World's Best Scientists 2026 revealed!
Timothy G. Gregoire

Timothy G. Gregoire

D-Index & Metrics

Environmental Sciences

D-Index
49
Citations
8978
World Ranking
5242
National Ranking
1931

Timothy G. Gregoire 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 Timothy G. Gregoire 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: 145 publications — 39th percentile

39% of scientists in this discipline score the same or lower.

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

Timothy G. Gregoire 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 Timothy G. Gregoire 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: 49 D-Index — 47th percentile

47% 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

  • 2010 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 2000 - Fellow of the American Statistical Association (ASA)

Overview

Timothy G. Gregoire is affiliated with Yale University in the United States and is active in the field of Environmental Science. Their research primarily focuses on forest ecology and management, with substantive contributions spanning several subfields including Nature and Landscape Conservation, Global and Planetary Change, Environmental Engineering, Ecology, and Water Science and Technology.

The scientist's work covers diverse topics, notably Forest ecology and management, Remote Sensing and LiDAR Applications, Plant Water Relations and Carbon Dynamics, Ecology and Vegetation Dynamics Studies, Fire effects on ecosystems, Soil Geostatistics and Mapping, and Forest Management and Policy.

Among their recent published papers are:

  • Growth Equations in Forest Research: Mathematical Basis and Model Similarities (2021) published in Current Forestry Reports
  • The effects of crop tree thinning intensity on the ability of dominant tree species to sequester carbon in a temperate deciduous mixed forest, northeastern China (2021) in Forest Ecology and Management
  • A note on the estimation of variance for big BAF sampling (2020) in Forest Ecosystems
  • Developmental Dynamics of Gilbertiodendron dewevrei (Fabaceae) Drive Forest Structure and Biomass in the Eastern Congo Basin (2021) in Forests
  • Post-flooding disturbance recovery promotes carbon capture in riparian zones (2023) in Biogeosciences

Timothy G. Gregoire has collaborated frequently with several researchers, including Jeffrey H. Gove, Mark J. Ducey, Thomas B. Lynch, Christian Salas, and Lauri Mehtätalo.

Their work often appears in scientific venues such as Forest Ecosystems, SSRN Electronic Journal, Current Forestry Reports, Forest Ecology and Management, and Biogeosciences.

Recognition of their contributions includes fellowship honors from notable scientific organizations: they were named a Fellow of the American Association for the Advancement of Science (AAAS) in 2010 and a Fellow of the American Statistical Association (ASA) in 2000.

Best Publications

  • Sampling Methods for Multiresource Forest Inventory

    Hans T. Schreuder;G. B. Wood;T. G. Gregoire

  • Sampling Strategies for Natural Resources and the Environment

    Timothy G. Gregoire;Harry T. Valentine

  • The ROS planning system: Evolution, basic concepts, and research needed

    B.L. Driver;Perry J. Brown;George H. Stankey;Timothy G. Gregoire

  • Linear modelling of irregularly spaced, unbalanced, longitudinal data from permanent-plot measurements

    Timothy G. Grégoire;Oliver Schabenberger;James P. Barrett

  • Discrete Anisotropic Radiative Transfer (DART 5) for modeling airborne and satellite spectroradiometer and LIDAR acquisitions of natural and urban landscapes

    J.P. Gastellu Etchegorry;T. Yin;N. Lauret;T. Cajgfinger

  • Design-based and model-based inference in survey sampling: appreciating the difference

    T G Gregoire

  • Modeling height-diameter curves for prediction

    Lauri Mehtätalo;Sergio de-Miguel;Timothy G. Gregoire

  • Model-assisted estimation of biomass in a LiDAR sample survey in Hedmark County, NorwayThis article is one of a selection of papers from Extending Forest Inventory and Monitoring over Space and Time.

    Timothy G. GregoireT.G. Gregoire;Göran StåhlG. Ståhl;Erik NæssetE. Næsset;Terje GobakkenT. Gobakken

  • Model-based inference for biomass estimation in a LiDAR sample survey in Hedmark County, Norway

    Göran StåhlG. Ståhl;Sören HolmS. Holm;Timothy G. GregoireT.G. Gregoire;Terje GobakkenT. Gobakken

  • Model-assisted regional forest biomass estimation using LiDAR and InSAR as auxiliary data: A case study from a boreal forest area

    Erik Næsset;Terje Gobakken;Svein Solberg;Timothy G. Gregoire

  • Sampling Methods to Estimate Foliage and Other Characteristics of Individual Trees

    Timothy G. Gregoire;Harry T. Valentine;George M. Furnival

  • A geographically variable model of hemlock woolly adelgid spread

    Alexander M. Evans;Timothy G. Gregoire

  • Separating the ground and airborne laser sampling phases to estimate tropical forest basal area, volume, and biomass.

    Ross Nelson;Richard Oderwald;Timothy G. Gregoire

  • Model-assisted estimation of change in forest biomass over an 11year period in a sample survey supported by airborne LiDAR: A case study with post-stratification to provide ``activity data''

    Erik Næsset;Ole Martin Bollandsås;Terje Gobakken;Timothy G. Gregoire

  • Use of models in large-area forest surveys: comparing model-assisted, model-based and hybrid estimation

    Göran Ståhl;Svetlana Saarela;Sebastian Schnell;Sören Holm

  • For what applications can probability and non-probability sampling be used?

    H. T. Schreuder;T. G. Gregoire;J. P. Weyer

  • Early growth and survival of 49 tropical tree species across sites differing in soil fertility and rainfall in Panama

    Michiel van Breugel;Jefferson S. Hall;Dylan J. Craven;Dylan J. Craven;Timothy G. Gregoire

  • Estimating biomass in Hedmark County, Norway using national forest inventory field plots and airborne laser scanning

    Terje Gobakken;Erik Næsset;Ross Nelson;Ole Martin Bollandsås

  • HABITAT CHARACTERIZATIONS UNDERESTIMATE THE ROLE OF EDAPHIC FACTORS CONTROLLING THE DISTRIBUTION OF ENTANDROPHRAGMA

    Jefferson S. Hall;John J. McKenna;P. Mark S. Ashton;Timothy G. Gregoire;Timothy G. Gregoire

  • Comparison of precision of biomass estimates in regional field sample surveys and airborne LiDAR-assisted surveys in Hedmark County, Norway

    Erik Naesset;Terje Gobakken;Ole Martin Bollandsas;Timothy G. Gregoire

  • Sampling Methods for Multiresource Forest Inventory.

    W. Scott Overton;Hans T. Schreuder;Timothy G. Gregoire;Geoffrey Wood

Frequent Co-Authors

Erik Næsset
Erik Næsset Norwegian University of Life Sciences
Terje Gobakken
Terje Gobakken Norwegian University of Life Sciences
Göran Ståhl
Göran Ståhl Swedish University of Agricultural Sciences
Ross Nelson
Ross Nelson Goddard Space Flight Center
Harold E. Burkhart
Harold E. Burkhart Virginia Tech
Ole Martin Bollandsås
Ole Martin Bollandsås Norwegian University of Life Sciences
Mark S. Ashton
Mark S. Ashton Yale University
Dylan Craven
Dylan Craven Universidad Mayor
Andrew D. Richardson
Andrew D. Richardson Northern Arizona University
Bruce D. Cook
Bruce D. Cook Goddard Space Flight Center

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