World's Best Scientists 2026 revealed!
Ian J. Graham

Ian J. Graham

D-Index & Metrics

Earth Science

D-Index
34
Citations
4352
World Ranking
7987
National Ranking
91

Ian J. Graham 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 Ian J. Graham 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: 102 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.

Ian J. Graham 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 Ian J. Graham 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: 34 D-Index — 15th percentile

15% of scientists in this discipline score the same or lower.

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

Best Publications

  • Obliquity-paced Pliocene West Antarctic ice sheet oscillations

    T. Naish;T. Naish;R. Powell;R. Levy;R. Levy;G. Wilson

  • Submarine hydrothermal activity and gold-rich mineralization at Brothers Volcano, Kermadec Arc, New Zealand

    Cornel E. J. de Ronde;Gary J. Massoth;David A. Butterfield;Bruce W. Christenson

  • Petrology and petrogenesis of volcanic rocks from the Taupo Volcanic Zone: a review

    I.J. Graham;J.W. Cole;R.M. Briggs;J.A. Gamble

  • The geochemistry and petrogenesis of basalts from the Taupo Volcanic Zone and Kermadec Island Arc, S.W. Pacific

    J.A. Gamble;I.E.M. Smith;M.T. McCulloch;I.J. Graham

  • Petrology of Calc-alkaline Lavas from Ruapehu Volcano and Related Vents, Taupo Volcanic Zone, New Zealand

    Unknown

  • The petrology, phase relations and tectonic setting of basalts from the taupo volcanic zone, New Zealand and the Kermadec Island arc - havre trough, SW Pacific

    John A. Gamble;Ian E.M. Smith;Ian J. Graham;B. Peter Kokelaar

  • Petrogenesis of Late Cenozoic volcanic rocks from the Taupo Volcanic Zone, New Zealand, in the light of new lead isotope data

    Ian J Graham;Brian L Gulson;Jeffrey W Hedenquist;Karen Mizon

  • Subsurface andesite lavas and plutonic rocks in the Rotokawa and Ngatamariki geothermal systems, Taupo Volcanic Zone, New Zealand

    Unknown

  • Geochronological and geochemical evolution of late Cenozoic volcanism in the Coromandel Peninsula, New Zealand

    Unknown

  • Granitoids of the Dry Valleys area, southern Victoria Land, Antarctica: Plutons, field relationships, and isotopic dating

    Andrew H. Allibone;Simon C. Cox;Ian J. Graham;Robert W. Smellie

  • Late Holocene uplift of beach ridges at Turakirae Head, south Wellington coast, New Zealand

    Unknown

  • Age of metamorphism of Otago Schist in eastern Otago and determination of protoliths from initial strontium isotope characteristics

    Unknown

  • The age, geology, and geochemistry of the Tapuaenuku Igneous Complex, Marlborough, New Zealand

    I. A. Baker;J. A. Gamble;I. J. Graham

  • Louisville seamount subduction and its implication on mantle flow beneath the central Tonga-Kermadec arc

    Christian Timm;Daniel Bassett;Ian J. Graham;Matthew I. Leybourne

  • Methane seepage and its relation to slumping and gas hydrate at the Hikurangi margin, New Zealand

    Kevin Faure;Jens Greinert;Ingo A. Pecher;Ian J. Graham

  • Ferrar magmatic province rocks discovered in New Zealand: Implications for Mesozoic Gondwana geology

    N. Mortimer;D. Parkinson;J. I. Raine;C. J. Adams

  • Structure and petrology of newly discovered volcanic centers in the northern Kermadec-southern Tofua arc, South Pacific Ocean

    Ian J. Graham;Agnes G. Reyes;Ian C. Wright;Kimberley M. Peckett

  • Atmospheric deposition of 7Be and 10Be in New Zealand rain (1996-98)

    Unknown

  • Sources of Chalcophile and Siderophile Elements in Kermadec Arc Lavas

    Christian Timm;Cornel E. J. de Ronde;Matthew I. Leybourne;Daniel Layton-Matthews

  • Subduction of the oceanic Hikurangi Plateau and its impact on the Kermadec arc

    Christian Timm;Bryan Davy;Karsten Haase;Kaj A. Hoernle

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