Zero is R. L. 85·00 metres or mean low water level.
Table XLII.—Table giving areas of cross sections of the Nile, from Assuân to Cairo.
| Locality. | Length in kilo- metres. | MEAN AREA IN SQUARE METRES | |||||
|---|---|---|---|---|---|---|---|
| Below zero. | Below 6 metres. | Below 7 metres. | Below 8 metres. | Below 8.5 metres. | Below 9 metres. | ||
| Assuân to Ramâdi | 81 | 1024 | 4930 | 5808 | 6754 | 7337 | 7993 |
| Ramâdi to Esna | 76 | 674 | 4554 | 5461 | 6398 | 6966 | 7695 |
| Esna to Kena | 115 | 852 | 4476 | 5336 | 6221 | 6726 | 7363 |
| Kena to Sohâg | 158 | 973 | 4718 | 5600 | 6535 | 7121 | 7873 |
| Sohâg to Assiout | 98 | 1037 | 5220 | 6305 | 7705 | 8683 | 9749 |
| Assiout to Minia | 138 | 899 | 5149 | 6205 | 7783 | 8845 | 9937 |
| Minia to Beni-Suêf | 117 | 915 | 5035 | 6007 | 7315 | 8196 | 9140 |
| Beni-Suêf to Koshesha | 34 | 665 | 5040 | 6080 | 7532 | 8379 | 9247 |
| Koshesha to Cairo | 81 | 1031 | 5364 | 6388 | 7813 | 8648 | 9495 |
| Cairo to the Barrage | 24 | 1402 | 5414 | 6628 | 8346 | 9258 | 10184 |
| Assuân to Assiout | 528 | 920 | 4760 | 5680 | 6690 | 7310 | 8080 |
| Assiout to Koshesha | 289 | 870 | 5080 | 6100 | 7550 | 8510 | 9520 |
| Koshesha to Cairo | 81 | 1030 | 5360 | 6380 | 7810 | 8640 | 9490 |
| Assuân to Cairo | 898 | 910 | 4930 | 5890 | 7080 | 7830 | 8690 |
Table XLIII.—Table of the cubic contents of the trough of the Nile from Assuân to Cairo in millions of cubic metres.
| Locality. | Length in kilo- metres. | CONTENTS IN MILLIONS OF CUBIC METRES | CONTENTS IN MILLIONS OF CUBIC METRES | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Below zero. | From zero to 6.0 | From 6.0 to 7.0 | 7.0 to 8.0 | 8.0 to 8.5 | 8.5 to 9.0 | Below zero. | Below 6.0 | Below 7.0 | Below 8.0 | Below 8.5 | Below 9.0 | ||
| Assuân to Ramadi | 81 | 83 | 316 | 711 | 77 | 47 | 53 | 83 | 399 | 470 | 547 | 594 | 647 |
| Ramadi to Esna | 76 | 51 | 295 | 69 | 71 | 43 | 56 | 51 | 346 | 415 | 486 | 529 | 585 |
| Esna to Kena | 115 | 98 | 417 | 99 | 102 | 58 | 73 | 98 | 514 | 614 | 715 | 773 | 847 |
| Kena to Sohag | 128 | 154 | 592 | 139 | 148 | 83 | 119 | 154 | 745 | 885 | 1032 | 1125 | 1244 |
| Sohag to Assiout | 98 | 102 | 410 | 106 | 137 | 96 | 104 | 102 | 512 | 618 | 755 | 851 | 955 |
| Assiout to Minieh | 138 | 124 | 586 | 146 | 218 | 147 | 151 | 124 | 710 | 856 | 1074 | 1220 | 1371 |
| Minieh to Beni Suêf | 117 | 107 | 482 | 114 | 153 | 103 | 110 | 107 | 589 | 703 | 856 | 859 | 1069 |
| Beni Suêf to Kushesha | 34 | 23 | 149 | 35 | 49 | 29 | 29 | 23 | 171 | 207 | 256 | 285 | 314 |
| Kushesha to Cairo | 81 | 84 | 351 | 83 | 115 | 68 | 69 | 84 | 434 | 517 | 633 | 700 | 769 |
| Cairo to the Barrage | 28 | 34 | 96 | 29 | 41 | 22 | 22 | 34 | 130 | 159 | 200 | 222 | 244 |
| Assuân to Assiout | 528 | 487 | 2030 | 484 | 534 | 327 | 405 | 487 | 2517 | 3001 | 3535 | 3862 | 4267 |
| Assiout to Kushesha | 289 | 254 | 1217 | 295 | 420 | 278 | 291 | 254 | 1471 | 1766 | 2186 | 2464 | 2755 |
| Kushesha to Cairo | 81 | 84 | 351 | 83 | 115 | 68 | 69 | 84 | 435 | 518 | 633 | 701 | 770 |
| Assuân to Cairo | 898 | 825 | 3598 | 862 | 1069 | 673 | 765 | 825 | 4423 | 5285 | 6354 | 7027 | 7792 |
Table XLIV.—Widths of water surface from Assuân to Cairo.
