Last interglacial sea level in the western Indian Ocean: multifaceted approach to paleo relative sea level indicator interpretation and analysis
The global population living within low lying coastal zones face significant challenges in the coming century as sea levels rise. Unfortunately, the acceleration and magnitude of the rise is still a subject of debate, leaving coastal communities often paralyzed in the decision whether to mitigate or...
Ausführliche Beschreibung
Autor*in: |
Boyden, Patrick [verfasserIn] Rovere, Alessio [akademischer betreuerIn] Barlow, Natasha [akademischer betreuerIn] |
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Körperschaften: |
Universität Bremen [Grad-verleihende Institution] |
Hochschulschrift: |
Dissertation ; Universität Bremen ; 2022 |
Format: |
E-Book |
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Sprache: |
Englisch |
Erschienen: |
Bremen: 2022 |
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Schlagwörter: | |
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Formangabe: |
Hochschulschrift |
Umfang: |
1 Online-Ressource (xxi, 130 Seiten) ; Illustrationen |
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Weitere Ausgabe: |
Erscheint auch als Druck-Ausgabe Boyden, Patrick: Last interglacial sea level in the western Indian Ocean: multifaceted approach to paleo relative sea level indicator interpretation and analysis - Bremen, 2022 |
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Links: |
Link aufrufen |
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DOI / URN: |
urn:nbn:de:gbv:46-elib59495 10.26092/elib/1554 |
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Katalog-ID: |
1806136775 |
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520 | |a The global population living within low lying coastal zones face significant challenges in the coming century as sea levels rise. Unfortunately, the acceleration and magnitude of the rise is still a subject of debate, leaving coastal communities often paralyzed in the decision whether to mitigate or abandon. In order to better elucidate future sea-level rise, process analogues from the geological record are used to constrain model predictions. The Last Interglacial (LIG, ca. 128–116 ka), represents the most recent period when Earth’s climate was warmer and sea levels were higher than today. Such insights are derived from the global accumulation of geological sea-level proxies, called paleo relative sea level (PRSL) indicators that are comprised of accurate chronological and elevation constraints as well as considerations for post-depositional processes. However, the spatial and temporal coverage of PRSL indicators is uneven, especially within Eastern Africa and the Western Indian Ocean (EAWIO). In order to establish the current understanding of LIG sea-level in the EAWIO, this dissertation compiles a sea-level database using published LIG geological sea-level proxies. The EAWIO comprises of extensive tropical coastlines and coralline islands with many occurrences of well preserved LIG sequences. These LIG sequences vary in form from islands entirely composed of Pleistocene reefs (i.e., Aldabra, the Seychelles) to uplifted marine terraces in the north of Somalia to Marine Isotope Stage (MIS) 5 tidal notches in Mozambique. This effort uses theWALIS interface and contains 58 sea-level indicators and 2 terrestrial limiting data points. Studies within this database stretch from the 1960s until present, with varying degrees of PRSL precision. Taking this into account, this dissertation explores the advantages of applying modern chronological constraints and advanced surveying techniques to a classic Pleistocene site along the southwestern shores of Madagascar. Here, new investigative techniques provide an updated late Pleistocene geomorphological understanding of southwestern Madagascar. Through the use of Structure from Motion / Multi-View Stereo in combination with differential Global Navigation Satellite System surveys, 3D outcrop reconstructions of sequential geomorphologcial zones and their intrinsic facies are presented. This sequence is chronologically constrained using U-series ages from both in situ and reworked coral samples. From this chronologically sequence, the LIG in Lembetabe was initiated by the deposition of a fringing reef that reaches approximately 2 m above mean sea level. This fringing reef environment persisted throughout the LIG, before a combination of slow regression and changes in the sedimentation regime covered the fringing reef with intertidal and beach sediment. A final close-out of the system occurred as sea level fell further and dune fields began to migrate offshore before. This interpretation of the Lembetabe LIG sequence is then examined through the use of Forward Stratigraphic Models (FSMs). Currently, FSMs are commonly deployed within large-scale basinwide characterizations for industry. By scaling-down the FSM DIONISOS, a suite of synthetic Quaternary subtropical fringing reefs in southwestern Madagascar are produced. Through this approach, each reef is subjected to a distinct Greenland Ice-Sheet (GrIS) and Antarctica Ice-Sheet (AIS) melt scenarios produced by a coupled ANICE-SELEN glacial isostatic adjustment (GIA) model. These scenarios match LIG sea-level curves previously hypothesized within the Indo-Pacific Basin. The resulting collection of synthetic reef sequences so dramatic shifts in both sedimentation and preservation regimes along the Lembetabe coast. By establishing a broad compilation of PRSL indicators at a basin scale, the reexamination of a previously described PRSL indicator, and finally the evaluation of outcrop interpretation, this dissertation provides a new PRSL benchmark for the EAWIO and a new workflow for the evaluation of PRSL indicators along carbonate coasts. | ||
