Present and Future - WordPress.com · snø > 1 cm RR > 1 mm T > 0 °C 19 Foto: Colourbox ....

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Present and Future Snow Loads in Norway Helga Therese Tilley Tajet Hans Olav Hygen Tore Kvande Photo: Tom Helgesen Avdelingsseminar 9. oktober 2013

Transcript of Present and Future - WordPress.com · snø > 1 cm RR > 1 mm T > 0 °C 19 Foto: Colourbox ....

Page 1: Present and Future - WordPress.com · snø > 1 cm RR > 1 mm T > 0 °C 19 Foto: Colourbox . Norwegian Meteorological Institute Wet snowload 20 1961-1990 1981-2010 . Future of wet snow

Present and Future

Snow Loads in Norway

Helga Therese Tilley Tajet

Hans Olav Hygen

Tore Kvande

Photo: Tom Helgesen Avdelingsseminar 9. oktober 2013

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Norwegian Meteorological Institute

Photo: Tore Kvande

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Norwegian Meteorological Institute

From: Meløysund, V.; Lisø, K.R.; Siem, J. and Apeland, K. Increased snow Loads and Wind Actions on

Existing Buildings: Reliability of the Norwegian Building Stock

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Norwegian Meteorological Institute

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Skiing days at Bjørnholt near Oslo

Gustav Bjørbæk/Met. ist 02.06.2014

Page 5: Present and Future - WordPress.com · snø > 1 cm RR > 1 mm T > 0 °C 19 Foto: Colourbox . Norwegian Meteorological Institute Wet snowload 20 1961-1990 1981-2010 . Future of wet snow

Methods

· Daily snow water equivalent (SWE) grids

· Max SWE every gridcell every hydrological year

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Methods

· Daily snow water equivalent (SWE) grids

· Max SWE every gridcell every hydrological year

· Calculate returnperiods with Gumble (50 year)

· Munnicipality centres

· Nice and colourfull maps

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Norwegian Meteorological Institute 02.06.2014

Page 12: Present and Future - WordPress.com · snø > 1 cm RR > 1 mm T > 0 °C 19 Foto: Colourbox . Norwegian Meteorological Institute Wet snowload 20 1961-1990 1981-2010 . Future of wet snow

Norwegian Meteorological Institute 02.06.2014

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Norwegian Meteorological Institute

Downscaling

02.06.2014

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Norwegian Meteorological Institute 02.06.2014

Page 15: Present and Future - WordPress.com · snø > 1 cm RR > 1 mm T > 0 °C 19 Foto: Colourbox . Norwegian Meteorological Institute Wet snowload 20 1961-1990 1981-2010 . Future of wet snow

Future snowloads 2071-2100

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HADA2 HADB2 MPIB2

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Ending sammenliknet med 1961-1990

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HADA2 HADB2 MPIB2 1981-2010

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Recomended changes

Page 18: Present and Future - WordPress.com · snø > 1 cm RR > 1 mm T > 0 °C 19 Foto: Colourbox . Norwegian Meteorological Institute Wet snowload 20 1961-1990 1981-2010 . Future of wet snow

Utskifting av

bakgrunnsbilde:

- Høyreklikk på

lysbildet og velg

«Formater

bakgrunn»

- Under «Fyll», velg

«Bilde eller tekstur»

og deretter «Fil…»

- Velg ønsket

bakgrunnsbilde og

klikk «Åpne»

- Avslutt med å velge

«Lukk»

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Foto: Colourbox

Page 19: Present and Future - WordPress.com · snø > 1 cm RR > 1 mm T > 0 °C 19 Foto: Colourbox . Norwegian Meteorological Institute Wet snowload 20 1961-1990 1981-2010 . Future of wet snow

Utskifting av

bakgrunnsbilde:

- Høyreklikk på

lysbildet og velg

«Formater

bakgrunn»

- Under «Fyll», velg

«Bilde eller tekstur»

og deretter «Fil…»

- Velg ønsket

bakgrunnsbilde og

klikk «Åpne»

- Avslutt med å velge

«Lukk»

snø > 1 cm

RR > 1 mm

T > 0 °C

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Foto: Colourbox

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Norwegian Meteorological Institute

Wet snowload

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1981-2010 1961-1990

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Future of wet snow

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HADA2 HADB2 MPIB2