Authors / CoAuthors
Summons, N.W. | Arthur, C.
Abstract
This report, 'Pacific Climate Change Science Program: Evaluation of severe wind hazard from tropical cyclones', will be delivered to CSIRO to form a subsection of the 'Climate Change in the Pacific' report. The latter will be launched in November 2011 and will constitute one of the main deliverables for the Pacific Climate Change Science Program (PCCSP). The PCCSP is part of the Australian Government's commitment through the International Climate Change Adaptation Initiative (ICCAI) to meet high priority climate change adaptation needs in vulnerable countries in the Asia-Pacific region. This report provides an evaluation of cyclonic wind hazard for the fifteen PCCSP partner countries located in the western Pacific with the one exception of East Timor. The wind hazard is estimated for both the current climate and for the future climate under an A2 emissions scenario. The current climate wind hazard is estimated by applying GA's Tropical Cyclone Risk Model (TCRM) to the historical track record. TCRM is a statistical-parametric model of tropical cyclone behaviour, enabling users to generate synthetic records of tropical cyclones representing many thousands of years of activity. TCRM is then applied to tracks of tropical cyclone-like vortices (TCLVs) detected in downscaled global climate models to determine how the cyclonic wind hazard may change in the future. The results indicated that the wind loading design standard in this region may significantly underestimate the wind hazard for the current climate. For the future climate projections, the analysis suggests that the wind hazard may decrease for countries close to the equator and near the Australian coastline but could increase for countries greater than 20 degrees poleward from the equator.
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document
eCat Id
71788
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- Report
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- climate
- ( Theme )
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- wind
- Australian and New Zealand Standard Research Classification (ANZSRC)
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- Earth Sciences
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- Published_Internal
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2011-04-28T00:00:00
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