World's Best Scientists 2026 revealed!
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Environmental Sciences
New Zealand
2026

D-Index & Metrics

Environmental Sciences

D-Index
62
Citations
9050
World Ranking
2683
National Ranking
11

J. D. Bradshaw 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 J. D. Bradshaw 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: 118 publications — 23rd percentile

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

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

J. D. Bradshaw 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 J. D. Bradshaw 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: 62 D-Index — 74th percentile

74% 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

  • 2026 - Research.com Environmental Sciences in New Zealand Leader Award
  • 2025 - Research.com Environmental Sciences in New Zealand Leader Award
  • 2023 - Research.com Environmental Sciences in New Zealand Leader Award
  • 2022 - Research.com Environmental Sciences in New Zealand Leader Award

Overview

J. D. Bradshaw is affiliated with the University of Canterbury in New Zealand and conducts research primarily in the field of Medicine. Their work spans several subfields, including Pulmonary and Respiratory Medicine, Cardiology and Cardiovascular Medicine, and Surgery.

Their research covers topics related to Coronary Artery Anomalies, Cardiovascular Issues in Pregnancy, and Vascular Anomalies and Interventions. These topics reflect an emphasis on understanding complex cardiovascular conditions and potential interventions.

Bradshaw has contributed to scholarly literature through publications in recognized venues, most notably the Journal of Cardiothoracic and Vascular Anesthesia. A recent publication includes the paper titled Left Coronary Artery Reimplantation for Repair of Anomalous Origin of the Left Coronary Artery From the Pulmonary Artery in an Adult, published in 2023.

Frequent collaborators in Bradshaw's research include:

  • Navdeep K Chahal
  • Jiří Horák
  • Nabil K. Thalji
  • John Augoustides
  • Chandrika Rajan Garner

The research outputs and coauthorships suggest interdisciplinary collaboration in cardiovascular and surgical specialties.

Bradshaw's work has been cited in contexts related to advanced cardiovascular surgical techniques and congenital coronary artery conditions, supporting ongoing development in these domains.

Best Publications

  • The Cretaceous Separation Point batholith, New Zealand: granitoid magmas formed by melting of mafic lithosphere

    R.J. Muir;S.D. Weaver;J.D. Bradshaw;G.N. Eby

  • Acetone in the atmosphere: Distribution, sources, and sinks

    H. B. Singh;D. O'Hara;D. Herlth;W. Sachse

  • Origin of ozone and NOx in the tropical troposphere: A photochemical analysis of aircraft observations over the South Atlantic basin

    Daniel James Jacob;E. G. Heikes;S.-M. Fan;S.-M. Fan;Jennifer A. Logan

  • Convective transport of biomass burning emissions over Brazil during TRACE A

    Kenneth E. Pickering;Anne M. Thompson;Yansen Wang;Wei Kuo Tao

  • Photochemistry in biomass burning plumes and implications for tropospheric ozone over the tropical South Atlantic

    Denise Leonore Mauzerall;Jennifer A. Logan;Daniel J. Jacob;Bruce E. Anderson

  • Geochronology and geochemistry of pre-Jurassic superterranes in Marie Byrd Land, Antarctica

    R. J. Pankhurst;S. D. Weaver;J. D. Bradshaw;B. C. Storey

  • Influence of plumes from biomass burning on atmospheric chemistry over the equatorial and tropical South Atlantic during CITE 3

    M. O. Andreae;B. E. Anderson;D. R. Blake;J. D. Bradshaw

  • Hydrocarbon ratios during PEM‐WEST A: A model perspective

    S. A. McKeen;S. C. Liu;E.-Y. Hsie;X. Lin

  • Antarctica-New Zealand rifting and Marie Byrd Land lithospheric magmatism linked to ridge subduction and mantle plume activity

    S. D. Weaver;B. C. Storey;R. J. Pankhurst;S. B. Mukasa

  • Low ozone in the marine boundary layer of the tropical Pacific Ocean: Photochemical loss, chlorine atoms, and entrainment

    H. B. Singh;G. L. Gregory;B. Anderson;E. Browell

  • Geochronology and geochemistry of a Mesozoic magmatic arc system, Fiordland, New Zealand

    R. J. Muir;T. R. Ireland;S. D. Weaver;J. D. Bradshaw

  • Geochemistry of Cambrian volcanics of the Bowers Supergroup and implications for the Early Palaeozoic tectonic evolution of northern Victoria Land, Antarctica

