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Säynäslahdenpuro Stormwater Wetlands

Discover
Places to see

Finland

Southern Finland

Helsinki

Säynäslahdenpuro Stormwater Wetlands

Säynäslahdenpuro Stormwater Wetlands

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    Top cycling routes to Säynäslahdenpuro Stormwater Wetlands

    5.0

    (5)

    89

    riders

    1. Isoisänsilta Bridge – Gravel Path by the Water loop from Siilitie

    41.1km

    02:39

    200m

    Expert bike ride. Good fitness required. You may need to push your bike for some segments of this route.

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    Expert

    Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

    Easy

    Expert bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

    Expert

    Tips

    May 26, 2025

    Land-use change in urban areas from natural to impervious surfaces such as roofs, paved yards and asphalt roads prevents water infiltration and storage within the watershed. Runoff travels quickly over impervious surfaces collecting and carrying everything from surfaces to catch basins and sewers. Impacts visible at the storm sewer outlets to urban streams include flooding, drought and erosion. Depending on land-use within the watershed, runoff carries harmful substances such as nutrients, heavy met- als, oils and rubbish. The receiving water body suffers from habitat degradation while the impervious and drained watershed often experiences draught and heat.

      May 26, 2025

      A stormwater wetland is a constructed transitional landscape between water and dry land. Wetlands are natural water detention and purification landscapes. Constructed wetlands are thus established to compensate for challenges to water environment brought about by land-use change. Urban wetlands dissipate and detain runoff thereby preventing flooding and drought extremes. Water quality is mitigated through

      sediment settling, and purification of soluble pollutants by wetland plants, microbes and soils. Diversity of plants and their associated microbes is a key element in purifying urban waters.

        May 26, 2025

        Diverse vegetation is also resilient and adapts to changes in land-use and variation in weather conditions. The extent of the services that wetlands provide to people depend on wetland design and well-being, as well as on land-use within the contributing watershed and weather dependent pollutant loads. Constructed wetlands typically consist of a flow dissipating and heavy sediment settling inlet pond, a vast shallow emergent plant covered wetland, and a sediment settling outlet pond. The Säynäslanhdenpuro Wetland consists of three parallel research wetlands with flow and pollutant load monitoring facilitating outlet dams.

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          Elevation 0 m

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          Today

          Monday 15 September

          16°C

          14°C

          100 %

          If you start your activity now...

          Max wind speed: 28.0 km/h

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          Location: Helsinki, Southern Finland, Finland

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