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Impact of Biogenic versus Anthropogenic emissions on Clouds and Climate: towards a Holistic UnderStanding

Impact of Biogenic versus Anthropogenic emissions on Clouds and Climate: towards a Holistic UnderStanding

Objective

Clouds are a very important, yet not well understood feedback factor in climate change and they contribute to the effective radiative forcing (ERF) from aerosol-cloud interactions (ACI). The uncertainty in ERFaci is larger than for any other forcing agent. Also, feedbacks between the terrestrial and marine biosphere and the atmosphere involving ACI are thought to play an important role in regulating climate change but their relevance remains poorly quantified.
BACCHUS proposes to quantify key processes and feedbacks controlling ACI, by combining advanced measurements of cloud and aerosol properties with state-of-the-art numerical modelling. The analysis of contrasting environments will be the guiding strategy for BACCHUS. We will investigate the importance of biogenic versus anthropogenic emissions for ACI in regions that are key regulators of Earth's climate (Amazonian rain forest) or are regarded as tipping elements in the climate system (Arctic).
BACCHUS will generate a unique database linking long-term observations and field campaign data of aerosol, cloud condensation and ice nuclei and cloud microphysical properties; this will enable a better quantification of the natural aerosol concentrations and the anthropogenic aerosol effect. BACCHUS will advance the understanding of biosphere aerosol-cloud-climate feedbacks that occur via emission and transformation of biogenic volatile organic compounds, primary biological aerosols, secondary organic aerosols and dust. Integration of new fundamental understanding gained in BACCHUS in Earth Systems Models allows to reduce the uncertainty in future climate projections. This will have a direct impact on decision-making addressing climate change adaptation and mitigation. BACCHUS brings together a critical mass of experimentalists and modellers with the required scientific expertise to address these complex topics and a high commitment to communicate their findings in many ways in order to ensure a high-impact project.

Coordinator

EIDGENOESSISCHE TECHNISCHE HOCHSCHULE ZUERICH

Address

Raemistrasse 101
8092 Zuerich

Switzerland

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 1 391 044

Administrative Contact

Ulrike Lohmann (Prof.)

Participants (20)

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HELSINGIN YLIOPISTO

Finland

EU Contribution

€ 639 739

PAUL SCHERRER INSTITUT

Switzerland

EU Contribution

€ 538 353

MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN EV

Germany

EU Contribution

€ 771 137

THE CHANCELLOR, MASTERS AND SCHOLARS OF THE UNIVERSITY OF OXFORD

United Kingdom

EU Contribution

€ 340 617,10

UNIVERSITETET I OSLO

Norway

EU Contribution

€ 439 052

ILMATIETEEN LAITOS

Finland

EU Contribution

€ 384 076

UNIVERSITY OF LEEDS

United Kingdom

EU Contribution

€ 315 840

THE UNIVERSITY OF MANCHESTER

United Kingdom

EU Contribution

€ 344 032

LEIBNIZ INSTITUT FUER TROPOSPHAERENFORSCHUNG e.V.

Germany

EU Contribution

€ 567 122,40

JOHANN WOLFGANG GOETHE-UNIVERSITATFRANKFURT AM MAIN

Germany

EU Contribution

€ 413 750

PANEPISTIMIO KRITIS

Greece

EU Contribution

€ 250 680

CONSIGLIO NAZIONALE DELLE RICERCHE

Italy

EU Contribution

€ 381 383

NATIONAL UNIVERSITY OF IRELAND GALWAY

Ireland

EU Contribution

€ 344 167

INSTITUTE OF NUCLEAR RESEARCH AND NUCLEAR ENERGY - BULGARIAN ACADEMY OF SCIENCES

Bulgaria

EU Contribution

€ 159 120

THE HEBREW UNIVERSITY OF JERUSALEM

Israel

EU Contribution

€ 304 392

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS

France

EU Contribution

€ 339 427

KARLSRUHER INSTITUT FUER TECHNOLOGIE

Germany

EU Contribution

€ 266 533,50

THE CYPRUS INSTITUTE

Cyprus

EU Contribution

€ 475 770

TECHNOLOGIKO PANEPISTIMIO KYPROU

Cyprus

EU Contribution

€ 80 352

GOETEBORGS UNIVERSITET

Sweden

Project information

Grant agreement ID: 603445

Status

Closed project

  • Start date

    1 December 2013

  • End date

    31 May 2018

Funded under:

FP7-ENVIRONMENT

  • Overall budget:

    € 11 463 091,40

  • EU contribution

    € 8 746 587

Coordinated by:

EIDGENOESSISCHE TECHNISCHE HOCHSCHULE ZUERICH

Switzerland

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