Effect of Tropical Cyclones on Short-Term Evolution of Carbonate Sandy Beaches on Reunion Island, Indian Ocean
Carbonate sandy beaches in Reunion Island show various forms of evidence of erosion. Extreme waves associated with tropical cyclones (TCs) play a major role in beach dynamics. The present study analyzes and quantifies back-reef beach response and recovery from forcing generated by TCs Dumile, Fellen...
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| Autor*in: |
Marie-Myriam Mahabot [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017 |
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| Rechteinformationen: |
Nutzungsrecht: © 2017 Coastal Education and Research Foundation, Inc. [CERF] © Distributed under a Creative Commons Attribution 4.0 International License |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Journal of coastal research - Fort Lauderdale, Fla. : CERF, 1985, 33(2017), 4, Seite 839-853 |
|---|---|
| Übergeordnetes Werk: |
volume:33 ; year:2017 ; number:4 ; pages:839-853 |
| Links: |
|---|
| DOI / URN: |
10.2112/JCOASTRES-D-16-00031.1 |
|---|
| Katalog-ID: |
OLC1997867117 |
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| 520 | |a Carbonate sandy beaches in Reunion Island show various forms of evidence of erosion. Extreme waves associated with tropical cyclones (TCs) play a major role in beach dynamics. The present study analyzes and quantifies back-reef beach response and recovery from forcing generated by TCs Dumile, Felleng, and Bejisa, which occurred in 2013 and 2014. The study focuses on carbonate beaches of Reunion Island from Cap Champagne to the Passe de Trois-Bassins. Morphological and volumetric changes on beaches were analyzed by comparing 19 beach profiles. The results show that TCs are able to cause significant morphosedimentary change on the back-reef beaches of Reunion Island. These changes affect beach topography and involve longshore and cross-shore sediment transport. An alongshore variation in beach response is observed, which varies according to tropical storm intensity and coastal morphology. The intensity of impact seems to be related to reef width. The most severe erosion occurred at Boucan Canot, where reef is absent with a loss of —24 ± 2 m³ after TC Dumile, –38.7 ± 1.2 m³ after Felleng, and —42.5 ± 1.6 m³ after Bejisa. Elsewhere, the volumetric changes is less than 5 m³ under TC Dumile and vary between 2 and 11 m³ under TC Felleng and between 2 and 23 m³ under TC Bejisa. No significant impact occurred at La Saline where the reef flat is large and provides good protection for the beach; however, relative coastline orientation and prestorm beach-profile morphology also play an essential role in storm impact. Wave height and water level are also determinant factors of storm erosion potential. After storms, the beaches show a relative capacity for recovering because of calm conditions; however, different behaviours are observed along the same beach compartment. This suggests local influence of coastal structure and/or reef geomorphology in sediment transport processes. | ||
| 540 | |a Nutzungsrecht: © 2017 Coastal Education and Research Foundation, Inc. [CERF] | ||
| 540 | |a © Distributed under a Creative Commons Attribution 4.0 International License | ||
| 650 | 4 | |a Reefs | |
| 650 | 4 | |a Tropical cyclones | |
| 650 | 4 | |a Coral reef ecology | |
| 650 | 4 | |a Ocean | |
| 650 | 4 | |a Analysis | |
| 650 | 4 | |a Carbonates | |
| 650 | 4 | |a Coastlines | |
| 650 | 4 | |a Cyclones | |
| 650 | 4 | |a Champagne | |
| 650 | 4 | |a Climate change | |
| 650 | 4 | |a Soil erosion | |
| 650 | 4 | |a Storms | |
| 650 | 4 | |a Water levels | |
| 650 | 4 | |a Topography (geology) | |
| 650 | 4 | |a Geomorphology | |
| 650 | 4 | |a Recovering | |
| 650 | 4 | |a Coastal morphology | |
| 650 | 4 | |a Sediment transport | |
| 650 | 4 | |a Transport processes | |
| 650 | 4 | |a Topography | |
| 650 | 4 | |a Coasts | |
| 650 | 4 | |a Beaches | |
| 650 | 4 | |a Orientation | |
| 650 | 4 | |a Coastal structures | |
| 650 | 4 | |a Banks (topography) | |
| 650 | 4 | |a Wave power | |
| 650 | 4 | |a Dynamic tests | |
| 650 | 4 | |a Protection | |
| 650 | 4 | |a Dynamics | |
| 650 | 4 | |a Sediments | |
| 650 | 4 | |a Hurricanes | |
| 650 | 4 | |a Erosion | |
| 650 | 4 | |a Saline | |
| 650 | 4 | |a Transport | |
| 650 | 4 | |a Wave height | |
| 650 | 4 | |a Coral reefs | |
| 650 | 4 | |a Morphology | |
| 650 | 4 | |a Slopes (topography) | |
| 650 | 4 | |a Beach profiles | |
| 650 | 4 | |a Loads (forces) | |
| 650 | 4 | |a Capacity | |
| 650 | 4 | |a Economic conditions | |
