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Oliver Timm

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Projections of Future Coral Reef Communities in DOI-Managed Coastal Areas in the Hawaiian Islands
The conditions of coral reefs in the Hawaiian Islands are predicted to decline significantly from climate change over the next 100 years. To better prepare for the impacts of climate change on Hawaiian reefs, the research team uses a system of models to simulate ocean waves and circulation, rainfall and storm run-off, and coral reef community dynamics through the year 2100. These models will identify reef areas that are either vulnerable or resilient to the many stressors that the future may hold for reefs. The team’s hope is that this work can identify areas that might benefit from management actions to minimize local stressors such as land-based pollution. Through a collaborative partnership with state and federal...
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Making Regional Climate Model Outputs for Hawaiʻi More Accessible to a Diverse User Community
The Hawaiian Islands are both biologically and ecologically diverse. To better manage and understand this diverse landscape, detailed, reliable projections of future changes in climate are needed by Hawaiʻi resource managers, such as land managers, conservation organizations, and decision makers. Global climate models (or “general circulation models”) produce projections at regional or global scales, however, they are of limited value for managers of small island resources. Currently, large scale projections are commonly “downscaled” to project future climate variations and conditions at the local scale. However, dynamical downscaling models produce huge output datasets that are often difficult to access and use...
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