Dowstream passage at hydropower dams First steps in Finland

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Kirsti Juusonen
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1 Dowstream passage at hydropower dams First steps in Finland Jaakko Erkinaro et al. Natural Resources Institute Finland Kuva: Ville Vähä Luonnonvarakeskus Luonnonvarakeskus

Four rivers in focus River Kemijoki (51 000 km 2, MQ 556 m 3 /s) 5 dams below the

fishways, 4 fishways needed to reach the production areas River Iijoki (14 191km

fishways, 5 fishways needed to reach the production areas River Oulujoki (22

tributaries potential (50km from the sea) 1 fishway in the lowermost dam, several

2 Four rivers in focus River Kemijoki ( km 2, MQ 556 m 3 /s) 5 dams below the free-flowing tributary, the River Ounasjoki (120km from the sea) 1 dam with fishways, 4 fishways needed to reach the production areas River Iijoki (14 191km 2, MQ 174 m 3 /s) 5 dams below the free-flowing reaches (50km from the sea) No fishways, 5 fishways needed to reach the production areas River Oulujoki (22 841km 2, MQ 259 m 3 /s) Multiple dams in the main stem and headwaters, only few tributaries potential (50km from the sea) 1 fishway in the lowermost dam, several needed River Kymijoki (36 275km 2, MQ 301 m 3 /s) 1 fishway needed to reach the production areas

OTVA-project at the River Iijoki 2016-2018 Hydrological measurements and hydraulic 3D-modeling at all (5)

3 OTVA-project at the River Iijoki Hydrological measurements and hydraulic 3D-modeling at all (5) HPPs Smolt telemetry experiment at one dam 2017 A general downstream passage plan for all dams 2018

4 Topography of the head pond of the Haapakoski HPP in Iijoki

5 Fact finding, networking, learning Kuva: Rory Saunders

6 Fact finding, networking, learning Kuva: Rory Saunders

7 Next steps? Lessons learned, plans stemming from the OTVA project at the Iijoki river Plans, decisions for the first guidance structure Purchase, construction of the hardware logistics, responsibilities? Testing, experimenting Experiments with telemetry-tagged smolts

8 Draft flow of actions Päiväys Iijoen Haapakosken alasvaelluspilotti Toimenpiteiden aikataulutus, vastuutus ja rahoitus Toimenpide tarkennus Vastuutahot Tekijä 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q Patoaltaan mittaukset Luke? X Patoaltaan mallinnus Luke Fortum/M. Lahti X X Hankesuunnitelma POPELY/LUKE/PVO X X Kärkihankehakemus Otva/POPELY X Otva/POPELY/ET/Fortum/PVO/Kejo/ Rahoitusneuvottelut Sateenvarjo 3? OE X X X Yhteistyösopimukset Otva/POPELY/ET/Fortum/PVO/Kejo/ OE X Alasvaeltavien poikasten seuranta nykytilassa Luke Seuranta Luke X X? Raportointi ja johtopäätökset Luke X X Rakenteen suunnittelu (oma vs valmisratkaisu?) POPELY/LUKE /PVO Innovaatiokilpailutus (!?) POPELY/PPLiitto X Kellukerakenne POPELY/LUKE /PVO konsultti x X X Ankkurointi POPELY/LUKE /PVO konsultti x X X Ohjainrakenne POPELY/LUKE /PVO konsultti x X X X X Keräilylaite/ohjaus?! POPELY/LUKE /PVO konsultti x X X X X Excursio POPELY/LUKE /PVO/konsultti x X Esisuunnitelma ja vesilupahakemus PVO/POPELY POPELY X Valmistus (oma vs valmisratkaisu?) POPELY/LUKE /PVO X X X kilpailutus POPELY/LUKE /PVO X valmistus/tilaus POPELY/? Toimittaja x X X X Asennus Maakunta/PVO/Luke Asennus Maakunta/PVO/Luke Toimittaja x/urakoitsija x X X Nosto ja varastointi Maakunta/PVO/Luke Urakoitsija x X X Koekäyttö Luke/Maakunta/PVO tutkimussuunnitelma Luke Luke X Koekäyttö/kiinniotto/siirto Luke/Maakunta/PVO Luke X X Raportointi ja johtopäätökset Luke Luke X

9 Simplified flow of actions OTVA Smolt telemetry Funding OK OTVA DS passage plan Funding OK Guidance planning, purchase Funding OK Guidance installation Funding OK Smolt telemetry experiments Funding???

10 Co-operative research programmes in the past: Umbrella Downstream passage, pilot experiments Smolt stocking, time and place Fishway functionality Reared-wild fish ratios at the terminal fishing areas Location criteria for fishways Translcoated salmon: spawning site selection and reproductive success Umbrella Smolt migration in two large rivers: a regulated and an unregulated one Environmental flow vs. salmon life history and restoration; case Iijoki Fishway functionality: attraction flow and adjusted use of turbines Restoration of the River Kymijoki salmon population; connectivity issues Funding Power companies: Fortum, Kemijoki Oy, PVO-vesivoima Oy, Oulun Energia, UPM, Kolsin Voima, HELEN, SLL (= Fortum s fund for eco electricity) Finnish Energy, Environment pool Ministry of Agriculture and Forestry Own contribution (RKTL, LUKE) Luonnonvarakeskus

11 Co-operative research programmes in future? Umbrella Downstream passage of smolts: telemetry experiments at guidance structure(s) learning, experimenting, adjustments, optimization? Other topics? Funding??. Luonnonvarakeskus

12 Kuva: Ville Vähä

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