State-of-the-art projected climate scenarios for the Pacific Northwest based on the latest generation of global climate modeling

Event Type: 
Other Webinar
Date and Time: 
Oct 30, 2012 (All day)

This webinar is presented by the PNW Climate Impacts Research Consortium and the Northwest Climate Science Center

Date/Time: Tuesday, Oct 30th, 2012, 10AM-11AM (Pacific Time)

Presenters: Dr. John Abatzoglou, Univ. of Idaho; Drs. Phil Mote and David Rupp, Oregon Climate Change Research Institute

Overview: Climate impact assessment and adaptation strategies are fundamentally based on projected evolution of the climate system over the 21st century. State of the art global climate model experiments from the fifth phase of the Coupled Model Intercomparison Project (CMIP5) will provide the basis for climate change assessment in the coming years. A coordinated effort to integrate climate scenarios into climate impact assessment is facilitated by downscaling a subset of CMIP5 global climate models (GCMs) that reproduce historical climate in the Pacific Northwest US (PNW). The statistical downscaling method (MACA) enables the creation of high spatial resolution fields of precipitation, maximum and minimum temperature, maximum and minimum relative humidity, surface downward short-wave radiation and wind velocity at a daily frequency. In this webinar we will provide an overview of the newly available downscaled dataset. We will also give a summary of projected changes and uncertainty in climate variables for the PNW examined across numerous CMIP5 models and Representative Concentration Pathways (RCP) and discuss differences/consistencies between models and climate simulations from CMIP3 and CMIP5. The presentation will begin with an overview for a general audience, followed by a more technical assessment of the new climate scenarios.

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