Zhang, Chunxi and Yuqing, Wang and Kevin, Hamilton and Lauer, Axel (2015) Dynamical Downscaling of Climate Change over the Hawaiian Islands. 2015 AGU Fall Meeting, 14.-18. Dez. 2015, San Francisco, USA.
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Abstract
The pseudo-global-warming (PGW) method was applied to the Hawaii Regional Climate Model (HRCM) to dynamically downscale the projected climate in the late 21st century over the Hawaiian Islands. The initial and boundary conditions were adopted from MERRA reanalysis and NOAA SST data for the present-day simulations. The global warming increments constructed from the CMIP3 multi-model ensemble mean were added to the reanalysis and SST data to perform the future climate simulations. We found that the Hawaiian Islands are vulnerable to global warming effects and the changes are diverse due to the varied topography. The windward side will have more clouds and receive more rainfall. The increase of the moisture in the boundary layer makes the major contribution. On the contrary, the leeward side will have less clouds and rainfall. The clouds and rain can slightly slow down the warming trend over the windward side. The temperature increases almost linearly with the terrain height. Cloud base and top heights will slightly decline in response to the slightly lower trade wind inversion base height, while the trade wind occurrence frequency will increase by about 8% in the future. More extreme rainfall events will occur in the warming climate over the Hawaiian Islands. And the snow cover on the top of Mauna Kea and Mauna Loa will nearly disappear in the future winter.
Item URL in elib: | https://elib.dlr.de/102046/ | |||||||||||||||
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Document Type: | Conference or Workshop Item (Poster) | |||||||||||||||
Title: | Dynamical Downscaling of Climate Change over the Hawaiian Islands | |||||||||||||||
Authors: |
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Date: | 17 December 2015 | |||||||||||||||
Refereed publication: | No | |||||||||||||||
Open Access: | No | |||||||||||||||
Gold Open Access: | No | |||||||||||||||
In SCOPUS: | No | |||||||||||||||
In ISI Web of Science: | No | |||||||||||||||
Status: | Published | |||||||||||||||
Keywords: | high-resolution climate modeling | |||||||||||||||
Event Title: | 2015 AGU Fall Meeting | |||||||||||||||
Event Location: | San Francisco, USA | |||||||||||||||
Event Type: | international Conference | |||||||||||||||
Event Dates: | 14.-18. Dez. 2015 | |||||||||||||||
Organizer: | American Geophysical Union | |||||||||||||||
HGF - Research field: | Aeronautics, Space and Transport | |||||||||||||||
HGF - Program: | Space | |||||||||||||||
HGF - Program Themes: | Earth Observation | |||||||||||||||
DLR - Research area: | Raumfahrt | |||||||||||||||
DLR - Program: | R EO - Earth Observation | |||||||||||||||
DLR - Research theme (Project): | R - Atmospheric and climate research | |||||||||||||||
Location: | Oberpfaffenhofen | |||||||||||||||
Institutes and Institutions: | Institute of Atmospheric Physics > Earth System Modelling | |||||||||||||||
Deposited By: | Lauer, Axel | |||||||||||||||
Deposited On: | 15 Jan 2016 17:24 | |||||||||||||||
Last Modified: | 10 May 2016 23:41 |
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