The air and noise situation in the alpine transit valleys of Fréjus, Mont-Blanc, Gotthard and Brenner

The environmental consequences of road transport with regard to air and noise in the transit valleys of Fréjus, Mont-Blanc, Gotthard, and Brenner have been analysed and compared with each other for the year 2004. In respect of the share of transport passing through the Alps in transport as a whole,...

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Main Author: Jürg Thudium
Format: Article
Language:English
Published: Institut de Géographie Alpine 2007-03-01
Series:Revue de Géographie Alpine
Subjects:
Online Access:https://journals.openedition.org/rga/174
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author Jürg Thudium
author_facet Jürg Thudium
author_sort Jürg Thudium
collection DOAJ
description The environmental consequences of road transport with regard to air and noise in the transit valleys of Fréjus, Mont-Blanc, Gotthard, and Brenner have been analysed and compared with each other for the year 2004. In respect of the share of transport passing through the Alps in transport as a whole, there are in part considerable differences between the valleys under investigation as well as within the individual valleys. The air pollution produced per emission unit of road transport is two to three times higher than in the open country, mainly because of the topography and the climate. At numerous monitoring points, the thresholds for the air pollution were exceeded. With regard to noise, the valleys are affected equally bad: The “amphitheatre effect” carries the noise to the higher reaches that would not be exposed to so much acoustic irradiation if the source of noise was situated at the same distance in the open country; furthermore, protection from the noise reflected by the slope is difficult. In aggregate, all transit valleys under investigation can be considered as sensitive regions.
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spelling doaj-art-d5cb9113e2644bfe823858ddfae97b062025-01-10T15:55:41ZengInstitut de Géographie AlpineRevue de Géographie Alpine0035-11211760-74262007-03-01951435110.4000/rga.174The air and noise situation in the alpine transit valleys of Fréjus, Mont-Blanc, Gotthard and BrennerJürg ThudiumThe environmental consequences of road transport with regard to air and noise in the transit valleys of Fréjus, Mont-Blanc, Gotthard, and Brenner have been analysed and compared with each other for the year 2004. In respect of the share of transport passing through the Alps in transport as a whole, there are in part considerable differences between the valleys under investigation as well as within the individual valleys. The air pollution produced per emission unit of road transport is two to three times higher than in the open country, mainly because of the topography and the climate. At numerous monitoring points, the thresholds for the air pollution were exceeded. With regard to noise, the valleys are affected equally bad: The “amphitheatre effect” carries the noise to the higher reaches that would not be exposed to so much acoustic irradiation if the source of noise was situated at the same distance in the open country; furthermore, protection from the noise reflected by the slope is difficult. In aggregate, all transit valleys under investigation can be considered as sensitive regions.https://journals.openedition.org/rga/174alpine transit valleysair hygieneair pollutionnoise pollution
spellingShingle Jürg Thudium
The air and noise situation in the alpine transit valleys of Fréjus, Mont-Blanc, Gotthard and Brenner
Revue de Géographie Alpine
alpine transit valleys
air hygiene
air pollution
noise pollution
title The air and noise situation in the alpine transit valleys of Fréjus, Mont-Blanc, Gotthard and Brenner
title_full The air and noise situation in the alpine transit valleys of Fréjus, Mont-Blanc, Gotthard and Brenner
title_fullStr The air and noise situation in the alpine transit valleys of Fréjus, Mont-Blanc, Gotthard and Brenner
title_full_unstemmed The air and noise situation in the alpine transit valleys of Fréjus, Mont-Blanc, Gotthard and Brenner
title_short The air and noise situation in the alpine transit valleys of Fréjus, Mont-Blanc, Gotthard and Brenner
title_sort air and noise situation in the alpine transit valleys of frejus mont blanc gotthard and brenner
topic alpine transit valleys
air hygiene
air pollution
noise pollution
url https://journals.openedition.org/rga/174
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