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  • 11
    Online Resource
    Online Resource
    Schlussbericht PalMod work package 4.3 Verbund (2019)
    [Kiel] : [Christian-Albrechts-Universität zu Kiel]
    Details Availability
    Keywords: Forschungsbericht ; Pleistozän ; Paläoklima ; Modell ; Simulation
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (4 Seiten, 69,03 KB)
    URL: https://doi.org/10.2314/KXP:169853812X
    DOI: 10.2314/KXP:169853812X
    Language: German
    Note: Förderkennzeichen BMBF 01LP1514A+B , Verbundnummer 01162089 , Autor und durchführende Institution dem Berichtsblatt der Druck-Ausgabe entnommen , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden
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  • 12
    Online Resource
    Online Resource
    A model calibration framework exemplified for the ocean biogeochemical component : Abschlussbericht PalMod-4-1 (2020)
    Kiel : [GEOMAR Helmholtz-Zentrum für Ozeanforschung Kiel]
    Details Availability
    Keywords: Forschungsbericht ; Pleistozän ; Paläoklima ; Modell ; Simulation ; Meer ; Biogeochemie
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (13 Seiten, 2,37 MB) , Diagramme
    URL: https://doi.org/10.2314/KXP:1734935677
    DOI: 10.2314/KXP:1734935677
    Language: German
    Note: Förderkennzeichen BMBF 01LP1512A+B , Verbundnummer 01162224 , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden
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  • 13
    Online Resource
    Online Resource
    PALMOD - German climate modeling initiative : final report of PalMod Phase I (2015-2019) (2019)
    Kiel : GEOMAR Helmholtz-Zentrum für Ozeanforschung Kiel
    Details Availability
    Keywords: Forschungsbericht ; Pleistozän ; Paläoklima ; Modell ; Simulation
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (105 Seiten, 15,5 MB) , Diagramme
    URL: https://doi.org/10.2314/KXP:1727423828
    DOI: 10.2314/KXP:1727423828
    Language: English
    Note: Förderkennzeichen BMBF 01LP1501A, 01LP1502A-E, 01LP1503A-D, 01LP1504A-D, 01LP1505A-G, 01LP1506A-C, 01LP1507A-C, 01LP1508A-B, 01LP1509A-D, 01LP1510A-E, 01LP1511A-D, 01LP1512A-B, 01LP1513A-D, 01LP1514A-B, 01LP1515A-D , Verbundnummer 01162210, 01162211, 01162215, 01161825, 01161826, 01161827, 01161884, 01161828, 01162527, 01161829, 01162405, 01162224, 01162225, 01162219 , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden , Sprache der Zusammenfassung: Deutsch, Englisch
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  • 14
    Online Resource
    Online Resource
    The Tropical Atlantic SST Bias in the Kiel Climate Model (2009)
    Kiel : Universitätsbibliothek Kiel
    Details Availability
    Keywords: Modell ; Hochschulschrift ; Äquatorialatlantik ; Tropen ; Klima
    Description / Table of Contents: Until today, the Tropical Atlantic Ocean is a region which is difficult to represent in numerical models. Most of the current coupled general circulation models (CGCM) show a strong warm bias in the eastern Tropical Atlantic and are unable to reproduce the observed variability especially directly along the equator. In this work various sensitivity experiments with the Kiel Climate Model (KCM) are described. A largely reduced warm bias and an improved seasonal cycle in the eastern Tropical Atlantic are simulated in one particular version of KCM. By comparing the stable and well-tested standard version with the sensitivity experiments and the modified version, mechanisms contributing to the reduction of the eastern Atlantic warm bias are identified and compared to what has been proposed in literature. The errors in the spring and early summer zonal winds associated with erroneous zonal precipitation seems to be the key mechanism, and large-scale coupled ocean-atmosphere feedbacks play an important role in reducing the warm bias. Improved winds in boreal spring cause the summer cooling in the eastern Tropical Atlantic via shoaling of the thermocline and increased upwelling, and hence reduced sea surface temperature (SST). Reduced SSTs in the summer suppress convection and favor the development of low-level cloud cover in the eastern Tropical Atlantic region. Subsurface ocean structure is shown to be improved, and potentially influences the development of the bias. The strong warm bias along the southeastern coastline is related to underestimation of low-level cloud cover and the associated overestimation of surface shortwave radiation in the same region. Therefore, in addition to the primarily wind forced response at the equator both changes in surface shortwave radiation and outgoing longwave radiation contribute significantly to reduction of the warm bias from summer to fall. The better representation of the mean annual cycle in the Tropical Atlantic also improves the variability in the Tropical Atlantic. The different steps of the Bjerknes feedback mechanism are more realistically simulated in those version of KCM that have an better mean state. The improved representation of equatorial Atlantic variability is believed to be responsible for better potential predictability. No predictability that is significantly above persistence is found when hindcasting equatorial Atlantic SST between 1971 and 2004 using different configurations of KCM.
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (VIII, 116 Seiten, 4,82 MB) , graph. Darst
    Edition: Online-Ausg.
    URL: ftp://ftp.ifm-geomar.de/downloads/Diss/ME/SWahl_Diss_2009.pdf
    URL: https://macau.uni-kiel.de/receive/diss_mods_00004353?
    URL: http://nbn-resolving.de/urn:nbn:de:gbv:8-diss-43532
    URL: http://d-nb.info/101987015X/34
    URL: http://eldiss.uni-kiel.de/macau/receive/dissertation_diss_00004353
    URN: urn:nbn:de:gbv:8-diss-43532
    DDC: 500
    Language: English
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