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Excerpt from The Rains of the Nile Basin and the Nile Flood of 1906 The series of seven dry years which began with the exceptionally low flood of 1899 when the volume discharged by the Nile was 37 per cent below the average, and ended with that of 1905 which was 35 per cent deficient, was succeeded this year by a flood which was more nearly of average volume. Year by year it is possible to supplement existing information by newer and more ample data, and to fill gaps in the chain Of conditions which lead up to the summer rains of Abyssinia, the feeders of the Nile flood. A few years ago the resemblance between the gauge curve of a rising flood and that of some former year was used as the only means of anticipating its probable development then it was suggested that the Bombay rainfall might be utilized as a basis of prediction, but with the re-opening of the Sudan and the establishment of meteorological stations there, supplemented by others in the equatorial regions, our knowledge has rapidly increased, and deductions from accurate observations have largely replaced empirical methods. Today we can follow the northward extension of the rains of tropical East Africa from Mauritius and Zomba (in British Central Africa) which lie just within the southern tropic, through German East Africa up to the lake plateau. In the Seychelles Islands of the Indian Ocean and in British East Africa and Uganda, we note them as they pass on to the Somali Coast and to the Bahr el J ebel. Further north again, a chain of meteorological stations now supplies full information about the intensity and the extension of the rains from the nile-congo watershed through the Bahr el Ghazal, and along the Bahr el J ebel and the Sobat across the Sudan plains to the limits of the Monsoon region near Dongola and Berber to the south of the Abyssinian tableland information is still meagre, and we are dependent on the journals of the few travellers who have traversed the region. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

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