ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
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Joel Halvorson asked me to post this invitation on his behalf.
Bonnie VanDorn
Executive Director, ASTC
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Working with NASA, we have recently launched the Earth-Sun Museum Alliance
(ESMA). This best practices network is a dynamic forum for informal
education and NASA professionals to, collaborate, evolve, and develop,
dynamic and creative educational applications of Earth and Sun science data,
expertise, and emerging technology. We host bi-weekly telecom's open to
anyone in the IE community, and we support professional development
opportunities such as the Earth Data Visualization workshop Nov. 17-18 at
AMNH in New York. We are now starting to focus on IPY and IGLO becomes a
logical target that helps carry our focus further into the future.
In the spirit of IGLO [BV note: IGLO is the ASTC-proposed international
project on global warming in conjunction with the International Polar Year
that was announced at the recent ASTC Annual Conference in Richmond], I
would like to extent an invitation to ASTC members to participate in any of
the ESMA activities. Next up: Thursday's telecom entitled: Is Earth's
Ozone Shield Recovering? Featuring atmospheric scientist Dr. Paul Newman.
(Details below)
Thank you,
Joel Halvorson
Earth-Sun Museum Alliance PI
Educational Technology Fellow
Science Museum of Minnesota
120 West Kellogg Boulevard
St. Paul, Minnesota 55102
e-mail: [log in to unmask]
voice:651.221.2538 cell:612.770.8642 fax:651.221.4528
Web: www.smm.org
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Event: Earth-Sun Museum Alliance telecom: Is Earth's Ozone
Shield Recovering?
Date: Thursday, October 27, 2005, 3pm EDT
Format: telecon discussion, Q&A
Access: 888-323-4924 (toll-free dial-in number)
PASSCODE: Earth
Audience: Museum Alliance
Duration: 60 minutes
www site: http://informal.jpl.nasa.gov/museum/Earth/
log in: informal
password: lifelong
Is Earth's Ozone Shield Recovering?
The British Antarctic Survey Team stunned the world and the scientific
community in 1985 when it discovered and announced there was stratospheric
ozone "hole" above Antarctica. Shortly thereafter, NASA scientists using
data from the Total Ozone Mapping Spectrometer (TOMS) confirmed the
existence of the hole. In the years that followed that announcement,
satellite measurements documented that the ozone "hole" was worsening.
Eventually, scientists used aircraft-based and satellite observations to
prove that the problem was the result of human-produced chemicals.
But even as scientists raced to answer the questions of why there was so
much ozone loss so fast, and in the face of scientific uncertainty (not to
mention some opposition from lobby interests) the United States was leading
the way toward adoption of the international Montreal Protocol, which
greatly restricts and/or bans the use of ozone-destroying chemicals. From
observations to theory to data collection to smoking gun proof to
international policy, the story of the Antarctic ozone hole has all the
makings of a drama with a happy ending, right?
No so fast! Despite ongoing expectations that the ozone hole will recover,
we have yet to see evidence that a recovery is underway. Why hasn't it
recovered? What is the status of the ozone hole today? What are the
chemicals that destroy stratospheric ozone, where do they come from, and
what exactly makes them so destructive to ozone? Will the ozone shield ever
recover and, if so, when?
Please join us on Thursday, October 27, at 3 p.m. EDT when NASA Goddard
Space Flight Center atmospheric scientist Dr. Paul Newman will explore these
questions as he brings us all up to date on the state of the science in
stratospheric ozone research. Dr. Newman will also give us a sneak preview
of a fabulous new Web site that his team has created, called "OzoneWatch."
You can check it out at < http://ozonewatch.gsfc.nasa.gov/>
We hope you can join us.
Joel Halvorson - SMM
David Herring - NASA/GSFC
Anita Sohus - NASA/JPL
Maurice Henderson - NASA/GSFC
PS. Please feel free to pass this information along to other colleagues
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