Üllar Rannik - Publications, H-index & Citations

Üllar Rannik

university of helsinki

60H指数

192论文数

1.6W被引数

收录论文 63

发表时间

Nocturnal vertical gradients in O3; PAN and PAA in a boreal forest: the role of chemical reactions; deposition and entrainment 针叶林中O3、PAN和PAA的夜间垂直梯度：化学反应、沉降和卷吸的作用

Environmental Science: Atmospheres

IF0

2026-04-04

OAAI

Simone T. Andersen; Carolina Nelson; Laura Wüst; Patrick Dewald; Gunther N. T. E. Türk; Jan Schuladen; Horst Fischer; Mikael Ehn; Tuukka Petäjä; Üllar Rannik; Ilona Ylivinkka; Lauri R. Ahonen; Robby Rynek; Helko Borsdorf; Thomas Mayer; Jos Lelieveld; John N. Crowley

The high-frequency response correction of eddy covariance fluxes - Part 1: An experimental approach and its interdependence with the time-lag estimation

ATMOSPHERIC MEASUREMENT TECHNIQUES

IF3.3

2021-07-28

OAAI

Peltola, Olli; Aslan, Toprak; Ibrom, Andreas; Nemitz, Eiko; Rannik, Ullar; Mammarella, Ivan

The high-frequency response correction of eddy covariance fluxes - Part 2: An experimental approach for analysing noisy measurements of small fluxes

ATMOSPHERIC MEASUREMENT TECHNIQUES

IF3.3

2021-07-28

OAAI

Aslan, Toprak; Peltola, Olli; Ibrom, Andreas; Nemitz, Eiko; Rannik, Ullar; Mammarella, Ivan

Impact of coordinate rotation on eddy covariance fluxes at complex sites

AGRICULTURAL AND FOREST METEOROLOGY

IF5.7

2020-06-01

OAAI

Rannik, Ullar; Vesala, Timo; Peltola, Olli; Novick, Kimberly A.; Aurela, Mika; Jarvi, Leena; Montagnani, Leonardo; Molder, Meelis; Peichl, Matthias; Pilegaard, Kim; Mammarella, Ivan

Neglecting diurnal variations leads to uncertainties in terrestrial nitrous oxide emissions (vol 6, 25739, 2016)

SCIENTIFIC REPORTS

IF3.9

2020-04-20

OAAI

Shurpali, Narasinha J.; Rannik, Ullar; Jokinen, Simo; Lind, Saara; Biasi, Christina; Mammarella, Ivan; Peltola, Olli; Pihlatie, Mari; Hyvonen, Niina; Raty, Mari; Haapanala, Sami; Zahniser, Mark; Virkajarvi, Perttu; Vesala, Timo; Martikainen, Pertti J.

Direct effect of aerosols on solar radiation and gross primary production in boreal and hemiboreal forests 气溶胶对北方和半北方森林的太阳辐射和总初级生产的直接影响

ATMOSPHERIC CHEMISTRY AND PHYSICS

IF5.1

2018-12-17

OAAI

Ezhova, Ekaterina; Ylivinkka, Ilona; Kuusk, Joel; Komsaare, Kaupo; Vana, Marko; Krasnova, Alisa; Noe, Steffen; Arshinov, Mikhail; Belan, Boris; Park, Sung-Bin; Lavric, Jost Valentin; Heimann, Martin; Petaja, Tuukka; Vesala, Timo; Mammarella, Ivan; Kolari, Pasi; Back, Jaana; Rannik, Ullar; Kerminen, Veli-Matti; Kulmala, Markku

Uncertainty of eddy covariance flux measurements over an urban area based on two towers

ATMOSPHERIC MEASUREMENT TECHNIQUES

IF3.3

2018-10-02

OAAI

Jarvi, Leena; Rannik, Ullar; Kokkonen, Tom, V; Kurppa, Mona; Karppinen, Ari; Kouznetsov, Rostislav D.; Rantala, Pekka; Vesala, Timo; Wood, Curtis R.

