World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
38
Citations
3882
World Ranking
8738
National Ranking
3118

Alan Z. Liu 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 Alan Z. Liu 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: 137 publications — 34th percentile

34% of scientists in this discipline score the same or lower.

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

Alan Z. Liu 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 Alan Z. Liu 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: 38 D-Index — 12th percentile

12% of scientists in this discipline score the same or lower.

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

Overview

Alan Z. Liu is affiliated with Embry-Riddle Aeronautical University in the United States. Their primary research fields are Physics and Astronomy, with significant work in Earth and Planetary Sciences. Their contributions focus mainly on subfields including Astronomy and Astrophysics, Atmospheric Science, Geophysics, Oceanography, and Global and Planetary Change.

The scientist's work extensively covers topics such as Ionosphere and magnetosphere dynamics, Meteorological Phenomena and Simulations, Atmospheric Ozone and Climate, Solar and Space Plasma Dynamics, Astro and Planetary Science, Planetary Science and Exploration, and Earthquake Detection and Analysis.

Alan Z. Liu has coauthored numerous publications with several frequent collaborators. These include:

  • Gunter Stober
  • Zishun Qiao
  • David C. Fritts
  • Masaki Tsutsumi
  • Shaodong Zhang

The scientist has published in various research venues, with the highest number of papers appearing in:

  • Zenodo (CERN European Organization for Nuclear Research)
  • Journal of Geophysical Research Atmospheres
  • Geophysical Research Letters
  • SSRN Electronic Journal
  • Atmospheric measurement techniques

Representative recent papers include:

  • Atmospheric tomography using the Nordic Meteor Radar Cluster and Chilean Observation Network De Meteor Radars: network details and 3D-Var retrieval (2021), Atmospheric measurement techniques
  • Kelvin-Helmholtz Billow Interactions and Instabilities in the Mesosphere Over the Andes Lidar Observatory: 1. Observations (2020), Journal of Geophysical Research Atmospheres
  • Meteor radar vertical wind observation biases and mathematical debiasing strategies including the 3DVAR+DIV algorithm (2022), Atmospheric measurement techniques
  • Comparison of MLT Momentum Fluxes Over the Andes at Four Different Latitudinal Sectors Using Multistatic Radar Configurations (2022), Journal of Geophysical Research Atmospheres
  • Modeling Studies of Gravity Wave Dynamics in Highly Structured Environments: Reflection, Trapping, Instability, Momentum Transport, Secondary Gravity Waves, and Induced Flow Responses (2022), Journal of Geophysical Research Atmospheres

This body of work reflects extensive research into atmospheric and space physics phenomena, employing advanced measurement and modeling techniques. The scientist's publications contribute to understanding atmospheric dynamics, meteor radar observations, and gravity wave processes at various latitudes and environmental conditions.

Best Publications

  • A modeling study of O2 and OH airglow perturbations induced by atmospheric gravity waves

    Alan Z. Liu;Gary R. Swenson

  • A model study of the effects of winds on concentric rings of gravity waves from a convective plume near Fort Collins on 11 May 2004

    Sharon L. Vadas;Jia Yue;Chiao-Yao She;Peter A. Stamus

  • Seasonal variations of the vertical fluxes of heat and horizontal momentum in the mesopause region at Starfire Optical Range, New Mexico

    Chester S. Gardner;Alan Z. Liu

  • Comparison of meteor radar and Na Doppler lidar measurements of winds in the mesopause region above Maui, Hawaii

    S. J. Franke;X. Chu;A. Z. Liu;W. K. Hocking

  • Characteristics of short‐period wavelike features near 87 km altitude from airglow and lidar observations over Maui

    James H. Hecht;A. Z. Liu;Richard L. Walterscheid;Steven J Franke

  • Gravity wave characteristics in the lower atmosphere at south pole

    Matt Pfenninger;Alan Z. Liu;George C. Papen;Chester S. Gardner

  • Gravity wave propagation and dissipation from the stratosphere to the lower thermosphere

