8a | Plastic Pirates

3 November 2023

Cieceres upe

Kalnsētas parks

Location coordinates: 56.6 22.5

Group A

Average waste per m² in all riverside zones

Foreshore (Average waste per m²)

0.9

Backshore (Average waste per m²)

Riverbank crown (Average waste per m²)

0.43

Group B

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

Weight of all waste including plastic in kg

6.75

Group C

Flow velocity of the river (meters per second)

49.2

River width in m

7.3

Total number of floating waste

Larger Microplastics per 1,000 liters of river water

Larger Microplastics per m² of the riverbank

8a