World's Best Scientists 2026 revealed!
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Environmental Sciences
Singapore
2023

D-Index & Metrics

Earth Science

D-Index
65
Citations
13151
World Ranking
1428
National Ranking
5

Alan D. Ziegler 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 Alan D. Ziegler sits on this spectrum.

38–42 publications: 1 scientists 43–47 publications: 0 scientists 48–52 publications: 3 scientists 53–57 publications: 8 scientists 58–62 publications: 11 scientists 63–67 publications: 16 scientists 68–72 publications: 24 scientists 73–77 publications: 31 scientists 78–82 publications: 49 scientists 83–87 publications: 77 scientists 88–92 publications: 86 scientists 93–97 publications: 88 scientists 98–102 publications: 92 scientists 103–107 publications: 84 scientists 108–112 publications: 102 scientists 113–117 publications: 108 scientists 118–122 publications: 117 scientists 123–127 publications: 126 scientists 128–132 publications: 146 scientists 133–137 publications: 114 scientists 138–142 publications: 102 scientists 143–147 publications: 127 scientists 148–152 publications: 102 scientists 153–157 publications: 112 scientists 158–162 publications: 102 scientists 163–167 publications: 127 scientists 168–172 publications: 121 scientists 173–177 publications: 112 scientists 178–182 publications: 109 scientists 183–187 publications: 98 scientists 188–192 publications: 92 scientists 193–197 publications: 105 scientists 198–202 publications: 77 scientists 203–207 publications: 80 scientists 208–212 publications: 89 scientists 213–217 publications: 70 scientists 218–222 publications: 74 scientists 223–227 publications: 74 scientists 228–232 publications: 70 scientists 233–237 publications: 67 scientists 238–242 publications: 59 scientists 243–247 publications: 67 scientists 248–252 publications: 51 scientists 253–257 publications: 46 scientists 258–262 publications: 41 scientists 263–267 publications: 39 scientists 268–272 publications: 34 scientists 273–277 publications: 39 scientists 278–282 publications: 35 scientists 283–287 publications: 36 scientists 288–292 publications: 35 scientists 293–297 publications: 29 scientists 298–302 publications: 23 scientists 303–307 publications: 39 scientists 308–312 publications: 34 scientists 313–317 publications: 23 scientists 318–322 publications: 18 scientists 323–327 publications: 18 scientists 328–332 publications: 21 scientists 333–337 publications: 20 scientists 338–342 publications: 15 scientists 343–347 publications: 13 scientists 348–352 publications: 24 scientists 353–357 publications: 25 scientists 358–362 publications: 10 scientists 363–367 publications: 20 scientists 368–372 publications: 17 scientists 373–377 publications: 18 scientists 378–382 publications: 15 scientists 383–387 publications: 7 scientists 388–392 publications: 22 scientists 393–397 publications: 9 scientists 398–402 publications: 11 scientists 403–407 publications: 16 scientists 408–412 publications: 4 scientists 413–417 publications: 5 scientists 418–422 publications: 14 scientists 423–427 publications: 8 scientists 428–432 publications: 7 scientists 433–437 publications: 7 scientists 438–442 publications: 10 scientists 443–447 publications: 10 scientists 448–452 publications: 3 scientists 453–457 publications: 9 scientists 458–462 publications: 11 scientists 463–467 publications: 4 scientists 468–472 publications: 6 scientists 473–477 publications: 11 scientists 478–482 publications: 8 scientists 483–487 publications: 2 scientists 488–492 publications: 3 scientists 493–497 publications: 4 scientists 498–502 publications: 4 scientists 503–507 publications: 4 scientists 508–509 publications: 4 scientists 510+ publications: 100 scientists
38 publications 510+

This scientist: 199 publications — 60th percentile

60% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 510 publications or more.

Alan D. Ziegler 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 Alan D. Ziegler sits on this spectrum.

