Objective
This project is aimed to the development of new computational stochastic models and measurement technique for simulating and evaluating the transport of gases and aerosol particles in the turbulent atmosphere with specific applications to the footprint problem, which assumes to evaluate the concentration and its fluxes at the detector contributed from different surface and volume sources. The main investigation instruments are the stochastic differential equations, which result, after an appropriate approximation, in random walk algorithms for simulating direct and backward Lagrangian trajectories of the parcels of the gas flow and aerosol particles. The results from modelling are verified and applied for ongoing field measurements of concentrations and fluxes of gases and aerosol particles.
Objective of the project is the foundation of a theoretical basis for the development of new stochastic models for solving the footprint problem with applications to specific problems of the gas and aerosol particle transport in the turbulent atmosphere, and in particular, analysis and comparison with the experimental data of the gas and pollutant transport within the canopy.
Within the framework of this project the following fundamental problems are of interest and of primary study:
1) Development and rigorous justification of stochastic Lagrangian models consistent with the experimentally obtained information about the statistical structure of the Eulerian velocity field in the surface and boundary layers of the turbulent atmosphere;
2) Numerical study of the footprint problem in its broad formulation which includes, in addition to classical formulation, the transport of chemically reacting species, nucleation and coagulation of aerosol particles in a turbulent regime including the case of the particle dispersion inside the canopy;
3) Extraction of practical recommendations from the numerical simulations: what are the quantities to be measured to estimate the concentrations and their fluxes, how should be arranged such measurements, what kind of parameterisations of the surface and boundary layers should be chosen, how should be carried out the sensitivity analysis to the boundary conditions and to their most important features of the footprint problem.
Results of the investigations will be presented in the form of scientific papers and computer codes.
Fields of science (EuroSciVoc)
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
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Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
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Coordinator
00014 Helsinki
Finland
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.