Author: Anonymous

A query selects states where Smokers are less than 20% AND Illiteracy is less than 10. Compared to using OR, this query will return:

A buffer is best defined as:

What is a digital elevation model (DEM)? Describe how slope and aspect are derived from a DEM and explain what each tells you about a landscape.

Which attribute data type describes categories with no implied order, such as land use classes?

Describe the inverse distance weighting (IDW) method of spatial interpolation. Identify its two key parameters and explain how each affects the output surface.

Which statement best captures the distinction between GIS and Geographic Information Science?

A Voronoi (Thiessen) polygon assigns any unsampled location the value of:

Raster spatial resolution refers to:

A GIS analyst reduces 1,074 forest stand polygons to 119 by combining neighboring stands with the same cover type. Which generalization method is this?

Explain the difference between local, neighborhood, and global spatial analysis operations. Give one concrete example of each using either vector spatial analysis OR raster spatial analysis.