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CLIMAHAL SIGNED

Climate dimension of natural halogens in the Earth system: Past, present, future

Total Cost €

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EC-Contrib. €

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Partnership

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Project "CLIMAHAL" data sheet

The following table provides information about the project.

Coordinator
AGENCIA ESTATAL CONSEJO SUPERIOR DEINVESTIGACIONES CIENTIFICAS 

Organization address
address: CALLE SERRANO 117
city: MADRID
postcode: 28006
website: http://www.csic.es

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Spain [ES]
 Total cost 1˙979˙112 €
 EC max contribution 1˙979˙112 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2016-COG
 Funding Scheme ERC-COG
 Starting year 2017
 Duration (year-month-day) from 2017-09-01   to  2022-08-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    AGENCIA ESTATAL CONSEJO SUPERIOR DEINVESTIGACIONES CIENTIFICAS ES (MADRID) coordinator 1˙979˙112.00

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 Project objective

Naturally-emitted very short-lived halogens (VSLH) have a profound impact on the chemistry and composition of the atmosphere, destroying greenhouse gases and altering aerosol production, which together can change the Earth´s radiative balance. Therefore, natural halogens possess leverage to influence climate, although their contribution to climate change is not well established and most climate models have yet to consider their effects. Also, there is increasing evidence that natural halogens i) impact on the air quality of coastal cities, ii) accelerates the atmospheric deposition of mercury (a toxic heavy metal) and iii) that their natural ocean and ice emissions are controlled by biological and photochemical mechanisms that may respond to climate changes. Motivated by the above, this project aims to quantify the so far unrecognized natural halogen-climate feedbacks and the impact of these feedbacks on global atmospheric oxidizing capacity (AOC) and radiative forcing (RF) across pre-industrial, present and future climates. Answering these questions is essential to predict if these climate-mediated feedbacks can reduce or amplify future climate change. To this end we will develop a multidisciplinary research approach using laboratory and field observations and models interactively that will allow us to peel apart the detailed physical processes behind the contribution of natural halogens to global climate change. Furthermore, the work plan also involves examining past-future climate impacts of natural halogens within a holistic Earth System model, where we will develop the multidirectional halogen interactions in the land-ocean-ice-biosphere-atmosphere coupled system. This will provide a breakthrough in our understanding of the importance of these natural processes for the composition and oxidation capacity of the Earth´s atmosphere and climate, both in the presence and absence of human influence.

 Publications

year authors and title journal last update
List of publications.
2018 Alfonso Saiz-Lopez, Sebastian P. Sitkiewicz, Daniel Roca-Sanjuán, Josep M. Oliva-Enrich, Juan Z. Dávalos, Rafael Notario, Martin Jiskra, Yang Xu, Feiyue Wang, Colin P. Thackray, Elsie M. Sunderland, Daniel J. Jacob, Oleg Travnikov, Carlos A. Cuevas, A. Ulises Acuña, Daniel Rivero, John M. C. Plane, Douglas E. Kinnison, Jeroen E. Sonke
Photoreduction of gaseous oxidized mercury changes global atmospheric mercury speciation, transport and deposition
published pages: , ISSN: 2041-1723, DOI: 10.1038/s41467-018-07075-3
Nature Communications 9/1 2019-06-06
2018 Carlos A. Cuevas, Niccolò Maffezzoli, Juan Pablo Corella, Andrea Spolaor, Paul Vallelonga, Helle A. Kjær, Marius Simonsen, Mai Winstrup, Bo Vinther, Christopher Horvat, Rafael P. Fernandez, Douglas Kinnison, Jean-François Lamarque, Carlo Barbante, Alfonso Saiz-Lopez
Rapid increase in atmospheric iodine levels in the North Atlantic since the mid-20th century
published pages: , ISSN: 2041-1723, DOI: 10.1038/s41467-018-03756-1
Nature Communications 9/1 2019-06-06

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The information about "CLIMAHAL" are provided by the European Opendata Portal: CORDIS opendata.

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