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urn:nbn:de:gbv:46-elib59495 urn 10.26092/elib/1554 doi (DE-627)1806136775 (DE-599)KXP1806136775 (OCoLC)1325711178 DE-627 ger DE-627 rda eng XA-DE-HB 551.45 DE-101 550 DE-101 Boyden, Patrick verfasserin (orcid)0000-0002-2757-7761 aut Last interglacial sea level in the western Indian Ocean: multifaceted approach to paleo relative sea level indicator interpretation and analysis Patrick Boyden Bremen [2022] 1 Online-Ressource (xxi, 130 Seiten) Illustrationen Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Dissertation Universität Bremen 2022 The global population living within low lying coastal zones face significant challenges in the coming century as sea levels rise. Unfortunately, the acceleration and magnitude of the rise is still a subject of debate, leaving coastal communities often paralyzed in the decision whether to mitigate or abandon. In order to better elucidate future sea-level rise, process analogues from the geological record are used to constrain model predictions. The Last Interglacial (LIG, ca. 128–116 ka), represents the most recent period when Earth’s climate was warmer and sea levels were higher than today. Such insights are derived from the global accumulation of geological sea-level proxies, called paleo relative sea level (PRSL) indicators that are comprised of accurate chronological and elevation constraints as well as considerations for post-depositional processes. However, the spatial and temporal coverage of PRSL indicators is uneven, especially within Eastern Africa and the Western Indian Ocean (EAWIO). In order to establish the current understanding of LIG sea-level in the EAWIO, this dissertation compiles a sea-level database using published LIG geological sea-level proxies. The EAWIO comprises of extensive tropical coastlines and coralline islands with many occurrences of well preserved LIG sequences. These LIG sequences vary in form from islands entirely composed of Pleistocene reefs (i.e., Aldabra, the Seychelles) to uplifted marine terraces in the north of Somalia to Marine Isotope Stage (MIS) 5 tidal notches in Mozambique. This effort uses theWALIS interface and contains 58 sea-level indicators and 2 terrestrial limiting data points. Studies within this database stretch from the 1960s until present, with varying degrees of PRSL precision. Taking this into account, this dissertation explores the advantages of applying modern chronological constraints and advanced surveying techniques to a classic Pleistocene site along the southwestern shores of Madagascar. Here, new investigative techniques provide an updated late Pleistocene geomorphological understanding of southwestern Madagascar. Through the use of Structure from Motion / Multi-View Stereo in combination with differential Global Navigation Satellite System surveys, 3D outcrop reconstructions of sequential geomorphologcial zones and their intrinsic facies are presented. This sequence is chronologically constrained using U-series ages from both in situ and reworked coral samples. From this chronologically sequence, the LIG in Lembetabe was initiated by the deposition of a fringing reef that reaches approximately 2 m above mean sea level. This fringing reef environment persisted throughout the LIG, before a combination of slow regression and changes in the sedimentation regime covered the fringing reef with intertidal and beach sediment. A final close-out of the system occurred as sea level fell further and dune fields began to migrate offshore before. This interpretation of the Lembetabe LIG sequence is then examined through the use of Forward Stratigraphic Models (FSMs). Currently, FSMs are commonly deployed within large-scale basinwide characterizations for industry. By scaling-down the FSM DIONISOS, a suite of synthetic Quaternary subtropical fringing reefs in southwestern Madagascar are produced. Through this approach, each reef is subjected to a distinct Greenland Ice-Sheet (GrIS) and Antarctica Ice-Sheet (AIS) melt scenarios produced by a coupled ANICE-SELEN glacial isostatic adjustment (GIA) model. These scenarios match LIG sea-level curves previously hypothesized within the Indo-Pacific Basin. The resulting collection of synthetic reef sequences so dramatic shifts in both sedimentation and preservation regimes along the Lembetabe coast. By establishing a broad compilation of PRSL indicators at a basin scale, the reexamination of a previously described PRSL indicator, and finally the evaluation of outcrop interpretation, this dissertation provides a new PRSL benchmark for the EAWIO and a new workflow for the evaluation of PRSL indicators along carbonate coasts. 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spelling |
urn:nbn:de:gbv:46-elib59495 urn 10.26092/elib/1554 doi (DE-627)1806136775 (DE-599)KXP1806136775 (OCoLC)1325711178 DE-627 ger DE-627 rda eng XA-DE-HB 551.45 DE-101 550 DE-101 Boyden, Patrick verfasserin (orcid)0000-0002-2757-7761 aut Last interglacial sea level in the western Indian Ocean: multifaceted approach to paleo relative sea level indicator interpretation and analysis Patrick Boyden Bremen [2022] 1 Online-Ressource (xxi, 130 Seiten) Illustrationen Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Dissertation Universität Bremen 2022 The global population living within low lying coastal zones face significant challenges in the coming century as sea levels rise. Unfortunately, the acceleration and magnitude of the rise is still a subject of debate, leaving coastal communities often paralyzed in the decision whether to mitigate or abandon. In order to better elucidate future sea-level rise, process analogues from the geological record are used to constrain model predictions. The Last Interglacial (LIG, ca. 128–116 ka), represents the most recent period when Earth’s climate was warmer and sea levels were higher than today. Such insights are derived from the global accumulation of geological sea-level proxies, called paleo relative sea level (PRSL) indicators that are comprised of accurate chronological and elevation constraints as well as considerations for post-depositional processes. However, the spatial and temporal coverage of PRSL indicators is uneven, especially within Eastern Africa and the Western Indian Ocean (EAWIO). In order to establish the current understanding of LIG sea-level in the EAWIO, this dissertation compiles a sea-level database using published LIG geological sea-level proxies. The EAWIO comprises of extensive tropical coastlines and coralline islands with many occurrences of well preserved LIG sequences. These LIG sequences vary in form from islands entirely composed of Pleistocene reefs (i.e., Aldabra, the Seychelles) to uplifted marine terraces in the north of Somalia to Marine Isotope Stage (MIS) 5 tidal notches in Mozambique. This effort uses theWALIS interface and contains 58 sea-level indicators and 2 terrestrial limiting data points. Studies within this database stretch from the 1960s until present, with varying degrees of PRSL precision. Taking this into account, this dissertation explores the advantages of applying modern chronological constraints and advanced surveying techniques to a classic Pleistocene site along the southwestern shores of Madagascar. Here, new investigative techniques provide an updated late Pleistocene geomorphological understanding