World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
66
Citations
21670
World Ranking
2044
National Ranking
25

Üllar Rannik 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 Üllar Rannik 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: 153 publications — 43rd percentile

43% of scientists in this discipline score the same or lower.

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

Üllar Rannik 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 Üllar Rannik 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: 66 D-Index — 79th percentile

79% of scientists in this discipline score the same or lower.

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

Overview

Üllar Rannik is affiliated with the University of Helsinki in Finland, contributing extensively to Environmental Science and Engineering. Their scholarly activity centers on key areas such as global and planetary change, atmospheric science, and computational mechanics, alongside environmental engineering and general health professions. The scope of their research addresses diverse scientific challenges related to plant water relations, carbon dynamics, atmospheric chemistry, aerosols, and interactions between atmospheric and environmental gas dynamics.

Their recent publication record includes a variety of studies predominantly published in venues such as Boreal Environment Research Journal Archive, Helda (University of Helsinki), and others focused on atmospheric measurement techniques and agricultural meteorology. These papers encompass topics like flux measurements over Scots pine forests, water balance studies, and ozone flux evaluations using eddy covariance methods.

  • Long-term measurements of surface fluxes above a Scots pine forest in Hyytiälä, southern Finland, 1996-2001 (2024, Boreal Environment Research Journal Archive)
  • Water balance of a boreal Scots pine forest (2024, Helda (University of Helsinki))
  • Eddy covariance fluxes over a boreal Scots pine forest (2024, Boreal Environment Research Journal Archive)
  • Ozone flux measurements over a Scots pine forest using eddy covariance method: performance evaluation and comparison with flux-profile method (2024, Boreal Environment Research Journal Archive)
  • Characterization of atmospheric trace gas and aerosol concentrations at forest sites in southern and northern Finland using back trajectories (2024, Boreal Environment Research Journal Archive)

Frequent coauthors working alongside Üllar Rannik include Timo Vesala, Ivan Mammarella, P. Keronen, Markku Kulmala, and Olli Peltola. Their joint efforts appear in various research contributions, reflecting a collaborative research environment.

  • Timo Vesala
  • Ivan Mammarella
  • P. Keronen
  • Markku Kulmala
  • Olli Peltola

Publication venues frequently engaged by Üllar Rannik highlight specific scientific forums:

  • Boreal Environment Research Journal Archive
  • Zenodo (CERN European Organization for Nuclear Research)
  • Helda (University of Helsinki)
  • Atmospheric measurement techniques
  • Agricultural and Forest Meteorology

The scientist's research covers major topics and subfields that include:

  • Plant Water Relations and Carbon Dynamics
  • Atmospheric chemistry and aerosols
  • Atmospheric and Environmental Gas Dynamics
  • Fluid Dynamics and Turbulent Flows
  • Air Quality and Health Impacts
  • Plant responses to elevated CO2
  • Hermeneutics and Narrative Identity

  • Global and Planetary Change
  • Atmospheric Science
  • Computational Mechanics
  • Environmental Engineering
  • General Health Professions

Best Publications

  • Estimates of the annual net carbon and water exchange of forests: the EUROFLUX methodology

    Marc Aubinet;Achim Grelle;Andreas Ibrom;Üllar Rannik

  • Gap filling strategies for defensible annual sums of net ecosystem exchange

    E. Falge;D. Baldocchi;R. Olson;P. Anthoni

  • Respiration as the main determinant of carbon balance in European forests

    R. Valentini;G. Matteucci;A. J. Dolman;E.-D. Schulze

  • The FLUXNET2015 dataset and the ONEFlux processing pipeline for eddy covariance data

    Gilberto Pastorello;Carlo Trotta;Eleonora Canfora;Housen Chu

  • Productivity overshadows temperature in determining soil and ecosystem respiration across European forests

    I. A. Janssens;H. Lankreijer;G. Matteucci;A. S. Kowalski

  • Seasonality of ecosystem respiration and gross primary production as derived from FLUXNET measurements

    Eva Falge;Dennis Baldocchi;John Tenhunen;Marc Aubinet

  • Gap filling strategies for long term energy flux data sets

    Eva Falge;Dennis D. Baldocchi;Richard Olson;Peter Anthoni

  • A new feedback mechanism linking forests, aerosols, and climate

    M. Kulmala;T. Suni;K. E. J. Lehtinen;M. Dal Maso

  • Overview of the international project on biogenic aerosol formation in the boreal forest (BIOFOR)

    M. Kulmala;K. Hämeri;K. Hämeri;P. P. Aalto;J. M. Mäkelä

  • Flux and Concentration Footprint Modelling: State of the Art

    Timo Vesala;Natascha Kljun;Üllar Rannik;Janne Rinne

  • AUTOREGRESSIVE FILTERING VERSUS LINEAR DETRENDING IN ESTIMATION OF FLUXES BY THE EDDY COVARIANCE METHOD

    Üllar Rannik;Timo Vesala

  • Carbon balance of different aged Scots pine forests in Southern Finland

    Pasi Kolari;Jukka Pumpanen;Üllar Rannik;Hannu Ilvesniemi

  • Effects of continental boundary layer evolution, convection, turbulence and entrainment, on aerosol formation

    E. D. Nilsson;Ü. Rannik;M. Kulmala;G. Buzorius

  • Quality analysis applied on eddy covariance measurements at complex forest sites using footprint modelling

    Corinna Rebmann;Mathias Göckede;Thomas Foken;Marc Aubinet

  • Effect of thinning on surface fluxes in a boreal forest

    Timo Vesala;Tanja Suni;Üllar Rannik;Petri Keronen

  • Turbulent aerosol fluxes over the Arctic Ocean: 2. Wind‐driven sources from the sea

    E. D. Nilsson;Ü. Rannik;E. Swietlicki;C. Leck

  • Footprint Analysis For Measurements Over A Heterogeneous Forest

    U. Rannik;Marc Aubinet;O. Kurbanmuradov;Kk. Sabelfeld

  • Long-term field measurements of atmosphere-surface interactions in boreal forest combining forest ecology, micrometeorology, aerosol physics and atmospheric chemistry

    Timo Vesala;Jyrki Haataja;Pasi Pekka Aalto;Nuria Altimir

  • Long-term measurements of surface fluxes above a Scots pine forest in Hyytiala, southern Finland, 1996-2001

    T Suni;J Rinne;A Reissell;N Altimir

  • Ultrafine particle scavenging coefficients calculated from 6 years field measurements

    Lauri Laakso;Tiia Grönholm;Üllar Rannik;Miriam Kosmale;Miriam Kosmale

Frequent Co-Authors

Timo Vesala
Timo Vesala University of Helsinki
Markku Kulmala
Markku Kulmala University of Helsinki
Ivan Mammarella
Ivan Mammarella University of Helsinki
Petri Keronen
Petri Keronen University of Helsinki
Pertti Hari
Pertti Hari University of Helsinki
Pasi Aalto
Pasi Aalto University of Helsinki
Andrew S. Kowalski
Andrew S. Kowalski University of Granada
Marc Aubinet
Marc Aubinet University of Liège
Kim Pilegaard
Kim Pilegaard Technical University of Denmark
Janne Rinne
Janne Rinne Lund University

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Related Online Degrees & Career Pathways

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