Reply to comment by Yannick Garcin on “Abrupt change in tropical African climate linked to the bipolar seesaw over the past 55,000 years” | Zendy

Brown E. T. | Zendy; Johnson T. C. | Zendy; Scholz C. A. | Zendy; Cohen A. S. | Zendy; King J. W. | Zendy

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Reply to comment by Yannick Garcin on “Abrupt change in tropical African climate linked to the bipolar seesaw over the past 55,000 years”

Author(s) -

Brown E. T.,

Johnson T. C.,

Scholz C. A.,

Cohen A. S.,

King J. W.

Publication year - 2008

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/2007gl033004

Subject(s) - stadial , chronology , geology , ice core , radiocarbon dating , intertropical convergence zone , climatology , climate change , physical geography , geography , paleontology , precipitation , oceanography , holocene , meteorology

We welcome this opportunity for additional discussion of the Lake Malawi Drill Core record. We recognized early in this project that the Zr:Ti record shows a striking qualitative resemblance to records of interstadial DO events as preserved in Greenland [ Brown et al. , 2006]. However, additional radiocarbon constraints on the core's chronology, and the need for a mechanistically realistic interpretation of the record throughout MIS 2 and MIS 3 led us to the conclusion that peaks in the Malawi record (interpreted as southward ITCZ excursions) coincide with Greenland stadials [ Brown et al. , 2007]. Garcin [2008] has raised several concerns regarding our interpretation of Lake Malawi results from MIS 2 and MIS 3; these fall into five general categories:

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