30 D-Index: 15 scientists 31 D-Index: 42 scientists 32 D-Index: 60 scientists 33 D-Index: 90 scientists 34 D-Index: 103 scientists 35 D-Index: 108 scientists 36 D-Index: 142 scientists 37 D-Index: 147 scientists 38 D-Index: 147 scientists 39 D-Index: 152 scientists 40 D-Index: 143 scientists 41 D-Index: 157 scientists 42 D-Index: 141 scientists 43 D-Index: 151 scientists 44 D-Index: 140 scientists 45 D-Index: 135 scientists 46 D-Index: 121 scientists 47 D-Index: 108 scientists 48 D-Index: 128 scientists 49 D-Index: 111 scientists 50 D-Index: 106 scientists 51 D-Index: 112 scientists 52 D-Index: 102 scientists 53 D-Index: 103 scientists 54 D-Index: 94 scientists 55 D-Index: 61 scientists 56 D-Index: 101 scientists 57 D-Index: 71 scientists 58 D-Index: 65 scientists 59 D-Index: 78 scientists 60 D-Index: 93 scientists 61 D-Index: 56 scientists 62 D-Index: 58 scientists 63 D-Index: 52 scientists 64 D-Index: 63 scientists 65 D-Index: 49 scientists 66 D-Index: 53 scientists 67 D-Index: 57 scientists 68 D-Index: 50 scientists 69 D-Index: 44 scientists 70 D-Index: 44 scientists 71 D-Index: 31 scientists 72 D-Index: 33 scientists 73 D-Index: 33 scientists 74 D-Index: 23 scientists 75 D-Index: 32 scientists 76 D-Index: 24 scientists 77 D-Index: 17 scientists 78 D-Index: 19 scientists 79 D-Index: 9 scientists 80 D-Index: 21 scientists 81 D-Index: 20 scientists 82 D-Index: 17 scientists 83 D-Index: 19 scientists 84 D-Index: 19 scientists 85 D-Index: 14 scientists 86 D-Index: 6 scientists 87 D-Index: 14 scientists 88 D-Index: 17 scientists 89 D-Index: 10 scientists 90 D-Index: 8 scientists 91 D-Index: 8 scientists 92 D-Index: 9 scientists 93 D-Index: 6 scientists 94+ D-Index: 98 scientists
30 D-Index 94+

This scientist: 65 D-Index — 83rd percentile

83% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 94 D-Index or more.

Research.com Recognitions

  • 2023 - Research.com Environmental Sciences in Singapore Leader Award
  • 2022 - Research.com Environmental Sciences in Singapore Leader Award

Overview

Alan D. Ziegler is affiliated with the National University of Singapore and has contributed extensively to the field of Environmental Science. Their research spans multiple subfields including Global and Planetary Change, Health, Toxicology and Mutagenesis, Ecology, Atmospheric Science, and Environmental Engineering.

The scientist's work primarily focuses on several recurring topics, notably:

  • Climate variability and models
  • Flood Risk Assessment and Management
  • Plant Water Relations and Carbon Dynamics
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Conservation, Biodiversity, and Resource Management
  • Land Use and Ecosystem Services
  • Urban Heat Island Mitigation

Alan D. Ziegler has published numerous research articles, with significant contributions appearing in journals such as Nature Sustainability, Environmental Research Letters, Sustainability, ACS ES&T Water, and Nature Geoscience.

Some of the recent papers include:

  • High-spatiotemporal-resolution mapping of global urban change from 1985 to 2015, 2020, Nature Sustainability
  • Doubling of annual forest carbon loss over the tropics during the early twenty-first century, 2022, Nature Sustainability
  • Rewetting global wetlands effectively reduces major greenhouse gas emissions, 2022, Nature Geoscience
  • Energy production and water savings from floating solar photovoltaics on global reservoirs, 2023, Nature Sustainability
  • Deforestation-induced warming over tropical mountain regions regulated by elevation, 2020, Nature Geoscience

Frequent co-authors with whom Alan D. Ziegler has collaborated include:

  • Zhenzhong Zeng
  • Dashan Wang
  • Jie Wu
  • Shijing Liang
  • Philippe Ciais

The publication trends show a consistent presence in journals that focus on sustainability, environmental impact, and geosciences. This profile aligns with the scientist's involvement in topics addressing both localized and global environmental challenges.

Best Publications

  • High-spatiotemporal-resolution mapping of global urban change from 1985 to 2015

    Xiaoping Liu;Yinghuai Huang;Xiaocong Xu;Xuecao Li

  • Erosion processes in steep terrain—Truths, myths, and uncertainties related to forest management in Southeast Asia

    Roy C. Sidle;Alan D. Ziegler;Junjiro N. Negishi;Abdul Rahim Nik

  • Trends, drivers and impacts of changes in swidden cultivation in tropical forest-agriculture frontiers: A global assessment

    Nathalie van Vliet;Ole Mertz;Andreas Heinimann;Tobias Langanke

  • The Rubber Juggernaut

    Alan D. Ziegler;Jefferson M. Fox;Jianchu Xu

  • A reversal in global terrestrial stilling and its implications for wind energy production

    Zhenzhong Zeng;Zhenzhong Zeng;Alan D. Ziegler;Timothy Searchinger;Long Yang

  • Current trends of rubber plantation expansion may threaten biodiversity and livelihoods

