Equatorial insolation: from precession harmonics to eccentricity frequencies

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dc.contributor.authorBerger, A
dc.contributor.authorLoutre, M F
dc.contributor.authorMélice, J L
dc.date.accessioned2021-10-08T06:55:00Z
dc.date.available2021-10-08T06:55:00Z
dc.date.issued2006
dc.description.abstractSince the paper by Hays et al. (1976), spectral analyses of climate proxy records provide substantial evidence that a fraction of the climatic variance is driven by insolation changes in the frequency ranges of obliquity and precession variations. However, it is the variance components centered near 100 kyr which dominate most Upper Pleistocene climatic records, although the amount of insolation perturbation at the eccentricity driven 100-kyr period is much too small to cause directly a climate change of ice-age amplitude. Many attempts to find an explanation to this 100-kyr cycle in climatic records have been made over the last decades. Here we show that the double maximum which characterizes the daily irradiation received in tropical latitudes over the course of the year is at the origin in equatorial insolation of not only a strong 100-kyr, but also of a 11-kyr and a 5.5-kyr periods related respectively to eccentricity and to precession.
dc.identifier.apacitationBerger, A., Loutre, M. F., & Mélice, J. L. (2006). Equatorial insolation: from precession harmonics to eccentricity frequencies. <i>Climate of the Past</i>, 2(4), 519 - 533. http://hdl.handle.net/11427/34395en_ZA
dc.identifier.chicagocitationBerger, A, M F Loutre, and J L Mélice "Equatorial insolation: from precession harmonics to eccentricity frequencies." <i>Climate of the Past</i> 2, 4. (2006): 519 - 533. http://hdl.handle.net/11427/34395en_ZA
dc.identifier.citationBerger, A., Loutre, M.F. & Mélice, J.L. 2006. Equatorial insolation: from precession harmonics to eccentricity frequencies. <i>Climate of the Past.</i> 2(4):519 - 533. http://hdl.handle.net/11427/34395en_ZA
dc.identifier.issn1814-9324
dc.identifier.issn1814-9332
dc.identifier.ris TY - Journal Article AU - Berger, A AU - Loutre, M F AU - Mélice, J L AB - Since the paper by Hays et al. (1976), spectral analyses of climate proxy records provide substantial evidence that a fraction of the climatic variance is driven by insolation changes in the frequency ranges of obliquity and precession variations. However, it is the variance components centered near 100 kyr which dominate most Upper Pleistocene climatic records, although the amount of insolation perturbation at the eccentricity driven 100-kyr period is much too small to cause directly a climate change of ice-age amplitude. Many attempts to find an explanation to this 100-kyr cycle in climatic records have been made over the last decades. Here we show that the double maximum which characterizes the daily irradiation received in tropical latitudes over the course of the year is at the origin in equatorial insolation of not only a strong 100-kyr, but also of a 11-kyr and a 5.5-kyr periods related respectively to eccentricity and to precession. DA - 2006 DB - OpenUCT DP - University of Cape Town IS - 4 J1 - Climate of the Past LK - https://open.uct.ac.za PY - 2006 SM - 1814-9324 SM - 1814-9332 T1 - Equatorial insolation: from precession harmonics to eccentricity frequencies TI - Equatorial insolation: from precession harmonics to eccentricity frequencies UR - http://hdl.handle.net/11427/34395 ER - en_ZA
dc.identifier.urihttp://hdl.handle.net/11427/34395
dc.identifier.vancouvercitationBerger A, Loutre MF, Mélice JL. Equatorial insolation: from precession harmonics to eccentricity frequencies. Climate of the Past. 2006;2(4):519 - 533. http://hdl.handle.net/11427/34395.en_ZA
dc.language.isoeng
dc.publisher.departmentDepartment of Oceanography
dc.publisher.facultyFaculty of Science
dc.sourceClimate of the Past
dc.source.journalissue4
dc.source.journalvolume2
dc.source.pagination519 - 533
dc.source.urihttps://dx.doi.org/10.5194/cp-2-131-2006
dc.subject.otherDOAJ:Earth and Environmental Sciences
dc.subject.other[ SDU.ENVI ] Sciences of the Universe [physics]/Continental interfaces, environment
dc.subject.otherG
dc.subject.otherGeography. Anthropology. Recreation
dc.subject.otherEnvironmental protection
dc.subject.otherTD169-171.8
dc.subject.other[SDU.ENVI] Sciences of the Universe [physics]/Continental interfaces, environment
dc.subject.other[ SDU.STU ] Sciences of the Universe [physics]/Earth Sciences
dc.subject.other[SDU.STU] Sciences of the Universe [physics]/Earth Sciences
dc.subject.otherEnvironmental pollution
dc.subject.otherGE1-350
dc.subject.otherDOAJ:Environmental Sciences
dc.subject.otherTD172-193.5
dc.subject.otherEnvironmental sciences
dc.titleEquatorial insolation: from precession harmonics to eccentricity frequencies
dc.typeJournal Article
uct.type.publicationResearch
uct.type.resourceJournal Article
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