of southwestern Madagascar. Through the use of Structure from Motion / Multi-View Stereo in combination with differential Global Navigation Satellite System surveys, 3D outcrop reconstructions of sequential geomorphologcial zones and their intrinsic facies are presented. This sequence is chronologically constrained using U-series ages from both in situ and reworked coral samples. From this chronologically sequence, the LIG in Lembetabe was initiated by the deposition of a fringing reef that reaches approximately 2 m above mean sea level. This fringing reef environment persisted throughout the LIG, before a combination of slow regression and changes in the sedimentation regime covered the fringing reef with intertidal and beach sediment. A final close-out of the system occurred as sea level fell further and dune fields began to migrate offshore before. This interpretation of the Lembetabe LIG sequence is then examined through the use of Forward Stratigraphic Models (FSMs). Currently, FSMs are commonly deployed within large-scale basinwide characterizations for industry. By scaling-down the FSM DIONISOS, a suite of synthetic Quaternary subtropical fringing reefs in southwestern Madagascar are produced. Through this approach, each reef is subjected to a distinct Greenland Ice-Sheet (GrIS) and Antarctica Ice-Sheet (AIS) melt scenarios produced by a coupled ANICE-SELEN glacial isostatic adjustment (GIA) model. These scenarios match LIG sea-level curves previously hypothesized within the Indo-Pacific Basin. The resulting collection of synthetic reef sequences so dramatic shifts in both sedimentation and preservation regimes along the Lembetabe coast. By establishing a broad compilation of PRSL indicators at a basin scale, the reexamination of a previously described PRSL indicator, and finally the evaluation of outcrop interpretation, this dissertation provides a new PRSL benchmark for the EAWIO and a new workflow for the evaluation of PRSL indicators along carbonate coasts. Archivierung/Langzeitarchivierung gewährleistet PEHB XA-DE-HB pdager DE-46 sea level MIS 5e geomorphology Madagascar Last Interglacial Forward Stratigraphic Model Hochschulschrift (DE-588)4113937-9 (DE-627)105825778 (DE-576)209480580 gnd-content Rovere, Alessio akademischer betreuerin dgs Barlow, Natasha akademischer betreuerin dgs Universität Bremen Grad-verleihende Institution (DE-588)2001386-3 (DE-627)101380429 (DE-576)191575038 dgg Bremen (DE-588)4008135-7 (DE-627)106369636 (DE-576)208874569 uvp Erscheint auch als Druck-Ausgabe Boyden, Patrick Last interglacial sea level in the western Indian Ocean: multifaceted approach to paleo relative sea level indicator interpretation and analysis Bremen, 2022 xxi, 130 Seiten (DE-627)1806136872 https://doi.org/10.26092/elib/1554 Resolving-System kostenfrei https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 Resolving-System kostenfrei https://d-nb.info/1338949128/34 Langzeitarchivierung Nationalbibliothek kostenfrei https://media.suub.uni-bremen.de/handle/elib/5949 Verlag kostenfrei GBV-ODiss GBV_ILN_20 ISIL_DE-84 SYSFLAG_1 GBV_KXP GBV_ILN_21 ISIL_DE-46 GBV_ILN_22 ISIL_DE-18 GBV_ILN_23 ISIL_DE-830 GBV_ILN_30 ISIL_DE-104 GBV_ILN_40 ISIL_DE-7 GBV_ILN_60 ISIL_DE-705 GBV_ILN_63 ISIL_DE-Wim2 GBV_ILN_70 ISIL_DE-89 GBV_ILN_105 ISIL_DE-841 GBV_ILN_110 ISIL_DE-Luen4 GBV_ILN_132 ISIL_DE-959 GBV_ILN_151 ISIL_DE-546 GBV_ILN_161 ISIL_DE-960 GBV_ILN_293 ISIL_DE-960-3 GBV_ILN_370 ISIL_DE-1373 GBV_ILN_2403 ISIL_DE-LFER DSpace BO 20 01 0084 4593077761 x 12-10-24 21 01 0046 4143882426 ebook_2022_dissbremen Kostenloser Zugriff zza 07-06-22 22 01 0018 4593180503 SUBolrd xu 12-10-24 23 01 0830 4593229499 olr-d x 12-10-24 30 01 0104 4593276489 z 12-10-24 40 01 0007 4593310091 xsn 12-10-24 60 01 0705 4593368065 OLRD z 12-10-24 63 01 3401 4593423538 ORD x 12-10-24 70 01 0089 4593475058 z 12-10-24 105 01 0841 4593866448 z 12-10-24 110 01 3110 4593578639 x 12-10-24 132 01 0959 4593622360 OLR-DISS x 12-10-24 151 01 0546 4593665280 OLR-ODISS z 12-10-24 161 01 0960 4593688361 ORD z 12-10-24 293 01 3293 4593816319 ORD z 12-10-24 370 01 4370 4593853842 x 12-10-24 2403 01 DE-LFER 4186572437 00 --%%-- --%%-- n --%%-- l01 11-09-22 20 01 0084 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 21 01 0046 https://doi.org/10.26092/elib/1554 LF 22 01 0018 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 23 01 0830 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 30 01 0104 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 40 01 0007 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 60 01 0705 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 63 01 3401 E-Book https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 LF 70 01 0089 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 105 01 0841 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 110 01 3110 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 132 01 0959 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 151 01 0546 Volltext https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 161 01 0960 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 293 01 3293 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 370 01 4370 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 2403 01 DE-LFER https://doi.org/10.26092/elib/1554 21 00 DE-46 00 Universität Bremen 60 01 0705 10 ho 20 01 0084 OLRD 110 01 3110 OLRD 370 01 4370 OLRD 21 01 0046 ebook_2022_dissbremen 22 01 0018 SUBolrd 23 01 0830 olr-d 60 01 0705 OLRD 63 01 3401 ORD 132 01 0959 OLR-DISS 151 01 0546 OLR-ODISS 161 01 0960 ORD 293 01 3293 ORD 23 01 0830 2024-10-12 10:31:16 |
allfields_unstemmed |
