Christopher Taylor acknowledges the financial support provided by the NERC through its TIGER (Terrestrial Initiatives in Global Environmental Research) program, Award GST/91/III.2/2A. Funding of the EPSAT-Niger experiment by the TOA department of ORSTOM and from INSU (Institut National des Sciences de l’Univers) is gratefully acknowledged. The authors would also like to thank the many people who provided the data that made this study possible, and, in particular, Colin Lloyd, Alistair Culf, Richard Harding, Steve Gaze, and Simon Allen, the HAPEX-Sahel Information System team for compiling the database, and to Alan Thorpe and the anonymous reviewers for their comments.
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