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D-Index & Metrics

Environmental Sciences

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

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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