| 650 | 4 | |a Beach erosion | |
| 650 | 4 | |a Environmental Sciences | |
| 650 | 4 | |a Earth Sciences | |
| 650 | 4 | |a Sciences of the Universe | |
| 700 | 0 | |a Gwenaëlle Pennober |4 oth | |
| 700 | 0 | |a Serge Suanez |4 oth | |
| 700 | 0 | |a Roland Troadec |4 oth | |
| 700 | 0 | |a Christophe Delacourt |4 oth | |
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10.2112/JCOASTRES-D-16-00031.1 doi PQ20171228 (DE-627)OLC1997867117 (DE-599)GBVOLC1997867117 (PRQ)c2499-746d7ddd8a83aa9d1f5ee1427e1d7f469e22330dbcc017d42edc896e394fa9a80 (KEY)0141275220170000033000400839effectoftropicalcyclonesonshorttermevolutionofcarb DE-627 ger DE-627 rakwb eng 550 530 DNB BIODIV fid 38.48 bkl Marie-Myriam Mahabot verfasserin aut Effect of Tropical Cyclones on Short-Term Evolution of Carbonate Sandy Beaches on Reunion Island, Indian Ocean 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Carbonate sandy beaches in Reunion Island show various forms of evidence of erosion. Extreme waves associated with tropical cyclones (TCs) play a major role in beach dynamics. The present study analyzes and quantifies back-reef beach response and recovery from forcing generated by TCs Dumile, Felleng, and Bejisa, which occurred in 2013 and 2014. The study focuses on carbonate beaches of Reunion Island from Cap Champagne to the Passe de Trois-Bassins. Morphological and volumetric changes on beaches were analyzed by comparing 19 beach profiles. The results show that TCs are able to cause significant morphosedimentary change on the back-reef beaches of Reunion Island. These changes affect beach topography and involve longshore and cross-shore sediment transport. An alongshore variation in beach response is observed, which varies according to tropical storm intensity and coastal morphology. The intensity of impact seems to be related to reef width. The most severe erosion occurred at Boucan Canot, where reef is absent with a loss of —24 ± 2 m³ after TC Dumile, –38.7 ± 1.2 m³ after Felleng, and —42.5 ± 1.6 m³ after Bejisa. Elsewhere, the volumetric changes is less than 5 m³ under TC Dumile and vary between 2 and 11 m³ under TC Felleng and between 2 and 23 m³ under TC Bejisa. No significant impact occurred at La Saline where the reef flat is large and provides good protection for the beach; however, relative coastline orientation and prestorm beach-profile morphology also play an essential role in storm impact. Wave height and water level are also determinant factors of storm erosion potential. After storms, the beaches show a relative capacity for recovering because of calm conditions; however, different behaviours are observed along the same beach compartment. This suggests local influence of coastal structure and/or reef geomorphology in sediment transport processes. Nutzungsrecht: © 2017 Coastal Education and Research Foundation, Inc. [CERF] © Distributed under a Creative Commons Attribution 4.0 International License Reefs Tropical cyclones Coral reef ecology Ocean Analysis Carbonates Coastlines Cyclones Champagne Climate change Soil erosion Storms Water levels Topography (geology) Geomorphology Recovering Coastal morphology Sediment transport Transport processes Topography Coasts Beaches Orientation Coastal structures Banks (topography) Wave power Dynamic tests Protection Dynamics Sediments Hurricanes Erosion Saline Transport Wave height Coral reefs Morphology Slopes (topography) Beach profiles Loads (forces) Capacity Economic conditions Beach erosion Environmental Sciences Earth Sciences Sciences of the Universe Gwenaëlle Pennober oth Serge Suanez oth Roland Troadec oth Christophe Delacourt oth Enthalten in Journal of coastal research Fort Lauderdale, Fla. : CERF, 1985 33(2017), 4, Seite 839-853 (DE-627)129194530 (DE-600)53639-8 (DE-576)9129194539 0749-0208 nnns volume:33 year:2017 number:4 pages:839-853 http://dx.doi.org/10.2112/JCOASTRES-D-16-00031.1 Volltext http://www.jstor.org/stable/44259494 https://search.proquest.com/docview/1922447109 https://hal.archives-ouvertes.fr/hal-01398914 GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_22 GBV_ILN_23 GBV_ILN_70 GBV_ILN_183 GBV_ILN_4082 38.48 AVZ AR 33 2017 4 839-853 |