urn:nbn:de:gbv:46-elib59495 urn 10.26092/elib/1554 doi (DE-627)1806136775 (DE-599)KXP1806136775 (OCoLC)1325711178 DE-627 ger DE-627 rda eng XA-DE-HB 551.45 DE-101 550 DE-101 Boyden, Patrick verfasserin (orcid)0000-0002-2757-7761 aut Last interglacial sea level in the western Indian Ocean: multifaceted approach to paleo relative sea level indicator interpretation and analysis Patrick Boyden Bremen [2022] 1 Online-Ressource (xxi, 130 Seiten) Illustrationen Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Dissertation Universität Bremen 2022 The global population living within low lying coastal zones face significant challenges in the coming century as sea levels rise. Unfortunately, the acceleration and magnitude of the rise is still a subject of debate, leaving coastal communities often paralyzed in the decision whether to mitigate or abandon. In order to better elucidate future sea-level rise, process analogues from the geological record are used to constrain model predictions. The Last Interglacial (LIG, ca. 128–116 ka), represents the most recent period when Earth’s climate was warmer and sea levels were higher than today. Such insights are derived from the global accumulation of geological sea-level proxies, called paleo relative sea level (PRSL) indicators that are comprised of accurate chronological and elevation constraints as well as considerations for post-depositional processes. However, the spatial and temporal coverage of PRSL indicators is uneven, especially within Eastern Africa and the Western Indian Ocean (EAWIO). In order to establish the current understanding of LIG sea-level in the EAWIO, this dissertation compiles a sea-level database using published LIG geological sea-level proxies. The EAWIO comprises of extensive tropical coastlines and coralline islands with many occurrences of well preserved LIG sequences. These LIG sequences vary in form from islands entirely composed of Pleistocene reefs (i.e., Aldabra, the Seychelles) to uplifted marine terraces in the north of Somalia to Marine Isotope Stage (MIS) 5 tidal notches in Mozambique. This effort uses theWALIS interface and contains 58 sea-level indicators and 2 terrestrial limiting data points. Studies within this database stretch from the 1960s until present, with varying degrees of PRSL precision. Taking this into account, this dissertation explores the advantages of applying modern chronological constraints and advanced surveying techniques to a classic Pleistocene site along the southwestern shores of Madagascar. Here, new investigative techniques provide an updated late Pleistocene geomorphological understanding of southwestern Madagascar. Through the use of Structure from Motion / Multi-View Stereo in combination with differential Global Navigation Satellite System surveys, 3D outcrop reconstructions of sequential geomorphologcial zones and their intrinsic facies are presented. This sequence is chronologically constrained using U-series ages from both in situ and reworked coral samples. From this chronologically sequence, the LIG in Lembetabe was initiated by the deposition of a fringing reef that reaches approximately 2 m above mean sea level. This fringing reef environment persisted throughout the LIG, before a combination of slow regression and changes in the sedimentation regime covered the fringing reef with intertidal and beach sediment. A final close-out of the system occurred as sea level fell further and dune fields began to migrate offshore before. This interpretation of the Lembetabe LIG sequence is then examined through the use of Forward Stratigraphic Models (FSMs). Currently, FSMs are commonly deployed within large-scale basinwide characterizations for industry. By scaling-down the FSM DIONISOS, a suite of synthetic Quaternary subtropical fringing reefs in southwestern Madagascar are produced. Through this approach, each reef is subjected to a distinct Greenland Ice-Sheet (GrIS) and Antarctica Ice-Sheet (AIS) melt scenarios produced by a coupled ANICE-SELEN glacial isostatic adjustment (GIA) model. These scenarios match LIG sea-level curves previously hypothesized within the Indo-Pacific Basin. The resulting collection of synthetic reef sequences so dramatic shifts in both sedimentation and preservation regimes along the Lembetabe coast. By establishing a broad compilation of PRSL indicators at a basin scale, the reexamination of a previously described PRSL indicator, and finally the evaluation of outcrop interpretation, this dissertation provides a new PRSL benchmark for the EAWIO and a new workflow for the evaluation of PRSL indicators along carbonate coasts. Archivierung/Langzeitarchivierung gewährleistet PEHB XA-DE-HB pdager DE-46 sea level MIS 5e geomorphology Madagascar Last Interglacial Forward Stratigraphic Model Hochschulschrift (DE-588)4113937-9 (DE-627)105825778 (DE-576)209480580 gnd-content Rovere, Alessio akademischer betreuerin dgs Barlow, Natasha akademischer betreuerin dgs Universität Bremen Grad-verleihende Institution (DE-588)2001386-3 (DE-627)101380429 (DE-576)191575038 dgg Bremen (DE-588)4008135-7 (DE-627)106369636 (DE-576)208874569 uvp Erscheint auch als Druck-Ausgabe Boyden, Patrick Last interglacial sea level in the western Indian Ocean: multifaceted approach to paleo relative sea level indicator interpretation and analysis Bremen, 2022 xxi, 130 Seiten (DE-627)1806136872 https://doi.org/10.26092/elib/1554 Resolving-System kostenfrei https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 Resolving-System kostenfrei https://d-nb.info/1338949128/34 Langzeitarchivierung Nationalbibliothek kostenfrei https://media.suub.uni-bremen.de/handle/elib/5949 Verlag kostenfrei GBV-ODiss GBV_ILN_20 ISIL_DE-84 SYSFLAG_1 GBV_KXP GBV_ILN_21 ISIL_DE-46 GBV_ILN_22 ISIL_DE-18 GBV_ILN_23 ISIL_DE-830 GBV_ILN_30 ISIL_DE-104 GBV_ILN_40 ISIL_DE-7 GBV_ILN_60 ISIL_DE-705 GBV_ILN_63 ISIL_DE-Wim2 GBV_ILN_70 ISIL_DE-89 GBV_ILN_105 ISIL_DE-841 GBV_ILN_110 ISIL_DE-Luen4 GBV_ILN_132 ISIL_DE-959 GBV_ILN_151 ISIL_DE-546 GBV_ILN_161 ISIL_DE-960 GBV_ILN_293 ISIL_DE-960-3 GBV_ILN_370 ISIL_DE-1373 GBV_ILN_2403 ISIL_DE-LFER DSpace BO 20 01 0084 4593077761 x 12-10-24 21 01 0046 4143882426 ebook_2022_dissbremen Kostenloser Zugriff zza 07-06-22 22 01 0018 4593180503 SUBolrd xu 12-10-24 23 01 0830 4593229499 olr-d x 12-10-24 30 01 0104 4593276489 z 12-10-24 40 01 0007 4593310091 xsn 12-10-24 60 01 0705 4593368065 OLRD z 12-10-24 63 01 3401 4593423538 ORD x 12-10-24 70 01 0089 4593475058 z 12-10-24 105 01 0841 4593866448 z 12-10-24 110 01 3110 4593578639 x 12-10-24 132 01 0959 4593622360 OLR-DISS x 12-10-24 151 01 0546 4593665280 OLR-ODISS z 12-10-24 161 01 0960 4593688361 ORD z 12-10-24 293 01 3293 4593816319 ORD z 12-10-24 370 01 4370 4593853842 x 12-10-24 2403 01 DE-LFER 4186572437 00 --%%-- --%%-- n --%%-- l01 11-09-22 20 01 0084 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 21 01 0046 https://doi.org/10.26092/elib/1554 LF 22 01 0018 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 23 01 0830 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 30 01 0104 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 40 01 0007 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 60 01 0705 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 63 01 3401 E-Book https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 LF 70 01 0089 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 105 01 0841 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 110 01 3110 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 132 01 0959 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 151 01 0546 Volltext https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 161 01 0960 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 293 01 3293 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 370 01 4370 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 2403 01 DE-LFER https://doi.org/10.26092/elib/1554 21 00 DE-46 00 Universität Bremen 60 01 0705 10 ho 20 01 0084 OLRD 110 01 3110 OLRD 370 01 4370 OLRD 21 01 0046 ebook_2022_dissbremen 22 01 0018 SUBolrd 23 01 0830 olr-d 60 01 0705 OLRD 63 01 3401 ORD 132 01 0959 OLR-DISS 151 01 0546 OLR-ODISS 161 01 0960 ORD 293 01 3293 ORD 23 01 0830 2024-10-12 10:31:16 |
