Changing water levels and sandy barrier morphodynamics, eastern lake Ontario
Abstract Although sandy barriers are a key component of many Great Lakes coastal wetlands, little is known about their geomorphic development in response to water-level changes, despite widespread implications for hydrology and ecology. This paper addresses the morphodynamic development of the Sandy...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Mattheus, C. Robin [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2023 |
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| Anmerkung: |
© The Author(s), under exclusive licence to Springer Nature B.V. 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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| Übergeordnetes Werk: |
Enthalten in: Journal of coastal conservation - Dordrecht : Springer Netherlands, 1995, 27(2023), 5 vom: 21. Sept. |
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| Übergeordnetes Werk: |
volume:27 ; year:2023 ; number:5 ; day:21 ; month:09 |
| Links: |
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| DOI / URN: |
10.1007/s11852-023-00976-6 |
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| Katalog-ID: |
SPR053150449 |
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| 520 | |a Abstract Although sandy barriers are a key component of many Great Lakes coastal wetlands, little is known about their geomorphic development in response to water-level changes, despite widespread implications for hydrology and ecology. This paper addresses the morphodynamic development of the Sandy Pond barrier, eastern Lake Ontario, which underwent a sudden change in base-level regime with the onset of regulatory practices. The creation of new inlets with coeval closing of pre-existing ones, which had previously been coupled to shifts in base water level > 1 m, has not occurred since restriction of the natural lake-level oscillatory range. Barrier breaching is facilitated by decadal lake-level highs and inlet stability by entrenchment during lake-level fall and lowstand conditions. Water-level extremes have been absent since the 1970s, with stunting of the decadal oscillatory change signature (to < 1 m of variance) and a mean level above that of the pre-regulatory period. Rather than persistence of the cyclic dynamics of barrier-breaching and channel entrenchment (associated with abandonment elsewhere), the new conditions promoted lateral migration of the present channel and the formation of recurved beach ridges along the updrift inlet side. This morphology is not recognized in relict depositional architectures associated with former known inlet positions. While estuarine flushing capacity continues to be maintained (by constant inlet-channel dimensions), there are implications of this new geomorphic trajectory for barrier-landform succession and ecology. | ||
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10.1007/s11852-023-00976-6 doi (DE-627)SPR053150449 (SPR)s11852-023-00976-6-e DE-627 ger DE-627 rakwb eng Mattheus, C. Robin verfasserin aut Changing water levels and sandy barrier morphodynamics, eastern lake Ontario 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Nature B.V. 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Although sandy barriers are a key component of many Great Lakes coastal wetlands, little is known about their geomorphic development in response to water-level changes, despite widespread implications for hydrology and ecology. This paper addresses the morphodynamic development of the Sandy Pond barrier, eastern Lake Ontario, which underwent a sudden change in base-level regime with the onset of regulatory practices. The creation of new inlets with coeval closing of pre-existing ones, which had previously been coupled to shifts in base water level > 1 m, has not occurred since restriction of the natural lake-level oscillatory range. Barrier breaching is facilitated by decadal lake-level highs and inlet stability by entrenchment during lake-level fall and lowstand conditions. Water-level extremes have been absent since the 1970s, with stunting of the decadal oscillatory change signature (to < 1 m of variance) and a mean level above that of the pre-regulatory period. Rather than persistence of the cyclic dynamics of barrier-breaching and channel entrenchment (associated with abandonment elsewhere), the new conditions promoted lateral migration of the present channel and the formation of recurved beach ridges along the updrift inlet side. This morphology is not recognized in relict depositional architectures associated with former known inlet positions. While estuarine flushing capacity continues to be maintained (by constant inlet-channel dimensions), there are implications of this new geomorphic trajectory for barrier-landform succession and ecology. Coastal barrier (dpeaa)DE-He213 Overwash (dpeaa)DE-He213 Inlet channel (dpeaa)DE-He213 Lake-level change (dpeaa)DE-He213 Spit accretion (dpeaa)DE-He213 Enthalten in Journal of coastal conservation Dordrecht : Springer Netherlands, 1995 27(2023), 5 vom: 21. Sept. (DE-627)332338533 (DE-600)2053395-0 1874-7841 nnns volume:27 year:2023 number:5 day:21 month:09 https://dx.doi.org/10.1007/s11852-023-00976-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2939 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 AR 27 2023 5 21 09 |