    S.D. Weaver;J.D. Bradshaw;M.G. Laird

  • Reactive nitrogen and ozone over the western Pacific: Distribution, partitioning, and sources

    H. B. Singh;D. Herlth;R. Kolyer;L. Salas

  • Assessment of ozone photochemistry in the western North Pacific as inferred from PEM‐West A observations during the fall 1991

    D. D. Davis;J. Crawford;G. Chen;W. Chameides

  • Ion microprobe dating of Paleozoic granitoids: Devonian magmatism in New Zealand and correlations with Australia and Antarctica

    R.J. Muir;T.R. Ireland;S.D. Weaver;J.D. Bradshaw

  • Provisional Terrane Map of South Island, New Zealand

    D. G. Bishop;J. D. Bradshaw;C. A. Landis

  • On the origin of tropospheric ozone and NOx over the tropical South Pacific

    Martin G. Schultz;Daniel James Jacob;Yuhang Wang;Yuhang Wang;Jennifer A. Logan

  • Mantle plumes and Antarctica-New Zealand rifting; evidence from Mid-Cretaceous mafic dykes

    Bryan C. Storey;Philip T. Leat;Stephen D. Weaver;Robert J. Pankhurst

  • A review of the Median Tectonic Zone: Terrane boundaries and terrane amalgamation near the Median Tectonic Line

    J. D. Bradshaw

  • Summertime photochemistry of the troposphere at high northern latitudes

    Daniel James Jacob;Steven Charles Wofsy;P. S. Bakwin;S.-M. Fan

  • Chemical characteristics of continental outflow from Asia to the troposphere over the western Pacific Ocean during February‐March 1994: Results from PEM‐West B

    R. W. Talbot;J. E. Dibb;B. L. Lefer;J. D. Bradshaw

  • Ozone and aerosol distributions and air mass characteristics over the South Pacific during the burning season

    Marta A. Fenn;Edward V. Browell;Carolyn F. Butler;William B. Grant

  • Atmospheric chemistry in the Arctic and subarctic: Influence of natural fires, industrial emissions, and stratospheric inputs

    Steven Charles Wofsy;G. W. Sachse;G. L. Gregory;D. R. Blake

  • Ion microprobe UPb zircon geochronology of granitic magmatism in the Western Province of the South Island, New Zealand

    R.J. Muir;T.R. Ireland;S.D. Weaver;J.D. Bradshaw

  • Atmospheric measurements of peroxyacetyl nitrate and other organic nitrates at high latitudes: Possible sources and sinks

    H. B. Singh;D. O'Hara;D. Herlth;J. D. Bradshaw

  • Ozone, hydroperoxides, oxides of nitrogen, and hydrocarbon budgets in the marine boundary layer over the South Atlantic

    Brian Heikes;Meehye Lee;Daniel James Jacob;Robert Talbot

  • Observed distributions of nitrogen oxides in the remote free troposphere from the Nasa Global Tropospheric Experiment Programs

    J. Bradshaw;D. Davis;G. Grodzinsky;S. Smyth

  • Photostationary state analysis of the NO2‐NO system based on airborne observations from the western and central North Pacific

    J. Crawford;D. Davis;G. Chen;J. Bradshaw

  • Hydrogen peroxide and methylhydroperoxide distributions related to ozone and odd hydrogen over the North Pacific in the fall of 1991

    Brian G. Heikes;Meehye Lee;J. Bradshaw;S. Sandholm

  • An Assessment of Ozone Photochemistry in the Extratropical Western North Pacific: Impact of Continental Outflow During the Late Winter/Early Spring

    J. Crawford;D. Davis;G. Chen;J. Bradshaw

Frequent Co-Authors

Scott T. Sandholm
Scott T. Sandholm Georgia Institute of Technology
Gerald L. Gregory
Gerald L. Gregory Langley Research Center
Donald R. Blake
Donald R. Blake University of California, Irvine
G. W. Sachse
G. W. Sachse Langley Research Center
Douglas D. Davis
Douglas D. Davis Georgia Institute of Technology
Robert W. Talbot
Robert W. Talbot University of Houston
Brian G. Heikes
Brian G. Heikes University of Rhode Island
Edward V. Browell
Edward V. Browell Langley Research Center
James E. Collins
James E. Collins Langley Research Center
Donald C. Thornton
Donald C. Thornton Drexel University

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