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      <title>2P -  bladrande, isotoper, temperaturer og kulstofkredsløbet by pj ordrupgymnasium</title>
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      <description>Tegninger (Geoviden s. 1-20) 
I skal lave skitser med udgangspunkt i pointerne herunder. Jeres færdige produkter skal I  
(Klima Indikatorer)  Isotopindholdet og temperaturer s. 12-15

2) Kulstofkredsløbet s. 15-19

Skitser sammenhængen mellem temperaturer og ilt-isoptoperne 18O og 16O.
Skitser hvordan og på hvad der specifikt indsamles data.
Skitsér hvad data viser om temperaturerne dengang.
Skitsér (og vurdér) hvordan dette data spiller sammen med andre typer fundne data for perioden - krokodille fossiler mm. (s. 9)
Vurdér - hvad nutiden betyde i forhold til forståelsen af fortiden (tjek det aktualistiske princip)


Skitser hvordan CO2 indholdet af fortidens atmosfære rekonstrueres (og hvordan sammenhængen er)
Skitser de processer (kilder og dræn) der styrer kulstofkredsløbet - herunder de pladetektoniske processer.
Skitser de lagre som kulstof lagres i (herunder også størrelsen af disse). 
Skitser forskellen på det hurtige og det langsomme kulstofkredsløb. Hvad ville det få af betydning for Jordens overfladetemperatur, hvis store mængder kulstof flyttes fra det hurtige kredsløb til det langsomme? Og fra det langsomme til det hurtige?  - Søg på nettet (dette står ikke i artiklen.
Vurdér - hvad nutiden betyder i forhold til forståelsen af fortiden (tjek det aktualistiske princip)</description>
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      <pubDate>2017-12-05 14:07:47 UTC</pubDate>
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         <pubDate>2017-12-06 07:56:35 UTC</pubDate>
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         <link>https://padlet.com/pjordrupgymnasium/ivjlddpppjth/wish/213614944</link>
         <description><![CDATA[<div>Dette er vores regression. Vi fandt ud af at temperaturen i datiden på Grønland var 12,1 grad. </div>]]></description>
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         <pubDate>2017-12-06 09:21:15 UTC</pubDate>
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         <description><![CDATA[<div><strong><sub>Her er et billede af hvordan vi gik metodisk tilværks.</sub></strong></div>]]></description>
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         <pubDate>2017-12-06 09:22:54 UTC</pubDate>
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         <pubDate>2017-12-06 09:35:49 UTC</pubDate>
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         <title>Det her er vores regression, vi kom frem til at gennemsnitstemperaturen på Grønland var 11,27 grader.</title>
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         <pubDate>2017-12-06 09:36:11 UTC</pubDate>
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         <link>https://padlet.com/pjordrupgymnasium/ivjlddpppjth/wish/213620074</link>
         <description><![CDATA[<div>Regression for Danmark, Costa Rica og Grønland</div>]]></description>
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         <pubDate>2017-12-06 09:39:47 UTC</pubDate>
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         <description><![CDATA[<div>Regression hele verden plus Grønland i kridttiden</div>]]></description>
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         <pubDate>2017-12-06 09:40:42 UTC</pubDate>
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         <pubDate>2017-12-06 09:52:31 UTC</pubDate>
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         <pubDate>2017-12-06 10:03:00 UTC</pubDate>
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         <title>bedste graf</title>
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