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10.1007/s11852-023-00976-6 doi (DE-627)SPR053150449 (SPR)s11852-023-00976-6-e DE-627 ger DE-627 rakwb eng Mattheus, C. Robin verfasserin aut Changing water levels and sandy barrier morphodynamics, eastern lake Ontario 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Nature B.V. 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Although sandy barriers are a key component of many Great Lakes coastal wetlands, little is known about their geomorphic development in response to water-level changes, despite widespread implications for hydrology and ecology. This paper addresses the morphodynamic development of the Sandy Pond barrier, eastern Lake Ontario, which underwent a sudden change in base-level regime with the onset of regulatory practices. The creation of new inlets with coeval closing of pre-existing ones, which had previously been coupled to shifts in base water level > 1 m, has not occurred since restriction of the natural lake-level oscillatory range. Barrier breaching is facilitated by decadal lake-level highs and inlet stability by entrenchment during lake-level fall and lowstand conditions. Water-level extremes have been absent since the 1970s, with stunting of the decadal oscillatory change signature (to < 1 m of variance) and a mean level above that of the pre-regulatory period. Rather than persistence of the cyclic dynamics of barrier-breaching and channel entrenchment (associated with abandonment elsewhere), the new conditions promoted lateral migration of the present channel and the formation of recurved beach ridges along the updrift inlet side. This morphology is not recognized in relict depositional architectures associated with former known inlet positions. While estuarine flushing capacity continues to be maintained (by constant inlet-channel dimensions), there are implications of this new geomorphic trajectory for barrier-landform succession and ecology. Coastal barrier (dpeaa)DE-He213 Overwash (dpeaa)DE-He213 Inlet channel (dpeaa)DE-He213 Lake-level change (dpeaa)DE-He213 Spit accretion (dpeaa)DE-He213 Enthalten in Journal of coastal conservation Dordrecht : Springer Netherlands, 1995 27(2023), 5 vom: 21. Sept. (DE-627)332338533 (DE-600)2053395-0 1874-7841 nnns volume:27 year:2023 number:5 day:21 month:09 https://dx.doi.org/10.1007/s11852-023-00976-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2939 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 AR 27 2023 5 21 09 |
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10.1007/s11852-023-00976-6 doi (DE-627)SPR053150449 (SPR)s11852-023-00976-6-e DE-627 ger DE-627 rakwb eng Mattheus, C. Robin verfasserin aut Changing water levels and sandy barrier morphodynamics, eastern lake Ontario 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Nature B.V. 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Although sandy barriers are a key component of many Great Lakes coastal wetlands, little is known about their geomorphic development in response to water-level changes, despite widespread implications for hydrology and ecology. This paper addresses the morphodynamic development of the Sandy Pond barrier, eastern Lake Ontario, which underwent a sudden change in base-level regime with the onset of regulatory practices. The creation of new inlets with coeval closing of pre-existing ones, which had previously been coupled to shifts in base water level > 1 m, has not occurred since restriction of the natural lake-level oscillatory range. Barrier breaching is facilitated by decadal lake-level highs and inlet stability by entrenchment during lake-level fall and lowstand conditions. Water-level extremes have been absent since the 1970s, with stunting of the decadal oscillatory change signature (to < 1 m of variance) and a mean level above that of the pre-regulatory period. Rather than persistence of the cyclic dynamics of barrier-breaching and channel entrenchment (associated with abandonment elsewhere), the new conditions promoted lateral migration of the present channel and the formation of recurved beach ridges along the updrift inlet side. This morphology is not recognized in relict depositional architectures associated with former known inlet positions. While estuarine flushing capacity continues to be maintained (by constant inlet-channel dimensions), there are implications of this new geomorphic trajectory for barrier-landform succession and ecology. Coastal barrier (dpeaa)DE-He213 Overwash (dpeaa)DE-He213 Inlet channel (dpeaa)DE-He213 Lake-level change (dpeaa)DE-He213 Spit accretion (dpeaa)DE-He213 Enthalten in Journal of coastal conservation Dordrecht : Springer Netherlands, 1995 27(2023), 5 vom: 21. Sept. (DE-627)332338533 (DE-600)2053395-0 1874-7841 nnns volume:27 year:2023 number:5 day:21 month:09 https://dx.doi.org/10.1007/s11852-023-00976-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2939 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 AR 27 2023 5 21 09 |
