Framework development for implementing a nature-based solution in Lappeenranta
Russo Vieira, Júlia (2026)
Diplomityö
2026
School of Energy Systems, Ympäristötekniikka
Kaikki oikeudet pidätetään.
Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi-fe2026031119226
https://urn.fi/URN:NBN:fi-fe2026031119226
Tiivistelmä
Urban stormwater management faces increasing pressure due to climate change and urbanization, which can intensify precipitation patterns and increase the risk of flooding. Nature‑based solutions (NBS) offer a sustainable alternative to traditional grey infrastructure, while providing additional ecosystem benefits.
This thesis presents a multi‑criteria framework designed to identify suitable locations for implementing NBS for stormwater management in Lappeenranta, Finland. The framework includes a set of criteria and scenario‑based weighting, allowing the evaluation of thirty sites across the city. The results show that the most suitable areas were those capable of providing multiple benefits, such as reducing flood and sewer loads and strengthening green connectivity, rather than locations facing a single dominant challenge. A recently built nature-based solution in the city was also evaluated. Although it did not rank among the top sites, it is located near an area with stronger overall performance.
The framework demonstrates strong flexibility and replicability and can support urban planners in prioritizing NBS locations to enhance urban resilience and sustainability.
This thesis presents a multi‑criteria framework designed to identify suitable locations for implementing NBS for stormwater management in Lappeenranta, Finland. The framework includes a set of criteria and scenario‑based weighting, allowing the evaluation of thirty sites across the city. The results show that the most suitable areas were those capable of providing multiple benefits, such as reducing flood and sewer loads and strengthening green connectivity, rather than locations facing a single dominant challenge. A recently built nature-based solution in the city was also evaluated. Although it did not rank among the top sites, it is located near an area with stronger overall performance.
The framework demonstrates strong flexibility and replicability and can support urban planners in prioritizing NBS locations to enhance urban resilience and sustainability.