Hydrodynamic modeling of a complex urban lakes system in nordic region
Tehseen, Asfand (2022-07-20)
Tehseen, Asfand
A. Tehseen
20.07.2022
© 2022 Asfand Tehseen. Ellei toisin mainita, uudelleenkäyttö on sallittu Creative Commons Attribution 4.0 International (CC-BY 4.0) -lisenssillä (https://creativecommons.org/licenses/by/4.0/). Uudelleenkäyttö on sallittua edellyttäen, että lähde mainitaan asianmukaisesti ja mahdolliset muutokset merkitään. Sellaisten osien käyttö tai jäljentäminen, jotka eivät ole tekijän tai tekijöiden omaisuutta, saattaa edellyttää lupaa suoraan asianomaisilta oikeudenhaltijoilta.
Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi:oulu-202207203271
https://urn.fi/URN:NBN:fi:oulu-202207203271
Tiivistelmä
This thesis focuses on two lakes (Pyykosjarvi and Kuivasjarvi) located in a suburban area of Oulu, Finland. This analysis aimed to model water circulation between two lakes and provide possible solutions for reducing the residence time from one lake to another, eventually improving the water quality, as these lakes suffer water quality problems due to poor drainage. Two-dimensional hydrodynamic modeling was applied to resolve this problem by implementing channel modification to the actual terrain. Modified terrain is then analyzed for the hydrological response of the basin (as discharge) to short rainfall of 5, 10, 50 and 100 years return period to observe the catchment response to changes.
It is evident from the results acquired through hydrodynamic modeling that channel modification can reduce residence time between two lakes. Moreover, catchment response to rainfall scenarios showed exceptional results with almost no flooding with changes introduced compared to the actual conditions. These modifications can help improve water quality in both lakes as a conveyance in the system ameliorates.
It is evident from the results acquired through hydrodynamic modeling that channel modification can reduce residence time between two lakes. Moreover, catchment response to rainfall scenarios showed exceptional results with almost no flooding with changes introduced compared to the actual conditions. These modifications can help improve water quality in both lakes as a conveyance in the system ameliorates.
Kokoelmat
- Avoin saatavuus [32009]