klimaendringer pensjonist
DESCRIPTION
Foredrag holdt for Pensjonistuniversitetet i Oslo 27.02.2014TRANSCRIPT
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En liten prat om væretOm klima, klimaforskning og klimaendringer
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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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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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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
0
20
40
60
80
100
120
140
160
180
200
1890 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 2020
Skidagar 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
Endringer i utbredelse og volum
av sjøisen i Arktis
Foto: Sebastian Menze, Alfred-Wegener-Institut
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Meteorologisk institutt
110
115
120
125
130
135
140
145
1910 1930 1950 1970 1990 2010
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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 institutt
-12
-10
-8
-6
-4
-2
0
2
4
-400000 -300000 -200000 -100000 0
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Meteorologisk institutt
150
170
190
210
230
250
270
290
-12
-10
-8
-6
-4
-2
0
2
4
-400000-350000-300000-250000-200000-150000-100000 -50000 0
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Meteorologisk institutt
150
200
250
300
350
400
-11
-6
-1
4
9
14
-400000-350000-300000-250000-200000-150000-100000 -50000 0
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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 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
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
MPI-B2MPI-B2
HAD-A2HAD-A2
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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
Eksempelprojeksjon, HA2, Vekst
sesong1961-1990 2071-2100
Østlandet: 1-2 mnd. lengre i lavlandet
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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