Radiolarian responses to the 1957-1958 and 1964 El Ninos and 1963 anti-El Nino and a search for similar events in the fossil record

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dc.contributor.advisorCasey, Richard E.en_US
dc.contributor.committeeMemberAnderson, John B.en_US
dc.contributor.committeeMemberDunbar, Robert B.en_US
dc.creatorWeinheimer, Amyen_US
dc.date.accessioned2018-12-18T21:16:37Zen_US
dc.date.available2018-12-18T21:16:37Zen_US
dc.date.issued1985en_US
dc.description.abstractRadiolarian distributions and physical oceanographic data from the southern California borderlands indicate the following: Strong anti-El Nino periods can be characterized by 1) average radiolarian standing crop, 2) high percentage of transition-central radiolarian fauna, and 3) low percentage and number of warm water radiolarian fauna. This distribution pattern is attributed to strong wind-driven upwelling and reduced northward transport by the California Countercurrent during anti-El Nino periods. Strong El Nino periods were typically 1) high in radiolarian standing crop, 2) low percentage and high number of cold water fauna, and 3) high percentage and number of warm water fauna. This distribution is attributed to reduced wind-driven upwelling, enhanced northward countercurrent transport, and geostrophic doming of the cold water masses in the shear zone between the California Current and California Countercurrent. Preliminary work on a varved sample from the Monterey Formation, Lompoc, California indicates that variations of radiolarian populations appear to represent changes in oceanic circulation similar to those recorded in the Santa Barbara Basin varved sediments.en_US
dc.format.digitalOriginreformatted digitalen_US
dc.format.extent170 ppen_US
dc.identifier.callnoThesis Geol. 1985 Weinheimeren_US
dc.identifier.citationWeinheimer, Amy. "Radiolarian responses to the 1957-1958 and 1964 El Ninos and 1963 anti-El Nino and a search for similar events in the fossil record." (1985) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/104044">https://hdl.handle.net/1911/104044</a>.en_US
dc.identifier.digitalRICE1670en_US
dc.identifier.urihttps://hdl.handle.net/1911/104044en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.titleRadiolarian responses to the 1957-1958 and 1964 El Ninos and 1963 anti-El Nino and a search for similar events in the fossil recorden_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentEarth Scienceen_US
thesis.degree.disciplineNatural Sciencesen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelMastersen_US
thesis.degree.nameMaster of Artsen_US
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