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10.2112/JCOASTRES-D-16-00031.1 doi PQ20171228 (DE-627)OLC1997867117 (DE-599)GBVOLC1997867117 (PRQ)c2499-746d7ddd8a83aa9d1f5ee1427e1d7f469e22330dbcc017d42edc896e394fa9a80 (KEY)0141275220170000033000400839effectoftropicalcyclonesonshorttermevolutionofcarb DE-627 ger DE-627 rakwb eng 550 530 DNB BIODIV fid 38.48 bkl Marie-Myriam Mahabot verfasserin aut Effect of Tropical Cyclones on Short-Term Evolution of Carbonate Sandy Beaches on Reunion Island, Indian Ocean 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Carbonate sandy beaches in Reunion Island show various forms of evidence of erosion. Extreme waves associated with tropical cyclones (TCs) play a major role in beach dynamics. The present study analyzes and quantifies back-reef beach response and recovery from forcing generated by TCs Dumile, Felleng, and Bejisa, which occurred in 2013 and 2014. The study focuses on carbonate beaches of Reunion Island from Cap Champagne to the Passe de Trois-Bassins. Morphological and volumetric changes on beaches were analyzed by comparing 19 beach profiles. The results show that TCs are able to cause significant morphosedimentary change on the back-reef beaches of Reunion Island. These changes affect beach topography and involve longshore and cross-shore sediment transport. An alongshore variation in beach response is observed, which varies according to tropical storm intensity and coastal morphology. The intensity of impact seems to be related to reef width. The most severe erosion occurred at Boucan Canot, where reef is absent with a loss of —24 ± 2 m³ after TC Dumile, –38.7 ± 1.2 m³ after Felleng, and —42.5 ± 1.6 m³ after Bejisa. Elsewhere, the volumetric changes is less than 5 m³ under TC Dumile and vary between 2 and 11 m³ under TC Felleng and between 2 and 23 m³ under TC Bejisa. No significant impact occurred at La Saline where the reef flat is large and provides good protection for the beach; however, relative coastline orientation and prestorm beach-profile morphology also play an essential role in storm impact. Wave height and water level are also determinant factors of storm erosion potential. After storms, the beaches show a relative capacity for recovering because of calm conditions; however, different behaviours are observed along the same beach compartment. This suggests local influence of coastal structure and/or reef geomorphology in sediment transport processes. Nutzungsrecht: © 2017 Coastal Education and Research Foundation, Inc. [CERF] © Distributed under a Creative Commons Attribution 4.0 International License Reefs Tropical cyclones Coral reef ecology Ocean Analysis Carbonates Coastlines Cyclones Champagne Climate change Soil erosion Storms Water levels Topography (geology) Geomorphology Recovering Coastal morphology Sediment transport Transport processes Topography Coasts Beaches Orientation Coastal structures Banks (topography) Wave power Dynamic tests Protection Dynamics Sediments Hurricanes Erosion Saline Transport Wave height Coral reefs Morphology Slopes (topography) Beach profiles Loads (forces) Capacity Economic conditions Beach erosion Environmental Sciences Earth Sciences Sciences of the Universe Gwenaëlle Pennober oth Serge Suanez oth Roland Troadec oth Christophe Delacourt oth Enthalten in Journal of coastal research Fort Lauderdale, Fla. : CERF, 1985 33(2017), 4, Seite 839-853 (DE-627)129194530 (DE-600)53639-8 (DE-576)9129194539 0749-0208 nnns volume:33 year:2017 number:4 pages:839-853 http://dx.doi.org/10.2112/JCOASTRES-D-16-00031.1 Volltext http://www.jstor.org/stable/44259494 https://search.proquest.com/docview/1922447109 https://hal.archives-ouvertes.fr/hal-01398914 GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_22 GBV_ILN_23 GBV_ILN_70 GBV_ILN_183 GBV_ILN_4082 38.48 AVZ AR 33 2017 4 839-853 |
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10.2112/JCOASTRES-D-16-00031.1 doi PQ20171228 (DE-627)OLC1997867117 (DE-599)GBVOLC1997867117 (PRQ)c2499-746d7ddd8a83aa9d1f5ee1427e1d7f469e22330dbcc017d42edc896e394fa9a80 (KEY)0141275220170000033000400839effectoftropicalcyclonesonshorttermevolutionofcarb DE-627 ger DE-627 rakwb eng 550 530 DNB BIODIV fid 38.48 bkl Marie-Myriam Mahabot verfasserin aut Effect of Tropical Cyclones on Short-Term Evolution of Carbonate Sandy Beaches on Reunion Island, Indian Ocean 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Carbonate sandy beaches in Reunion Island show various forms of evidence of erosion. Extreme waves associated with tropical cyclones (TCs) play a major role in beach dynamics. The present study analyzes and quantifies back-reef beach response and recovery from forcing generated by TCs Dumile, Felleng, and Bejisa, which occurred in 2013 and 2014. The study focuses on carbonate beaches of Reunion Island from Cap Champagne to the Passe de Trois-Bassins. Morphological and volumetric changes on beaches were analyzed by comparing 19 beach profiles. The results show that TCs are able to cause significant morphosedimentary change on the back-reef beaches of Reunion Island. These changes affect beach topography and involve longshore and cross-shore sediment transport. An alongshore variation in beach response is observed, which varies according to tropical storm intensity and coastal morphology. The intensity of impact seems to be related to reef width. The most severe erosion occurred at Boucan Canot, where reef is absent with a loss of —24 ± 2 m³ after TC Dumile, –38.7 ± 1.2 m³ after Felleng, and —42.5 ± 1.6 m³ after Bejisa. Elsewhere, the volumetric changes is less than 5 m³ under TC Dumile and vary between 2 and 11 m³ under TC Felleng and between 2 and 23 m³ under TC Bejisa. No significant impact occurred at La Saline where the reef flat is large and provides good protection for the beach; however, relative coastline orientation and prestorm beach-profile morphology also play an essential role in storm impact. Wave height and water level are also determinant factors of storm erosion potential. After storms, the beaches show a relative capacity for recovering because of calm conditions; however, different behaviours are observed along the same beach compartment. This suggests local influence of coastal structure and/or reef geomorphology in sediment transport processes. Nutzungsrecht: © 2017 Coastal Education and Research Foundation, Inc. [CERF] © Distributed under a Creative Commons Attribution 4.0 International License Reefs Tropical cyclones Coral reef ecology Ocean Analysis Carbonates Coastlines Cyclones Champagne Climate change Soil erosion Storms Water levels Topography (geology) Geomorphology Recovering Coastal morphology Sediment transport Transport processes Topography Coasts Beaches Orientation Coastal structures Banks (topography) Wave power Dynamic tests Protection Dynamics Sediments Hurricanes Erosion Saline Transport Wave height Coral reefs Morphology Slopes (topography) Beach profiles Loads (forces) Capacity Economic conditions Beach erosion Environmental Sciences Earth Sciences Sciences of the Universe Gwenaëlle Pennober oth Serge Suanez oth Roland Troadec oth Christophe Delacourt oth Enthalten in Journal of coastal research Fort Lauderdale, Fla. : CERF, 1985 33(2017), 4, Seite 839-853 (DE-627)129194530 (DE-600)53639-8 (DE-576)9129194539 0749-0208 nnns volume:33 year:2017 number:4 pages:839-853 http://dx.doi.org/10.2112/JCOASTRES-D-16-00031.1 Volltext http://www.jstor.org/stable/44259494 https://search.proquest.com/docview/1922447109 https://hal.archives-ouvertes.fr/hal-01398914 GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_22 GBV_ILN_23 GBV_ILN_70 GBV_ILN_183 GBV_ILN_4082 38.48 AVZ AR 33 2017 4 839-853 |
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10.2112/JCOASTRES-D-16-00031.1 doi PQ20171228 (DE-627)OLC1997867117 (DE-599)GBVOLC1997867117 (PRQ)c2499-746d7ddd8a83aa9d1f5ee1427e1d7f469e22330dbcc017d42edc896e394fa9a80 (KEY)0141275220170000033000400839effectoftropicalcyclonesonshorttermevolutionofcarb DE-627 ger DE-627 rakwb eng 550 530 DNB BIODIV fid 38.48 bkl Marie-Myriam Mahabot verfasserin aut Effect of Tropical Cyclones on Short-Term Evolution of Carbonate Sandy Beaches on Reunion Island, Indian Ocean 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Carbonate sandy beaches in Reunion Island show various forms of evidence of erosion. Extreme waves associated with tropical cyclones (TCs) play a major role in beach dynamics. The present study analyzes and quantifies back-reef beach response and recovery from forcing generated by TCs Dumile, Felleng, and Bejisa, which occurred in 2013 and 2014. The study focuses on carbonate beaches of Reunion Island from Cap Champagne to the Passe de Trois-Bassins. Morphological and volumetric changes on beaches were analyzed by comparing 19 beach profiles. The results show that TCs are able to cause significant morphosedimentary change on the back-reef beaches of Reunion Island. These changes affect beach topography and involve longshore and cross-shore sediment transport. An alongshore variation in beach response is observed, which varies according to tropical storm intensity and coastal morphology. The intensity of impact seems to be related to reef width. The most severe erosion occurred at Boucan Canot, where reef is absent with a loss of —24 ± 2 m³ after TC Dumile, –38.7 ± 1.2 m³ after Felleng, and —42.5 ± 1.6 m³ after Bejisa. Elsewhere, the volumetric changes is less than 5 m³ under TC Dumile and vary between 2 and 11 m³ under TC Felleng and between 2 and 23 m³ under TC Bejisa. No significant impact occurred at La Saline where the reef flat is large and provides good protection for the beach; however, relative coastline orientation and prestorm beach-profile morphology also play an essential role in storm impact. Wave height and water level are also determinant factors of storm erosion potential. After storms, the beaches show a relative capacity for recovering because of calm conditions; however, different behaviours are observed along the same beach compartment. This suggests local influence of coastal structure and/or reef geomorphology in sediment transport processes. Nutzungsrecht: © 2017 Coastal Education and Research Foundation, Inc. [CERF] © Distributed under a Creative Commons Attribution 4.0 International License Reefs Tropical cyclones Coral reef ecology Ocean Analysis Carbonates Coastlines Cyclones Champagne Climate change Soil erosion Storms Water levels Topography (geology) Geomorphology Recovering Coastal morphology Sediment transport Transport processes Topography Coasts Beaches Orientation Coastal structures Banks (topography) Wave power Dynamic tests Protection Dynamics Sediments Hurricanes Erosion Saline Transport Wave height Coral reefs Morphology Slopes (topography) Beach profiles Loads (forces) Capacity Economic conditions Beach erosion Environmental Sciences Earth Sciences Sciences of the Universe Gwenaëlle Pennober oth Serge Suanez oth Roland Troadec oth Christophe Delacourt oth Enthalten in Journal of coastal research Fort Lauderdale, Fla. : CERF, 1985 33(2017), 4, Seite 839-853 (DE-627)129194530 (DE-600)53639-8 (DE-576)9129194539 0749-0208 nnns volume:33 year:2017 number:4 pages:839-853 http://dx.doi.org/10.2112/JCOASTRES-D-16-00031.1 Volltext http://www.jstor.org/stable/44259494 https://search.proquest.com/docview/1922447109 https://hal.archives-ouvertes.fr/hal-01398914 GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_22 GBV_ILN_23 GBV_ILN_70 GBV_ILN_183 GBV_ILN_4082 38.48 AVZ AR 33 2017 4 839-853 |
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10.2112/JCOASTRES-D-16-00031.1 doi PQ20171228 (DE-627)OLC1997867117 (DE-599)GBVOLC1997867117 (PRQ)c2499-746d7ddd8a83aa9d1f5ee1427e1d7f469e22330dbcc017d42edc896e394fa9a80 (KEY)0141275220170000033000400839effectoftropicalcyclonesonshorttermevolutionofcarb DE-627 ger DE-627 rakwb eng 550 530 DNB BIODIV fid 38.48 bkl Marie-Myriam Mahabot verfasserin aut Effect of Tropical Cyclones on Short-Term Evolution of Carbonate Sandy Beaches on Reunion Island, Indian Ocean 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Carbonate sandy beaches in Reunion Island show various forms of evidence of erosion. Extreme waves associated with tropical cyclones (TCs) play a major role in beach dynamics. The present study analyzes and quantifies back-reef beach response and recovery from forcing generated by TCs Dumile, Felleng, and Bejisa, which occurred in 2013 and 2014. The study focuses on carbonate beaches of Reunion Island from Cap Champagne to the Passe de Trois-Bassins. Morphological and volumetric changes on beaches were analyzed by comparing 19 beach profiles. The results show that TCs are able to cause significant morphosedimentary change on the back-reef beaches of Reunion Island. These changes affect beach topography and involve longshore and cross-shore sediment transport. An alongshore variation in beach response is observed, which varies according to tropical storm intensity and coastal morphology. The intensity of impact seems to be related to reef width. The most severe erosion occurred at Boucan Canot, where reef is absent with a loss of —24 ± 2 m³ after TC Dumile, –38.7 ± 1.2 m³ after Felleng, and —42.5 ± 1.6 m³ after Bejisa. Elsewhere, the volumetric changes is less than 5 m³ under TC Dumile and vary between 2 and 11 m³ under TC Felleng and between 2 and 23 m³ under TC Bejisa. No significant impact occurred at La Saline where the reef flat is large and provides good protection for the beach; however, relative coastline orientation and prestorm beach-profile morphology also play an essential role in storm impact. Wave height and water level are also determinant factors of storm erosion potential. After storms, the beaches show a relative capacity for recovering because of calm conditions; however, different behaviours are observed along the same beach compartment. This suggests local influence of coastal structure and/or reef geomorphology in sediment transport processes. Nutzungsrecht: © 2017 Coastal Education and Research Foundation, Inc. [CERF] © Distributed under a Creative Commons Attribution 4.0 International License Reefs Tropical cyclones Coral reef ecology Ocean Analysis Carbonates Coastlines Cyclones