secret nature in the city - green roofs in oslo, norway

University College of Southeast Norway Marina Bakhtina 20-01-2017

Secret Nature in the CityGreen roofs

Exhibition presentationby Marina Bakhtina

Master of Environmental Science

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Stammen Cafe 20-01-2017

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Introduction

Photo from Sørenga disctrict, Oslo

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University College of Southeast Norway Marina Bakhtina 20-01-2017 5Photo from Barcode project, Oslo

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University College of Southeast Norway Marina Bakhtina 20-01-2017

What is a green roof ?

Photo of the roof from http://www.purlin-rollformingmachine.com/

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University College of Southeast Norway Marina Bakhtina 20-01-2017

What is a green roof ?

Photo on the roof of Barcode project, Oslo

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University College of Southeast Norway Marina Bakhtina 20-01-2017

Extensive Semi-intensive Intensive

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Classification

Illustration: www.zinco-greenroof.co.uk Illustration: www.bergen.kommune.no

University College of Southeast Norway Marina Bakhtina 20-01-2017

Green roof structure

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Illustration: http://designmeans.com/work/illustration/green_roof.html

University College of Southeast Norway Marina Bakhtina 20-01-2017

Why do we need green roofs?

Benefits of green roofs

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University College of Southeast Norway Marina Bakhtina 20-01-2017

Reduces run-off

Picture from book Living Roofs in Integrated Urban Water Systems

University College of Southeast Norway Marina Bakhtina 20-01-2017

New Habitat

Photo on the roof, Oslo

University College of Southeast Norway Marina Bakhtina 20-01-2017

New Habitat

Photo on the roof, Oslo

University College of Southeast Norway Marina Bakhtina 20-01-2017

Additional space

Photo on the roof of Sørenga, Oslo

University College of Southeast Norway Marina Bakhtina 20-01-2017

Additional space

Photo on the roof of Sørenga I, Oslo

University College of Southeast Norway Marina Bakhtina 20-01-2017

Solar panels

Green roofs can be combined with solar panels

University College of Southeast Norway Marina Bakhtina 20-01-2017

Benefits▹ Dust Binding

▹ Improving of the Microclimate

▹ Protection of the Roof Membrane

▹ Noise Protection

▹ Reduction of Energy Costs

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Where are the green roofs?

University College of Southeast Norway Marina Bakhtina 20-01-2017

18 roofs

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Google map

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University College of Southeast Norway Marina Bakhtina 20-01-2017 25Oslo center

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Pilestredet Park, Oslo

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Pilestredet Park, Oslo

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Pilestredet Park, Oslo

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Vegetation, plants, and soil

University College of Southeast Norway Marina Bakhtina 20-01-2017

Environmental conditions

▹ Wind▹ Sun exposure▹ Dry and wet

periods▹ Small amount

of soil

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University College of Southeast Norway Marina Bakhtina 20-01-2017

Vegetation

Vegetation which is suitable for the green roof mostly depends on soil depth and irrigation.

Construction limitation is a weight loads on the roof

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Sedum moss type of vegetation

University College of Southeast Norway Marina Bakhtina 20-01-2017

▹ Extensive green roofs with Sedum vegetation has just 4 cm of soil

▹ Saturated weight is 50 kg per sq.m (4 cm soil depth)

▹ Light soil mixed with rocks

▹ Good drainage quality

Soil

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My soil samples in soil laboratorium, Bø i Telemark

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Native Norwegian species used on Green roofs

▹ Sedum album ▹ Sedum anglicum ▹ Sedum acre▹ Sedum rupestre

University College of Southeast Norway Marina Bakhtina 20-01-2017

Black list species

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▹ Phedimus hybridus SE▹ Phedimus spurius SE

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Green roof

Red color

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Sedum album

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1 year old green roof is green

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Examples

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The biggest green roof in

Oslo27 000 sq.m

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University College of Southeast Norway Marina Bakhtina 20-01-2017

Fornebu SHoney bees

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Results and Discussion

Species richness

Fornebu, Oslo

University College of Southeast Norway Marina Bakhtina 20-01-2017

▹ is one of the leading Green Roof cities in the world

▹ more than 2 million m² of Green Roofs

Example from GermanyStuttgart

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Public access28 000 sq m

Malmo, Sweden

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Malmo, Sweden

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Scandinavian Green Roof

Institute +

Botanical garden

Picture from http://greenroof.se/

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Garden on the roof

Scandinavian Green Roof Institute

University College of Southeast Norway Marina Bakhtina 20-01-2017

Trondheim

St. Olavs Hospital

Green roofs

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University College of Southeast Norway Marina Bakhtina 20-01-2017

Trondheim

St. Olavs Hospital

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Picture from http://sjukehusbygg.no/

University College of Southeast Norway Marina Bakhtina 20-01-2017

Trondheim

▹ norgeibilder.no▹ Google maps

Find green roofs

Solsiden, Trondheim

University College of Southeast Norway Marina Bakhtina 20-01-2017

Trondheim

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Small green roof, Trondheim

University College of Southeast Norway Marina Bakhtina 20-01-2017

Trondheim

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University College of Southeast Norway Marina Bakhtina 20-01-2017

Trondheim

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Ila, Trondheim

University College of Southeast Norway Marina Bakhtina 20-01-2017

Green roofs in Trondheim

Byåsen videregående skole, Trondheim

Public access

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Plants from green roofs in Trondheim

Bassengbakken 4, 7042 Trondheim

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University College of Southeast Norway Marina Bakhtina 20-01-2017

Thank you!

More pictures from Green Roofs in Oslo at my blog

https://marinabakhtina.wordpress.com/

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