allfieldsGer |
urn:nbn:de:gbv:46-elib59495 urn 10.26092/elib/1554 doi (DE-627)1806136775 (DE-599)KXP1806136775 (OCoLC)1325711178 DE-627 ger DE-627 rda eng XA-DE-HB 551.45 DE-101 550 DE-101 Boyden, Patrick verfasserin (orcid)0000-0002-2757-7761 aut Last interglacial sea level in the western Indian Ocean: multifaceted approach to paleo relative sea level indicator interpretation and analysis Patrick Boyden Bremen [2022] 1 Online-Ressource (xxi, 130 Seiten) Illustrationen Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Dissertation Universität Bremen 2022 The global population living within low lying coastal zones face significant challenges in the coming century as sea levels rise. Unfortunately, the acceleration and magnitude of the rise is still a subject of debate, leaving coastal communities often paralyzed in the decision whether to mitigate or abandon. In order to better elucidate future sea-level rise, process analogues from the geological record are used to constrain model predictions. The Last Interglacial (LIG, ca. 128–116 ka), represents the most recent period when Earth’s climate was warmer and sea levels were higher than today. Such insights are derived from the global accumulation of geological sea-level proxies, called paleo relative sea level (PRSL) indicators that are comprised of accurate chronological and elevation constraints as well as considerations for post-depositional processes. However, the spatial and temporal coverage of PRSL indicators is uneven, especially within Eastern Africa and the Western Indian Ocean (EAWIO). In order to establish the current understanding of LIG sea-level in the EAWIO, this dissertation compiles a sea-level database using published LIG geological sea-level proxies. The EAWIO comprises of extensive tropical coastlines and coralline islands with many occurrences of well preserved LIG sequences. These LIG sequences vary in form from islands entirely composed of Pleistocene reefs (i.e., Aldabra, the Seychelles) to uplifted marine terraces in the north of Somalia to Marine Isotope Stage (MIS) 5 tidal notches in Mozambique. This effort uses theWALIS interface and contains 58 sea-level indicators and 2 terrestrial limiting data points. Studies within this database stretch from the 1960s until present, with varying degrees of PRSL precision. Taking this into account, this dissertation explores the advantages of applying modern chronological constraints and advanced surveying techniques to a classic Pleistocene site along the southwestern shores of Madagascar. Here, new investigative techniques provide an updated late Pleistocene geomorphological understanding of southwestern Madagascar. Through the use of Structure from Motion / Multi-View Stereo in combination with differential Global Navigation Satellite System surveys, 3D outcrop reconstructions of sequential geomorphologcial zones and their intrinsic facies are presented. This sequence is chronologically constrained using U-series ages from both in situ and reworked coral samples. From this chronologically sequence, the LIG in Lembetabe was initiated by the deposition of a fringing reef that reaches approximately 2 m above mean sea level. This fringing reef environment persisted throughout the LIG, before a combination of slow regression and changes in the sedimentation regime covered the fringing reef with intertidal and beach sediment. A final close-out of the system occurred as sea level fell further and dune fields began to migrate offshore before. This interpretation of the Lembetabe LIG sequence is then examined through the use of Forward Stratigraphic Models (FSMs). Currently, FSMs are commonly deployed within large-scale basinwide characterizations for industry. By scaling-down the FSM DIONISOS, a suite of synthetic Quaternary subtropical fringing reefs in southwestern Madagascar are produced. Through this approach, each reef is subjected to a distinct Greenland Ice-Sheet (GrIS) and Antarctica Ice-Sheet (AIS) melt scenarios produced by a coupled ANICE-SELEN glacial isostatic adjustment (GIA) model. These scenarios match LIG sea-level curves previously hypothesized within the Indo-Pacific Basin. The resulting collection of synthetic reef sequences so dramatic shifts in both sedimentation and preservation regimes along the Lembetabe coast. By establishing a broad compilation of PRSL indicators at a basin scale, the reexamination of a previously described PRSL indicator, and finally the evaluation of outcrop interpretation, this dissertation provides a new PRSL benchmark for the EAWIO and a new workflow for the evaluation of PRSL indicators along carbonate coasts. Archivierung/Langzeitarchivierung gewährleistet PEHB XA-DE-HB pdager DE-46 sea level MIS 5e geomorphology Madagascar Last Interglacial Forward Stratigraphic Model Hochschulschrift (DE-588)4113937-9 (DE-627)105825778 (DE-576)209480580 gnd-content Rovere, Alessio akademischer betreuerin dgs Barlow, Natasha akademischer betreuerin dgs Universität Bremen Grad-verleihende Institution (DE-588)2001386-3 (DE-627)101380429 (DE-576)191575038 dgg Bremen (DE-588)4008135-7 (DE-627)106369636 (DE-576)208874569 uvp Erscheint auch als Druck-Ausgabe Boyden, Patrick Last interglacial sea level in the western Indian Ocean: multifaceted approach to paleo relative sea level indicator interpretation and analysis Bremen, 2022 xxi, 130 Seiten (DE-627)1806136872 https://doi.org/10.26092/elib/1554 Resolving-System kostenfrei https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 Resolving-System kostenfrei https://d-nb.info/1338949128/34 Langzeitarchivierung Nationalbibliothek kostenfrei https://media.suub.uni-bremen.de/handle/elib/5949 Verlag kostenfrei GBV-ODiss GBV_ILN_20 ISIL_DE-84 SYSFLAG_1 GBV_KXP GBV_ILN_21 ISIL_DE-46 GBV_ILN_22 ISIL_DE-18 GBV_ILN_23 ISIL_DE-830 GBV_ILN_30 ISIL_DE-104 GBV_ILN_40 ISIL_DE-7 GBV_ILN_60 ISIL_DE-705 GBV_ILN_63 ISIL_DE-Wim2 GBV_ILN_70 ISIL_DE-89 GBV_ILN_105 ISIL_DE-841 GBV_ILN_110 ISIL_DE-Luen4 GBV_ILN_132 