Subject: Climate Change and Ozone
From: Art Werner (awerner@cadmusgroup.com)
Date: Tue Apr 06 1999 - 14:00:12 MDT
We are working with the US EPA on project to develop a methodology to
evaluate adaptation needs arising from increased tropospheric ozone
resulting from climate change. In other words, what additional controls or
lifestyle changes beyond those currently envisioned for achieving the ozone
air quality standards in the US would be required due to increases in
tropospheric ozone. We have identified a number of meteorological variables
that are particularly important drivers of ozone formation: number of high
temperature days (e.g., number of days with temperatures above 35oC) in an
ozone season; episodes of consecutive high-temperature days; average
seasonal temperature by region (we are focusing on the eastern US); average
rainfall; extreme storm events; cloud cover; particulate concentration,
both rural and urban; diurnal temperature variation. There may be others.
Some of these parameters are predicted by CCM, other are not.
I am asking your assistance in identifying modeling efforts which predict
some of the parameters listed above. We are not CCM modelers; what I would
like to do is to use the outputs of predictive models as inputs to ozone
models. Has anyone both control and GCC simulations with modified versions
of CCM that do chemistry, trace aerosols, and mineral dust? Any suggestions
you could provide would be greatly appreciated.
Thank you,
Arthur S. Werner, Ph.D.
The Cadmus Group, Inc.
1920 Hwy 54, Suite 100
Durham, NC 27514
919-544-6639
919-544-9453 (FAX)
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