Diatom productivity in Northern Lake Malawi during the past 25,000 years: implications for the Position of the Intertropical Convergence Zone at Millennial and Shorter Time Scales

Thomas C. Johnson; Erik T. Brown; James McManus

doi:10.1007/978-1-4020-2121-3_6

Diatom productivity in Northern Lake Malawi during the past 25,000 years: implications for the Position of the Intertropical Convergence Zone at Millennial and Shorter Time Scales

Thomas C. Johnson, Erik T. Brown, James McManus

Academic Affairs (Duluth)

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

The large lakes of the East African Rift Valley provide a magnificent array of sedimentary basins that are actively recording the modern climate dynamics of tropical East Africa. The basins are perhaps 10 million or more years old (Cohen et al. 1993), and their deepest reaches have archived continuous records of past climate change that are unparalleled anywhere else in the tropics in terms of longevity coupled with resolution (Johnson 1993). These lakes are highly sensitive to climate variability, and their sediments carry rich signals of past environmental dynamics, inscribed in the assemblages of microfossils, the abundance and isotopic composition of endogenic minerals, bulk sediment texture and structure, and organic geochemistry.

Original language	English (US)
Title of host publication	Past Climate Variability through Europe and Africa
Editors	Richard W. Battarbee, Françoise Gasse, Catherine E. Stickley
Place of Publication	Dordrecht
Publisher	Springer Netherlands
Pages	93-116
Number of pages	24
ISBN (Print)	978-1-4020-2121-3
DOIs	https://doi.org/10.1007/978-1-4020-2121-3_6
State	Published - 2004

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10.1007/978-1-4020-2121-3_6

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Johnson, T. C., Brown, E. T., & McManus, J. (2004). Diatom productivity in Northern Lake Malawi during the past 25,000 years: implications for the Position of the Intertropical Convergence Zone at Millennial and Shorter Time Scales. In R. W. Battarbee, F. Gasse, & C. E. Stickley (Eds.), Past Climate Variability through Europe and Africa (pp. 93-116). Springer Netherlands. https://doi.org/10.1007/978-1-4020-2121-3_6

Diatom productivity in Northern Lake Malawi during the past 25,000 years: implications for the Position of the Intertropical Convergence Zone at Millennial and Shorter Time Scales. / Johnson, Thomas C.; Brown, Erik T.; McManus, James.

Past Climate Variability through Europe and Africa. ed. / Richard W. Battarbee; Françoise Gasse; Catherine E. Stickley. Dordrecht : Springer Netherlands, 2004. p. 93-116.

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Johnson, TC, Brown, ET & McManus, J 2004, Diatom productivity in Northern Lake Malawi during the past 25,000 years: implications for the Position of the Intertropical Convergence Zone at Millennial and Shorter Time Scales. in RW Battarbee, F Gasse & CE Stickley (eds), Past Climate Variability through Europe and Africa. Springer Netherlands, Dordrecht, pp. 93-116. https://doi.org/10.1007/978-1-4020-2121-3_6

Johnson TC, Brown ET, McManus J. Diatom productivity in Northern Lake Malawi during the past 25,000 years: implications for the Position of the Intertropical Convergence Zone at Millennial and Shorter Time Scales. In Battarbee RW, Gasse F, Stickley CE, editors, Past Climate Variability through Europe and Africa. Dordrecht: Springer Netherlands. 2004. p. 93-116 https://doi.org/10.1007/978-1-4020-2121-3_6

Johnson, Thomas C. ; Brown, Erik T. ; McManus, James. / Diatom productivity in Northern Lake Malawi during the past 25,000 years: implications for the Position of the Intertropical Convergence Zone at Millennial and Shorter Time Scales. Past Climate Variability through Europe and Africa. editor / Richard W. Battarbee ; Françoise Gasse ; Catherine E. Stickley. Dordrecht : Springer Netherlands, 2004. pp. 93-116

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abstract = "The large lakes of the East African Rift Valley provide a magnificent array of sedimentary basins that are actively recording the modern climate dynamics of tropical East Africa. The basins are perhaps 10 million or more years old (Cohen et al. 1993), and their deepest reaches have archived continuous records of past climate change that are unparalleled anywhere else in the tropics in terms of longevity coupled with resolution (Johnson 1993). These lakes are highly sensitive to climate variability, and their sediments carry rich signals of past environmental dynamics, inscribed in the assemblages of microfossils, the abundance and isotopic composition of endogenic minerals, bulk sediment texture and structure, and organic geochemistry.",

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