ISIL_DE-959 GBV_ILN_151 ISIL_DE-546 GBV_ILN_161 ISIL_DE-960 GBV_ILN_293 ISIL_DE-960-3 GBV_ILN_370 ISIL_DE-1373 GBV_ILN_2403 ISIL_DE-LFER DSpace BO 20 01 0084 4593077761 x 12-10-24 21 01 0046 4143882426 ebook_2022_dissbremen Kostenloser Zugriff zza 07-06-22 22 01 0018 4593180503 SUBolrd xu 12-10-24 23 01 0830 4593229499 olr-d x 12-10-24 30 01 0104 4593276489 z 12-10-24 40 01 0007 4593310091 xsn 12-10-24 60 01 0705 4593368065 OLRD z 12-10-24 63 01 3401 4593423538 ORD x 12-10-24 70 01 0089 4593475058 z 12-10-24 105 01 0841 4593866448 z 12-10-24 110 01 3110 4593578639 x 12-10-24 132 01 0959 4593622360 OLR-DISS x 12-10-24 151 01 0546 4593665280 OLR-ODISS z 12-10-24 161 01 0960 4593688361 ORD z 12-10-24 293 01 3293 4593816319 ORD z 12-10-24 370 01 4370 4593853842 x 12-10-24 2403 01 DE-LFER 4186572437 00 --%%-- --%%-- n --%%-- l01 11-09-22 20 01 0084 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 21 01 0046 https://doi.org/10.26092/elib/1554 LF 22 01 0018 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 23 01 0830 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 30 01 0104 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 40 01 0007 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 60 01 0705 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 63 01 3401 E-Book https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 LF 70 01 0089 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 105 01 0841 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 110 01 3110 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 132 01 0959 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 151 01 0546 Volltext https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 161 01 0960 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 293 01 3293 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 370 01 4370 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 2403 01 DE-LFER https://doi.org/10.26092/elib/1554 21 00 DE-46 00 Universität Bremen 60 01 0705 10 ho 20 01 0084 OLRD 110 01 3110 OLRD 370 01 4370 OLRD 21 01 0046 ebook_2022_dissbremen 22 01 0018 SUBolrd 23 01 0830 olr-d 60 01 0705 OLRD 63 01 3401 ORD 132 01 0959 OLR-DISS 151 01 0546 OLR-ODISS 161 01 0960 ORD 293 01 3293 ORD 23 01 0830 2024-10-12 10:31:16 |
allfieldsSound |
urn:nbn:de:gbv:46-elib59495 urn 10.26092/elib/1554 doi (DE-627)1806136775 (DE-599)KXP1806136775 (OCoLC)1325711178 DE-627 ger DE-627 rda eng XA-DE-HB 551.45 DE-101 550 DE-101 Boyden, Patrick verfasserin (orcid)0000-0002-2757-7761 aut Last interglacial sea level in the western Indian Ocean: multifaceted approach to paleo relative sea level indicator interpretation and analysis Patrick Boyden Bremen [2022] 1 Online-Ressource (xxi, 130 Seiten) Illustrationen Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Dissertation Universität Bremen 2022 The global population living within low lying coastal zones face significant challenges in the coming century as sea levels rise. Unfortunately, the acceleration and magnitude of the rise is still a subject of debate, leaving coastal communities often paralyzed in the decision whether to mitigate or abandon. In order to better elucidate future sea-level rise, process analogues from the geological record are used to constrain model predictions. The Last Interglacial (LIG, ca. 128–116 ka), represents the most recent period when Earth’s climate was warmer and sea levels were higher than today. Such insights are derived from the global accumulation of geological sea-level proxies, called paleo relative sea level (PRSL) indicators that are comprised of accurate chronological and elevation constraints as well as considerations for post-depositional processes. However, the spatial and temporal coverage of PRSL indicators is uneven, especially within Eastern Africa and the Western Indian Ocean (EAWIO). In order to establish the current understanding of LIG sea-level in the EAWIO, this dissertation compiles a sea-level database using published LIG geological sea-level proxies. The EAWIO comprises of extensive tropical coastlines and coralline islands with many occurrences of well preserved LIG sequences. These LIG sequences vary in form from islands entirely composed of Pleistocene reefs (i.e., Aldabra, the Seychelles) to uplifted marine terraces in the north of Somalia to Marine Isotope Stage (MIS) 5 tidal notches in Mozambique. This effort uses theWALIS interface and contains 58 sea-level indicators and 2 terrestrial limiting data points. Studies within this database stretch from the 1960s until present, with varying degrees of PRSL precision. Taking this into account, this dissertation explores the advantages of applying modern chronological constraints and advanced surveying techniques to a classic Pleistocene site along the southwestern shores of Madagascar. Here, new investigative techniques provide an updated late Pleistocene geomorphological understanding of southwestern Madagascar. Through the use of Structure from Motion / Multi-View Stereo in combination with differential Global Navigation Satellite System surveys, 3D outcrop reconstructions of sequential geomorphologcial zones and their intrinsic facies are presented. This sequence is chronologically constrained using U-series ages from both in situ and reworked coral samples. From this chronologically sequence, the LIG in Lembetabe was initiated by the deposition of a fringing reef that reaches approximately 2 m above mean sea level. This fringing reef environment persisted throughout the LIG, before a combination of slow regression and changes in the sedimentation regime covered the fringing reef with intertidal and beach sediment. A final close-out of the system occurred as sea level fell further and dune fields began to migrate offshore before. This interpretation of the Lembetabe LIG sequence is then examined through the use of Forward Stratigraphic Models (FSMs). 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By establishing a broad compilation of PRSL indicators at a basin scale, the reexamination of a previously described PRSL indicator, and finally the evaluation of outcrop interpretation, this dissertation provides a new PRSL benchmark for the EAWIO and a new workflow for the evaluation of PRSL indicators along carbonate coasts. 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Last interglacial sea level in the western Indian Ocean: multifaceted approach to paleo relative sea level indicator interpretation and analysis |
abstract |