    Antje Ahrends;Antje Ahrends;Peter M. Hollingsworth;Peter M. Hollingsworth;Alan D. Ziegler;Jefferson M. Fox

  • Importance of rural roads as source areas for runoff in mountainous areas of northern Thailand

    Alan D. Ziegler;Thomas W. Giambelluca

  • Highland cropland expansion and forest loss in Southeast Asia in the twenty-first century

    Zhenzhong Zeng;Lyndon Estes;Alan D. Ziegler;Anping Chen

  • Environmental Consequences of the Demise in Swidden Cultivation in Southeast Asia: Carbon Storage and Soil Quality

    Thilde Bech Bruun;Andreas de Neergaard;Deborah Lawrence;Alan D. Ziegler

  • Carbon stocks in bamboo ecosystems worldwide: Estimates and uncertainties

    Jia Qi Yuen;Tak Fung;Alan D. Ziegler

  • Carbon outcomes of major land-cover transitions in SE Asia: great uncertainties and REDD+ policy implications

    Alan D. Ziegler;Jacob Phelps;Jia Qi Yuen;Edward L. Webb

  • Environmental Consequences of the Demise in Swidden Cultivation in Montane Mainland Southeast Asia: Hydrology and Geomorphology

    Alan D. Ziegler;Thilde B. Bruun;Maite Guardiola-Claramonte;Thomas W. Giambelluca

  • Consequences of Swidden Transitions for Crop and Fallow Biodiversity in Southeast Asia

    Kanok Rerkasem;Deborah Lawrence;Christine Padoch;Dietrich Schmidt-Vogt

  • Detection of Intensification in Global- and Continental-Scale Hydrological Cycles: Temporal Scale of Evaluation

    Alan D. Ziegler;Justin Sheffield;Edwin P. Maurer;Bart Nijssen

  • Doubling of annual forest carbon loss over the tropics during the early twenty-first century

    Unknown

  • Hydrological consequences of landscape fragmentation in mountainous northern Vietnam: evidence of accelerated overland flow generation

    Alan D Ziegler;Alan D Ziegler;Thomas W Giambelluca;Liem T Tran;Thomas T Vana

  • Accumulation of potentially toxic elements in road deposited sediments in residential and light industrial neighborhoods of Singapore.

    J. Q. Yuen;Paul H. Olin;H. S. Lim;Shawn G. Benner

  • Rewetting global wetlands effectively reduces major greenhouse gas emissions

    Unknown

  • Swidden, rubber and carbon: Can REDD+ work for people and the environment in Montane Mainland Southeast Asia?

    Jefferson Fox;Jean-Christophe Castella;Alan D. Ziegler

  • Runoff generation and sediment production on unpaved roads, footpaths and agricultural land surfaces in northern Thailand

    Alan D. Ziegler;Ross A. Sutherland;Thomas W. Giambelluca

  • Deforestation in the Ayeyarwady Delta and the conservation implications of an internationally-engaged Myanmar

    Edward L. Webb;Nicholas R.A. Jachowski;Jacob Phelps;Daniel A. Friess

  • Raw attitudes, wetland cultures, life-cycles: Socio-cultural dynamics relating to Opisthorchis viverrini in the Mekong Basin

    Carl Grundy-Warr;Ross H. Andrews;Paiboon Sithithaworn;Trevor N. Petney

  • Towards resilient flood risk management for Asian coastal cities: Lessons learned from Hong Kong and Singapore

    F.K.S. Chan;F.K.S. Chan;C. Joon Chuah;A.D. Ziegler;M. Dąbrowski

  • Hydrologic effects of the expansion of rubber (Hevea brasiliensis) in a tropical catchment

    Maite Guardiola-Claramonte;Peter A. Troch;Alan D. Ziegler;Thomas W. Giambelluca

  • Mangrove biomass estimation in Southwest Thailand using machine learning

    Nicholas R.A. Jachowski;Michelle S.Y. Quak;Daniel A. Friess;Decha Duangnamon

Frequent Co-Authors

Thomas W. Giambelluca
Thomas W. Giambelluca University of Hawaii at Manoa
Ross A. Sutherland
Ross A. Sutherland University of Hawaii at Manoa
Robert J. Wasson
Robert J. Wasson Australian National University
Jefferson Fox
Jefferson Fox East-West Center
Daniel A. Friess
Daniel A. Friess Tulane University
Roy C. Sidle
Roy C. Sidle University of Central Asia
Edward L. Webb
Edward L. Webb University of Helsinki
Xixi Lu
Xixi Lu National University of Singapore
Eric F. Wood
Eric F. Wood Princeton University
Tjeerd J. Bouma
Tjeerd J. Bouma Royal Netherlands Institute for Sea Research

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