How realistic are the GCM climate projections in simulating the recent past over Northern California?

S. Jang, M. L. Kavvas, N. Ohara, S. Kure, K. Ishida, G. B. Matanga, K. E. Nelson

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    In this study, the precipitation was dynamically downscaled from two GCM outputs (CCSM3 and ECHAM5) to a finer grid scale (9 km) at hourly intervals and then was spatially evaluated against observations (PRISM precipitation) over the Northern California region. Six precipitation projections (A1B1, A2, B1, A1FI, Ensemble1, and Ensemble2) were used for this study. In general, the case of Ensemble2 shows the most realistic precipitation simulations against PRISM precipitation based on the comparisons of recent 11-year average precipitation fields. However, it is important to note that the case of A1FI also shows realistic trends in mountainous watersheds. This means that precipitation under the A1FI scenario is also important for future climate change impact studies.

    Original languageEnglish
    Title of host publicationWorld Environmental and Water Resources Congress 2013
    Subtitle of host publicationShowcasing the Future - Proceedings of the 2013 Congress
    PublisherAmerican Society of Civil Engineers (ASCE)
    Pages1164-1167
    Number of pages4
    ISBN (Print)9780784412947
    DOIs
    Publication statusPublished - 2013
    EventWorld Environmental and Water Resources Congress 2013: Showcasing the Future - Cincinnati, OH, United States
    Duration: 2013 May 192013 May 23

    Publication series

    NameWorld Environmental and Water Resources Congress 2013: Showcasing the Future - Proceedings of the 2013 Congress

    Other

    OtherWorld Environmental and Water Resources Congress 2013: Showcasing the Future
    Country/TerritoryUnited States
    CityCincinnati, OH
    Period13/5/1913/5/23

    ASJC Scopus subject areas

    • Water Science and Technology

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