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Av Ole Jakob Hegelund
Geofag 1 Ved Byåsen Vgs
      Våren 2011
 Fokus på Geologien/Vulkanologi i Yellowstone
 Klima og Værforhold
 Hydrologi: kartlegging av vanndata
 Geofarer, naturkatastrofer
 Platetektonikk: (14 Litosfæreplater)
 Vulkansk aktivitet og Jordskjelv langs plategrensene
 Geologisk tidsskala
 Nasjonalparken ligger ca. 2400 M.o.h
 Slettelandskap og Fjell fra (istid)

 Dannelse av sletter
  Presset ned av Platåbreer

 Dannelse av
«Yellowstone Grand Canyon»
 Bredemt Sjø

 Kan sammenliknes med
  Jutulhogget
 Ulike teorier
 1. Juan de Fuca vs. Nord-Amerikanske litsofæreplatene
 2. Plume som har dannet en LIP (Large Igneous
 Province)
 Tre Utbrudd (2,2 mill, 1,3 mill, 640 000)
 Geologer har kartlagt et omårde på 85km^2 (Krater)
 Yellowstone Kaldera (En eruptiv syklus)
 Kjemiske Prosesser under Berggrunnen (Bergarter)
 Kiseltuff, Kiselsinter og Kiselalge
 Flest Geotermiske områder i verden
 Først og fremst en Nasjonalpark (Turisme)
 Mye forskning (Geotermisk Energi)
 2001 US Geological Survey (Institutt)
 Inntektene går til utvikling
 av teknologi
 Temperert klimasone (Varmtempert
  middelhavsklima)
 Orografisk nedbør (Rocky-Mountains)
 Vestavindsbeltet
 Vestlandet, Norge
 Års-nedbør kan variere fra 380-2000 mm/år
 gjennomsnittstemperaturen er på ca. -4 C og varmeste
 på ca. 29 C  Varmtemperert klima
 2 største vannkildene
  - Yellowstone Lake 352 km^2
  - Yellowstone River
 Drikkevann fra Billings
 Geologer tar vannprøver i nasjonalparken
 De ser etter økt Ph-verdi
 Man kan ikke sammenlikne vanlig ferskvann med
  Geotermiske bassenger
 Svoveldioksid og Karbondioksid
 Mest fokus på jordas indre krefter
 Den blir utsatt for ytre krefter (snøskred, steinskred og
  jordskred)
 3 store utbrudd. to de siste 2.2 mill og ett 640 tusen år
 Store skader dersom Vulkanen eksploderer
 Pyroklastiske strømmer og Askesky
 Drastiske klimaendringer (lavere temp. over tid)
 Hungersnød blant flere millioner
 Vi kan ikke forhindre et vulkanutbrudd
 Evakueringsplaner
 Varsling og overvåkning:
 - Geofoner, seismografer, geologiske undersøkelser, osv.
 Kan Yellowstone ha blitt påvirket av Megaskjelvet I
 Japan?

- Det har vært økt vulkansk aktivitet I Yellowstone de
siste ukene.

 Geologer frykter at Yellowstone kan få et utbrudd!


 Geologer må få samlet sammen nødvendig data
   http://en.wikipedia.org/wiki/Juan_de_Fuca_Plate
   http://en.wikipedia.org/wiki/File:YellowstonefallJUN05.JPG
   http://en.wikipedia.org/wiki/File:Grand_canyon_of_yellowstone.JPG
   http://no.wikipedia.org/wiki/Fil:Orografisk_nedb%C3%B8r.jpg
   http://en.wikipedia.org/wiki/Greater_Yellowstone
   http://www.globalis.no/Verdenskart
   http://en.wikipedia.org/wiki/Yellowstone_Lake
   http://en.wikipedia.org/wiki/Yellowstone_River
   http://www.world66.com/northamerica/unitedstates/wyoming/yellowstone/lib/climate
   http://pubs.usgs.gov/fs/2005/3024/
   http://geology.com/usgs/yellowstone-volcano/
   http://www.storm.no/vaer/115579606/klima
   Dokumentarer  Supervolcano, Born of Fire, Yellowstone Nationalpark alt fra BBC.
   Top Documentary Films: Gratis dokumentarer om Yellowstone Nasjonalpark på nett
    http://topdocumentaryfilms.com/search/?cx=011178800675992829151%3Adicog11xg70&cof=FORID%3
    A11&ie=UTF-8&q=Yellowstone&sa=Search
   Bøker: Terra Mater lærebok, Landformer og Prosesser i Yellowstone s. 194-285 av Jan R. Sulebak
   Naturhistorisk Museum i Oslo: http://www.nhm.uio.no/
   Min Veileder i Geologi Dr. Morgan Ganerød fra NGU med PowerPointer og PDF-filer (litteratur)

