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
CountryUnited States
CityCincinnati, OH
Period13/5/1913/5/23

ASJC Scopus subject areas

  • Water Science and Technology

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