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Mesoscale organisation of tropical convection

Project description

Solving the mysteries of convective cloud organisation and its influence on climate dynamics

Cloud patterns, especially at the mesoscale, influence Earth’s climate balance. However, we do not fully understand how they will change with warming or their impact on climate. This lack of understanding about the physical drivers of mesoscale convective organisation, along with limitations in simulation and observation, makes it challenging to address this important question. In this context, the ERC-funded MAESTRO project will use advanced airborne remote sensing to map cloud structures, interpret their interaction with surrounding environmental conditions, and assess their impact on climate. This interdisciplinary endeavour bridges airborne measurements with satellite observations and meteorological analyses, promising novel insights into atmospheric processes and climate modelling.

Objective

Recent research has shown that the spatial organisation of convection (and hence clouds) at the mesoscale (20-200km) dramatically affects the Earths energy balance and hydrological cycle. This raises the question as to how the organisation of convection will change with warming, and how it will influence the climate. A poor understanding of the physical drivers of the mesoscale organisation of convection, compounded by an inability to simulate and observe such processes, has hampered our ability to articulate this challenging question, let alone answer it. In MAESTRO I propose to develop observational approaches and analysis frameworks specifically designed to test mechanisms hypothesized to control the mesoscale organisation of both shallow and deep convective clouds. Advances in airborne remote sensing will be exploited to map the spatial structures of clouds and water vapor, to interpret their coupling through the analysis of coherent structures within the clear-air environment around clouds, and to understand their dependence on environmental conditions. This will help understand why and how convective clouds organise at the mesoscale, why the organisation co-varies with water vapor, clouds and radiation locally and remotely, and why it co-varies with climate conditions. By connecting observations from the airborne measurements to satellite observations and meteorological analyses, the generality of the insights from the field measurements will be tested and tempered. Finally, observational insights will be used to assess the new and emerging generation of climate models whose resolution is fine enough to represent the mesoscale organisation of convection and its interaction with climate. MAESTRO will lead to new experimental techniques for studying atmospheric processes, to an improved conceptualization of the interplay between convective organisation and climate, and to a critical assessment of the new generation of climate models for climate change studies.

Keywords

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Programme(s)

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Topic(s)

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Funding Scheme

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HORIZON-ERC - HORIZON ERC Grants

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Call for proposal

Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.

(opens in new window) ERC-2022-ADG

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Host institution

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 2 642 021,76
Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 2 994 634,00

Beneficiaries (4)

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