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  Tel. 358 (0)8 553 4490
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University of Oulu
WATER RESOURCES AND ENVIRONMENTAL ENGINEERING LABORATORY

Anna-Kaisa Ronkanen
Researcher/Lecturer
D.Sc.(Tech.)

Tel: 358 (0)8 553 4392
Mobile:
Fax: 358 (0)8 553 4507
Email: anna-kaisa.ronkanen(at)oulu.fi
Office: PR 345

Research interests :

  • wastewater and peat harvesting runoff treatment with constructed wetlands
  • use of stabile isotopes and tracers in flow pattern studies
  • modelling phosphorus processes in peat
  • hydraulic properties of peat

Education:

  • Doctor of Technology in Environmental Engineering, 2009, University of Oulu (Thesis)

  • Master of Science in Physics 2003, University of Oulu

Hobbies:

  • riding
  • jogging with my dog

Publications:

Articles

Ronkanen, A.-K. 2009. Missä vesi suolla virtaa? Uutta pintavalutuksesta. Vesitalous 1/2009, 14-15.

Ronkanen, A.-K. & Kløve, B. 2009. Long-term phosphorus and nitrogen removal processes and preferential flow paths in Northern constructed peatlands. Ecological Engineering 35(5), 843-855.


Ronkanen, A.-K. & Kløve, B. 2008. Hydraulic and flow modelling of water treatment wetlands constructed on peatlands in Northern Finland.
Water Research 42(14), 3826-3836.

Ronkanen, A.-K. & Kløve, B. 2007. Use of stabile isotopes and tracers to detect preferential flow patterns in a peatland treating municipal wastewater. Journal of Hydrology, 347(3-4), 418-429.

Ronkanen, A.-K. & Kløve, B. 2005. Hydraulic soil properties of peatlands treating municipal wastewater and peat harvesting runoff. Suo, Peat and Mires 56(2), 43-56.


Reports

Karjalainen, S.M. & Ronkanen, A.-K. (Eds.) 2005. Kosteikot Lakeuden keskuspuhdistamolta ja Rukan puhdistamolta tulevien vesien jälkikäsittelyssä: PRIMROSE-projektin (2001-2003) tulokset. Summary: Wetlands polishing water from Central municipal treatment plant of Lakeus and Wastewater treatment plant of Ruka - Results from PRIMROSE project (2001-2003). Regional Environmental Publications 401, 98 p.

Mikkonen, A.-K. 2003. Turvepohjaisten pintavalutuskenttien hydrauliikka. Summary: The hydraulics of the peat-based overland flow wetlands. M.Sc Thesis, University of Oulu, 65 p.


Conference and seminar presentations

Ronkanen, A.-K. Marttila, H. Tähtinen, P. Marja-aho, J. Kalliokoski, K. & Kløve B. 2009. Benefits of flow management on the function and purification efficient of treatment peatlands: preliminary results. 3rd Wetland Pollutant Dynamics and Control - WETPOL 2009, Barcelona, Spain, 20th -24th September 2009. 207-208

Karjalainen, S. M. Ronkanen, A.-K. Heikkinen, K. & Kløve B. 2009. Retention of P, Al and Fe in peaty wetland. Wetland Pollutant Dynamics and Control - WETPOL 2009, Barcelona, Spain, 20th -24th September 2009. 203-204


Kløve, B., Ronkanen, A.-K., Karjalainen, S.M. & Marttila, H. 2006. Fosforin pidätysprosessit kosteikkojen maaperässä. Seminaari 19.1-20.1.2006: Veden ja aineiden kulkeutumisprosessien kuvaus ja mallintaminen ympäristönhoitohankkeissa, Oulun yliopisto, Vesi- ja ympäristötekniikan laboratorio.

Ronkanen, A.-K. Tähtinen, P. & Kløve B. 2005 Purification efficiency and dimensioning of wetlands constructed on peatlands in Northern Finland. WETPOL 2005, Ghent, Belgium, 5-9 September 2005.

Ronkanen, A.-K. & Kløve, B. 2005. Kosteikkojen hydrologia ja hydrauliikka - suokosteikot. Kosteikko seminaari SYKE: Vesiensuojelukosteikot maa- ja metsätaloudessa, turvetuotannossa ja yhdyskuntien jätevesien käsittelyssä. 31.5.-1.6.2005 Suomen ympäristökeskus.

Ronkanen, A.-K., Karjalainen, S.M. & Kløve, B. 2005. Turvekosteikkojen käyttö yhdyskuntajätevesien jälkikäsittelyssä - puhdistustehokkuus. Kosteikko seminaari SYKE: Vesiensuojelukosteikot maa- ja metsätaloudessa, turvetuotannossa ja yhdyskuntien jätevesien käsittelyssä. 31.5.-1.6.2005 Suomen ympäristökeskus.

Kløve, B. French, H., Kvæner, J. & Mikkonen, A-K. 2003. Modelling flow and transport processes in wetlands: potential use commercial groundwater models in estimating hydrology of wetlands/peatlands, Ecohydrological Processes in Northern Wetlands, Selected papers of International Conference & Educational Workshop, Tallinn, Estonia, pp. 18-24

Heikkinen, K., Karjalainen, S.M., Kløve, B., Mikkonen, A-K., Kaasinen, E., Ihme, R. & Väisänen, T. 2003. Factors affecting the purification efficiency of wetlands constructed on minerothrophic peatlands in Northern Europe, Constructed and Riverine Wetlands for Optimal Control of Wastewater at Catchment Scale, Publicationes Intituti Geographici Universitatis Tartuensis 94, pp. 99-101


Poster presentations

Sallanko, J., Ronkanen, A.-K., & Lakso, E. 2005. Experiments of using wetlands to boost wastewater treatment. 6th International Conference and Exhibition 10th - 12th may 2005, Association of Wastewater Treatment Experts of the Czech Republic, pp.199-202.

Koskiaho, J., Hallikainen, S., Mikkonen, A.-K., Röpelinen, J., Pesälä, L. & Väisänen, T.S. 2003. Hydraulic load and sedimentation of suspended solids in a constructed wetland treating secondary wastewater, Constructed and Riverine Wetlands for Optimal Control of Wastewater at Catchment Scale, Publicationes Intituti Geographici Universitatis Tartuensis 94, pp. 255-256.

Mikkonen, A-K., & Klöve, B. 2002. Measurement of peatland hydraulic properties for determination of effective flow depth. Poster NJF Seminar No. 339 Agrotechnical systems for water management, Jurmala, Latvia, 12.-15.9. 2002. Book of Abstracts; Jordforsk report 50/02.

Staff

Professors
> Bjørn Kløve,
   lab director
> Kauko Kujala
  
Senior researchers
> Anna-Kaisa Ronkanen,
   university lecturer
> Jarmo Sallanko,
   lab.engineer

PostDoc
Hannu Marttila
   researcher

Guest researchers
     Ahmet Celebi

PhD candidates
Pertti Ala-aho
> Ali Torabi Haghighi
> Elisangela Heiderscheidt
> Masoud Irannezhad
> Pirkko Mustamo
> Shähram Mohämmädighävam
> Heini Postila
> Pekka Rossi
> Tuomas Saarinen
> Simo Tammela
Tapio Tuukkanen

External PhD candidates
  Hannu Aurinko
  Soile Backnäs
  Satu Maaria Karjalainen
  Minna Koivula

Laboratory technicians
> Tuomo Pitkänen
> Leila Polus
Tuomo Reinikka
Paavo Vehkomäki

Docents
   Raimo Ihme
> Jarmo Sallanko