World's Best Scientists 2026 revealed!
Roger L. Parfitt

Roger L. Parfitt

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Environmental Sciences
New Zealand
2025

D-Index & Metrics

Environmental Sciences

D-Index
55
Citations
13043
World Ranking
3805
National Ranking
19

Roger L. Parfitt publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Roger L. Parfitt sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 283 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 115 publications — 21st percentile

21% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Roger L. Parfitt D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Roger L. Parfitt sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 199 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 19 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125+ D-Index: 99 scientists
30 D-Index 125+

This scientist: 55 D-Index — 61st percentile

61% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Research.com Recognitions

  • 2025 - Research.com Environmental Sciences in New Zealand Leader Award

Overview

Roger L. Parfitt is affiliated with Landcare Research in New Zealand. Their research primarily spans the fields of Earth and Planetary Sciences as well as Environmental Science, with a significant focus on Atmospheric Science, Global and Planetary Change, and Oceanography.

The main topics addressed in their work include:

  • Climate variability and models
  • Meteorological Phenomena and Simulations
  • Oceanographic and Atmospheric Processes
  • Tropical and Extratropical Cyclones Research
  • Ocean Waves and Remote Sensing
  • Marine and coastal ecosystems
  • Cryospheric studies and observations

Roger L. Parfitt has contributed to numerous publications, with a frequent presence in several scientific journals. These venues feature multiple works by Parfitt and include:

  • Journal of Climate
  • Geophysical Research Letters
  • Atmospheric Science Letters
  • Remote Sensing
  • Quarterly Journal of the Royal Meteorological Society

Recent published papers include the following:

  • A Global Perspective of Tropical Cyclone Precipitation in Reanalyses, 2021, Journal of Climate
  • FluxSat: Measuring the Ocean-Atmosphere Turbulent Exchange of Heat and Moisture from Space, 2020, Remote Sensing
  • Importance of Orography for Greenland Cloud and Melt Response to Atmospheric Blocking, 2020, Journal of Climate
  • On Objective Identification of Atmospheric Fronts and Frontal Precipitation in Reanalysis Datasets, 2022, Journal of Climate
  • Near-Surface Wind Convergence over the Gulf Stream-The Role of SST Revisited, 2023, Journal of Climate

The scientist frequently collaborates with other researchers. Notable co-authors include:

  • Evan Jones
  • Allison A. Wing
  • Carol Anne Clayson
  • Sarah T. Gille
  • Caroline C. Ummenhofer

Best Publications

  • Anion Adsorption by Soils and Soil Materials

    R.L. Parfitt

  • Factors Controlling Soil Carbon Levels in New Zealand Grasslands Is Clay Content Important

    Harry J. Percival;Roger L. Parfitt;Neal A. Scott

  • The Mechanism of Phosphate Fixation by Iron Oxides

    Roger L. Parfitt;Roger J. Atkinson;Roger St.C. Smart

  • Adsorption on hydrous oxides.III.Fulvic acid and humic acid on goethite,gibbsite and imogolite

    R. L. Parfitt;A. R. Fraser;V. C. Farmer

  • Rapid development of phosphorus limitation in temperate rainforest along the Franz Josef soil chronosequence

    Sarah J. Richardson;Duane A. Peltzer;Robert B. Allen;Matt S. McGlone

  • Phosphate reactions with natural allophane, ferrihydrite and goethite

    R. L. Parfitt

  • Allophane in New Zealand - a review

    R.L. Parfitt

  • Understanding ecosystem retrogression

    Duane A. Peltzer;David A. Wardle;David A. Wardle;Victoria J. Allison;W. Troy Baisden

  • The Mechanism of Sulfate Adsorption on Iron Oxides1

    Roger L. Parfitt;Roger St. C. Smart

  • Allophane and imogolite: role in soil biogeochemical processes

    R. L. Parfitt

  • ADSORPTION ON HYDROUS OXIDES. IV. MECHANISMS OF ADSORPTION OF VARIOUS IONS ON GOETHITE

    R. L. Parfitt;J. D. Russell

  • Surface structures of gibbsite goethite and phosphated goethite

    J. D. Russell;R. L. Parfitt;A. R. Fraser;V. C. Farmer

  • Conditions for Formation of Allophane in Soils

    R. L. Parfitt;J. M. Kimble

  • The hare, the tortoise and the crocodile: the ecology of angiosperm dominance, conifer persistence and fern filtering

    David A. Coomes;Robert B. Allen;Robert B. Allen;Warren A. Bentley;Larry E. Burrows;Larry E. Burrows

  • Effects of clay minerals and land use on organic matter pools

    R.L. Parfitt;B.K.G. Theng;J.S. Whitton;T.G. Shepherd

  • Confirmation of the surface structures of goethite (α-FeOOH) and phosphated goethite by infrared spectroscopy

    Roger L. Parfitt;James D. Russell;Victor C. Farmer

  • Contribution of organic matter and clay minerals to the cation exchange capacity of soils.

    Unknown

  • Comparison of an oxalate-extraction methon and an infrared spectroscopic method for determining allophane in soll clays

    R.L. Parfitt;T. Henmi

  • Relationships between soil biota, nitrogen and phosphorus availability, and pasture growth under organic and conventional management

    R.L. Parfitt;G.W. Yeates;D.J. Ross;A.D. Mackay

  • Large losses of soil C and N from soil profiles under pasture in New Zealand during the past 20 years

    L. A. Schipper;W. T. Baisden;R. L. Parfitt;C. Ross

  • ADSORPTION ON HYDROUS OXIDES I. OXALATE AND BENZOATE ON GOETHITE

    R. L. Parfitt;V. C. Farmer;J. D. Russell

  • New Zealand Soil Classification: A.E. Hewitt. 1992. DSIR Land Resources Scientific Report No. 19. Obtainable from: Landcare Research NZ Ltd., P.O. Box 69, Lincoln, New Zealand. 133 pp. Paperback. Price $35.00. ISBN 0-477-02649-4

    Unknown

Frequent Co-Authors

Louis A. Schipper
Louis A. Schipper University of Waikato
David A. Wardle
David A. Wardle Umeå University
Des J. Ross
Des J. Ross Landcare Research
Alec D. Mackay
Alec D. Mackay AgResearch
Brent Clothier
Brent Clothier Plant & Food Research
Surinder Saggar
Surinder Saggar Landcare Research
Duane A. Peltzer
Duane A. Peltzer Landcare Research
Steve Green
Steve Green Plant & Food Research

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