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Implementation of a solar model and shadow plotting in the context of a 2D GIS

A validation based on radiometric measurements

Thomas Leduc, Xenia Stavropulos-Laffaille, Ignacio Requena-Ruiz

AAU-CRENAU, UMR 1563 CNRS/ECN/ENSAG/ENSAN
ENSA Nantes, 6 quai François Mitterrand, BP 16202, 44262 Nantes, France
thomas.leduc@crenau.archi.fr

Revue Internationale de Géomatique 2022, 31(2), 241-263. https://doi.org/10.3166/RIG.31.241-263©2022

Abstract

The adaptation of public spaces to episodes of intense heat is now a major challenge for cities. With this in mind, this article presents a contribution aimed at delineating and handling the shadows on the ground or in a horizontal plane at a given height, whether it comes from buildings, street furniture or the tree cover. After a comparison with shadows obtained via two reference tools, we present two urban sites that mix shadows of different origins and, in addition, different indicators. The results of the simulations are compared with pyranometric surveys carried out on site. The aim of these indicators is to assist urban designers with solutions that make it possible to distinguish the respective shadow contributions, their annual evolution and potential spatial or temporal continuities.

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APA Style
Leduc, T., Stavropulos-Laffaille, X., Requena-Ruiz, . (2022). Implementation of a solar model and shadow plotting in the context of a 2D gis<br/><br/>a validation based on radiometric measurements. Revue Internationale de Géomatique, 31(2), 241-263. https://doi.org/10.3166/RIG.31.241-263©2022
Vancouver Style
Leduc T, Stavropulos-Laffaille X, Requena-Ruiz . Implementation of a solar model and shadow plotting in the context of a 2D gis<br/><br/>a validation based on radiometric measurements. Revue Internationale de Géomatique. 2022;31(2):241-263 https://doi.org/10.3166/RIG.31.241-263©2022
IEEE Style
T. Leduc, X. Stavropulos-Laffaille, and . Requena-Ruiz "Implementation of a solar model and shadow plotting in the context of a 2D GIS<br/><br/>A validation based on radiometric measurements," Revue Internationale de Géomatique, vol. 31, no. 2, pp. 241-263. 2022. https://doi.org/10.3166/RIG.31.241-263©2022



cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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