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Yellowstone Nasjonalpark / Yellowstone Nationalpark

  • 1. Av Ole Jakob Hegelund Geofag 1 Ved Byåsen Vgs Våren 2011
  • 2.  Fokus på Geologien/Vulkanologi i Yellowstone  Klima og Værforhold  Hydrologi: kartlegging av vanndata  Geofarer, naturkatastrofer
  • 3.  Platetektonikk: (14 Litosfæreplater)  Vulkansk aktivitet og Jordskjelv langs plategrensene  Geologisk tidsskala
  • 4.  Nasjonalparken ligger ca. 2400 M.o.h  Slettelandskap og Fjell fra (istid)  Dannelse av sletter Presset ned av Platåbreer  Dannelse av «Yellowstone Grand Canyon» Bredemt Sjø  Kan sammenliknes med Jutulhogget  Ulike teorier
  • 5.  1. Juan de Fuca vs. Nord-Amerikanske litsofæreplatene  2. Plume som har dannet en LIP (Large Igneous Province)
  • 6.  Tre Utbrudd (2,2 mill, 1,3 mill, 640 000)  Geologer har kartlagt et omårde på 85km^2 (Krater)  Yellowstone Kaldera (En eruptiv syklus)
  • 7.  Kjemiske Prosesser under Berggrunnen (Bergarter)  Kiseltuff, Kiselsinter og Kiselalge  Flest Geotermiske områder i verden
  • 8.  Først og fremst en Nasjonalpark (Turisme)  Mye forskning (Geotermisk Energi)  2001 US Geological Survey (Institutt)  Inntektene går til utvikling av teknologi
  • 9.  Temperert klimasone (Varmtempert middelhavsklima)  Orografisk nedbør (Rocky-Mountains)  Vestavindsbeltet  Vestlandet, Norge
  • 10.  Års-nedbør kan variere fra 380-2000 mm/år  gjennomsnittstemperaturen er på ca. -4 C og varmeste på ca. 29 C  Varmtemperert klima
  • 11.  2 største vannkildene - Yellowstone Lake 352 km^2 - Yellowstone River  Drikkevann fra Billings
  • 12.  Geologer tar vannprøver i nasjonalparken  De ser etter økt Ph-verdi  Man kan ikke sammenlikne vanlig ferskvann med Geotermiske bassenger  Svoveldioksid og Karbondioksid
  • 13.  Mest fokus på jordas indre krefter  Den blir utsatt for ytre krefter (snøskred, steinskred og jordskred)
  • 14.  3 store utbrudd. to de siste 2.2 mill og ett 640 tusen år  Store skader dersom Vulkanen eksploderer  Pyroklastiske strømmer og Askesky  Drastiske klimaendringer (lavere temp. over tid)  Hungersnød blant flere millioner
  • 15.  Vi kan ikke forhindre et vulkanutbrudd  Evakueringsplaner  Varsling og overvåkning: - Geofoner, seismografer, geologiske undersøkelser, osv.
  • 16.  Kan Yellowstone ha blitt påvirket av Megaskjelvet I Japan? - Det har vært økt vulkansk aktivitet I Yellowstone de siste ukene.  Geologer frykter at Yellowstone kan få et utbrudd!  Geologer må få samlet sammen nødvendig data
  • 17. http://en.wikipedia.org/wiki/Juan_de_Fuca_Plate  http://en.wikipedia.org/wiki/File:YellowstonefallJUN05.JPG  http://en.wikipedia.org/wiki/File:Grand_canyon_of_yellowstone.JPG  http://no.wikipedia.org/wiki/Fil:Orografisk_nedb%C3%B8r.jpg  http://en.wikipedia.org/wiki/Greater_Yellowstone  http://www.globalis.no/Verdenskart  http://en.wikipedia.org/wiki/Yellowstone_Lake  http://en.wikipedia.org/wiki/Yellowstone_River  http://www.world66.com/northamerica/unitedstates/wyoming/yellowstone/lib/climate  http://pubs.usgs.gov/fs/2005/3024/  http://geology.com/usgs/yellowstone-volcano/  http://www.storm.no/vaer/115579606/klima  Dokumentarer  Supervolcano, Born of Fire, Yellowstone Nationalpark alt fra BBC.  Top Documentary Films: Gratis dokumentarer om Yellowstone Nasjonalpark på nett http://topdocumentaryfilms.com/search/?cx=011178800675992829151%3Adicog11xg70&cof=FORID%3 A11&ie=UTF-8&q=Yellowstone&sa=Search  Bøker: Terra Mater lærebok, Landformer og Prosesser i Yellowstone s. 194-285 av Jan R. Sulebak  Naturhistorisk Museum i Oslo: http://www.nhm.uio.no/  Min Veileder i Geologi Dr. Morgan Ganerød fra NGU med PowerPointer og PDF-filer (litteratur)