| From. | To. | Mean width of water surface | |||||
|---|---|---|---|---|---|---|---|
| 0 | 6·0 | 7·0 | 8·0 | 8·5 | 9·0 | ||
| Assuân | Ramadi | 400 | 840 | 880 | 1030 | 1270 | 1400 |
| Ramadi | Esna | 340 | 850 | 890 | 1030 | 1260 | 1620 |
| Esna | Kena | 350 | 820 | 850 | 940 | 1120 | 1400 |
| Kena | Sohag | 380 | 870 | 890 | 1000 | 1300 | 1560 |
| Sohag | Assiout | 400 | 1000 | 1170 | 1720 | 2080 | 2170 |
| Assiout | Minieh | 390 | 970 | 1180 | 1890 | 2060 | 2080 |
| Minieh | Beni Suêf | 490 | 960 | 1300 | 1550 | 1800 | 1840 |
| Beni Suêf | Kushesha | 500 | 1000 | 1390 | 1690 | 1720 | 1730 |
| Kushesha | Cairo | 450 | 960 | 1100 | 1570 | 1700 | 1700 |
| Cairo | Barrage | 440 | 940 | 1460 | 1840 | 1860 | 1890 |
| Assuân | Assiout | 370 | 880 | 940 | 1140 | 1410 | 1630 |
| Assiout | Kushesha | 460 | 980 | 1290 | 1710 | 1860 | 1880 |
| Kushesha | Cairo | 450 | 960 | 1100 | 1570 | 1700 | 1700 |
| Assuân | Cairo | 430 | 940 | 1110 | 1470 | 1660 | 1740 |
| Area of water surface in millions of square metres. | |||||||
| Assuân | Assiout | 200 | 470 | 500 | 600 | 740 | 860 |
| Assiout | Cairo | 130 | 280 | 370 | 490 | 540 | 540 |
| Assuân | Cairo | 400 | 840 | 1000 | 1320 | 1490 | 1560 |
Table XLV.—Slope of water surface in the Nile. Assuân to Cairo.
| From. | To. | Distance in kilo- metres down the centre line of the flood. | Distance in kilo- metres down the summer channel. | Slope in flood. | Slope in summer. |
|---|---|---|---|---|---|
| Assuân | Silsila | 70 | 72 | 1⁄11500 | 1⁄12600 |
| Silsila | Kasr-es-Saad | 250 | 258 | 1⁄14800 | 1⁄14800 |
| Kasr-es-Saad | Khazindaria | 150 | 159 | 1⁄12300 | 1⁄13400 |
| Khazindaria | Assiout | 60 | 63 | 1⁄11800 | 1⁄14500 |
| Assiout | Beni Mazâr | 180 | 196 | 1⁄11000 | 1⁄11800 |
| Beni Mazâr | Ashmant | 90 | 94 | 1⁄11000 | 1⁄11400 |
| Ashmant | Cairo | 100 | 106 | 1⁄11600 | 1⁄12300 |
| Cairo | Barrage | 23 | 25 | 1⁄10800 | 1⁄20000 |
| Assuân | Cairo | 900 | 948 | 1⁄12200 | 1⁄13000 |