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10.1007/s11852-023-00976-6 doi (DE-627)SPR053150449 (SPR)s11852-023-00976-6-e DE-627 ger DE-627 rakwb eng Mattheus, C. Robin verfasserin aut Changing water levels and sandy barrier morphodynamics, eastern lake Ontario 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Nature B.V. 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Although sandy barriers are a key component of many Great Lakes coastal wetlands, little is known about their geomorphic development in response to water-level changes, despite widespread implications for hydrology and ecology. This paper addresses the morphodynamic development of the Sandy Pond barrier, eastern Lake Ontario, which underwent a sudden change in base-level regime with the onset of regulatory practices. The creation of new inlets with coeval closing of pre-existing ones, which had previously been coupled to shifts in base water level > 1 m, has not occurred since restriction of the natural lake-level oscillatory range. Barrier breaching is facilitated by decadal lake-level highs and inlet stability by entrenchment during lake-level fall and lowstand conditions. Water-level extremes have been absent since the 1970s, with stunting of the decadal oscillatory change signature (to < 1 m of variance) and a mean level above that of the pre-regulatory period. Rather than persistence of the cyclic dynamics of barrier-breaching and channel entrenchment (associated with abandonment elsewhere), the new conditions promoted lateral migration of the present channel and the formation of recurved beach ridges along the updrift inlet side. This morphology is not recognized in relict depositional architectures associated with former known inlet positions. While estuarine flushing capacity continues to be maintained (by constant inlet-channel dimensions), there are implications of this new geomorphic trajectory for barrier-landform succession and ecology. Coastal barrier (dpeaa)DE-He213 Overwash (dpeaa)DE-He213 Inlet channel (dpeaa)DE-He213 Lake-level change (dpeaa)DE-He213 Spit accretion (dpeaa)DE-He213 Enthalten in Journal of coastal conservation Dordrecht : Springer Netherlands, 1995 27(2023), 5 vom: 21. Sept. (DE-627)332338533 (DE-600)2053395-0 1874-7841 nnns volume:27 year:2023 number:5 day:21 month:09 https://dx.doi.org/10.1007/s11852-023-00976-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2939 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 AR 27 2023 5 21 09 |
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10.1007/s11852-023-00976-6 doi (DE-627)SPR053150449 (SPR)s11852-023-00976-6-e DE-627 ger DE-627 rakwb eng Mattheus, C. Robin verfasserin aut Changing water levels and sandy barrier morphodynamics, eastern lake Ontario 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Nature B.V. 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Although sandy barriers are a key component of many Great Lakes coastal wetlands, little is known about their geomorphic development in response to water-level changes, despite widespread implications for hydrology and ecology. This paper addresses the morphodynamic development of the Sandy Pond barrier, eastern Lake Ontario, which underwent a sudden change in base-level regime with the onset of regulatory practices. The creation of new inlets with coeval closing of pre-existing ones, which had previously been coupled to shifts in base water level > 1 m, has not occurred since restriction of the natural lake-level oscillatory range. Barrier breaching is facilitated by decadal lake-level highs and inlet stability by entrenchment during lake-level fall and lowstand conditions. Water-level extremes have been absent since the 1970s, with stunting of the decadal oscillatory change signature (to < 1 m of variance) and a mean level above that of the pre-regulatory period. Rather than persistence of the cyclic dynamics of barrier-breaching and channel entrenchment (associated with abandonment elsewhere), the new conditions promoted lateral migration of the present channel and the formation of recurved beach ridges along the updrift inlet side. This morphology is not recognized in relict depositional architectures associated with former known inlet positions. While estuarine flushing capacity continues to be maintained (by constant inlet-channel dimensions), there are implications of this new geomorphic trajectory for barrier-landform succession and ecology. Coastal barrier (dpeaa)DE-He213 Overwash (dpeaa)DE-He213 Inlet channel (dpeaa)DE-He213 Lake-level change (dpeaa)DE-He213 Spit accretion (dpeaa)DE-He213 Enthalten in Journal of coastal conservation Dordrecht : Springer Netherlands, 1995 27(2023), 5 vom: 21. Sept. (DE-627)332338533 (DE-600)2053395-0 1874-7841 nnns volume:27 year:2023 number:5 day:21 month:09 https://dx.doi.org/10.1007/s11852-023-00976-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2939 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 AR 27 2023 5 21 09 |
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changing water levels and sandy barrier morphodynamics, eastern lake ontario |
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Changing water levels and sandy barrier morphodynamics, eastern lake Ontario |
| abstract |
