21 November 2023

Ribeira de Gondim

Arouca

Location coordinates: 40.925184 -8.261412

Group A

Average waste per m² in all riverside zones

1,76

Foreshore (Average waste per m²)

27.3

Backshore (Average waste per m²)

Riverbank crown (Average waste per m²)

1.4

Group B

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

Weight of all waste including plastic in kg

2.835

Group C

Flow velocity of the river (meters per second)

0.35

River width in m

2.30

Total number of floating waste

Larger Microplastics per 1,000 liters of river water

Larger Microplastics per m² of the riverbank

Escola Secundária de Arouca - 10C

VERPASSE NICHTS RUND UM DIE AKTIONEN DER PLASTIC PIRATES!