AGS 722
(Spatial Information Systems for Resource Management)
Assignment
No. 10
- Read
Chapter 3 of the “Using Spatial Analyst” that explains the key steps in
spatial modeling before you complete the exercise on “Finding an
alternative access road to the new school site”.
- What
is the difference between distance and cost distance grids?
- How
do you create the cost distance grid?
- Use
Spatial Analyst
Extension to create the annual rainfall surface from
monthly rainfall data recorded at the weather stations in rainfall map
layer by the following methods.
- Thiessen polygons
- Inverse
distance weighting
- Ordinary
Kriging
- Read
the section on zonal statistics in “Using Spatial Analyst”. Use Chiang Mai data set to generate the following zonal
statistics:
- Maximum,
minimum, average and standard deviation of the elevation of each zone of
soil group.
- Majority,
minority and variety of vegetation type in each soil group zone.
Describe the procedures that you
used to accomplish each task and submit the
output maps.
Discuss your results.
Due: January 27, 2005.