7#,]CG@ @ @7@7@7@E@@@@ @ @@@x@WTAI Ai/B*B/@7BAmBBB4BBBBBB TEACHER'S RESOURCE GUIDE EOS SAR VIDEO: JPL " INSIGHT TO GLOBAL CHANGE" LENGTH: 7:30 Minutes SUBJECT AREAS: Global change, global warming, radar studies. QUESTIONS RAISED DURING THE VIDEO. 1. Why is global warming an important issue? 2. What will the impact be to the earth? 3. How do we monitor global warming? 4. Is global warming occuring? 5. How fast is it occuring? 6. What will it effect? 7. How do man's actions today affect our future in relation to global warming. VIDEO SUMMARY A. Main concerns of global warming. 1. Affect on natural resources. 2. Affect on food and water supply. 3. Possibility of a drought every 10 years. 4. Increase of carbon dioxide in the atmosphere. 5. Green house affect. B. How global warming is being studied. 1. NASA Mission to Planet Earth Program. 2. Synthetic Aperature Radar-SAR C. Areas now being studied. 1. Sahara Desert- Dry riverbeds were observed . 2. Rainforest- Radar was able to penatrate through different levels of the thick biomass to observe changes. 3. Polar regions- Sea ice is being observed because of its importance in controling temperature. D. The future. 1. NASA Mission to Planet Earth will continue to use radar to study global changes. 2. 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