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This final report summarizes the project’s major accomplishments in research, training and product development. We have accomplished our primary goals of this project. With our research we contribute significant new information to the monitoring and assessment of ongoing climatic changes in Hawai‘i. Over the last decades the general trends in the wet season rainfall was negative and given the modeled climate scenarios from CMIP3 and CMIP5, it is very likely these trends are going to continue in the 21st century. In this research project, we improved the spatial information content of our statistical downscaling method through the introduction of the Rainfall Atlas of Hawai‘i station data sets and the use of improved...
Publication titled “​Statistical downscaling of rainfall changes in Hawai‘i based on the CMIP5 global model projections”
Future projections of temperature change scenarios Downscaling of Temperature Changes for the Hawaiian Islands using CMIP5 Model Scenarios (delta-t)The goal of this downscaling project was to develop an ensemble of future temperature change maps for the main Hawaiian Islands. At the time of this study, we did not have a sufficient number of station-based temperature data to achieve a good representation of the spatial structure of observed temperature variability and trends. Thus it was difficult apply traditional statistical downscaling methods for the purpose of filling in detailed spatial information for future temperature change scenarios. Instead of using the observation-based statistical downscaling this...
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To anticipate how weather is likely to change as a result of increasing concentrations of greenhouse gases (such as carbon dioxide) in the atmosphere, geophysical and meteorological scientists examined the results of climate models on the fine scale climate patterns of Hawai’i to understand what future climate will look like. Researchers analyzed the relationship of past rainfall with global processes in order to predict future rainfall patterns. They found that the decades-long decrease in rainfall seen in arid and semiarid regions of Hawai‘i during the rainy season (November-April) is likely to continue. The model results show that all of the Hawaiian Islands get drier overall in the 21st century. Of all the islands,...
Publication titled “Projection of changes in the frequency of heavy rain events over Hawaii based on leading Pacific climate modes”
    map background search result map search result map Climate Change Impacts on Critical Ecosystems in Hawai‘i and US Pacific Islands Territories Climate Change Impacts on Critical Ecosystems in Hawai‘i and US Pacific Islands Territories