World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
41
Citations
13538
World Ranking
7549
National Ranking
2679

Caspar M. Ammann 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 Caspar M. Ammann 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: 109 publications — 18th percentile

18% of scientists in this discipline score the same or lower.

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

Caspar M. Ammann 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 Caspar M. Ammann 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: 41 D-Index — 22nd percentile

22% of scientists in this discipline score the same or lower.

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

Overview

Caspar M. Ammann is affiliated with the National Center for Atmospheric Research in the United States. Their professional profile reflects a focus on scientific research within atmospheric studies, although specific fields of study, subfields, and main topics of work have not been detailed.

There is no available information about recent papers, including paper titles, years of publication, or publication venues. Similarly, no data related to frequent co-authors or preferred publication venues has been provided, leaving these aspects of their academic collaboration and dissemination unknown.

The record does not include any book publications or details about publishers associated with the scientist. No awards or formal recognitions have been mentioned either, and it is noted that the scientist is currently living.

The absence of additional data regarding research topics, publication history, and collaborations limits a detailed understanding of their research scope or impact. However, affiliation with a prominent research institution such as the National Center for Atmospheric Research suggests engagement with atmospheric or environmental science fields.

Best Publications

  • Global Signatures and Dynamical Origins of the Little Ice Age and Medieval Climate Anomaly

    Michael E. Mann;Zhihua Zhang;Scott Rutherford;Raymond S. Bradley

  • Volcanic forcing of climate over the past 1500 years: An improved ice core-based index for climate models

    Chaochao Gao;Alan Robock;Caspar Ammann

  • Recent Warming Reverses Long-Term Arctic Cooling

    Darrell S. Kaufman;David P. Schneider;Nicholas P. McKay;Caspar M. Ammann

  • High-resolution palaeoclimatology of the last millennium: a review of current status and future prospects:

    P.D. Jones;K.R. Briffa;T.J. Osborn;J.M. Lough

  • Contributions of Anthropogenic and Natural Forcing to Recent Tropopause Height Changes

    B. D. Santer;M. F. Wehner;T. M. L. Wigley;R. Sausen

  • Proxy evidence for an El Niño-like response to volcanic forcing.

    J. Brad Adams;Michael E. Mann;Caspar M. Ammann

  • Solar influence on climate during the past millennium: Results from transient simulations with the NCAR Climate System Model

    Caspar M. Ammann;Fortunat Joos;David S. Schimel;Bette L. Otto-Bliesner

  • Climate forcing reconstructions for use in PMIP simulations of the last millennium (v1.0)

    G. A. Schmidt;Johann H. Jungclaus;C. M. Ammann;Edouard Bard

  • A monthly and latitudinally varying volcanic forcing dataset in simulations of 20th century climate

    Caspar M. Ammann;Gerald A. Meehl;Warren M. Washington;Charles S. Zender

  • Combinations of Natural and Anthropogenic Forcings in Twentieth-Century Climate

    Gerald A. Meehl;Warren M. Washington;Caspar M. Ammann;Julie M. Arblaster

  • Support for global climate reorganization during the “Medieval Climate Anomaly”

    N.E. Graham;N.E. Graham;C.M. Ammann;D. Fleitmann;K.M. Cobb

  • Tropical Pacific - mid-latitude teleconnections in medieval times

    Nicholas E. Graham;Nicholas E. Graham;Malcolm K. Hughes;Caspar M. Ammann;Kim M. Cobb

  • Climate Change, Global Food Security and the U.S. Food System

    Molly Brown;John Antle;Peter Backlund;Edward Carr

  • Regional Snowfall Patterns in the High, Arid Andes

    Mathias Vuille;Caspar Ammann

  • Did the Toba volcanic eruption of 74 ka B.P. produce widespread glaciation

    Alan Robock;Caspar M. Ammann;Luke Oman;Drew Shindell

  • Climate response to large, high‐latitude and low‐latitude volcanic eruptions in the Community Climate System Model

    David P. Schneider;Caspar M. Ammann;Bette L. Otto-Bliesner;Darrell S. Kaufman

  • Testing the Fidelity of Methods Used in Proxy-Based Reconstructions of Past Climate

    Michael E. Mann;Scott Rutherford;Eugene Wahl;Caspar Ammann

  • Robustness of proxy-based climate field reconstruction methods

    Michael E. Mann;Scott Rutherford;Eugene Wahl;Caspar Ammann

  • Identification of anthropogenic climate change using a second-generation reanalysis

    Benjamin D. Santer;Tom M. L. Wigley;Adrian J. Simmons;Per W. Kållberg

  • Large-scale temperature response to external forcing in simulations and reconstructions of the last millennium

    L. Fernández-Donado;J.F. González-Rouco;C.C. Raible;C.M. Ammann

Frequent Co-Authors

Michael E. Mann
Michael E. Mann Pennsylvania State University
Bette L. Otto-Bliesner
Bette L. Otto-Bliesner National Center for Atmospheric Research
Tom M. L. Wigley
Tom M. L. Wigley University of Adelaide
Nicholas E. Graham
Nicholas E. Graham Hydrologic Research Center
Alan Robock
Alan Robock Rutgers, The State University of New Jersey
Warren M. Washington
Warren M. Washington National Center for Atmospheric Research
Karl E. Taylor
Karl E. Taylor Lawrence Livermore National Laboratory
Jürg Luterbacher
Jürg Luterbacher University of Giessen
Raymond S. Bradley
Raymond S. Bradley University of Massachusetts Amherst
Gerald A. Meehl
Gerald A. Meehl National Center for Atmospheric Research

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