Champagne Climate change Soil erosion Storms Water levels Topography (geology) Geomorphology Recovering Coastal morphology Sediment transport Transport processes Topography Coasts Beaches Orientation Coastal structures Banks (topography) Wave power Dynamic tests Protection Dynamics Sediments Hurricanes Erosion Saline Transport Wave height Coral reefs Morphology Slopes (topography) Beach profiles Loads (forces) Capacity Economic conditions Beach erosion Environmental Sciences Earth Sciences Sciences of the Universe Gwenaëlle Pennober oth Serge Suanez oth Roland Troadec oth Christophe Delacourt oth Enthalten in Journal of coastal research Fort Lauderdale, Fla. : CERF, 1985 33(2017), 4, Seite 839-853 (DE-627)129194530 (DE-600)53639-8 (DE-576)9129194539 0749-0208 nnns volume:33 year:2017 number:4 pages:839-853 http://dx.doi.org/10.2112/JCOASTRES-D-16-00031.1 Volltext http://www.jstor.org/stable/44259494 https://search.proquest.com/docview/1922447109 https://hal.archives-ouvertes.fr/hal-01398914 GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_22 GBV_ILN_23 GBV_ILN_70 GBV_ILN_183 GBV_ILN_4082 38.48 AVZ AR 33 2017 4 839-853 |
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Marie-Myriam Mahabot ddc 550 fid BIODIV bkl 38.48 misc Reefs misc Tropical cyclones misc Coral reef ecology misc Ocean misc Analysis misc Carbonates misc Coastlines misc Cyclones misc Champagne misc Climate change misc Soil erosion misc Storms misc Water levels misc Topography (geology) misc Geomorphology misc Recovering misc Coastal morphology misc Sediment transport misc Transport processes misc Topography misc Coasts misc Beaches misc Orientation misc Coastal structures misc Banks (topography) misc Wave power misc Dynamic tests misc Protection misc Dynamics misc Sediments misc Hurricanes misc Erosion misc Saline misc Transport misc Wave height misc Coral reefs misc Morphology misc Slopes (topography) misc Beach profiles misc Loads (forces) misc Capacity misc Economic conditions misc Beach erosion misc Environmental Sciences misc Earth Sciences misc Sciences of the Universe Effect of Tropical Cyclones on Short-Term Evolution of Carbonate Sandy Beaches on Reunion Island, Indian Ocean |
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550 530 DNB BIODIV fid 38.48 bkl Effect of Tropical Cyclones on Short-Term Evolution of Carbonate Sandy Beaches on Reunion Island, Indian Ocean Reefs Tropical cyclones Coral reef ecology Ocean Analysis Carbonates Coastlines Cyclones Champagne Climate change Soil erosion Storms Water levels Topography (geology) Geomorphology Recovering Coastal morphology Sediment transport Transport processes Topography Coasts Beaches Orientation Coastal structures Banks (topography) Wave power Dynamic tests Protection Dynamics Sediments Hurricanes Erosion Saline Transport Wave height Coral reefs Morphology Slopes (topography) Beach profiles Loads (forces) Capacity Economic conditions Beach erosion Environmental Sciences Earth Sciences Sciences of the Universe |
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effect of tropical cyclones on short-term evolution of carbonate sandy beaches on reunion island, indian ocean |
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Effect of Tropical Cyclones on Short-Term Evolution of Carbonate Sandy Beaches on Reunion Island, Indian Ocean |
| abstract |
Carbonate sandy beaches in Reunion Island show various forms of evidence of erosion. Extreme waves associated with tropical cyclones (TCs) play a major role in beach dynamics. The present study analyzes and quantifies back-reef beach response and recovery from forcing generated by TCs Dumile, Felleng, and Bejisa, which occurred in 2013 and 2014. The study focuses on carbonate beaches of Reunion Island from Cap Champagne to the Passe de Trois-Bassins. Morphological and volumetric changes on beaches were analyzed by comparing 19 beach profiles. The results show that TCs are able to cause significant morphosedimentary change on the back-reef beaches of Reunion Island. These changes affect beach topography and involve longshore and cross-shore sediment transport. An alongshore variation in beach response is observed, which varies according to tropical storm intensity and coastal morphology. The intensity of impact seems to be related to reef width. The most severe erosion occurred at Boucan Canot, where reef is absent with a loss of —24 ± 2 m³ after TC Dumile, –38.7 ± 1.2 m³ after Felleng, and —42.5 ± 1.6 m³ after Bejisa. Elsewhere, the volumetric changes is less than 5 m³ under TC Dumile and vary between 2 and 11 m³ under TC Felleng and between 2 and 23 m³ under TC Bejisa. No significant impact occurred at La Saline where the reef flat is large and provides good protection for the beach; however, relative coastline orientation and prestorm beach-profile morphology also play an essential role in storm impact. Wave height and water level are also determinant factors of storm erosion potential. After storms, the beaches show a relative capacity for recovering because of calm conditions; however, different behaviours are observed along the same beach compartment. This suggests local influence of coastal structure and/or reef geomorphology in sediment transport processes. |