Abstract Although sandy barriers are a key component of many Great Lakes coastal wetlands, little is known about their geomorphic development in response to water-level changes, despite widespread implications for hydrology and ecology. This paper addresses the morphodynamic development of the Sandy Pond barrier, eastern Lake Ontario, which underwent a sudden change in base-level regime with the onset of regulatory practices. The creation of new inlets with coeval closing of pre-existing ones, which had previously been coupled to shifts in base water level > 1 m, has not occurred since restriction of the natural lake-level oscillatory range. Barrier breaching is facilitated by decadal lake-level highs and inlet stability by entrenchment during lake-level fall and lowstand conditions. Water-level extremes have been absent since the 1970s, with stunting of the decadal oscillatory change signature (to < 1 m of variance) and a mean level above that of the pre-regulatory period. Rather than persistence of the cyclic dynamics of barrier-breaching and channel entrenchment (associated with abandonment elsewhere), the new conditions promoted lateral migration of the present channel and the formation of recurved beach ridges along the updrift inlet side. This morphology is not recognized in relict depositional architectures associated with former known inlet positions. While estuarine flushing capacity continues to be maintained (by constant inlet-channel dimensions), there are implications of this new geomorphic trajectory for barrier-landform succession and ecology. © The Author(s), under exclusive licence to Springer Nature B.V. 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
| abstractGer |
Abstract Although sandy barriers are a key component of many Great Lakes coastal wetlands, little is known about their geomorphic development in response to water-level changes, despite widespread implications for hydrology and ecology. This paper addresses the morphodynamic development of the Sandy Pond barrier, eastern Lake Ontario, which underwent a sudden change in base-level regime with the onset of regulatory practices. The creation of new inlets with coeval closing of pre-existing ones, which had previously been coupled to shifts in base water level > 1 m, has not occurred since restriction of the natural lake-level oscillatory range. Barrier breaching is facilitated by decadal lake-level highs and inlet stability by entrenchment during lake-level fall and lowstand conditions. Water-level extremes have been absent since the 1970s, with stunting of the decadal oscillatory change signature (to < 1 m of variance) and a mean level above that of the pre-regulatory period. Rather than persistence of the cyclic dynamics of barrier-breaching and channel entrenchment (associated with abandonment elsewhere), the new conditions promoted lateral migration of the present channel and the formation of recurved beach ridges along the updrift inlet side. This morphology is not recognized in relict depositional architectures associated with former known inlet positions. While estuarine flushing capacity continues to be maintained (by constant inlet-channel dimensions), there are implications of this new geomorphic trajectory for barrier-landform succession and ecology. © The Author(s), under exclusive licence to Springer Nature B.V. 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
| abstract_unstemmed |
Abstract Although sandy barriers are a key component of many Great Lakes coastal wetlands, little is known about their geomorphic development in response to water-level changes, despite widespread implications for hydrology and ecology. This paper addresses the morphodynamic development of the Sandy Pond barrier, eastern Lake Ontario, which underwent a sudden change in base-level regime with the onset of regulatory practices. The creation of new inlets with coeval closing of pre-existing ones, which had previously been coupled to shifts in base water level > 1 m, has not occurred since restriction of the natural lake-level oscillatory range. Barrier breaching is facilitated by decadal lake-level highs and inlet stability by entrenchment during lake-level fall and lowstand conditions. Water-level extremes have been absent since the 1970s, with stunting of the decadal oscillatory change signature (to < 1 m of variance) and a mean level above that of the pre-regulatory period. Rather than persistence of the cyclic dynamics of barrier-breaching and channel entrenchment (associated with abandonment elsewhere), the new conditions promoted lateral migration of the present channel and the formation of recurved beach ridges along the updrift inlet side. This morphology is not recognized in relict depositional architectures associated with former known inlet positions. While estuarine flushing capacity continues to be maintained (by constant inlet-channel dimensions), there are implications of this new geomorphic trajectory for barrier-landform succession and ecology. © The Author(s), under exclusive licence to Springer Nature B.V. 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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| title_short |
Changing water levels and sandy barrier morphodynamics, eastern lake Ontario |
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https://dx.doi.org/10.1007/s11852-023-00976-6 |
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10.1007/s11852-023-00976-6 |
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| score |
7.401268 |