Articles | Volume 10, issue 11
https://doi.org/10.5194/gmd-10-4187-2017
https://doi.org/10.5194/gmd-10-4187-2017
Development and technical paper
 | 
17 Nov 2017
Development and technical paper |  | 17 Nov 2017

Numerical framework for the computation of urban flux footprints employing large-eddy simulation and Lagrangian stochastic modeling

Mikko Auvinen, Leena Järvi, Antti Hellsten, Üllar Rannik, and Timo Vesala

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Latest update: 13 Jun 2024
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Short summary
Correct spatial interpretation of a micrometeorological measurement requires the determination of its effective source area, or footprint. In urban areas the use of analytical models becomes highly questionable. This work introduces a computational methodology that enables the generation of footprints for complex urban sites. The methodology is based on conducting high-resolution flow and particle analysis on a model that features a detailed topographic description of a real city environment.