| abstractGer |
Carbonate sandy beaches in Reunion Island show various forms of evidence of erosion. Extreme waves associated with tropical cyclones (TCs) play a major role in beach dynamics. The present study analyzes and quantifies back-reef beach response and recovery from forcing generated by TCs Dumile, Felleng, and Bejisa, which occurred in 2013 and 2014. The study focuses on carbonate beaches of Reunion Island from Cap Champagne to the Passe de Trois-Bassins. Morphological and volumetric changes on beaches were analyzed by comparing 19 beach profiles. The results show that TCs are able to cause significant morphosedimentary change on the back-reef beaches of Reunion Island. These changes affect beach topography and involve longshore and cross-shore sediment transport. An alongshore variation in beach response is observed, which varies according to tropical storm intensity and coastal morphology. The intensity of impact seems to be related to reef width. The most severe erosion occurred at Boucan Canot, where reef is absent with a loss of —24 ± 2 m³ after TC Dumile, –38.7 ± 1.2 m³ after Felleng, and —42.5 ± 1.6 m³ after Bejisa. Elsewhere, the volumetric changes is less than 5 m³ under TC Dumile and vary between 2 and 11 m³ under TC Felleng and between 2 and 23 m³ under TC Bejisa. No significant impact occurred at La Saline where the reef flat is large and provides good protection for the beach; however, relative coastline orientation and prestorm beach-profile morphology also play an essential role in storm impact. Wave height and water level are also determinant factors of storm erosion potential. After storms, the beaches show a relative capacity for recovering because of calm conditions; however, different behaviours are observed along the same beach compartment. This suggests local influence of coastal structure and/or reef geomorphology in sediment transport processes. |
| abstract_unstemmed |
Carbonate sandy beaches in Reunion Island show various forms of evidence of erosion. Extreme waves associated with tropical cyclones (TCs) play a major role in beach dynamics. The present study analyzes and quantifies back-reef beach response and recovery from forcing generated by TCs Dumile, Felleng, and Bejisa, which occurred in 2013 and 2014. The study focuses on carbonate beaches of Reunion Island from Cap Champagne to the Passe de Trois-Bassins. Morphological and volumetric changes on beaches were analyzed by comparing 19 beach profiles. The results show that TCs are able to cause significant morphosedimentary change on the back-reef beaches of Reunion Island. These changes affect beach topography and involve longshore and cross-shore sediment transport. An alongshore variation in beach response is observed, which varies according to tropical storm intensity and coastal morphology. The intensity of impact seems to be related to reef width. The most severe erosion occurred at Boucan Canot, where reef is absent with a loss of —24 ± 2 m³ after TC Dumile, –38.7 ± 1.2 m³ after Felleng, and —42.5 ± 1.6 m³ after Bejisa. Elsewhere, the volumetric changes is less than 5 m³ under TC Dumile and vary between 2 and 11 m³ under TC Felleng and between 2 and 23 m³ under TC Bejisa. No significant impact occurred at La Saline where the reef flat is large and provides good protection for the beach; however, relative coastline orientation and prestorm beach-profile morphology also play an essential role in storm impact. Wave height and water level are also determinant factors of storm erosion potential. After storms, the beaches show a relative capacity for recovering because of calm conditions; however, different behaviours are observed along the same beach compartment. This suggests local influence of coastal structure and/or reef geomorphology in sediment transport processes. |
