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16th NSO/Sacramento Peak International Summer Workshop (1Dec94) (from NSO, NOAO Newsletter No. 40, 1 December 1994) Solar Drivers of Interplanetary and Terrestrial Disturbances There is a growing awareness by national and international agencies of the need to understand solar-terrestrial interactions. This view is driven by a variety of national and international, strategic and economic needs. These include: enhanced use of satellites for communications and monitoring of terrestrial resources; increased human activities outside of the Earth's protective atmosphere; concern about apparent deterioration of the earth's eco-system, leading to a need to separate impacts of human activity from solar influences on atmospheric chemistry, weather, and global change; vulnerability of man-made systems such as power grids and pipelines at high northern and southern latitudes to solar induced geomagnetic activity. This picture is reflected in the current interest to establish a National Space Weather Center. With this perspective, it seems appropriate that the next NSO/Sac Peak workshop revisit Sacramento Peak's origins--the need to understand and predict solar activity that affects the Earth's environment. The 1995 Workshop will concentrate on solar drivers of terrestrial effects. We wish to address such issues as: What are the major solar drivers of terrestrial effects? How do solar drivers interface with and how are they propagated by the interplanetary medium? How do they finally interface with the Earth's magnetosphere and atmosphere? What are the future experimental/observational requirements that will clarify the solar and terrestrial connectivity? The Workshop will have sessions devoted to solar drivers, the coronal- interplanetary interface, interplanetary propagation, the interplanetary- terrestrial interface and to correlating solar drivers with terrestrial effects. Each session will emphasize its connectivity to the other sessions and the adjoining links in the solar-terrestrial chain. Each session will have a keynote review talk, a few contributed talks and posters, and ample time for discussions. Less than half the available time will be devoted to scheduled talks. Emphasis will be on discussions to highlight what we currently know about solar-terrestrial connectivity and what we need to know to improve space weather prediction. How can solar inputs be used? What observations and models are needed to make solar data more useful to interplanetary and terrestrial models? A major goal of the workshop is to produce proceedings that review the current state-of-the-art in using solar outputs in space weather global impact predictions that would outline a road map for future progress. We expect to hold the workshop in the early August 1995 to mid-October 1995 time frame. We solicit your comments on our agenda, dates, and format before finalizing our next major announcement. Based on the number and nature of your responses, we will produce a well-focused agenda that should appeal to both theoreticians and observers. Should you be interested in participating, and/or wish to suggest names of keynote speakers and experts in any of the areas mentioned, please send an e-mail message and we will be happy to add your name to the workshop mailing list. We ask for your quick response to help us take the workshop planning beyond this initial step. Your comments on the following issues will be greatly useful: 1) I would change/expand/reduce the subjects to be covered. How? Which subjects should be added/eliminated/modified to make a better workshop? 2) I am interested/not interested in attending Workshop 16. 3) I would be particularly interested in talking/learning about the following subjects... 4) I prefer the following dates for the workshop because... 5) I believe the workshop format should emphasize invited/contributed/long/short/oral/ poster papers, working sessions, debates, discussions ... 6) Colleagues (with e-mail addresses, if available) at my/other institution/department who may be interested in this workshop are... It is our intention to maintain a workshop environment for this meeting with participation only by active workers in the field, and by restricting attendance to 60 people. Please send your responses by e-mail to skeil@sunspot.noao.edu or bala@sunspot.noao.edu, or by fax at (505) 434-7029, or by phone at (505) 434-7000, or by regular mail to National Solar Observatory, Sunspot, NM 88349, USA. Please share this information with interested colleagues and encourage them to send their comments too. Replies are requested by 1 February at the latest. Jacques Beckers, Steve Keil
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