;Lester Sinton

  • Application of the method of temporal moments to interpret solute transport with sorption and degradation.

    Liping Pang;Mark Goltz;Murray Close

  • Modeling water flow and bacterial transport in undisturbed lysimeters under irrigations of dairy shed effluent and water using HYDRUS-1D.

    Shuang Jiang;Liping Pang;Graeme D. Buchan;Jiří Šimůnek

  • Microbial groundwater quality and its health implications for a border-strip irrigated dairy farm catchment, South Island, New Zealand.

    Murray Close;Rod Dann;Andrew Ball;Ruth Pirie

  • Effect of pore-water velocity on chemical nonequilibrium transport of Cd, Zn, and Pb in alluvial gravel columns.

    Liping Pang;Murray Close;Daniela Schneider;Greg Stanton

  • Modeling Transport of Microbes in Ten Undisturbed Soils under Effluent Irrigation

    Liping Pang;Malcolm McLeod;Jacqueline Aislabie;Jirka Šimůnek

  • Baseflow water chemistry in New Zealand rivers. 1. Characterisation.

    Murray E. Close;Robert J. Davies‐Colley

  • Characterization and Estimation of Hydraulic Properties in an Alluvial Gravel Vadose Zone

    Rodney Dann;M Close;M J Flintoft;R P Hector

  • Filtration and transport of Bacillus subtilis spores and the F-RNA phage MS2 in a coarse alluvial gravel aquifer: implications in the estimation of setback distances.

    Liping Pang;Murray Close;Mark Goltz;Mike Noonan

  • Non-equilibrium transport of Cd in alluvial gravels

    Liping Pang;Murray E. Close

  • Transport and attenuation of bacteria and bacteriophages in an alluvial gravel aquifer

    L. W. Sinton;M. J. Noonan;R. K. Finlay;L. Pang

  • Baseflow water chemisty in New Zealand rivers 2. Influence of environmental factors

    Murray E. Close;Robert J. Davies‐Colley

  • Field-scale physical non-equilibrium transport in an alluvial gravel aquifer

    Liping Pang;Murray Close

Frequent Co-Authors

Ajit K. Sarmah
Ajit K. Sarmah University of Auckland
Robert J. Davies-Colley
Robert J. Davies-Colley National Institute of Water and Atmospheric Research
Steve Green
Steve Green Plant & Food Research
Barry J. F. Biggs
Barry J. F. Biggs National Institute of Water and Atmospheric Research
Aaron I. Packman
Aaron I. Packman Northwestern University
Brent Clothier
Brent Clothier Plant & Food Research
John M. Quinn
John M. Quinn National Institute of Water and Atmospheric Research
Christopher Hickey
Christopher Hickey National Institute of Water and Atmospheric Research
Mark A. Knackstedt
Mark A. Knackstedt Australian National University

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Related Online Degrees & Career Pathways

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Lastly, combining Earth Science with information science through ala mlis programs equips students to handle environmental data management and archival work, crucial for research institutions and government agencies.

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