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Effect of Tropical Cyclones on Short-Term Evolution of Carbonate Sandy Beaches on Reunion Island, Indian Ocean |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a2200265 4500</leader><controlfield tag="001">OLC1997867117</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20220216152739.0</controlfield><controlfield tag="007">tu</controlfield><controlfield tag="008">171125s2017 xx ||||| 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.2112/JCOASTRES-D-16-00031.1</subfield><subfield code="2">doi</subfield></datafield><datafield tag="028" ind1="5" ind2="2"><subfield code="a">PQ20171228</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)OLC1997867117</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)GBVOLC1997867117</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(PRQ)c2499-746d7ddd8a83aa9d1f5ee1427e1d7f469e22330dbcc017d42edc896e394fa9a80</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(KEY)0141275220170000033000400839effectoftropicalcyclonesonshorttermevolutionofcarb</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">550</subfield><subfield code="a">530</subfield><subfield code="q">DNB</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">BIODIV</subfield><subfield code="2">fid</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">38.48</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="100" ind1="0" ind2=" "><subfield code="a">Marie-Myriam Mahabot</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Effect of Tropical Cyclones on Short-Term Evolution of Carbonate Sandy Beaches on Reunion Island, Indian Ocean</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2017</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">ohne Hilfsmittel zu benutzen</subfield><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Band</subfield><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Carbonate sandy beaches in Reunion Island show various forms of evidence of erosion. Extreme waves associated with tropical cyclones (TCs) play a major role in beach dynamics. The present study analyzes and quantifies back-reef beach response and recovery from forcing generated by TCs Dumile, Felleng, and Bejisa, which occurred in 2013 and 2014. The study focuses on carbonate beaches of Reunion Island from Cap Champagne to the Passe de Trois-Bassins. Morphological and volumetric changes on beaches were analyzed by comparing 19 beach profiles. The results show that TCs are able to cause significant morphosedimentary change on the back-reef beaches of Reunion Island. These changes affect beach topography and involve longshore and cross-shore sediment transport. An alongshore variation in beach response is observed, which varies according to tropical storm intensity and coastal morphology. The intensity of impact seems to be related to reef width. The most severe erosion occurred at Boucan Canot, where reef is absent with a loss of —24 ± 2 m³ after TC Dumile, –38.7 ± 1.2 m³ after Felleng, and —42.5 ± 1.6 m³ after Bejisa. Elsewhere, the volumetric changes is less than 5 m³ under TC Dumile and vary between 2 and 11 m³ under TC Felleng and between 2 and 23 m³ under TC Bejisa. No significant impact occurred at La Saline where the reef flat is large and provides good protection for the beach; however, relative coastline orientation and prestorm beach-profile morphology also play an essential role in storm impact. Wave height and water level are also determinant factors of storm erosion potential. After storms, the beaches show a relative capacity for recovering because of calm conditions; however, different behaviours are observed along the same beach compartment. This suggests local influence of coastal structure and/or reef geomorphology in sediment transport processes.</subfield></datafield><datafield tag="540" ind1=" " ind2=" "><subfield code="a">Nutzungsrecht: © 2017 Coastal Education and Research Foundation, Inc. [CERF]</subfield></datafield><datafield tag="540" ind1=" " ind2=" "><subfield code="a">© Distributed under a Creative Commons Attribution 4.0 International License</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Reefs</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Tropical cyclones</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Coral reef ecology</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Ocean</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Analysis</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Carbonates</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Coastlines</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Cyclones</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield 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