The global population living within low lying coastal zones face significant challenges in the coming century as sea levels rise. Unfortunately, the acceleration and magnitude of the rise is still a subject of debate, leaving coastal communities often paralyzed in the decision whether to mitigate or abandon. In order to better elucidate future sea-level rise, process analogues from the geological record are used to constrain model predictions. The Last Interglacial (LIG, ca. 128–116 ka), represents the most recent period when Earth’s climate was warmer and sea levels were higher than today. Such insights are derived from the global accumulation of geological sea-level proxies, called paleo relative sea level (PRSL) indicators that are comprised of accurate chronological and elevation constraints as well as considerations for post-depositional processes. However, the spatial and temporal coverage of PRSL indicators is uneven, especially within Eastern Africa and the Western Indian Ocean (EAWIO). In order to establish the current understanding of LIG sea-level in the EAWIO, this dissertation compiles a sea-level database using published LIG geological sea-level proxies. The EAWIO comprises of extensive tropical coastlines and coralline islands with many occurrences of well preserved LIG sequences. These LIG sequences vary in form from islands entirely composed of Pleistocene reefs (i.e., Aldabra, the Seychelles) to uplifted marine terraces in the north of Somalia to Marine Isotope Stage (MIS) 5 tidal notches in Mozambique. This effort uses theWALIS interface and contains 58 sea-level indicators and 2 terrestrial limiting data points. Studies within this database stretch from the 1960s until present, with varying degrees of PRSL precision. Taking this into account, this dissertation explores the advantages of applying modern chronological constraints and advanced surveying techniques to a classic Pleistocene site along the southwestern shores of Madagascar. Here, new investigative techniques provide an updated late Pleistocene geomorphological understanding of southwestern Madagascar. Through the use of Structure from Motion / Multi-View Stereo in combination with differential Global Navigation Satellite System surveys, 3D outcrop reconstructions of sequential geomorphologcial zones and their intrinsic facies are presented. This sequence is chronologically constrained using U-series ages from both in situ and reworked coral samples. From this chronologically sequence, the LIG in Lembetabe was initiated by the deposition of a fringing reef that reaches approximately 2 m above mean sea level. This fringing reef environment persisted throughout the LIG, before a combination of slow regression and changes in the sedimentation regime covered the fringing reef with intertidal and beach sediment. A final close-out of the system occurred as sea level fell further and dune fields began to migrate offshore before. This interpretation of the Lembetabe LIG sequence is then examined through the use of Forward Stratigraphic Models (FSMs). Currently, FSMs are commonly deployed within large-scale basinwide characterizations for industry. By scaling-down the FSM DIONISOS, a suite of synthetic Quaternary subtropical fringing reefs in southwestern Madagascar are produced. Through this approach, each reef is subjected to a distinct Greenland Ice-Sheet (GrIS) and Antarctica Ice-Sheet (AIS) melt scenarios produced by a coupled ANICE-SELEN glacial isostatic adjustment (GIA) model. These scenarios match LIG sea-level curves previously hypothesized within the Indo-Pacific Basin. The resulting collection of synthetic reef sequences so dramatic shifts in both sedimentation and preservation regimes along the Lembetabe coast. By establishing a broad compilation of PRSL indicators at a basin scale, the reexamination of a previously described PRSL indicator, and finally the evaluation of outcrop interpretation, this dissertation provides a new PRSL benchmark for the EAWIO and a new workflow for the evaluation of PRSL indicators along carbonate coasts. |
abstractGer |
The global population living within low lying coastal zones face significant challenges in the coming century as sea levels rise. Unfortunately, the acceleration and magnitude of the rise is still a subject of debate, leaving coastal communities often paralyzed in the decision whether to mitigate or abandon. In order to better elucidate future sea-level rise, process analogues from the geological record are used to constrain model predictions. The Last Interglacial (LIG, ca. 128–116 ka), represents the most recent period when Earth’s climate was warmer and sea levels were higher than today. Such insights are derived from the global accumulation of geological sea-level proxies, called paleo relative sea level (PRSL) indicators that are comprised of accurate chronological and elevation constraints as well as considerations for post-depositional processes. However, the spatial and temporal coverage of PRSL indicators is uneven, especially within Eastern Africa and the Western Indian Ocean (EAWIO). In order to establish the current understanding of LIG sea-level in the EAWIO, this dissertation compiles a sea-level database using published LIG geological sea-level proxies. The EAWIO comprises of extensive tropical coastlines and coralline islands with many occurrences of well preserved LIG sequences. These LIG sequences vary in form from islands entirely composed of Pleistocene reefs (i.e., Aldabra, the Seychelles) to uplifted marine terraces in the north of Somalia to Marine Isotope Stage (MIS) 5 tidal notches in Mozambique. This effort uses theWALIS interface and contains 58 sea-level indicators and 2 terrestrial limiting data points. Studies within this database stretch from the 1960s until present, with varying degrees of PRSL precision. Taking this into account, this dissertation explores the advantages of applying modern chronological constraints and advanced surveying techniques to a classic Pleistocene site along the southwestern shores of Madagascar. Here, new investigative techniques provide an updated late Pleistocene geomorphological understanding of southwestern Madagascar. Through the use of Structure from Motion / Multi-View Stereo in combination with differential Global Navigation Satellite System surveys, 3D outcrop reconstructions of sequential geomorphologcial zones and their intrinsic facies are presented. This sequence is chronologically constrained using U-series ages from both in situ and reworked coral samples. From this chronologically sequence, the LIG in Lembetabe was initiated by the deposition of a fringing reef that reaches approximately 2 m above mean sea