    Xian Lu;Alan Z. Liu;Gary R. Swenson;Tao Li

  • A model for calculating acoustic gravity wave energy and momentum flux in the mesosphere from OH airglow

    Gary R. Swenson;Alan Z. Liu

  • Wave‐induced transport of atmospheric constituents and its effect on the mesospheric Na layer

    Chester S. Gardner;Alan Z. Liu

  • Observations of gravity wave breakdown into ripples associated with dynamical instabilities

    Feng Li;Alan Z. Liu;Gary R. Swenson;James H. Hecht

  • Characteristics of quasi‐monochromatic gravity waves observed with Na lidar in the mesopause region at Starfire Optical Range, NM

    Xiong Hu;Alan Z. Liu;Chester S. Gardner;Gary R. Swenson

  • Inferring the global cosmic dust influx to the Earth’s atmosphere from lidar observations of the vertical flux of mesospheric Na

    Chester S. Gardner;Alan Z. Liu;D. R. Marsh;Wuhu Feng

  • O(1S), OH, and O2(b) Airglow Layer Perturbations due to AGWs and their Implied Effects on the Atmosphere

    Fabio Vargas;Fabio Vargas;Gary Swenson;Alan Liu;Delano Gobbi

  • Measurements of Atmospheric Stability in the Mesopause Region at Starfire Optical Range, NM

    Yucheng Zhao;Alan Z. Liu;Chester S. Gardner

  • Maui Mesosphere and Lower Thermosphere (Maui MALT) Observations of the Evolution of Kelvin-Helmholtz Billows Formed Near 86 km Altitude

    J. H. Hecht;Alan Z. Liu;R. L. Walterscheid;R. J. Rudy

  • Unstable layers in the mesopause region observed with Na lidar during the Turbulent Oxygen Mixing Experiment (TOMEX) campaign

    Alan Z. Liu;Raymond G. Roble;James H. Hecht;Miguel F. Larsen

  • High Frequency Gravity Waves Observed in OH airglow at Starfire Optical Range, NM: Seasonal Variations in Momentum Flux

    Jing Tang;Alan Z. Liu;Gary R. Swenson

  • First measurement of horizontal wind and temperature in the lower thermosphere (105‐140 km) with a Na Lidar at Andes Lidar Observatory

    Alan Z. Liu;Alan Z. Liu;Yafang Guo;Fabio Vargas;Gary R. Swenson

  • Atmospheric stability and gravity wave dissipation in the mesopause region

    Chester S. Gardner;Yucheng Zhao;Alan Z. Liu

  • TOMEX: Mesospheric and lower thermospheric diffusivities and instability layers

    R. L. Bishop;M. F. Larsen;J. H. Hecht;Alan Z. Liu

  • Observations of gravity wave breakdown into ripples associated with dynamical instabilities : Mesospheric Dynamic and Thermodynamic Studies

    Feng Li;Alan Z. Liu;Gary R. Swenson;James H. Hecht

  • Wave Induced Transport of Atmospheric Constituents and Its Effect on the Mesospheric Na Layer

    A. Z. Liu;C. S. Gardner

Frequent Co-Authors

Chester S. Gardner
Chester S. Gardner University of Illinois at Urbana-Champaign
Richard L. Walterscheid
Richard L. Walterscheid The Aerospace Corporation
Steven J Franke
Steven J Franke University of Illinois at Urbana-Champaign
Xinzhao Chu
Xinzhao Chu University of Colorado Boulder
Michael J. Taylor
Michael J. Taylor Utah State University
Miguel F. Larsen
Miguel F. Larsen Clemson University
Michael C. Kelley
Michael C. Kelley Cornell University
Walter A. Robinson
Walter A. Robinson North Carolina State University
Raymond G. Roble
Raymond G. Roble National Center for Atmospheric Research
Wayne K. Hocking
Wayne K. Hocking University of Western Ontario

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