im Sommer 1904 auf die biologischen Verhältnisse der Elbe bei Hamburg. 9] 
1904 1905 1904 1905 
Hoch- | Niedrig-| Hoch- | Niedrig- Hoch- | Niedrig- Hoch- Niedrig 
wasser | wasser | wasser | wasser wasser ee wasser | wasser | wasser 
| 2,600 3,560 | 2,685 2,580 
17. J 4,160 | 5,510 24. 4,140 | 
| | 2,520 3,235 | | 2,590 4,330 | 
4,320 5,295 4,550 | 2,430 
| \ 2,500 2,990 | | 2,620 4,210 
ıs. | 4,9355 | 95. } 4,410 | 2,610 
| 4,220 | 2,815 | | 2,580 4,635 
2,420 4,950 1,700 
| 3,970 2,730 | 2,730 4,825 
19. |: ' 2,850 4,495 | 96. [| s 2,910 
| 4,160 | 2,160 | 2,820 5,050 
2,390 4,650 | 4,920 2,910 
4,050 2,660 | 2,860 4,960 
20. |: 2,430 4,720 | 97. 4,750 | 2,910 
| 4,220 2,790 | 2,780 5,020 
2,100 5,040 4,320 | 2,885 
| 4,060 | | 2,950 | 2,800 5,000 
91.1: 2,110 4,730 98. 4,730 
| 4,260 Eat | 2775 | 2,920 
| 2,430 4,560 4,800 | 5,005 | 
| 4,150 | | 9,025 | 2,810 2,810 
99.1: 2,170 4,490 | 29, J 4,670 | 4,815 | 
| | 4,320 | 2,615 2,740 2,800 
2,480 4,540 4,670 | 5,020 
| 4,360 | 2,695 2,765 
99, . 4,560 | 30. [4 4680 | 5,050 | 
| 2,640 2,645 2,790 | 3,130 
4,705 4,360 | 4,120 | 5,960 | 
Tägliche Wasserstände der Elbe 
vom 1.—10. Oktober. 
2,820 3,740 | 4,940 | 3,660 
1 4,690 | 6,130 al 3,070 5,815 
i | 2,390 3,860 = a0 3,850 
4,955 6,090 | 5,150 6,060 
| 3,205 3,510 | 7,115 | | 3,910 
9, |} 9080 h 5,570 a 4,320 $ | 
3,140 3,315 | 6,020 5,570 
4,905 5,785 3,380 3,325 
| 3,015 3,390 | 5,555 | 5,020 
3.1. 4,75 | 5,635 8 | \ 3,020 
" | 2,800 3,310 >: | 3,340 5140 | 
4,460 5,610 5,585 2,950 
2,845 3,230 4,390 
4 5,230 o|# 5,4 | \ 3,020 
“1 | 4,635 2,760 2 | | 3,210 5,580 
5,330 5,430 | 3,305 
| 4,550 3,3 | 2,910 5,140 
Sal 2,960 5,660 | 10. | 4,960 3,050 
i | 3,490 ö | | 2,70 5,130 
3,215 5,650 5,170 | 2,885 
m Et N 
