En prat om været
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En liten prat om væretKlima og klimaendringer de siste og neste 100 år
Hans Olav Hygen
Epost: [email protected] twitter: @hohygen
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Meteorologisk institutt
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Meteorologisk institutt
Må en smule global
oppvarming snart
forbarme seg over
østlandsområde
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Meteorologisk institutt
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Meteorologisk institutt
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Meteorologisk institutt
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Meteorologisk institutt
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Meteorologisk institutt
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Meteorologisk institutt
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Meteorologisk institutt
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Meteorologisk institutt
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Meteorologisk institutt
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Skidager på Bjørnholt i Nordmarka
Gustav Bjørbæk/Met. ist
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Meteorologisk institutt
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Meteorologisk institutt
Isdekke 18.09.2012
15 september 2012
15 september 1980
OSI-SAF
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Meteorologisk institutt
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Meteorologisk institutt110
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1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 2020
17. mai
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Meteorologisk institutt
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Meteorologisk institutt
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Meteorologisk institutt
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Meteorologisk institutt
Nigardsbreen
Indirekte klimadata
Tid for skurdonn
Skjære
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Meteorologisk institutt
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Meteorologisk institutt
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Meteorologisk institutt
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Meteorologisk instituttSvante Arrhenius (1859 – 1927)
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Meteorologisk institutt
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Meteorologisk institutt
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Meteorologisk instituttFigure 1.1
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Meteorologisk institutt
ANTH FULL
NTRLCNTL
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Meteorologisk institutt
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Meteorologisk institutt
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Meteorologisk institutt
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Meteorologisk institutt
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Meteorologisk institutt
Nedskallering
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Meteorologisk institutt
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Meteorologisk institutt
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Meteorologisk institutt
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Meteorologisk institutt
HAD-A2
HAD-B2
SMHI-A1B DMI-A1B
MPI-B2 MPI-B225
INTENSITET: årleg maksimum døgnnedbør
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Meteorologisk institutt
HAD-B2 MPI-B2
HAD-A2 SMHI-A1B DMI-A1B
MPI-
B225
FREKVENS: dagar med nedbør > 10 mm
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Meteorologisk institutt
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Meteorologisk institutt
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Meteorologisk institutt
Endret skredrisiko
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Meteorologisk institutt
Antall dager med middeltemperatur over 20 °C
1961-90 1979-2008
2021-20502071-2100
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Meteorologisk institutt
Vin i Norge?
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Meteorologisk institutt
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Meteorologisk institutt
Varmere? JA!
Mer nedbør? JA (?)
Mer intens nedbør? JA!
Mer Vind? Svært usikkert
Mindre snø? Ja,
Større flommer? JA og NEI
Tørke? Ja (?)
Økt havnivå? JA!
Klima i Norge 2100
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Meteorologisk institutt