Boreal forest BVOC exchange: emissions versus in-canopy sinks

ATMOSPHERIC CHEMISTRY AND PHYSICS

IF5.1

2017-12-04

OAAI

Zhou, Putian; Ganzeveld, Laurens; Taipale, Ditte; Rannik, Ullar; Rantala, Pekka; Rissanen, Matti Petteri; Chen, Dean; Boy, Michael

Numerical framework for the computation of urban flux footprints employing large-eddy simulation and Lagrangian stochastic modeling

GEOSCIENTIFIC MODEL DEVELOPMENT

IF4.9

2017-11-17

OAAI

Auvinen, Mikko; Jarvi, Leena; Hellsten, Antti; Rannik, Ullar; Vesala, Timo

Experimental validation of footprint models for eddy covariance CO2 flux measurements above grassland by means of natural and artificial tracers 通过天然和人工示踪剂对草地上方涡流协方差CO2通量测量的足迹模型进行实验验证

AGRICULTURAL AND FOREST METEOROLOGY

IF5.7

2017-08-01

OAAI

Arriga, Nicola; Rannik, Ullar; Aubinet, Marc; Carrara, Arnaud; Vesala, Timo; Papale, Dario

Simulating ozone dry deposition at a boreal forest with a multi-layer canopy deposition model

ATMOSPHERIC CHEMISTRY AND PHYSICS

IF5.1

2017-01-30

OAAI

Zhou, Putian; Ganzeveld, Laurens; Rannik, Ullar; Zhou, Luxi; Gierens, Rosa; Taipale, Ditte; Mammarella, Ivan; Boy, Michael

Random uncertainties of flux measurements by the eddy covariance technique

ATMOSPHERIC MEASUREMENT TECHNIQUES

IF3.3

2016-10-21

OAAI

Rannik, Ullar; Peltola, Olli; Mammarella, Ivan

Quantifying the uncertainty of eddy covariance fluxes due to the use of different software packages and combinations of processing steps in two contrasting ecosystems

ATMOSPHERIC MEASUREMENT TECHNIQUES

IF3.3

2016-10-06

OAAI

Mammarella, Ivan; Peltola, Olli; Nordbo, Annika; Jarvi, Leena; Rannik, Ullar

Seasonal and diurnal variation in CO fluxes from an agricultural bioenergy crop

BIOGEOSCIENCES

IF3.9

2016-10-04

OAAI

Pihlatie, Mari; Rannik, Ullar; Haapanala, Sami; Peltola, Olli; Shurpali, Narasinha; Martikainen, Pertti J.; Lind, Saara; Hyvonen, Niina; Virkajarvi, Perttu; Zahniser, Mark; Mammarella, Ivan

Large-eddy simulation and stochastic modeling of Lagrangian particles for footprint determination in the stable boundary layer

GEOSCIENTIFIC MODEL DEVELOPMENT

IF4.9

2016-08-31

OAAI

Glazunov, Andrey; Rannik, Ullar; Stepanenko, Victor; Lykosov, Vasily; Auvinen, Mikko; Vesala, Timo; Mammarella, Ivan

A DNS study of aerosol and small-scale cloud turbulence interaction

ATMOSPHERIC CHEMISTRY AND PHYSICS

IF5.1

2016-06-29

OAAI

Babkovskaia, Natalia; Rannik, Ullar; Phillips, Vaughan; Siebert, Holger; Wehner, Birgit; Boy, Michael

Neglecting diurnal variations leads to uncertainties in terrestrial nitrous oxide emissions

SCIENTIFIC REPORTS

IF3.9

2016-05-09

OAAI

Carbon dioxide and energy fluxes over a small boreal lake in Southern Finland

JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES

IF3.5

2015-07-23

PREAI

Mammarella, Ivan; Nordbo, Annika; Rannik, Ullar; Haapanala, Sami; Levula, Janne; Laakso, Heikki; Ojala, Anne; Peltola, Olli; Heiskanen, Jouni; Pumpanen, Jukka; Vesala, Timo

Testing a mechanistic dispersal model against a dispersal experiment with a wind-dispersed moss

OIKOS

IF3

2014-12-22

PREAI

Lonnell, Niklas; Norros, Veera; Sundberg, Sebastian; Rannik, Ullar; Johansson, Victor; Ovaskainen, Otso; Hylander, Kristoffer

Species traits and inertial deposition of fungal spores

JOURNAL OF AEROSOL SCIENCE

IF2.9

2013-07-01

PREAI

Hussein, Tareq; Norros, Veera; Hakala, Jani; Petaja, Tuukka; Aalto, Pasi P.; Rannik, Ullar; Vesala, Timo; Ovaskainen, Otso

研究方向