1. Watershed Dynamics Bill Carlsen Penn State University

2. Authentic Inquiry Learning science “as science is practiced” –Real questions with unknown answers –Important problems (often local) –Socially constructed through collaboration, argumentation, and critical evaluation by peers

3. Poll 1

4. Object Recognition Using Airphotos “Guide to Mostly On-Line and Mostly Free U.S. Geospatial and Attribute Data” (updated URL, p. 76) –http://libinfo.uark.edu/GIS/US.asphttp://libinfo.uark.edu/GIS/US.asp ExpressView Browser Plug-in (MrSID) for.SID files –http://www.lizardtech.com/download/http://www.lizardtech.com/download/

5. Reviewing Airphotos Common formats: TIFF, SID, various GIS Metadata files provide information on type of image, scale, location, year and season, coordinates, corrections, etc.

6. Metadata Originator: USDA-FSA Aerial Photography Publication Date: 20041228 Title: NAIP 1-meter resolution mosaic of Centre County, Pennsylvania Abstract: This data set contains imagery from the National Agriculture Imagery … Format Information Content: MrSID Transfer Size: 333.747

7. Key Indicators 1.Tone - gray scale 2.Texture - tonal repetitions 3.Pattern - spatial arrangement of objects 4.Size - dimensions of object 5.Shape - conformation, configuration 6.Shadow - a clue to size and shape 7.Location – what’s nearby?

8. Object Recognition

13. Test Your Remote Sensibility 1.What are the structures at D? 2.What direction is the water flowing? 3.What famous movie scene was filmed at F?

20. Poll 2

27. Links “Guide to Mostly Free Geospatial Data” http://libinfo.uark.edu/GIS/US.asp ESRI ArcExplorer free download www.esri.com/software/arcexplorer/ Environmental Inquiry Project http://ei.cornell.edu http://ei.ed.psu.edu

28. NSTA Web Seminar Evaluation http://institute.nsta.org/survey/wdSurvey1.asp

29. Upcoming NSTA Web Seminars: Picture-Perfect Science I December 14, 2005 Picture-Perfect Science II January 11, 2006 NASA: Preparing for the Journey to Space II January 19, 2006 6:30 PM Eastern Time