Letter | Published:

Sedimentary record of rainfall variations in a sub-humid lake

Nature volume 296, pages 434436 (01 April 1982) | Download Citation

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Abstract

The physical, chemical and fossil characteristics of lake sediments are frequently used to study environmental processes and change within a lake, in the lake catchment and over a wider area. Analysis of sediment dry weight variations in a 1.3-m core from a lake, Dayat Afougach, in Morocco suggests that they record both seasonal and annual rainfall variations and the associated catchment erosion and lake sedimentation processes. If this is a common feature of certain lake sediments then these lakes may prove to be a source of information about changing precipitation patterns in areas where climatological records are not available, as well as providing information on changing sediment yields from their catchments.

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Affiliations

  1. The New University of Ulster, Limnology Laboratory, Traad Point, Magherafelt, Co. Derry BT45 6LR, UK

    • Brain Rippey

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https://doi.org/10.1038/296434a0

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