27 October 2022

Alster

Hamburg

Location coordinates: 53.8791667 10.0711111

Group A

Average waste per m² in all riverside zones

0.33

Foreshore (Average waste per m²)

0.38

Backshore (Average waste per m²)

0.29

Riverbank crown (Average waste per m²)

0.33

Group B

Total number of waste items found (including single-use plastic)

115

Weight of all waste including plastic in kg

4.15

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

5b Gymnasium Harksheide

NON PERDETEVI NULLA DELLE CAMPAGNE DEI PLASTIC PIRATES!