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The Case Study of Pirkanmaa Tom Frisk, Ämer Bilaletdin, Heikki Kaipainen & Jari Rauhala

The Case Study of Pirkanmaa Tom Frisk, Ämer Bilaletdin, Heikki Kaipainen & Jari Rauhala Pirkanmaa Regional Environment Centre Tampere, Finland. P I R K A N M A A R E G I O N A L E N V I R O N M E N T C E N T R E. River Kokemäenjoki drainage basin. Tampere. Helsinki.

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The Case Study of Pirkanmaa Tom Frisk, Ämer Bilaletdin, Heikki Kaipainen & Jari Rauhala

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  1. The Case Study of Pirkanmaa Tom Frisk, Ämer Bilaletdin, Heikki Kaipainen & Jari Rauhala Pirkanmaa Regional Environment Centre Tampere, Finland P I R K A N M A A R E G I O N A L E N V I R O N M E N T C E N T R E

  2. River Kokemäenjoki drainage basin Tampere Helsinki Pirkanmaa = Tampere Region Pirkanmaa Regional Environment Centre (PREC) is a governmental environment authority for Tampere Region. P I R K A N M A A R E G I O N A L E N V I R O N M E N T C E N T R E

  3. Regional seminars for stakeholders (January 24-25, November 29, 2006, April, October 2007) International ASTRA workshop in Tampere, February 15-16, 2007) A case study concerning the effects of climate change on nutrient transport P I R K A N M A A R E G I O N A L E N V I R O N M E N T C E N T R E

  4. River Kokemäenjoki drainage basin Tampere Helsinki INTRODUCTION In the case study, the impacts of climate change on nutrient (P, N) flows into lakes and to the Baltic Sea from the drainage basin of River Kokemäenjoki are estimated. Eutrophication of the Baltic Sea and inland waters is a major environmental problem in Finland. The reason for eutrophication is increased input of nutrients. Both phosphorus and nitrogen are important. In lakes, phosphorus is a more important eutrophying factor, whereas in the Baltic Sea nitrogen is generally considered to be more important.

  5. GCM • HadAM3H • ECHAM4/OPYC3 TEMPERATURE PRECIPITATION EVAPORATION WSFS (FEI) CATCHMENT AREA LAKE PERCENTAGE SLOPE SOIL TYPE COVER TYPE AGRICULTURE WATER PROTECTION FORESTRY RUNOFF SOIL FROST SOIL MOISTURE DIRECT INFLUENCE GENERAL SCENARIOS CONSTANT DATA ASSESSED NUTRIENT LOADING IN CLIMATE CHANGE

  6. 28 sub-catchments • 2 lake basins • 5 river sections • Advection-diffusion • Semi-distributed • Time step 1 day

  7. Daily averages 700 Present Climate HadAM3H A2 600 HadAM3H B2 ECHAM/OPYC3 A2 500 ECHAM/OPYC3 B2 400 -1 s 3 m 300 200 100 0 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Discharge at the outlet of River Kokemäenjoki catchment

  8. Discharge at the outlet of River Kokemäenjoki catchment

  9. Monthly relative changes to discharge from River Kokemäenjoki catchment to Baltic Sea

  10. To implement water quality (simulations) into the modelling system i.e. Integration of hydrological, nutrient loading and lake & river section models Next Step

  11. Dziękuję Tom Frisk Ämer Bilaletdin Heikki Kaipainen Jari Rauhala Pirkanmaa Regional Environment Centre P.O. Box 297 FIN-33101 Tampere Finland Telephone +358 20 490 104 Telefax +358 20 490 4000 Email: tom.frisk@ymparisto.fi emir.bilaletdin@ymparisto.fi heikki.kaipainen@ymparisto.fi jari.rauhala@ymparisto.fi URL www.environment.fi/pir

  12. Temperature and precipitation changes in River Kokemäenjoki catchment (RCAO)

  13. the Rossby Centre coupled Regional Climate Model RCAO two Global Climate Models : HadAM3H and ECHAM4/OPYC3 and emissions scenarios (SRES A2 and B2). Climate modelling

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