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600 cubic metres acres Albert Nile April Assiout Assuan Assuan and Cairo Assuan gauges Atbara August Bahr Zeraf Barrage basin irrigation Blue Nile Cairo Cairo gauges canals catchment basin centimetres channel Cretaceous cubic metres Dakhla Damietta Damietta branch Date December Delta deposits depth Egyptian Eocene Fayoum February flows Gazelle river Ghaba Shambe Gondokoro high flood January July June Khartoum Lake Albert Lake Choga Lake Moeris Lake Victoria land limestone low floods low supply Main Nile March maximum discharge mean low metres above sea metres per day metres per second minimum Month Nile flood Nile valley November oasis October perennial irrigation rain rainfall reaches reservoir Ripon Falls rise Rosetta branch sea level Sept September Shambe silt Sir William Garstin slope Sobat mouth Sobat river soil square kilometres stream Sudan Sudd region summer supply to-day tributaries Upper Egypt velocity Victoria Nile Wadelai Wady Rayan White Nile width zero
Page 63 - By certain scales i' the pyramid ; they know By the height, the lowness, or the mean, if dearth Or foison follow. The higher Nilus swells The more it promises ; as it ebbs, the seedsman Upon the slime and ooze scatters his grain, And shortly comes to harvest.
Page 76 - Assouan Reservoir. The great weakness of this projected lake has lain in the fact that by itself it can give a plentiful discharge in April and May, less in June, and very little in July, and it was for this reason that in my report of 1894 to the Egyptian Government I had reluctantly to recommend that it be not carried out. But when the Assouan Reservoir is capable of supplying two milliards of cubic metres of water it will be possible to utilise the Mris lake to its utmost capacity.
Page 76 - Mris being directly in communication with the Nile, and only slightly above low Nile level, its discharge would depend entirely on the difference of level between it and the Nile, and consequently as the summer advanced, it would gradually fall and would not be able to give at the end of the summer a quarter of the discharge it could give at the beginning.
Page 76 - Mris will give nearly the whole supply and the reservoir will give a little. In June, the lake will give little and the reservoir much ; while in July the lake will give practically nothing and the reservoir the whole supply. Working together, in this harmonious manner, the reservoir and the lake, which are the true complements of each other, will easily provide the whole of the water needed for Egypt.
Page 69 - The villagers rushed out on to the banks with their children, their cattle, and everything they possessed. The confusion was indescribable. A narrow bank covered with buffaloes, children, poultry, and household furniture. The women assembled round the local saint's tomb, beating their breasts, kissing the tomb, and uttering loud cries, and every five minutes a gang of men running into the crowd and carrying off the first thing they could lay hands on wherewith to close the breach. The fellaheen meanwhile,...
Page 73 - ... irrigated at all. The problem is how to provide perennial irrigation to these 2,000,000 acres, and so add ^60,000,000 to the wealth of the country. To give all the agricultural lands perennial irrigation, Egypt requires reservoirs capable of storing four milliards of cubic metres of water. The Assuan reservoir, at its present level, contains one milliard of cubic metres of water, which will suffice for the conversion of 500,000 acres to perennial irrigation. But though the dam was only completed...
Page 76 - I have described, the lake named that of Moeris, causes still greater astonishment, on the bank of which the Labyrinth was built. " The water in the lake is not derived from local sources, for the earth in that part is excessively dry and waterless, but it is brought in from the Kile by a canal.
Page 71 - Their value is £5,000,000. Four million acres are perennially irrigated. They have a mean value of £55 per acre, and have a total value of £220,000,000. Of the remaining two million acres, two-thirds are irrigated only in flood and one-third is not irrigated at all. These 2 million acres have a mean value of £25 per acre, and are worth £50,000,000.
Page 27 - ... 1904. fol. Pp. 20). The object of this study was to collect existing data as to the changes of level of the lake, and to endeavour to trace from these data the oscillations of the lake during the last twenty or thirty years. Two rainy and two dry seasons make up the year in the Victoria Lake basin, the rains coinciding more or less with the equinoxes, and the dry seasons with the solstices, except that the second, or minor, rains are delayed one or two months after the autumn equinox. The rainfall...
From Google Scholar
Martin A J Williams, Donald Adamson, Bryan Cock, Rosanna McEvedy - 2000 - Global and Planetary Change
JV Wehausen, A Mansour, MC Ximenes, F Stross - 1988 - International Journal of Nautical Archaeology
JSTOR: The Nile in 1904