Lab #9b

More Practice with Spatial Analysis

Geog 206: Introduction to GIS

Fall 2010

Answer the following questions using both the attribute table querying and spatial analysis skills you have developed thus far. A geodatabase containing the data you will need to answer these questions has been provided for you in the Lab 9b Data link on Moodle. You may work in groups of two to answer these questions, but please make sure you each hand in your own copy of the answers.

LA_Urban



Provinces of Canada

 1.       How many counties does the State of Iowa contain? (1 pt)

·         99

2. Which county in Georgia contains the largest number of people, as of the year 2001? (1 pt)

·         Fulton

3. How many cities, with populations between 10,000 and 49,000, are located within the State of Washington? (1 pt)

·         31

4. How many miles long are all of the interstates in Los Angeles County? (1 pt)

·         4105.56

5. Simplify the UrbanBoundaries feature class so that only the urban areas of Los Angeles County are visible (Hint: you must use one of the overlay functions). Create a new feature class and save it into the LosAngeles dataset using the name LA_Urban. Include a screenshot of this new layer with your assignment. (2 pts)

6. How many acres of urban area lie within Los Angeles County, based upon your results from question #5? ( 1 pt)

·         Sum:      1441652.796875

7. How many zip codes have their centroid in Los Angeles County? (1 pt)

·         522

8. Create a layer displaying the provinces of Canada using the data provided to you in the Canada feature dataset. Save this new layer under the Canada feature dataset using the name Provinces. Include a screenshot of this new layer with your assignment. (2 pts)

9. Which Native American Indian Reservations lie within 75 miles of the City of Thurso in Canada? (1 pt)

·         Kitigan Zibi Indian Reserve

·         Akwesasne Indian Reserve 15

10. Open your final and complete geodatabase in ArcCatalog. Make sure all of the feature datasets and feature classes are viewable. Capture a screenshot of the geodatabase and include this screenshot with your assignment. (1 pt)