21 November 2023

Ribeira de Gondim

Arouca

Location coordinates: 40.931467 -8.254617

Group A

Average waste per m² in all riverside zones

2,11

Foreshore (Average waste per m²)

6.27

Backshore (Average waste per m²)

0.86

Riverbank crown (Average waste per m²)

Group B

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

Weight of all waste including plastic in kg

1.493

Group C

Flow velocity of the river (meters per second)

0.63

River width in m

2.65

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-10ºA

NE MULASSZON EL SEMMIT A PLASTIC PIRATES AKCIÓKBÓL!