level. This fringing reef environment persisted throughout the LIG, before a combination of slow regression and changes in the sedimentation regime covered the fringing reef with intertidal and beach sediment. A final close-out of the system occurred as sea level fell further and dune fields began to migrate offshore before. This interpretation of the Lembetabe LIG sequence is then examined through the use of Forward Stratigraphic Models (FSMs). Currently, FSMs are commonly deployed within large-scale basinwide characterizations for industry. By scaling-down the FSM DIONISOS, a suite of synthetic Quaternary subtropical fringing reefs in southwestern Madagascar are produced. Through this approach, each reef is subjected to a distinct Greenland Ice-Sheet (GrIS) and Antarctica Ice-Sheet (AIS) melt scenarios produced by a coupled ANICE-SELEN glacial isostatic adjustment (GIA) model. These scenarios match LIG sea-level curves previously hypothesized within the Indo-Pacific Basin. The resulting collection of synthetic reef sequences so dramatic shifts in both sedimentation and preservation regimes along the Lembetabe coast. By establishing a broad compilation of PRSL indicators at a basin scale, the reexamination of a previously described PRSL indicator, and finally the evaluation of outcrop interpretation, this dissertation provides a new PRSL benchmark for the EAWIO and a new workflow for the evaluation of PRSL indicators along carbonate coasts. |
abstract_unstemmed |
The global population living within low lying coastal zones face significant challenges in the coming century as sea levels rise. Unfortunately, the acceleration and magnitude of the rise is still a subject of debate, leaving coastal communities often paralyzed in the decision whether to mitigate or abandon. In order to better elucidate future sea-level rise, process analogues from the geological record are used to constrain model predictions. The Last Interglacial (LIG, ca. 128–116 ka), represents the most recent period when Earth’s climate was warmer and sea levels were higher than today. Such insights are derived from the global accumulation of geological sea-level proxies, called paleo relative sea level (PRSL) indicators that are comprised of accurate chronological and elevation constraints as well as considerations for post-depositional processes. However, the spatial and temporal coverage of PRSL indicators is uneven, especially within Eastern Africa and the Western Indian Ocean (EAWIO). In order to establish the current understanding of LIG sea-level in the EAWIO, this dissertation compiles a sea-level database using published LIG geological sea-level proxies. The EAWIO comprises of extensive tropical coastlines and coralline islands with many occurrences of well preserved LIG sequences. These LIG sequences vary in form from islands entirely composed of Pleistocene reefs (i.e., Aldabra, the Seychelles) to uplifted marine terraces in the north of Somalia to Marine Isotope Stage (MIS) 5 tidal notches in Mozambique. This effort uses theWALIS interface and contains 58 sea-level indicators and 2 terrestrial limiting data points. Studies within this database stretch from the 1960s until present, with varying degrees of PRSL precision. Taking this into account, this dissertation explores the advantages of applying modern chronological constraints and advanced surveying techniques to a classic Pleistocene site along the southwestern shores of Madagascar. Here, new investigative techniques provide an updated late Pleistocene geomorphological understanding of southwestern Madagascar. Through the use of Structure from Motion / Multi-View Stereo in combination with differential Global Navigation Satellite System surveys, 3D outcrop reconstructions of sequential geomorphologcial zones and their intrinsic facies are presented. This sequence is chronologically constrained using U-series ages from both in situ and reworked coral samples. From this chronologically sequence, the LIG in Lembetabe was initiated by the deposition of a fringing reef that reaches approximately 2 m above mean sea level. This fringing reef environment persisted throughout the LIG, before a combination of slow regression and changes in the sedimentation regime covered the fringing reef with intertidal and beach sediment. A final close-out of the system occurred as sea level fell further and dune fields began to migrate offshore before. This interpretation of the Lembetabe LIG sequence is then examined through the use of Forward Stratigraphic Models (FSMs). Currently, FSMs are commonly deployed within large-scale basinwide characterizations for industry. By scaling-down the FSM DIONISOS, a suite of synthetic Quaternary subtropical fringing reefs in southwestern Madagascar are produced. Through this approach, each reef is subjected to a distinct Greenland Ice-Sheet (GrIS) and Antarctica Ice-Sheet (AIS) melt scenarios produced by a coupled ANICE-SELEN glacial isostatic adjustment (GIA) model. These scenarios match LIG sea-level curves previously hypothesized within the Indo-Pacific Basin. The resulting collection of synthetic reef sequences so dramatic shifts in both sedimentation and preservation regimes along the Lembetabe coast. By establishing a broad compilation of PRSL indicators at a basin scale, the reexamination of a previously described PRSL indicator, and finally the evaluation of outcrop interpretation, this dissertation provides a new PRSL benchmark for the EAWIO and a new workflow for the evaluation of PRSL indicators along carbonate coasts. |
collection_details |
GBV-ODiss GBV_ILN_20 ISIL_DE-84 SYSFLAG_1 GBV_KXP GBV_ILN_21 ISIL_DE-46 GBV_ILN_22 ISIL_DE-18 GBV_ILN_23 ISIL_DE-830 GBV_ILN_30 ISIL_DE-104 GBV_ILN_40 ISIL_DE-7 GBV_ILN_60 ISIL_DE-705 GBV_ILN_63 ISIL_DE-Wim2 GBV_ILN_70 ISIL_DE-89 GBV_ILN_105 ISIL_DE-841 GBV_ILN_110 ISIL_DE-Luen4 GBV_ILN_132 ISIL_DE-959 GBV_ILN_151 ISIL_DE-546 GBV_ILN_161 ISIL_DE-960 GBV_ILN_293 ISIL_DE-960-3 GBV_ILN_370 ISIL_DE-1373 GBV_ILN_2403 ISIL_DE-LFER |
title_short |
Last interglacial sea level in the western Indian Ocean: multifaceted approach to paleo relative sea level indicator interpretation and analysis |
url |
https://doi.org/10.26092/elib/1554 https://nbn-resolving.org/urn:nbn:de:gbv:46-elib59495 https://d-nb.info/1338949128/34 https://media.suub.uni-bremen.de/handle/elib/5949 |
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Rovere, Alessio Barlow, Natasha Universität Bremen |
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up_date |
2024-10-13T07:05:51.431Z |
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