Creating a location map and adding data.
You have collected a set of data on landslides in the Portland
metropolitan area and need to produce a location map and do a visual analysis of the
landslide intensity. You will find basic basemap materials in the ESRI data set, and use
this landslide file to plot the distribution and volume of
landslides resulting from the 96/97 storm event. Here is a copy of the report that accompanied the data set.
1. Download the data file.
2. Open landslides.xls in Excel.
3. Export the data as a Tab Delimited file (from the Save As dialog box).
4. Open ArcView and create a new View.
5. From the Tables section of the Project Manager, Add the file you just
created in Excel.
6. From the View menu, choose Add Event Theme, and choose which fields to
use as X and Y coordinates.
7. Add the States and Counties themes from the Esri/Esridata/US directory.
8. Create a new coverage of just Oregon counties. (what projection are you
in?)
9. Do your landslides plot in the right place? If not, why? Are there
other coordinates you could be using? (Reprojecting Themes in
Arview)
10. Use Graduated Symbols to show which landslides had the largest
volumes.
11. Create a Layout showing landslide volumes resulting from the 1996/97
storm events. Show Oregon, and then a zoomed in view of the study area.
12. Write a detailed report
of how you accomplished the above tasks. You should be able to re-create all of the steps
without relying on your memory. This is similar to lab notebook in Physics or Chemistry.
Turn in your report and include the map that you made.