Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Cenozoic history of North Atlantic deep sea carbonate preservation
Stockholm University, Faculty of Science, Department of Geological Sciences.
2015 (English)Independent thesis Basic level (degree of Bachelor), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Carbonate preservation in the oceans occurs at a depth called the carbonate compensation depth (CCD). The CCD is where the input rate of carbonate from the surface of the ocean is balanced by the dissolution rate. Factors controlling the CCD are the CO2 in the atmosphere, weathering, and productivity in the surface water, the depth of the lysocline and deep water currents (and their ocean circulation). Two previous studies have investigated the variation of the CCD through geologic time, one in the equatorial Pacific (Pälike et al., 2012) and the other compiled results from the Pacific, Atlantic and Indian Oceans (Van Andel, 1975). The project consisted of compiling a database of sediment lithologies for many more sites in the Atlantic since the compilation by Van Andel, 1975, and together with a subsidence model of the ocean crust the systematic variations of CCD could be investigated. The results show that the CCD varies both spatially and temporally in accordance with previous studies. The reconstruction of the CCD needs further analysis, and possibly data from the oldest drilling program, the Deep Sea Drilling Project (DSDP). One result that is very important is that this study includes a total of 91 sites in the Atlantic Ocean, far more than in any of the other two studies. Future work can build upon the already started database of sediment lithologies.

Place, publisher, year, edition, pages
2015. , 72 p.
Keyword [en]
Carbonate compensation depth, CCD, IODP, ODP, DSDP, Atlantic Ocean, subsidence modeling, Cenozoic, database of sediment lithologies, Google Earth
National Category
Geology
Identifiers
URN: urn:nbn:se:su:diva-117984OAI: oai:DiVA.org:su-117984DiVA: diva2:818344
Supervisors
Examiners
Available from: 2015-06-08 Created: 2015-06-08 Last updated: 2015-06-08Bibliographically approved

Open Access in DiVA

fulltext(4412 kB)109 downloads
File information
File name FULLTEXT01.pdfFile size 4412 kBChecksum SHA-512
c496e1a949d4e5e87958b5bf0b6e7087544e6a94a8c9c0f42502b6017fcde3caf92263e121554362b1ddd5a745028fc5557454fba2a10f1ca355e00cd799b0e4
Type fulltextMimetype application/pdf

By organisation
Department of Geological Sciences
Geology

Search outside of DiVA

GoogleGoogle Scholar
Total: 109 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

urn-nbn

Altmetric score

urn-nbn
Total: 243 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf