Phénomènes d’érosion fluviale et conditions hydrodynamiques de la rivière Saint-Maurice, Québec, Canada

This study was made in the lower portion of the Saint-Maurice River, one of the important rivers of Southern Québec. This study examines processes and phenomena who affect several banks of this portion of the river. Factors responsible for bank erosion such as waves and currents, water level changes...

Full description

Bibliographic Details
Main Authors: Diane Saint-Laurent, Michel Bérubé, Isabelle Thériault, Michel Lemieux
Format: Article
Language:English
Published: Société Royale Belge de Géographie and the Belgian National Committee of Geography 2002-06-01
Series:Belgeo
Subjects:
Online Access:http://journals.openedition.org/belgeo/16018
_version_ 1818719997124411392
author Diane Saint-Laurent
Michel Bérubé
Isabelle Thériault
Michel Lemieux
author_facet Diane Saint-Laurent
Michel Bérubé
Isabelle Thériault
Michel Lemieux
author_sort Diane Saint-Laurent
collection DOAJ
description This study was made in the lower portion of the Saint-Maurice River, one of the important rivers of Southern Québec. This study examines processes and phenomena who affect several banks of this portion of the river. Factors responsible for bank erosion such as waves and currents, water level changes and ice conditions are examined. The study covers specifically the river section between the Manigance rapids, North of the Grand-Mère hydroelectric power plant, and the des Hêtres rapids, in the South. Upstream of the power plant, banks are mostly made of clay or silty-clay more than half of the banks are active, that is 74,7 km on a total of 114,4 km. Downstream of the power plant, banks are mostly made of sand or a mixture of sand and gravel. The active banks form less than 10 %, or about 10,5 km in length for this sector. The rate of bank recession assessed by the digitalization of aerial photographs is of about 0,5 metres per year for the most eroded banks. The most affected zones are located in the high terraces of clay.
first_indexed 2024-12-17T20:15:49Z
format Article
id doaj.art-af12e86d27504409a3c648e564d1d5e0
institution Directory Open Access Journal
issn 1377-2368
2294-9135
language English
last_indexed 2024-12-17T20:15:49Z
publishDate 2002-06-01
publisher Société Royale Belge de Géographie and the Belgian National Committee of Geography
record_format Article
series Belgeo
spelling doaj.art-af12e86d27504409a3c648e564d1d5e02022-12-21T21:34:06ZengSociété Royale Belge de Géographie and the Belgian National Committee of GeographyBelgeo1377-23682294-91352002-06-01210913210.4000/belgeo.16018Phénomènes d’érosion fluviale et conditions hydrodynamiques de la rivière Saint-Maurice, Québec, CanadaDiane Saint-LaurentMichel BérubéIsabelle ThériaultMichel LemieuxThis study was made in the lower portion of the Saint-Maurice River, one of the important rivers of Southern Québec. This study examines processes and phenomena who affect several banks of this portion of the river. Factors responsible for bank erosion such as waves and currents, water level changes and ice conditions are examined. The study covers specifically the river section between the Manigance rapids, North of the Grand-Mère hydroelectric power plant, and the des Hêtres rapids, in the South. Upstream of the power plant, banks are mostly made of clay or silty-clay more than half of the banks are active, that is 74,7 km on a total of 114,4 km. Downstream of the power plant, banks are mostly made of sand or a mixture of sand and gravel. The active banks form less than 10 %, or about 10,5 km in length for this sector. The rate of bank recession assessed by the digitalization of aerial photographs is of about 0,5 metres per year for the most eroded banks. The most affected zones are located in the high terraces of clay.http://journals.openedition.org/belgeo/16018bank erosion and bank recessioncalculation of waves erosionhydroelectric power plantSaint-Maurice RiverQuébecCanada
spellingShingle Diane Saint-Laurent
Michel Bérubé
Isabelle Thériault
Michel Lemieux
Phénomènes d’érosion fluviale et conditions hydrodynamiques de la rivière Saint-Maurice, Québec, Canada
Belgeo
bank erosion and bank recession
calculation of waves erosion
hydroelectric power plant
Saint-Maurice River
Québec
Canada
title Phénomènes d’érosion fluviale et conditions hydrodynamiques de la rivière Saint-Maurice, Québec, Canada
title_full Phénomènes d’érosion fluviale et conditions hydrodynamiques de la rivière Saint-Maurice, Québec, Canada
title_fullStr Phénomènes d’érosion fluviale et conditions hydrodynamiques de la rivière Saint-Maurice, Québec, Canada
title_full_unstemmed Phénomènes d’érosion fluviale et conditions hydrodynamiques de la rivière Saint-Maurice, Québec, Canada
title_short Phénomènes d’érosion fluviale et conditions hydrodynamiques de la rivière Saint-Maurice, Québec, Canada
title_sort phenomenes d erosion fluviale et conditions hydrodynamiques de la riviere saint maurice quebec canada
topic bank erosion and bank recession
calculation of waves erosion
hydroelectric power plant
Saint-Maurice River
Québec
Canada
url http://journals.openedition.org/belgeo/16018
work_keys_str_mv AT dianesaintlaurent phenomenesderosionfluvialeetconditionshydrodynamiquesdelarivieresaintmauricequebeccanada
AT michelberube phenomenesderosionfluvialeetconditionshydrodynamiquesdelarivieresaintmauricequebeccanada
AT isabelletheriault phenomenesderosionfluvialeetconditionshydrodynamiquesdelarivieresaintmauricequebeccanada
AT michellemieux phenomenesderosionfluvialeetconditionshydrodynamiquesdelarivieresaintmauricequebeccanada