2026 Andreas Christen: Environmental Sciences Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Environmental Sciences	41	7630	7331	478	468	164	7754

Overview

Andreas Christen is affiliated with the University of Freiburg in Germany and contributes extensively to the field of Environmental Science. Their research spans key subfields such as Environmental Engineering, Global and Planetary Change, Atmospheric Science, Health, Toxicology and Mutagenesis, and Building and Construction.

The scientist's work prominently addresses topics including Urban Heat Island Mitigation, Building Energy and Comfort Optimization, Plant Water Relations and Carbon Dynamics, Noise Effects and Management, Climate Change and Health Impacts, Tree-ring Climate Responses, and Wind and Air Flow Studies.

They have published papers in multiple recognized venues. Among the most frequent outlets are Zenodo (CERN European Organization for Nuclear Research) with 9 publications, Urban Climate with 6 publications, Agricultural and Forest Meteorology with 4, Gefahrstoffe Reinhaltung der Luft with 3, and Plant Biology with 2 papers.

Significant recent papers authored or co-authored by Andreas Christen include:

"A multi-layer urban canopy meteorological model with trees (BEP-Tree): Street tree impacts on pedestrian-level climate," 2020, Urban Climate
"Direct observations of CO2 emission reductions due to COVID-19 lockdown across European urban districts," 2022, The Science of The Total Environment
"Central European 2018 hot drought shifts scots pine forest to its tipping point," 2022, Plant Biology
"Evaluation and application of a low-cost measurement network to study intra-urban temperature differences during summer 2018 in Bern, Switzerland," 2021, Urban Climate
"Harmonized gap-filled datasets from 20 urban flux tower sites," 2022, Earth System Science Data

Their frequent collaborators include Markus Sulzer, Nektarios Chrysoulakis, Sue Grimmond, Andreas Matzarakis, and Ben Crawford, reflecting a network of ongoing cooperation spanning various research projects.

Best Publications

Urban Climates by T. R. Oke

Unknown

1433
Citations
Energy and radiation balance of a central European city

Andreas Christen;Roland Vogt

574
Citations
BUBBLE - an urban boundary layer meteorology project

Mathias Rotach;Mathias Rotach;Roland Vogt;Christian Bernhofer;E. Batchvarova

516
Citations
The energy balance experiment EBEX-2000. Part I: Overview and energy balance

Steven P. Oncley;Thomas Foken;Roland Vogt;Wim Kohsiek

469
Citations
The Surface Urban Energy and Water Balance Scheme (SUEWS): Evaluation in Los Angeles and Vancouver

L. Järvi;L. Järvi;C.S.B. Grimmond;A. Christen

265
Citations
Validation of modeled carbon-dioxide emissions from an urban neighborhood with direct eddy-covariance measurements

A. Christen;N.C. Coops;B.R. Crawford;R. Kellett

236
Citations
A Multi-layer Radiation Model for Urban Neighbourhoods with Trees

E. S. Krayenhoff;A. Christen;A. Martilli;T. R. Oke

197
Citations
A multi-layer urban canopy meteorological model with trees (BEP-Tree): Street tree impacts on pedestrian-level climate

E. Scott Krayenhoff;Timothy Jiang;Andreas Christen;Alberto Martilli

191
Citations
Temporal dynamics of CO2 fluxes and profiles over a Central European city

R. Vogt;A. Christen;M. W. Rotach;M. Roth

189
Citations
Spatial Characteristics of Roughness Sublayer Mean Flow and Turbulence Over a Realistic Urban Surface

M. G. Giometto;A. Christen;C. Meneveau;Jiannong Fang

186
Citations
Five years of carbon dioxide fluxes measurements in a highly vegetated suburban area

Ben Crawford;C.S.B. Grimmond;Andreas Christen

186
Citations
A systems approach to carbon cycling and emissions modeling at an urban neighborhood scale

Ronald Kellett;Andreas Christen;Nicholas C. Coops;Michael van der Laan

131
Citations
Effects of trees on mean wind, turbulence and momentum exchange within and above a real urban environment

M.G. Giometto;A. Christen;P.E. Egli;M.F. Schmid

126
Citations
Turbulence Structure and Exchange Processes in an Alpine Valley: The Riviera Project

Mathias W. Rotach;Pierluigi Calanca;Giovanni Graziani;Joachim Gurtz

125
Citations
Parametrization of Drag and Turbulence for Urban Neighbourhoods with Trees

E. S. Krayenhoff;J.-L. Santiago;A. Martilli;A. Christen

120
Citations
Coherent structures in urban roughness sublayer turbulence

Andreas Christen;Eva van Gorsel;Roland Vogt

117
Citations
Direct observations of CO2 emission reductions due to COVID-19 lockdown across European urban districts

Unknown

117
Citations
Atmospheric measurement techniques to quantify greenhouse gas emissions from cities

Andreas Christen

111
Citations
The Budget of Turbulent Kinetic Energy in the Urban Roughness Sublayer

Andreas Christen;Mathias W. Rotach;Roland Vogt

102
Citations
Pollutant dispersion close to an urban surface – the BUBBLE tracer experiment

M. W. Rotach;S.-E. Gryning;E. Batchvarova;A. Christen

98
Citations
The surface energy balance and the mixing height in urban areas—activities and recommendations of COST-Action 715

Martin Piringer;Sylvain Joffre;Alexander Baklanov;Andreas Christen

97
Citations
TURBULENCE STRUCTURE AND EXCHANGE PROCESSES IN AN ALPINE VALLEY

Mathias W. Rotach;Pierluigi Calanca;Giovanni Graziani;Joachim Gurtz

10
Citations

Frequent Co-Authors

Zoran Nesic University of British Columbia

Nicholas C. Coops University of British Columbia

James A. Voogt University of Western Ontario

Timothy R. Oke University of British Columbia

Rachhpal S. Jassal University of British Columbia

Mathias W. Rotach University of Innsbruck

Marc B. Parlange University of Rhode Island

Matthias Roth National University of Singapore

C. S. B. Grimmond University of Reading

T. A. Black University of British Columbia

External Links

Personal website of Andreas Christen

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