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14 November 2023
Die Alster
Alster Tal Hamburg
Location coordinates: 53.629708 10.033167

Group A

Average waste per m² in all riverside zones
3
Foreshore (Average waste per m²)
0.95
Backshore (Average waste per m²)
0
Riverbank crown (Average waste per m²)
0.48

Group B

Total number of waste items found (including single-use plastic)
45
Weight of all waste including plastic in kg
272.3

Group C

Flow velocity of the river (meters per second)
-
River width in m
-
Total number of floating waste
-
Larger Microplastics per 1,000 liters of river water
-
Larger Microplastics per m² of the riverbank
-
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