Diffuse Spectral Reflectance-derived Pliocene and Pleistocene Periodicity from Weddell Sea, Antarctica Sediment Cores:
With climate change presenting the very real threat of sea level rise as one of many side effects, it is important in planning for future changes to understand how it changed in the past. With the potential to raise sea level by ~60 meters if it melted completely, the East Antarctic Ice Sheet and it...
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ftwesleyanu:oai:digitalcollections.wesleyan.edu:ir_704 2023-05-15T13:59:40+02:00 Diffuse Spectral Reflectance-derived Pliocene and Pleistocene Periodicity from Weddell Sea, Antarctica Sediment Cores: True-Alcala, Tavo Tomas (Tavo Tomas True-Alcala) (Author) (Suzanne O'Connell) (Thesis advisor) (author) () (Committee member) (Degree grantor) 82 pages electronic application/pdf https://doi.org/10.14418/wes01.1.1181 https://digitalcollections.wesleyan.edu/islandora/object/ir%3A704/datastream/TN/view/Diffuse%20Spectral%20Reflectance-derived%20Pliocene%20and%20Pleistocene%20Periodicity%20from%20Weddell%20Sea,%20Antarctica%20Sediment%20Cores.jpg https://digitalcollections.wesleyan.edu/object/ir-704 eng eng In Copyright – Non-Commercial Use Permitted (InC-NC) --- Text theses Dissertation/Thesis ftwesleyanu https://doi.org/10.14418/wes01.1.1181 2022-02-04T20:38:53Z With climate change presenting the very real threat of sea level rise as one of many side effects, it is important in planning for future changes to understand how it changed in the past. With the potential to raise sea level by ~60 meters if it melted completely, the East Antarctic Ice Sheet and its responses to changing climate is an critical relationship to study. In this thesis I analyze two marine sediment cores of Pleistocene and Pliocene age from the same site off the coast of Dronning Maud Land, East Antarctica, for signs of climate change-related fluctuations in the fine fraction (<63um) of sediment. Using changes in mean grain size and reflectance-derived mineral assemblages I identify warm and cold periods within the cores. Wavelet analysis provides likely sedimentation rates, which help constrain the timing of the climate fluctuations. 2015 Old URL: https://wesscholar.wesleyan.edu/etd_hon_theses/1479 In Copyright – Non-Commercial Use Permitted (InC-NC) Thesis Antarc* Antarctic Antarctica Dronning Maud Land East Antarctica Ice Sheet Weddell Sea Wesleyan University: WesScholar Antarctic Dronning Maud Land East Antarctic Ice Sheet East Antarctica Weddell Weddell Sea |
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--- Diffuse Spectral Reflectance-derived Pliocene and Pleistocene Periodicity from Weddell Sea, Antarctica Sediment Cores: |
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With climate change presenting the very real threat of sea level rise as one of many side effects, it is important in planning for future changes to understand how it changed in the past. With the potential to raise sea level by ~60 meters if it melted completely, the East Antarctic Ice Sheet and its responses to changing climate is an critical relationship to study. In this thesis I analyze two marine sediment cores of Pleistocene and Pliocene age from the same site off the coast of Dronning Maud Land, East Antarctica, for signs of climate change-related fluctuations in the fine fraction (<63um) of sediment. Using changes in mean grain size and reflectance-derived mineral assemblages I identify warm and cold periods within the cores. Wavelet analysis provides likely sedimentation rates, which help constrain the timing of the climate fluctuations. 2015 Old URL: https://wesscholar.wesleyan.edu/etd_hon_theses/1479 In Copyright – Non-Commercial Use Permitted (InC-NC) |
author2 |
True-Alcala, Tavo Tomas (Tavo Tomas True-Alcala) (Author) (Suzanne O'Connell) (Thesis advisor) (author) () (Committee member) (Degree grantor) |
format |
Thesis |
title |
Diffuse Spectral Reflectance-derived Pliocene and Pleistocene Periodicity from Weddell Sea, Antarctica Sediment Cores: |
title_short |
Diffuse Spectral Reflectance-derived Pliocene and Pleistocene Periodicity from Weddell Sea, Antarctica Sediment Cores: |
title_full |
Diffuse Spectral Reflectance-derived Pliocene and Pleistocene Periodicity from Weddell Sea, Antarctica Sediment Cores: |
title_fullStr |
Diffuse Spectral Reflectance-derived Pliocene and Pleistocene Periodicity from Weddell Sea, Antarctica Sediment Cores: |
title_full_unstemmed |
Diffuse Spectral Reflectance-derived Pliocene and Pleistocene Periodicity from Weddell Sea, Antarctica Sediment Cores: |
title_sort |
diffuse spectral reflectance-derived pliocene and pleistocene periodicity from weddell sea, antarctica sediment cores: |
url |
https://doi.org/10.14418/wes01.1.1181 https://digitalcollections.wesleyan.edu/islandora/object/ir%3A704/datastream/TN/view/Diffuse%20Spectral%20Reflectance-derived%20Pliocene%20and%20Pleistocene%20Periodicity%20from%20Weddell%20Sea,%20Antarctica%20Sediment%20Cores.jpg https://digitalcollections.wesleyan.edu/object/ir-704 |
geographic |
Antarctic Dronning Maud Land East Antarctic Ice Sheet East Antarctica Weddell Weddell Sea |
geographic_facet |
Antarctic Dronning Maud Land East Antarctic Ice Sheet East Antarctica Weddell Weddell Sea |
genre |
Antarc* Antarctic Antarctica Dronning Maud Land East Antarctica Ice Sheet Weddell Sea |
genre_facet |
Antarc* Antarctic Antarctica Dronning Maud Land East Antarctica Ice Sheet Weddell Sea |
op_rights |
In Copyright – Non-Commercial Use Permitted (InC-NC) |
op_doi |
https://doi.org/10.14418/wes01.1.1181 |
_version_ |
1766268337218650112 |